Mercurial > hg
annotate mercurial/smartset.py @ 31650:23391acfc421
py3: fix manifestdict.fastdelta() to be compatible with memoryview
This doesn't look nice, but a straightforward way to support Python 3.
bytes(m[start:end]) is needed because a memoryview doesn't support ordering
operations. On Python 2, m[start:end] returns a bytes object even if m is
a buffer, so calling bytes() should involve no additional copy.
I'm tired of trying cleaner alternatives, including:
a. extend memoryview to be compatible with buffer type
=> memoryview is not an acceptable base type
b. wrap memoryview by buffer-like class
=> zlib complains it isn't bytes-like
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 26 Mar 2017 19:06:48 +0900 |
parents | 413b44003462 |
children | 2cfdf5241096 |
rev | line source |
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1 # smartset.py - data structure for revision set |
11275 | 2 # |
3 # Copyright 2010 Matt Mackall <mpm@selenic.com> | |
4 # | |
5 # This software may be used and distributed according to the terms of the | |
6 # GNU General Public License version 2 or any later version. | |
7 | |
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8 from __future__ import absolute_import |
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9 |
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10 from . import ( |
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11 util, |
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12 ) |
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14 def _formatsetrepr(r): |
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15 """Format an optional printable representation of a set |
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16 |
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17 ======== ================================= |
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18 type(r) example |
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19 ======== ================================= |
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20 tuple ('<not %r>', other) |
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21 str '<branch closed>' |
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22 callable lambda: '<branch %r>' % sorted(b) |
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23 object other |
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24 ======== ================================= |
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25 """ |
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26 if r is None: |
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27 return '' |
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28 elif isinstance(r, tuple): |
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29 return r[0] % r[1:] |
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30 elif isinstance(r, str): |
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31 return r |
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32 elif callable(r): |
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33 return r() |
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34 else: |
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35 return repr(r) |
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36 |
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37 class abstractsmartset(object): |
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38 |
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39 def __nonzero__(self): |
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40 """True if the smartset is not empty""" |
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41 raise NotImplementedError() |
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42 |
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43 __bool__ = __nonzero__ |
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44 |
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45 def __contains__(self, rev): |
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46 """provide fast membership testing""" |
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47 raise NotImplementedError() |
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48 |
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49 def __iter__(self): |
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50 """iterate the set in the order it is supposed to be iterated""" |
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51 raise NotImplementedError() |
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52 |
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53 # Attributes containing a function to perform a fast iteration in a given |
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54 # direction. A smartset can have none, one, or both defined. |
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55 # |
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56 # Default value is None instead of a function returning None to avoid |
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57 # initializing an iterator just for testing if a fast method exists. |
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58 fastasc = None |
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59 fastdesc = None |
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60 |
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61 def isascending(self): |
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62 """True if the set will iterate in ascending order""" |
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63 raise NotImplementedError() |
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64 |
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65 def isdescending(self): |
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66 """True if the set will iterate in descending order""" |
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67 raise NotImplementedError() |
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68 |
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69 def istopo(self): |
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70 """True if the set will iterate in topographical order""" |
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71 raise NotImplementedError() |
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72 |
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73 def min(self): |
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74 """return the minimum element in the set""" |
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75 if self.fastasc is None: |
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76 v = min(self) |
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77 else: |
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78 for v in self.fastasc(): |
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79 break |
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80 else: |
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81 raise ValueError('arg is an empty sequence') |
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82 self.min = lambda: v |
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83 return v |
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84 |
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85 def max(self): |
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86 """return the maximum element in the set""" |
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87 if self.fastdesc is None: |
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88 return max(self) |
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89 else: |
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90 for v in self.fastdesc(): |
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91 break |
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92 else: |
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93 raise ValueError('arg is an empty sequence') |
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94 self.max = lambda: v |
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95 return v |
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96 |
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97 def first(self): |
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98 """return the first element in the set (user iteration perspective) |
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99 |
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100 Return None if the set is empty""" |
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101 raise NotImplementedError() |
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102 |
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103 def last(self): |
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104 """return the last element in the set (user iteration perspective) |
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105 |
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106 Return None if the set is empty""" |
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107 raise NotImplementedError() |
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108 |
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109 def __len__(self): |
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110 """return the length of the smartsets |
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111 |
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112 This can be expensive on smartset that could be lazy otherwise.""" |
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113 raise NotImplementedError() |
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114 |
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115 def reverse(self): |
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116 """reverse the expected iteration order""" |
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117 raise NotImplementedError() |
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118 |
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119 def sort(self, reverse=True): |
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120 """get the set to iterate in an ascending or descending order""" |
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121 raise NotImplementedError() |
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122 |
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123 def __and__(self, other): |
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124 """Returns a new object with the intersection of the two collections. |
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125 |
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126 This is part of the mandatory API for smartset.""" |
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127 if isinstance(other, fullreposet): |
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128 return self |
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129 return self.filter(other.__contains__, condrepr=other, cache=False) |
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130 |
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131 def __add__(self, other): |
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132 """Returns a new object with the union of the two collections. |
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133 |
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134 This is part of the mandatory API for smartset.""" |
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135 return addset(self, other) |
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136 |
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137 def __sub__(self, other): |
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138 """Returns a new object with the substraction of the two collections. |
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139 |
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140 This is part of the mandatory API for smartset.""" |
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141 c = other.__contains__ |
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142 return self.filter(lambda r: not c(r), condrepr=('<not %r>', other), |
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143 cache=False) |
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144 |
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145 def filter(self, condition, condrepr=None, cache=True): |
