annotate hgext/win32text.py @ 6510:37ab2331b94c

win32text: actually import util so util.binary() can be used
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Thu, 10 Apr 2008 14:08:38 +0200
parents 4b2c266bf059
children f6c00b17387c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # win32text.py - LF <-> CRLF/CR translation utilities for Windows/Mac users
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2 #
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3 # This software may be used and distributed according to the terms
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4 # of the GNU General Public License, incorporated herein by reference.
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5 #
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6 # To perform automatic newline conversion, use:
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7 #
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8 # [extensions]
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9 # hgext.win32text =
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10 # [encode]
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11 # ** = cleverencode:
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12 # # or ** = macencode:
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13 # [decode]
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14 # ** = cleverdecode:
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15 # # or ** = macdecode:
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16 #
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17 # If not doing conversion, to make sure you do not commit CRLF/CR by accident:
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18 #
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19 # [hooks]
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20 # pretxncommit.crlf = python:hgext.win32text.forbidcrlf
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21 # # or pretxncommit.cr = python:hgext.win32text.forbidcr
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22 #
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23 # To do the same check on a server to prevent CRLF/CR from being pushed or
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24 # pulled:
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25 #
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26 # [hooks]
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27 # pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf
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28 # # or pretxnchangegroup.cr = python:hgext.win32text.forbidcr
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29
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30 from mercurial.i18n import gettext as _
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31 from mercurial.node import bin, short
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32 from mercurial import util
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33 import re
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34
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35 # regexp for single LF without CR preceding.
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36 re_single_lf = re.compile('(^|[^\r])\n', re.MULTILINE)
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37
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38 newlinestr = {'\r\n': 'CRLF', '\r': 'CR'}
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39 filterstr = {'\r\n': 'clever', '\r': 'mac'}
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40
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41 def checknewline(s, newline, ui=None, repo=None, filename=None):
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42 # warn if already has 'newline' in repository.
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43 # it might cause unexpected eol conversion.
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44 # see issue 302:
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45 # http://www.selenic.com/mercurial/bts/issue302
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46 if newline in s and ui and filename and repo:
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47 ui.warn(_('WARNING: %s already has %s line endings\n'
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48 'and does not need EOL conversion by the win32text plugin.\n'
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49 'Before your next commit, please reconsider your '
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50 'encode/decode settings in \nMercurial.ini or %s.\n') %
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51 (filename, newlinestr[newline], repo.join('hgrc')))
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52
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53 def dumbdecode(s, cmd, **kwargs):
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54 checknewline(s, '\r\n', **kwargs)
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55 # replace single LF to CRLF
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56 return re_single_lf.sub('\\1\r\n', s)
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57
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58 def dumbencode(s, cmd):
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59 return s.replace('\r\n', '\n')
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60
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61 def macdumbdecode(s, cmd, **kwargs):
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62 checknewline(s, '\r', **kwargs)
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63 return s.replace('\n', '\r')
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64
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65 def macdumbencode(s, cmd):
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66 return s.replace('\r', '\n')
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67
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68 def cleverdecode(s, cmd, **kwargs):
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69 if not util.binary(s):
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70 return dumbdecode(s, cmd, **kwargs)
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71 return s
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72
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73 def cleverencode(s, cmd):
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74 if not util.binary(s):
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75 return dumbencode(s, cmd)
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76 return s
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77
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78 def macdecode(s, cmd, **kwargs):
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79 if not util.binary(s):
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80 return macdumbdecode(s, cmd, **kwargs)
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81 return s
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82
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83 def macencode(s, cmd):
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84 if not util.binary(s):
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85 return macdumbencode(s, cmd)
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86 return s
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87
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88 _filters = {
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89 'dumbdecode:': dumbdecode,
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90 'dumbencode:': dumbencode,
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91 'cleverdecode:': cleverdecode,
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92 'cleverencode:': cleverencode,
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93 'macdumbdecode:': macdumbdecode,
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94 'macdumbencode:': macdumbencode,
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95 'macdecode:': macdecode,
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96 'macencode:': macencode,
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97 }
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98
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99 def forbidnewline(ui, repo, hooktype, node, newline, **kwargs):
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100 halt = False
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101 for rev in xrange(repo.changelog.rev(bin(node)), repo.changelog.count()):
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102 c = repo.changectx(rev)
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103 for f in c.files():
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104 if f not in c:
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105 continue
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106 data = c[f].data()
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107 if not util.binary(data) and newline in data:
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108 if not halt:
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109 ui.warn(_('Attempt to commit or push text file(s) '
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110 'using %s line endings\n') %
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111 newlinestr[newline])
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112 ui.warn(_('in %s: %s\n') % (short(c.node()), f))
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113 halt = True
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114 if halt and hooktype == 'pretxnchangegroup':
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115 crlf = newlinestr[newline].lower()
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116 filter = filterstr[newline]
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117 ui.warn(_('\nTo prevent this mistake in your local repository,\n'
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118 'add to Mercurial.ini or .hg/hgrc:\n'
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119 '\n'
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120 '[hooks]\n'
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121 'pretxncommit.%s = python:hgext.win32text.forbid%s\n'
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122 '\n'
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123 'and also consider adding:\n'
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124 '\n'
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125 '[extensions]\n'
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126 'hgext.win32text =\n'
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127 '[encode]\n'
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128 '** = %sencode:\n'
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129 '[decode]\n'
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OHASHI Hideya <ohachige@gmail.com>
parents: 6247
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130 '** = %sdecode:\n') % (crlf, crlf, filter, filter))
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131 return halt
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Patrick Mezard <pmezard@gmail.com>
parents: 5675
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132
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OHASHI Hideya <ohachige@gmail.com>
parents: 6247
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133 def forbidcrlf(ui, repo, hooktype, node, **kwargs):
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parents: 6481
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134 return forbidnewline(ui, repo, hooktype, node, '\r\n', **kwargs)
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OHASHI Hideya <ohachige@gmail.com>
parents: 6247
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135
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OHASHI Hideya <ohachige@gmail.com>
parents: 6247
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136 def forbidcr(ui, repo, hooktype, node, **kwargs):
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parents: 6481
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137 return forbidnewline(ui, repo, hooktype, node, '\r', **kwargs)
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OHASHI Hideya <ohachige@gmail.com>
parents: 6247
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138
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parents: 5675
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139 def reposetup(ui, repo):
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Patrick Mezard <pmezard@gmail.com>
parents: 5675
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140 if not repo.local():
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Patrick Mezard <pmezard@gmail.com>
parents: 5675
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141 return
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Patrick Mezard <pmezard@gmail.com>
parents: 5675
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142 for name, fn in _filters.iteritems():
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Patrick Mezard <pmezard@gmail.com>
parents: 5675
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143 repo.adddatafilter(name, fn)
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Patrick Mezard <pmezard@gmail.com>
parents: 5675
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144