Mercurial > hg
annotate mercurial/wireprotov1peer.py @ 41358:0a0927f7549d
tests: fix module-import warnings in test-update-atomic.t
These were caught by test-check-module-imports.t on Python 3.
This should also make python3-buildbot green again.
Differential Revision: https://phab.mercurial-scm.org/D5674
author | Pulkit Goyal <pulkit@yandex-team.ru> |
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date | Thu, 24 Jan 2019 18:14:39 +0300 |
parents | 55e8da487b8a |
children | 268662aac075 |
rev | line source |
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1 # wireprotov1peer.py - Client-side functionality for wire protocol version 1. |
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2 # |
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3 # Copyright 2005-2010 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import hashlib |
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11 import sys |
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12 import weakref |
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13 |
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14 from .i18n import _ |
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15 from .node import ( |
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16 bin, |
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17 ) |
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18 from . import ( |
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19 bundle2, |
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20 changegroup as changegroupmod, |
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21 encoding, |
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22 error, |
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23 pushkey as pushkeymod, |
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24 pycompat, |
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25 repository, |
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26 util, |
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27 wireprototypes, |
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28 ) |
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29 from .utils import ( |
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30 interfaceutil, |
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31 ) |
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32 |
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33 urlreq = util.urlreq |
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34 |
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35 def batchable(f): |
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36 '''annotation for batchable methods |
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37 |
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38 Such methods must implement a coroutine as follows: |
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39 |
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40 @batchable |
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41 def sample(self, one, two=None): |
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42 # Build list of encoded arguments suitable for your wire protocol: |
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43 encargs = [('one', encode(one),), ('two', encode(two),)] |
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44 # Create future for injection of encoded result: |
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45 encresref = future() |
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46 # Return encoded arguments and future: |
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47 yield encargs, encresref |
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48 # Assuming the future to be filled with the result from the batched |
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49 # request now. Decode it: |
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50 yield decode(encresref.value) |
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51 |
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52 The decorator returns a function which wraps this coroutine as a plain |
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53 method, but adds the original method as an attribute called "batchable", |
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54 which is used by remotebatch to split the call into separate encoding and |
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55 decoding phases. |
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56 ''' |
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57 def plain(*args, **opts): |
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58 batchable = f(*args, **opts) |
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59 encargsorres, encresref = next(batchable) |
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60 if not encresref: |
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61 return encargsorres # a local result in this case |
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62 self = args[0] |
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63 cmd = pycompat.bytesurl(f.__name__) # ensure cmd is ascii bytestr |
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64 encresref.set(self._submitone(cmd, encargsorres)) |
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65 return next(batchable) |
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66 setattr(plain, 'batchable', f) |
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67 setattr(plain, '__name__', f.__name__) |
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68 return plain |
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69 |
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70 class future(object): |
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71 '''placeholder for a value to be set later''' |
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72 def set(self, value): |
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73 if util.safehasattr(self, 'value'): |
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74 raise error.RepoError("future is already set") |
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75 self.value = value |
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76 |
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77 def encodebatchcmds(req): |
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78 """Return a ``cmds`` argument value for the ``batch`` command.""" |
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79 escapearg = wireprototypes.escapebatcharg |
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80 |
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81 cmds = [] |
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82 for op, argsdict in req: |
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83 # Old servers didn't properly unescape argument names. So prevent |
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84 # the sending of argument names that may not be decoded properly by |
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85 # servers. |
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86 assert all(escapearg(k) == k for k in argsdict) |
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87 |
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88 args = ','.join('%s=%s' % (escapearg(k), escapearg(v)) |
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89 for k, v in argsdict.iteritems()) |
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90 cmds.append('%s %s' % (op, args)) |
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91 |
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92 return ';'.join(cmds) |
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93 |
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94 class unsentfuture(pycompat.futures.Future): |
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95 """A Future variation to represent an unsent command. |
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96 |
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97 Because we buffer commands and don't submit them immediately, calling |
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98 ``result()`` on an unsent future could deadlock. Futures for buffered |
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99 commands are represented by this type, which wraps ``result()`` to |
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100 call ``sendcommands()``. |
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101 """ |
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102 |
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103 def result(self, timeout=None): |
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104 if self.done(): |
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105 return pycompat.futures.Future.result(self, timeout) |
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106 |
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107 self._peerexecutor.sendcommands() |
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108 |
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109 # This looks like it will infinitely recurse. However, |
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110 # sendcommands() should modify __class__. This call serves as a check |
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111 # on that. |
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112 return self.result(timeout) |
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113 |
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114 @interfaceutil.implementer(repository.ipeercommandexecutor) |