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146 """Returns this smartset filtered by condition as a new smartset. |
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147 |
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148 `condition` is a callable which takes a revision number and returns a |
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149 boolean. Optional `condrepr` provides a printable representation of |
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150 the given `condition`. |
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151 |
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152 This is part of the mandatory API for smartset.""" |
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153 # builtin cannot be cached. but do not needs to |
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154 if cache and util.safehasattr(condition, 'func_code'): |
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155 condition = util.cachefunc(condition) |
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156 return filteredset(self, condition, condrepr) |
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157 |
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158 class baseset(abstractsmartset): |
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159 """Basic data structure that represents a revset and contains the basic |
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160 operation that it should be able to perform. |
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161 |
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162 Every method in this class should be implemented by any smartset class. |
31019 | 163 |
164 This class could be constructed by an (unordered) set, or an (ordered) | |
165 list-like object. If a set is provided, it'll be sorted lazily. | |
166 | |
167 >>> x = [4, 0, 7, 6] | |
168 >>> y = [5, 6, 7, 3] | |
169 | |
170 Construct by a set: | |
171 >>> xs = baseset(set(x)) | |
172 >>> ys = baseset(set(y)) | |
173 >>> [list(i) for i in [xs + ys, xs & ys, xs - ys]] | |
174 [[0, 4, 6, 7, 3, 5], [6, 7], [0, 4]] | |
175 >>> [type(i).__name__ for i in [xs + ys, xs & ys, xs - ys]] | |
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176 ['addset', 'baseset', 'baseset'] |
31019 | 177 |
178 Construct by a list-like: | |
179 >>> xs = baseset(x) | |
180 >>> ys = baseset(i for i in y) | |
181 >>> [list(i) for i in [xs + ys, xs & ys, xs - ys]] | |
182 [[4, 0, 7, 6, 5, 3], [7, 6], [4, 0]] | |
183 >>> [type(i).__name__ for i in [xs + ys, xs & ys, xs - ys]] | |
184 ['addset', 'filteredset', 'filteredset'] | |
185 | |
186 Populate "_set" fields in the lists so set optimization may be used: | |
187 >>> [1 in xs, 3 in ys] | |
188 [False, True] | |
189 | |
190 Without sort(), results won't be changed: | |
191 >>> [list(i) for i in [xs + ys, xs & ys, xs - ys]] | |
192 [[4, 0, 7, 6, 5, 3], [7, 6], [4, 0]] | |
193 >>> [type(i).__name__ for i in [xs + ys, xs & ys, xs - ys]] | |
194 ['addset', 'filteredset', 'filteredset'] | |
195 | |
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196 With sort(), set optimization could be used: |
31019 | 197 >>> xs.sort(reverse=True) |
198 >>> [list(i) for i in [xs + ys, xs & ys, xs - ys]] | |
199 [[7, 6, 4, 0, 5, 3], [7, 6], [4, 0]] | |
200 >>> [type(i).__name__ for i in [xs + ys, xs & ys, xs - ys]] | |
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201 ['addset', 'baseset', 'baseset'] |
31019 | 202 |
203 >>> ys.sort() | |
204 >>> [list(i) for i in [xs + ys, xs & ys, xs - ys]] | |
205 [[7, 6, 4, 0, 3, 5], [7, 6], [4, 0]] | |
206 >>> [type(i).__name__ for i in [xs + ys, xs & ys, xs - ys]] | |
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207 ['addset', 'baseset', 'baseset'] |
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208 |
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209 istopo is preserved across set operations |
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210 >>> xs = baseset(set(x), istopo=True) |
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211 >>> rs = xs & ys |
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212 >>> type(rs).__name__ |
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213 'baseset' |
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214 >>> rs._istopo |
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215 True |
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216 """ |
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217 def __init__(self, data=(), datarepr=None, istopo=False): |
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218 """ |
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219 datarepr: a tuple of (format, obj, ...), a function or an object that |
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220 provides a printable representation of the given data. |
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221 """ |
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222 self._ascending = None |
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223 self._istopo = istopo |
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224 if isinstance(data, set): |
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225 # converting set to list has a cost, do it lazily |
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226 self._set = data |
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227 # set has no order we pick one for stability purpose |
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228 self._ascending = True |
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229 else: |
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230 if not isinstance(data, list): |
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231 data = list(data) |
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232 self._list = data |
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233 self._datarepr = datarepr |
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234 |
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235 @util.propertycache |
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236 def _set(self): |
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237 return set(self._list) |
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238 |
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239 @util.propertycache |
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240 def _asclist(self): |
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241 asclist = self._list[:] |
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242 asclist.sort() |
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243 return asclist |
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244 |
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245 @util.propertycache |
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246 def _list(self): |
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247 # _list is only lazily constructed if we have _set |
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248 assert '_set' in self.__dict__ |
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249 return list(self._set) |
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250 |
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251 def __iter__(self): |
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252 if self._ascending is None: |
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253 return iter(self._list) |
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254 elif self._ascending: |
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255 return iter(self._asclist) |
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256 else: |
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257 return reversed(self._asclist) |
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258 |
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259 def fastasc(self): |
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260 return iter(self._asclist) |
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261 |
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262 def fastdesc(self): |
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263 return reversed(self._asclist) |
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264 |
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265 @util.propertycache |
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266 def __contains__(self): |
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267 return self._set.__contains__ |
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268 |
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269 def __nonzero__(self): |
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270 return bool(len(self)) |
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271 |
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272 __bool__ = __nonzero__ |
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273 |
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274 def sort(self, reverse=False): |
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275 self._ascending = not bool(reverse) |
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276 self._istopo = False |
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277 |
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278 def reverse(self): |
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279 if self._ascending is None: |
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280 self._list.reverse() |
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281 else: |
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282 self._ascending = not self._ascending |
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283 self._istopo = False |
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284 |
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285 def __len__(self): |
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286 if '_list' in self.__dict__: |
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287 return len(self._list) |
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288 else: |
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289 return len(self._set) |
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290 |
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291 def isascending(self): |
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292 """Returns True if the collection is ascending order, False if not. |
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293 |
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294 This is part of the mandatory API for smartset.""" |
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295 if len(self) <= 1: |
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296 return True |
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297 return self._ascending is not None and self._ascending |
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298 |
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299 def isdescending(self): |
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300 """Returns True if the collection is descending order, False if not. |
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301 |
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302 This is part of the mandatory API for smartset.""" |
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303 if len(self) <= 1: |
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304 return True |
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305 return self._ascending is not None and not self._ascending |
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306 |
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307 def istopo(self): |
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308 """Is the collection is in topographical order or not. |
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309 |
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310 This is part of the mandatory API for smartset.""" |
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311 if len(self) <= 1: |
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312 return True |
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313 return self._istopo |
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314 |
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315 def first(self): |
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316 if self: |
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317 if self._ascending is None: |
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318 return self._list[0] |
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319 elif self._ascending: |
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320 return self._asclist[0] |
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321 else: |
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322 return self._asclist[-1] |
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323 return None |
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324 |
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325 def last(self): |
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326 if self: |
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327 if self._ascending is None: |
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328 return self._list[-1] |
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329 elif self._ascending: |
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330 return self._asclist[-1] |
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331 else: |
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332 return self._asclist[0] |
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333 return None |
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334 |
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335 def _fastsetop(self, other, op): |
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336 # try to use native set operations as fast paths |
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337 if (type(other) is baseset and '_set' in other.__dict__ and '_set' in |
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338 self.__dict__ and self._ascending is not None): |
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339 s = baseset(data=getattr(self._set, op)(other._set), |
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340 istopo=self._istopo) |
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341 s._ascending = self._ascending |
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342 else: |
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343 s = getattr(super(baseset, self), op)(other) |
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344 return s |
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345 |
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346 def __and__(self, other): |
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347 return self._fastsetop(other, '__and__') |
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348 |
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349 def __sub__(self, other): |
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350 return self._fastsetop(other, '__sub__') |
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351 |
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352 def __repr__(self): |
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353 d = {None: '', False: '-', True: '+'}[self._ascending] |
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354 s = _formatsetrepr(self._datarepr) |
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355 if not s: |
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356 l = self._list |
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357 # if _list has been built from a set, it might have a different |
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358 # order from one python implementation to another. |
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359 # We fallback to the sorted version for a stable output. |
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360 if self._ascending is not None: |
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361 l = self._asclist |
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362 s = repr(l) |
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363 return '<%s%s %s>' % (type(self).__name__, d, s) |
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364 |
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365 class filteredset(abstractsmartset): |
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366 """Duck type for baseset class which iterates lazily over the revisions in |
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367 the subset and contains a function which tests for membership in the |
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368 revset |
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369 """ |
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370 def __init__(self, subset, condition=lambda x: True, condrepr=None): |
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371 """ |
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372 condition: a function that decide whether a revision in the subset |
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373 belongs to the revset or not. |
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374 condrepr: a tuple of (format, obj, ...), a function or an object that |
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375 provides a printable representation of the given condition. |
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376 """ |
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377 self._subset = subset |
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378 self._condition = condition |
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379 self._condrepr = condrepr |
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380 |
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381 def __contains__(self, x): |
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382 return x in self._subset and self._condition(x) |
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383 |
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384 def __iter__(self): |
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385 return self._iterfilter(self._subset) |
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386 |
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387 def _iterfilter(self, it): |
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388 cond = self._condition |
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389 for x in it: |
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390 if cond(x): |
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391 yield x |
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392 |
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393 @property |
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394 def fastasc(self): |
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395 it = self._subset.fastasc |
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396 if it is None: |
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397 return None |
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398 return lambda: self._iterfilter(it()) |
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399 |
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400 @property |
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401 def fastdesc(self): |
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402 it = self._subset.fastdesc |
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403 if it is None: |
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404 return None |
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405 return lambda: self._iterfilter(it()) |
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406 |
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407 def __nonzero__(self): |
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408 fast = None |
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409 candidates = [self.fastasc if self.isascending() else None, |
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410 self.fastdesc if self.isdescending() else None, |
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411 self.fastasc, |
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412 self.fastdesc] |
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413 for candidate in candidates: |
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414 if candidate is not None: |
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415 fast = candidate |
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416 break |
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417 |
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418 if fast is not None: |
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419 it = fast() |
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420 else: |
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421 it = self |
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422 |
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423 for r in it: |
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424 return True |
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425 return False |
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426 |
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427 __bool__ = __nonzero__ |
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428 |
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429 def __len__(self): |
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430 # Basic implementation to be changed in future patches. |
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431 # until this gets improved, we use generator expression |
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432 # here, since list comprehensions are free to call __len__ again |
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433 # causing infinite recursion |
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434 l = baseset(r for r in self) |
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435 return len(l) |
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436 |
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437 def sort(self, reverse=False): |
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438 self._subset.sort(reverse=reverse) |
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439 |
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440 def reverse(self): |
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441 self._subset.reverse() |
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442 |
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443 def isascending(self): |
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444 return self._subset.isascending() |
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445 |
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446 def isdescending(self): |
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447 return self._subset.isdescending() |
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448 |
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449 def istopo(self): |
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450 return self._subset.istopo() |
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451 |
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452 def first(self): |
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453 for x in self: |
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454 return x |
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455 return None |
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456 |
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457 def last(self): |
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458 it = None |
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459 if self.isascending(): |
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460 it = self.fastdesc |
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461 elif self.isdescending(): |
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462 it = self.fastasc |
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463 if it is not None: |
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464 for x in it(): |
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465 return x |
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466 return None #empty case |
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467 else: |