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115 class peerexecutor(object): |
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116 def __init__(self, peer): |
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117 self._peer = peer |
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118 self._sent = False |
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119 self._closed = False |
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120 self._calls = [] |
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121 self._futures = weakref.WeakSet() |
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122 self._responseexecutor = None |
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123 self._responsef = None |
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124 |
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125 def __enter__(self): |
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126 return self |
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127 |
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128 def __exit__(self, exctype, excvalee, exctb): |
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129 self.close() |
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130 |
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131 def callcommand(self, command, args): |
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132 if self._sent: |
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133 raise error.ProgrammingError('callcommand() cannot be used ' |
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134 'after commands are sent') |
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135 |
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136 if self._closed: |
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137 raise error.ProgrammingError('callcommand() cannot be used ' |
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138 'after close()') |
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139 |
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140 # Commands are dispatched through methods on the peer. |
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141 fn = getattr(self._peer, pycompat.sysstr(command), None) |
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142 |
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143 if not fn: |
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144 raise error.ProgrammingError( |
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145 'cannot call command %s: method of same name not available ' |
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146 'on peer' % command) |
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147 |
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148 # Commands are either batchable or they aren't. If a command |
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149 # isn't batchable, we send it immediately because the executor |
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150 # can no longer accept new commands after a non-batchable command. |
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151 # If a command is batchable, we queue it for later. But we have |
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152 # to account for the case of a non-batchable command arriving after |
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153 # a batchable one and refuse to service it. |
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154 |
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155 def addcall(): |
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156 f = pycompat.futures.Future() |
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157 self._futures.add(f) |
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158 self._calls.append((command, args, fn, f)) |
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159 return f |
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160 |
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161 if getattr(fn, 'batchable', False): |
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162 f = addcall() |
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163 |
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164 # But since we don't issue it immediately, we wrap its result() |
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165 # to trigger sending so we avoid deadlocks. |
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166 f.__class__ = unsentfuture |
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167 f._peerexecutor = self |
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168 else: |
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169 if self._calls: |
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170 raise error.ProgrammingError( |
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171 '%s is not batchable and cannot be called on a command ' |
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172 'executor along with other commands' % command) |
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173 |
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174 f = addcall() |
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175 |
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176 # Non-batchable commands can never coexist with another command |
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177 # in this executor. So send the command immediately. |
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178 self.sendcommands() |
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179 |
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180 return f |
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181 |
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182 def sendcommands(self): |
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183 if self._sent: |
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184 return |
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185 |
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186 if not self._calls: |
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187 return |
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188 |
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189 self._sent = True |
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190 |
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191 # Unhack any future types so caller seens a clean type and to break |
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192 # cycle between us and futures. |
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193 for f in self._futures: |
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194 if isinstance(f, unsentfuture): |
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195 f.__class__ = pycompat.futures.Future |
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196 f._peerexecutor = None |
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197 |
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198 calls = self._calls |
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199 # Mainly to destroy references to futures. |
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200 self._calls = None |
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201 |
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202 # Simple case of a single command. We call it synchronously. |
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203 if len(calls) == 1: |
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204 command, args, fn, f = calls[0] |
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205 |
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206 # Future was cancelled. Ignore it. |
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207 if not f.set_running_or_notify_cancel(): |
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208 return |
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209 |
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210 try: |
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211 result = fn(**pycompat.strkwargs(args)) |
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212 except Exception: |
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213 pycompat.future_set_exception_info(f, sys.exc_info()[1:]) |
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214 else: |
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215 f.set_result(result) |
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216 |
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217 return |
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218 |
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219 # Batch commands are a bit harder. First, we have to deal with the |
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220 # @batchable coroutine. That's a bit annoying. Furthermore, we also |
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221 # need to preserve streaming. i.e. it should be possible for the |
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222 # futures to resolve as data is coming in off the wire without having |
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223 # to wait for the final byte of the final response. We do this by |
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224 # spinning up a thread to read the responses. |
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225 |
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226 requests = [] |
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227 states = [] |
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228 |
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229 for command, args, fn, f in calls: |