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468 x = None |
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469 for x in self: |
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470 pass |
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471 return x |
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472 |
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473 def __repr__(self): |
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474 xs = [repr(self._subset)] |
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475 s = _formatsetrepr(self._condrepr) |
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476 if s: |
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477 xs.append(s) |
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478 return '<%s %s>' % (type(self).__name__, ', '.join(xs)) |
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479 |
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480 def _iterordered(ascending, iter1, iter2): |
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481 """produce an ordered iteration from two iterators with the same order |
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482 |
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483 The ascending is used to indicated the iteration direction. |
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484 """ |
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485 choice = max |
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486 if ascending: |
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487 choice = min |
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488 |
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489 val1 = None |
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490 val2 = None |
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491 try: |
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492 # Consume both iterators in an ordered way until one is empty |
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493 while True: |
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494 if val1 is None: |
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495 val1 = next(iter1) |
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496 if val2 is None: |
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497 val2 = next(iter2) |
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498 n = choice(val1, val2) |
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499 yield n |
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500 if val1 == n: |
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501 val1 = None |
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502 if val2 == n: |
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503 val2 = None |
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504 except StopIteration: |
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505 # Flush any remaining values and consume the other one |
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506 it = iter2 |
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507 if val1 is not None: |
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508 yield val1 |
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509 it = iter1 |
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510 elif val2 is not None: |
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511 # might have been equality and both are empty |
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512 yield val2 |
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513 for val in it: |
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514 yield val |
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515 |
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516 class addset(abstractsmartset): |
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517 """Represent the addition of two sets |
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518 |
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519 Wrapper structure for lazily adding two structures without losing much |
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520 performance on the __contains__ method |
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521 |
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522 If the ascending attribute is set, that means the two structures are |
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523 ordered in either an ascending or descending way. Therefore, we can add |
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7731a2281cf0
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524 them maintaining the order by iterating over both at the same time |
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525 |
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526 >>> xs = baseset([0, 3, 2]) |
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527 >>> ys = baseset([5, 2, 4]) |
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528 |
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529 >>> rs = addset(xs, ys) |
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530 >>> bool(rs), 0 in rs, 1 in rs, 5 in rs, rs.first(), rs.last() |
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531 (True, True, False, True, 0, 4) |
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532 >>> rs = addset(xs, baseset([])) |
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533 >>> bool(rs), 0 in rs, 1 in rs, rs.first(), rs.last() |
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534 (True, True, False, 0, 2) |
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535 >>> rs = addset(baseset([]), baseset([])) |
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536 >>> bool(rs), 0 in rs, rs.first(), rs.last() |
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537 (False, False, None, None) |
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538 |
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|
539 iterate unsorted: |
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|
540 >>> rs = addset(xs, ys) |
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|
541 >>> # (use generator because pypy could call len()) |
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542 >>> list(x for x in rs) # without _genlist |
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543 [0, 3, 2, 5, 4] |
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544 >>> assert not rs._genlist |
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545 >>> len(rs) |
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546 5 |
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547 >>> [x for x in rs] # with _genlist |
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548 [0, 3, 2, 5, 4] |
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549 >>> assert rs._genlist |
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|
550 |
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551 iterate ascending: |
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|
552 >>> rs = addset(xs, ys, ascending=True) |
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|
553 >>> # (use generator because pypy could call len()) |
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|
554 >>> list(x for x in rs), list(x for x in rs.fastasc()) # without _asclist |
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diff
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|
555 ([0, 2, 3, 4, 5], [0, 2, 3, 4, 5]) |
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|
556 >>> assert not rs._asclist |
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|
557 >>> len(rs) |
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|
558 5 |
5548f558db3d
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|
559 >>> [x for x in rs], [x for x in rs.fastasc()] |
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|
560 ([0, 2, 3, 4, 5], [0, 2, 3, 4, 5]) |
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|
561 >>> assert rs._asclist |
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|
562 |
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|
563 iterate descending: |
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|
564 >>> rs = addset(xs, ys, ascending=False) |
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|
565 >>> # (use generator because pypy could call len()) |
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|
566 >>> list(x for x in rs), list(x for x in rs.fastdesc()) # without _asclist |
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|
567 ([5, 4, 3, 2, 0], [5, 4, 3, 2, 0]) |
263bbed1833c
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diff
changeset
|
568 >>> assert not rs._asclist |
25115
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diff
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|
569 >>> len(rs) |
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|
570 5 |
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|
571 >>> [x for x in rs], [x for x in rs.fastdesc()] |
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|
572 ([5, 4, 3, 2, 0], [5, 4, 3, 2, 0]) |
25024
263bbed1833c
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|
573 >>> assert rs._asclist |
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|
574 |
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|
575 iterate ascending without fastasc: |
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|
576 >>> rs = addset(xs, generatorset(ys), ascending=True) |
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|
577 >>> assert rs.fastasc is None |
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|
578 >>> [x for x in rs] |
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|
579 [0, 2, 3, 4, 5] |
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|
580 |
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diff
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|
581 iterate descending without fastdesc: |
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|
582 >>> rs = addset(generatorset(xs), ys, ascending=False) |
263bbed1833c
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|
583 >>> assert rs.fastdesc is None |
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|
584 >>> [x for x in rs] |
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|
585 [5, 4, 3, 2, 0] |
20694
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diff
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|
586 """ |
20712
c152e538b85b
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|
587 def __init__(self, revs1, revs2, ascending=None): |
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diff
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|
588 self._r1 = revs1 |
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|
589 self._r2 = revs2 |
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|
590 self._iter = None |
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diff
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|
591 self._ascending = ascending |
20720
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parents:
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diff
changeset
|
592 self._genlist = None |
22859
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22857
diff
changeset
|
593 self._asclist = None |
20720
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|
594 |
20845
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diff
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|
595 def __len__(self): |
bc95143446e8
_addset: add a __len__ method
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changeset
|
596 return len(self._list) |
bc95143446e8
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parents:
20833
diff
changeset
|
597 |
22743
eccf9907b844
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22742
diff
changeset
|
598 def __nonzero__(self): |
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revset: fix O(2^n) perf regression in addset
Durham Goode <durham@fb.com>
parents:
23078
diff
changeset
|
599 return bool(self._r1) or bool(self._r2) |
22743
eccf9907b844
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parents:
22742
diff
changeset
|
600 |
31476
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31446
diff
changeset
|
601 __bool__ = __nonzero__ |
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602 |
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603 @util.propertycache |
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604 def _list(self): |
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605 if not self._genlist: |
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606 self._genlist = baseset(iter(self)) |
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607 return self._genlist |
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608 |
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609 def __iter__(self): |
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610 """Iterate over both collections without repeating elements |
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611 |
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612 If the ascending attribute is not set, iterate over the first one and |
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|
613 then over the second one checking for membership on the first one so we |
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614 dont yield any duplicates. |
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615 |
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616 If the ascending attribute is set, iterate over both collections at the |
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617 same time, yielding only one value at a time in the given order. |
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618 """ |
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619 if self._ascending is None: |
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620 if self._genlist: |
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621 return iter(self._genlist) |
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622 def arbitraryordergen(): |
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623 for r in self._r1: |
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624 yield r |
22881
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625 inr1 = self._r1.__contains__ |
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626 for r in self._r2: |
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627 if not inr1(r): |
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628 yield r |
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629 return arbitraryordergen() |
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630 # try to use our own fast iterator if it exists |
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631 self._trysetasclist() |
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632 if self._ascending: |
25130
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633 attr = 'fastasc' |
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634 else: |
25130
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635 attr = 'fastdesc' |
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636 it = getattr(self, attr) |
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|
637 if it is not None: |
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|
638 return it() |
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639 # maybe half of the component supports fast |
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|
640 # get iterator for _r1 |
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641 iter1 = getattr(self._r1, attr) |
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642 if iter1 is None: |
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|
643 # let's avoid side effect (not sure it matters) |
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644 iter1 = iter(sorted(self._r1, reverse=not self._ascending)) |
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645 else: |
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646 iter1 = iter1() |
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647 # get iterator for _r2 |
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648 iter2 = getattr(self._r2, attr) |
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649 if iter2 is None: |
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650 # let's avoid side effect (not sure it matters) |
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651 iter2 = iter(sorted(self._r2, reverse=not self._ascending)) |
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652 else: |
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653 iter2 = iter2() |
25131
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654 return _iterordered(self._ascending, iter1, iter2) |
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655 |
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|
656 def _trysetasclist(self): |
23139
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|
657 """populate the _asclist attribute if possible and necessary""" |
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658 if self._genlist is not None and self._asclist is None: |
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659 self._asclist = sorted(self._genlist) |
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|
660 |
22742
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|
661 @property |
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|
662 def fastasc(self): |
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663 self._trysetasclist() |
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|
664 if self._asclist is not None: |
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|
665 return self._asclist.__iter__ |
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|
666 iter1 = self._r1.fastasc |
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|
667 iter2 = self._r2.fastasc |
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|
668 if None in (iter1, iter2): |
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|
669 return None |
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|
670 return lambda: _iterordered(True, iter1(), iter2()) |
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|
671 |
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|
672 @property |
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|
673 def fastdesc(self): |
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|
674 self._trysetasclist() |
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675 if self._asclist is not None: |
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|
676 return self._asclist.__reversed__ |
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|
677 iter1 = self._r1.fastdesc |
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|
678 iter2 = self._r2.fastdesc |
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679 if None in (iter1, iter2): |
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|
680 return None |
25131
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|
681 return lambda: _iterordered(False, iter1(), iter2()) |
22741
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|
682 |
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|
683 def __contains__(self, x): |
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|
684 return x in self._r1 or x in self._r2 |
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|
685 |
20724
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changeset
|
686 def sort(self, reverse=False): |
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|
687 """Sort the added set |
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|
688 |
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|
689 For this we use the cached list with all the generated values and if we |
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|
690 know they are ascending or descending we can sort them in a smart way. |
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|
691 """ |
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|
692 self._ascending = not reverse |
20724
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changeset
|
693 |
20733
adf4ec7e6f60
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|
694 def isascending(self): |
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|
695 return self._ascending is not None and self._ascending |
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|
696 |
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|
697 def isdescending(self): |
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|
698 return self._ascending is not None and not self._ascending |
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|
699 |
29346
38e0c83c7ee4
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|
700 def istopo(self): |
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|
701 # not worth the trouble asserting if the two sets combined are still |
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|
702 # in topographical order. Use the sort() predicate to explicitly sort |
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|
703 # again instead. |
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|
704 return False |
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changeset
|
705 |
20723
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|
706 def reverse(self): |
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|
707 if self._ascending is None: |
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|
708 self._list.reverse() |
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|
709 else: |
20723
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|
710 self._ascending = not self._ascending |
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20722
diff
changeset
|
711 |
22810
7f97cb12782f
addset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22809
diff
changeset
|
712 def first(self): |
23127
7361d8244efb
addset: fix `first` and `last` on sorted addset (issue4426)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23115
diff
changeset
|
713 for x in self: |
7361d8244efb
addset: fix `first` and `last` on sorted addset (issue4426)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23115
diff
changeset
|
714 return x |
22810
7f97cb12782f
addset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22809
diff
changeset
|
715 return None |
7f97cb12782f
addset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22809
diff
changeset
|
716 |
7f97cb12782f
addset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22809
diff
changeset
|
717 def last(self): |
23127
7361d8244efb
addset: fix `first` and `last` on sorted addset (issue4426)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23115
diff
changeset
|
718 self.reverse() |
7361d8244efb
addset: fix `first` and `last` on sorted addset (issue4426)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23115
diff
changeset
|
719 val = self.first() |
7361d8244efb
addset: fix `first` and `last` on sorted addset (issue4426)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23115
diff
changeset
|
720 self.reverse() |
7361d8244efb
addset: fix `first` and `last` on sorted addset (issue4426)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23115
diff
changeset
|
721 return val |
22810
7f97cb12782f
addset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22809
diff
changeset
|
722 |
24457
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
723 def __repr__(self): |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
724 d = {None: '', False: '-', True: '+'}[self._ascending] |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
725 return '<%s%s %r, %r>' % (type(self).__name__, d, self._r1, self._r2) |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
726 |
22795
c21342159fad
generatorset: drop the leading underscore in the class name
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22794
diff
changeset
|
727 class generatorset(abstractsmartset): |
20705
9cc2249a9461
revset: made generatorset a private class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20703
diff
changeset
|
728 """Wrap a generator for lazy iteration |
9cc2249a9461
revset: made generatorset a private class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20703
diff
changeset
|
729 |
9cc2249a9461
revset: made generatorset a private class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20703
diff
changeset
|
730 Wrapper structure for generators that provides lazy membership and can |
20540
fa16c710a3d8
revset: added cached generated list on generatorset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20538
diff
changeset
|
731 be iterated more than once. |
fa16c710a3d8
revset: added cached generated list on generatorset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20538
diff
changeset
|
732 When asked for membership it generates values until either it finds the |
fa16c710a3d8
revset: added cached generated list on generatorset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20538
diff
changeset
|
733 requested one or has gone through all the elements in the generator |
fa16c710a3d8
revset: added cached generated list on generatorset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20538
diff
changeset
|
734 """ |
22755
f9a825b593be
generatorset: make it possible to use gen as fastasc or fastdesc
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22754
diff
changeset
|
735 def __init__(self, gen, iterasc=None): |
20739
1b4f2399f3c4
revset: add documentation and comment for _generatorset
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20738
diff
changeset
|
736 """ |
1b4f2399f3c4
revset: add documentation and comment for _generatorset
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20738
diff
changeset
|
737 gen: a generator producing the values for the generatorset. |
1b4f2399f3c4
revset: add documentation and comment for _generatorset
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20738
diff
changeset
|
738 """ |
20536
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
739 self._gen = gen |
22798
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
740 self._asclist = None |
20536
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
741 self._cache = {} |
22796
43f664bf2e1e
generatorset: stop using a base as the _genlist
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22795
diff
changeset
|
742 self._genlist = [] |
20703
e07b1fd30805
revset: added sort methods to generatorsets
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20695
diff
changeset
|
743 self._finished = False |
22800
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
744 self._ascending = True |
22755
f9a825b593be
generatorset: make it possible to use gen as fastasc or fastdesc
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22754
diff
changeset
|
745 if iterasc is not None: |
f9a825b593be
generatorset: make it possible to use gen as fastasc or fastdesc
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22754
diff
changeset
|
746 if iterasc: |
22797
61ecabeeadb3
generatorset: move iteration code into _iterator
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22796
diff
changeset
|
747 self.fastasc = self._iterator |
22757
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
748 self.__contains__ = self._asccontains |
22755
f9a825b593be
generatorset: make it possible to use gen as fastasc or fastdesc
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22754
diff
changeset
|
749 else: |
22797
61ecabeeadb3
generatorset: move iteration code into _iterator
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22796
diff
changeset
|
750 self.fastdesc = self._iterator |
22757
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
751 self.__contains__ = self._desccontains |
20540
fa16c710a3d8
revset: added cached generated list on generatorset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20538
diff
changeset
|
752 |
22739
4ed47a1b2d24
generatorset: implement __nonzero__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22738
diff
changeset
|
753 def __nonzero__(self): |
24936
2aa94b6fe51c
revset: make generatorset.__nonzero__ lazy
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24932
diff
changeset
|
754 # Do not use 'for r in self' because it will enforce the iteration |
2aa94b6fe51c
revset: make generatorset.__nonzero__ lazy
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24932
diff
changeset
|
755 # order (default ascending), possibly unrolling a whole descending |
2aa94b6fe51c
revset: make generatorset.__nonzero__ lazy
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24932
diff
changeset
|
756 # iterator. |
2aa94b6fe51c
revset: make generatorset.__nonzero__ lazy
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24932
diff
changeset
|
757 if self._genlist: |
2aa94b6fe51c
revset: make generatorset.__nonzero__ lazy
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24932
diff
changeset
|
758 return True |
2aa94b6fe51c
revset: make generatorset.__nonzero__ lazy
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24932
diff
changeset
|
759 for r in self._consumegen(): |
22739
4ed47a1b2d24
generatorset: implement __nonzero__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22738
diff
changeset
|
760 return True |
4ed47a1b2d24
generatorset: implement __nonzero__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22738
diff
changeset
|
761 return False |
4ed47a1b2d24
generatorset: implement __nonzero__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22738
diff
changeset
|
762 |
31476
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31446
diff
changeset
|
763 __bool__ = __nonzero__ |
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31446
diff
changeset
|
764 |
20536
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
765 def __contains__(self, x): |
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
766 if x in self._cache: |
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
767 return self._cache[x] |
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
768 |
20828
3210b7930899
revset: improve performance of _generatorset.__contains__ (issue 4201)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20780
diff
changeset
|
769 # Use new values only, as existing values would be cached. |
3210b7930899
revset: improve performance of _generatorset.__contains__ (issue 4201)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20780
diff
changeset
|
770 for l in self._consumegen(): |
20634
f2bb7ba59456
revset: changed generatorset code to remove unnecesary function call
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20613
diff
changeset
|
771 if l == x: |
f2bb7ba59456
revset: changed generatorset code to remove unnecesary function call
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20613
diff
changeset
|
772 return True |
20536
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
773 |
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
774 self._cache[x] = False |
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
775 return False |
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
776 |
22757
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
777 def _asccontains(self, x): |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
778 """version of contains optimised for ascending generator""" |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
779 if x in self._cache: |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
780 return self._cache[x] |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
781 |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
782 # Use new values only, as existing values would be cached. |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
783 for l in self._consumegen(): |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
784 if l == x: |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
785 return True |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
786 if l > x: |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
787 break |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
788 |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
789 self._cache[x] = False |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
790 return False |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
791 |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
792 def _desccontains(self, x): |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
793 """version of contains optimised for descending generator""" |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
794 if x in self._cache: |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
795 return self._cache[x] |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
796 |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
797 # Use new values only, as existing values would be cached. |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
798 for l in self._consumegen(): |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
799 if l == x: |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
800 return True |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
801 if l < x: |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
802 break |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
803 |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
804 self._cache[x] = False |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
805 return False |
d34969a4b1a8
generatorset: move membership testing on ordered gen to the main class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22756
diff
changeset
|
806 |
20536
532b114a6e02
revset: added generatorset class with cached __contains__ method
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20534
diff
changeset
|
807 def __iter__(self): |
22800
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
808 if self._ascending: |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
809 it = self.fastasc |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
810 else: |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
811 it = self.fastdesc |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
812 if it is not None: |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
813 return it() |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
814 # we need to consume the iterator |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
815 for x in self._consumegen(): |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
816 pass |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
817 # recall the same code |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
818 return iter(self) |
22797
61ecabeeadb3
generatorset: move iteration code into _iterator
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22796
diff
changeset
|
819 |
61ecabeeadb3
generatorset: move iteration code into _iterator
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22796
diff
changeset
|
820 def _iterator(self): |
20833
47d43e2323c5
revset: fix generatorset race condition
Durham Goode <durham@fb.com>
parents:
20829
diff
changeset
|
821 if self._finished: |
22670
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
822 return iter(self._genlist) |
20833
47d43e2323c5
revset: fix generatorset race condition
Durham Goode <durham@fb.com>
parents:
20829
diff
changeset
|
823 |
22494
14f6cebfcb8a
revset: document the choice made in __generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22487
diff
changeset
|
824 # We have to use this complex iteration strategy to allow multiple |
14f6cebfcb8a
revset: document the choice made in __generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22487
diff
changeset
|
825 # iterations at the same time. We need to be able to catch revision |
23139
e53f6b72a0e4
spelling: fixes from proofreading of spell checker issues
Mads Kiilerich <madski@unity3d.com>
parents:
23127
diff
changeset
|
826 # removed from _consumegen and added to genlist in another instance. |
22494
14f6cebfcb8a
revset: document the choice made in __generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22487
diff
changeset
|
827 # |
14f6cebfcb8a
revset: document the choice made in __generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22487
diff
changeset
|
828 # Getting rid of it would provide an about 15% speed up on this |
14f6cebfcb8a
revset: document the choice made in __generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22487
diff
changeset
|
829 # iteration. |
20833
47d43e2323c5
revset: fix generatorset race condition
Durham Goode <durham@fb.com>
parents:
20829
diff
changeset
|
830 genlist = self._genlist |
31446
9a94239e4f12
py3: use next() to obtain next item from inner generator of generatorset
Yuya Nishihara <yuya@tcha.org>
parents:
31127
diff
changeset
|
831 nextgen = self._consumegen() |
9a94239e4f12
py3: use next() to obtain next item from inner generator of generatorset
Yuya Nishihara <yuya@tcha.org>
parents:
31127
diff
changeset
|
832 _len, _next = len, next # cache global lookup |
22670
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
833 def gen(): |
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
834 i = 0 |
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
835 while True: |
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
836 if i < _len(genlist): |
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
837 yield genlist[i] |
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
838 else: |
31446
9a94239e4f12
py3: use next() to obtain next item from inner generator of generatorset
Yuya Nishihara <yuya@tcha.org>
parents:
31127
diff
changeset
|
839 yield _next(nextgen) |
22670
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
840 i += 1 |
44dce874de97
revset: rely on built in iterator when possible in _generatorset.__iter__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22669
diff
changeset
|
841 return gen() |
20828
3210b7930899
revset: improve performance of _generatorset.__contains__ (issue 4201)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20780
diff
changeset
|
842 |
3210b7930899
revset: improve performance of _generatorset.__contains__ (issue 4201)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20780
diff
changeset
|
843 def _consumegen(self): |
22528
b6dc3b79bb25
revset: avoid in loop lookup in _generatorset._consumegen
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22527
diff
changeset
|
844 cache = self._cache |
b6dc3b79bb25
revset: avoid in loop lookup in _generatorset._consumegen
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22527
diff
changeset
|
845 genlist = self._genlist.append |
20634
f2bb7ba59456
revset: changed generatorset code to remove unnecesary function call
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20613
diff
changeset
|
846 for item in self._gen: |
22528
b6dc3b79bb25
revset: avoid in loop lookup in _generatorset._consumegen
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22527
diff
changeset
|
847 cache[item] = True |
b6dc3b79bb25
revset: avoid in loop lookup in _generatorset._consumegen
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22527
diff
changeset
|
848 genlist(item) |
20634
f2bb7ba59456
revset: changed generatorset code to remove unnecesary function call
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20613
diff
changeset
|
849 yield item |
22798
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
850 if not self._finished: |
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
851 self._finished = True |
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
852 asc = self._genlist[:] |
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
853 asc.sort() |
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
854 self._asclist = asc |
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
855 self.fastasc = asc.__iter__ |
586d7058ea48
generatorset: get list-based fast iterations after the generator is consumed
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22797
diff
changeset
|
856 self.fastdesc = asc.__reversed__ |
20703
e07b1fd30805
revset: added sort methods to generatorsets
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20695
diff
changeset
|
857 |
22996
a43d929d1fa1
generatorset: implement __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22995
diff
changeset
|
858 def __len__(self): |
a43d929d1fa1
generatorset: implement __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22995
diff
changeset
|
859 for x in self._consumegen(): |
a43d929d1fa1
generatorset: implement __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22995
diff
changeset
|
860 pass |
a43d929d1fa1
generatorset: implement __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22995
diff
changeset
|
861 return len(self._genlist) |
a43d929d1fa1
generatorset: implement __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22995
diff
changeset
|
862 |
20703
e07b1fd30805
revset: added sort methods to generatorsets
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20695
diff
changeset
|
863 def sort(self, reverse=False): |
22800
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
864 self._ascending = not reverse |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
865 |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
866 def reverse(self): |
29a8c20e14a8
generatorset: explicitly track iteration order
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22799
diff
changeset
|
867 self._ascending = not self._ascending |
20703
e07b1fd30805
revset: added sort methods to generatorsets
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20695
diff
changeset
|
868 |
22801
6af9e9b6af39
generatorset: implement isascending and isdescending
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22800
diff
changeset
|
869 def isascending(self): |
6af9e9b6af39
generatorset: implement isascending and isdescending
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22800
diff
changeset
|
870 return self._ascending |
6af9e9b6af39
generatorset: implement isascending and isdescending
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22800
diff
changeset
|
871 |
6af9e9b6af39
generatorset: implement isascending and isdescending
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22800
diff
changeset
|
872 def isdescending(self): |
6af9e9b6af39
generatorset: implement isascending and isdescending
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22800
diff
changeset
|
873 return not self._ascending |
6af9e9b6af39
generatorset: implement isascending and isdescending
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22800
diff
changeset
|
874 |
29346
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
875 def istopo(self): |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
876 # not worth the trouble asserting if the two sets combined are still |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
877 # in topographical order. Use the sort() predicate to explicitly sort |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
878 # again instead. |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
879 return False |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
880 |
22811
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
881 def first(self): |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
882 if self._ascending: |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
883 it = self.fastasc |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
884 else: |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
885 it = self.fastdesc |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
886 if it is None: |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
887 # we need to consume all and try again |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
888 for x in self._consumegen(): |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
889 pass |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
890 return self.first() |
25146
f542a2c89b60
generatorset: use 'next()' to simplify the code
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25145
diff
changeset
|
891 return next(it(), None) |
22811
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
892 |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
893 def last(self): |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
894 if self._ascending: |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
895 it = self.fastdesc |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
896 else: |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
897 it = self.fastasc |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
898 if it is None: |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
899 # we need to consume all and try again |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
900 for x in self._consumegen(): |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
901 pass |
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
902 return self.first() |
25146
f542a2c89b60
generatorset: use 'next()' to simplify the code
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25145
diff
changeset
|
903 return next(it(), None) |
22811
c1fd827e1ae0
generatorset: implement first and last methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22810
diff
changeset
|
904 |
24457
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
905 def __repr__(self): |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
906 d = {False: '-', True: '+'}[self._ascending] |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
907 return '<%s%s>' % (type(self).__name__, d) |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
908 |
24116
8b90a60181d1
revset: drop factory that promotes spanset to fullreposet
Yuya Nishihara <yuya@tcha.org>
parents:
24115
diff
changeset
|
909 class spanset(abstractsmartset): |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
910 """Duck type for baseset class which represents a range of revisions and |
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
911 can work lazily and without having all the range in memory |
20737
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
912 |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
913 Note that spanset(x, y) behave almost like xrange(x, y) except for two |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
914 notable points: |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
915 - when x < y it will be automatically descending, |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
916 - revision filtered with this repoview will be skipped. |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
917 |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
918 """ |
20525
aa73a6327df4
revset: changed spanset to take a repo argument
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20521
diff
changeset
|
919 def __init__(self, repo, start=0, end=None): |
20737
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
920 """ |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
921 start: first revision included the set |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
922 (default to 0) |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
923 end: first revision excluded (last+1) |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
924 (default to len(repo) |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
925 |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
926 Spanset will be descending if `end` < `start`. |
b141080e70c5
revset: added documentation and comment for spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20734
diff
changeset
|
927 """ |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
928 if end is None: |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
929 end = len(repo) |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
930 self._ascending = start <= end |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
931 if not self._ascending: |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
932 start, end = end + 1, start +1 |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
933 self._start = start |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
934 self._end = end |
20525
aa73a6327df4
revset: changed spanset to take a repo argument
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20521
diff
changeset
|
935 self._hiddenrevs = repo.changelog.filteredrevs |
20521
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
936 |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
937 def sort(self, reverse=False): |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
938 self._ascending = not reverse |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
939 |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
940 def reverse(self): |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
941 self._ascending = not self._ascending |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
942 |
29346
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
943 def istopo(self): |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
944 # not worth the trouble asserting if the two sets combined are still |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
945 # in topographical order. Use the sort() predicate to explicitly sort |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
946 # again instead. |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
947 return False |
38e0c83c7ee4
revset: record if a set is in topographical order
Martijn Pieters <mjpieters@fb.com>
parents:
29304
diff
changeset
|
948 |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
949 def _iterfilter(self, iterrange): |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
950 s = self._hiddenrevs |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
951 for r in iterrange: |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
952 if r not in s: |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
953 yield r |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
954 |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
955 def __iter__(self): |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
956 if self._ascending: |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
957 return self.fastasc() |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
958 else: |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
959 return self.fastdesc() |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
960 |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
961 def fastasc(self): |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
962 iterrange = xrange(self._start, self._end) |
20521
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
963 if self._hiddenrevs: |
22717
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
964 return self._iterfilter(iterrange) |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
965 return iter(iterrange) |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
966 |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
967 def fastdesc(self): |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
968 iterrange = xrange(self._end - 1, self._start - 1, -1) |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
969 if self._hiddenrevs: |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
970 return self._iterfilter(iterrange) |
b89f7e3a414d
spanset: enforce the order lazily to gain `fastasc` and `fastdesc` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22716
diff
changeset
|
971 return iter(iterrange) |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
972 |
21201
c8b9c6147108
revset: fix revision filtering in spanset.contains (regression)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21199
diff
changeset
|
973 def __contains__(self, rev): |
22526
1e6d2b6b37ea
revset: do less lookup during spanset.__contains__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22510
diff
changeset
|
974 hidden = self._hiddenrevs |
22718
7b123e5639f4
spanset: do a single range check in __contains__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22717
diff
changeset
|
975 return ((self._start <= rev < self._end) |
22526
1e6d2b6b37ea
revset: do less lookup during spanset.__contains__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22510
diff
changeset
|
976 and not (hidden and rev in hidden)) |
20482
a979078bd788
revset: added spanset class to represent revision ranges
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20481
diff
changeset
|
977 |
20716
fa1ac5faa7c4
revset: added __nonzero__ method to spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20714
diff
changeset
|
978 def __nonzero__(self): |
fa1ac5faa7c4
revset: added __nonzero__ method to spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20714
diff
changeset
|
979 for r in self: |
fa1ac5faa7c4
revset: added __nonzero__ method to spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20714
diff
changeset
|
980 return True |
fa1ac5faa7c4
revset: added __nonzero__ method to spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20714
diff
changeset
|
981 return False |
fa1ac5faa7c4
revset: added __nonzero__ method to spanset class
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20714
diff
changeset
|
982 |
31476
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31446
diff
changeset
|
983 __bool__ = __nonzero__ |
413b44003462
py3: add __bool__ to every class defining __nonzero__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31446
diff
changeset
|
984 |
20484
0f1ef9e9e904
revset: added operations to spanset to duck type baseset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20483
diff
changeset
|
985 def __len__(self): |
20521
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
986 if not self._hiddenrevs: |
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
987 return abs(self._end - self._start) |
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
988 else: |
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
989 count = 0 |
21205
e2031c8ca4f8
revset: also inline spanset._contained in __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21204
diff
changeset
|
990 start = self._start |
e2031c8ca4f8
revset: also inline spanset._contained in __len__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21204
diff
changeset
|
991 end = self._end |
20521
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
992 for rev in self._hiddenrevs: |
21284
3e53a64345c1
revset: cosmetic changes in spanset range comparison
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21283
diff
changeset
|
993 if (end < rev <= start) or (start <= rev < end): |
20521
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
994 count += 1 |
1850a7f5fb66
revset: changed spanset implementation to take hidden revisions into account
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20512
diff
changeset
|
995 return abs(self._end - self._start) - count |
20484
0f1ef9e9e904
revset: added operations to spanset to duck type baseset
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20483
diff
changeset
|
996 |
20725
cf628b50afbb
revset: added isascending and isdescending methods to smartset classes
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20724
diff
changeset
|
997 def isascending(self): |
23826
c90d195320c5
revset: fix spanset.isascending() to honor sort() or reverse() request
Yuya Nishihara <yuya@tcha.org>
parents:
23724
diff
changeset
|
998 return self._ascending |
20725
cf628b50afbb
revset: added isascending and isdescending methods to smartset classes
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20724
diff
changeset
|
999 |
cf628b50afbb
revset: added isascending and isdescending methods to smartset classes
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20724
diff
changeset
|
1000 def isdescending(self): |
23826
c90d195320c5
revset: fix spanset.isascending() to honor sort() or reverse() request
Yuya Nishihara <yuya@tcha.org>
parents:
23724
diff
changeset
|
1001 return not self._ascending |
20725
cf628b50afbb
revset: added isascending and isdescending methods to smartset classes
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20724
diff
changeset
|
1002 |
22809
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1003 def first(self): |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1004 if self._ascending: |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1005 it = self.fastasc |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1006 else: |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1007 it = self.fastdesc |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1008 for x in it(): |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1009 return x |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1010 return None |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1011 |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1012 def last(self): |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1013 if self._ascending: |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1014 it = self.fastdesc |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1015 else: |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1016 it = self.fastasc |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1017 for x in it(): |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1018 return x |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1019 return None |
88dad916c008
spanset: implement `first` and `last` methods
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22808
diff
changeset
|
1020 |
24457
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
1021 def __repr__(self): |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
1022 d = {False: '-', True: '+'}[self._ascending] |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
1023 return '<%s%s %d:%d>' % (type(self).__name__, d, |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
1024 self._start, self._end - 1) |
c5022f3579b9
revset: add __repr__ to all smartset classes
Yuya Nishihara <yuya@tcha.org>
parents:
24446
diff
changeset
|
1025 |
24116
8b90a60181d1
revset: drop factory that promotes spanset to fullreposet
Yuya Nishihara <yuya@tcha.org>
parents:
24115
diff
changeset
|
1026 class fullreposet(spanset): |
22508
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1027 """a set containing all revisions in the repo |
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1028 |
24204
d2de20e1451f
revset: extend fullreposet to make "null" revision magically appears in set
Yuya Nishihara <yuya@tcha.org>
parents:
24203
diff
changeset
|
1029 This class exists to host special optimization and magic to handle virtual |
d2de20e1451f
revset: extend fullreposet to make "null" revision magically appears in set
Yuya Nishihara <yuya@tcha.org>
parents:
24203
diff
changeset
|
1030 revisions such as "null". |
22508
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1031 """ |
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1032 |
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1033 def __init__(self, repo): |
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1034 super(fullreposet, self).__init__(repo) |
2434c68d82a8
revert: add a fullreposet class
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22504
diff
changeset
|
1035 |
22510
911f5a6579d1
revset: fast implementation for fullreposet.__and__
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22509
diff
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|
1036 def __and__(self, other): |
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1037 """As self contains the whole repo, all of the other set should also be |
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1038 in self. Therefore `self & other = other`. |
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1039 |
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1040 This boldly assumes the other contains valid revs only. |
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1041 """ |
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1042 # other not a smartset, make is so |
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1043 if not util.safehasattr(other, 'isascending'): |
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1044 # filter out hidden revision |
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1045 # (this boldly assumes all smartset are pure) |
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1046 # |
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1047 # `other` was used with "&", let's assume this is a set like |
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1048 # object. |
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1049 other = baseset(other - self._hiddenrevs) |
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1050 |
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1051 other.sort(reverse=self.isdescending()) |
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1052 return other |
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1053 |
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1054 def prettyformat(revs): |
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1055 lines = [] |
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1056 rs = repr(revs) |
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1057 p = 0 |
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1058 while p < len(rs): |
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1059 q = rs.find('<', p + 1) |
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1060 if q < 0: |
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1061 q = len(rs) |
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1062 l = rs.count('<', 0, p) - rs.count('>', 0, p) |
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1063 assert l >= 0 |
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1064 lines.append((l, rs[p:q].rstrip())) |
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1065 p = q |
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1066 return '\n'.join(' ' * l + s for l, s in lines) |