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230 # Future was cancelled. Ignore it. |
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231 if not f.set_running_or_notify_cancel(): |
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232 continue |
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233 |
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234 try: |
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235 batchable = fn.batchable(fn.__self__, |
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236 **pycompat.strkwargs(args)) |
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237 except Exception: |
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238 pycompat.future_set_exception_info(f, sys.exc_info()[1:]) |
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239 return |
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240 |
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241 # Encoded arguments and future holding remote result. |
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242 try: |
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243 encargsorres, fremote = next(batchable) |
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244 except Exception: |
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245 pycompat.future_set_exception_info(f, sys.exc_info()[1:]) |
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246 return |
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247 |
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248 if not fremote: |
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249 f.set_result(encargsorres) |
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250 else: |
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251 requests.append((command, encargsorres)) |
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252 states.append((command, f, batchable, fremote)) |
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253 |
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254 if not requests: |
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255 return |
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256 |
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257 # This will emit responses in order they were executed. |
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258 wireresults = self._peer._submitbatch(requests) |
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259 |
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260 # The use of a thread pool executor here is a bit weird for something |
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261 # that only spins up a single thread. However, thread management is |
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262 # hard and it is easy to encounter race conditions, deadlocks, etc. |
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263 # concurrent.futures already solves these problems and its thread pool |
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264 # executor has minimal overhead. So we use it. |
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265 self._responseexecutor = pycompat.futures.ThreadPoolExecutor(1) |
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266 self._responsef = self._responseexecutor.submit(self._readbatchresponse, |
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267 states, wireresults) |
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268 |
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269 def close(self): |
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270 self.sendcommands() |
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271 |
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272 if self._closed: |
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273 return |
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274 |
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275 self._closed = True |
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276 |
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277 if not self._responsef: |
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278 return |
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279 |
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280 # We need to wait on our in-flight response and then shut down the |
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281 # executor once we have a result. |
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282 try: |
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283 self._responsef.result() |
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284 finally: |
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285 self._responseexecutor.shutdown(wait=True) |
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286 self._responsef = None |
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287 self._responseexecutor = None |
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288 |
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289 # If any of our futures are still in progress, mark them as |
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290 # errored. Otherwise a result() could wait indefinitely. |
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291 for f in self._futures: |
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292 if not f.done(): |
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293 f.set_exception(error.ResponseError( |
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294 _('unfulfilled batch command response'))) |
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295 |
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296 self._futures = None |
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297 |
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298 def _readbatchresponse(self, states, wireresults): |
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299 # Executes in a thread to read data off the wire. |
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300 |
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301 for command, f, batchable, fremote in states: |
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302 # Grab raw result off the wire and teach the internal future |
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303 # about it. |
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304 remoteresult = next(wireresults) |
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305 fremote.set(remoteresult) |
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306 |
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307 # And ask the coroutine to decode that value. |
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308 try: |
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309 result = next(batchable) |
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310 except Exception: |
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311 pycompat.future_set_exception_info(f, sys.exc_info()[1:]) |
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312 else: |
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313 f.set_result(result) |
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314 |
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315 @interfaceutil.implementer(repository.ipeercommands, |
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316 repository.ipeerlegacycommands) |
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317 class wirepeer(repository.peer): |
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318 """Client-side interface for communicating with a peer repository. |
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319 |
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320 Methods commonly call wire protocol commands of the same name. |
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321 |
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322 See also httppeer.py and sshpeer.py for protocol-specific |
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323 implementations of this interface. |
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324 """ |
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325 def commandexecutor(self): |
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326 return peerexecutor(self) |
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327 |
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328 # Begin of ipeercommands interface. |
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329 |
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330 def clonebundles(self): |
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331 self.requirecap('clonebundles', _('clone bundles')) |
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332 return self._call('clonebundles') |
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333 |
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334 @batchable |
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335 def lookup(self, key): |
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336 self.requirecap('lookup', _('look up remote revision')) |
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337 f = future() |
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338 yield {'key': encoding.fromlocal(key)}, f |
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339 d = f.value |
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340 success, data = d[:-1].split(" ", 1) |
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341 if int(success): |
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342 yield bin(data) |
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343 else: |
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344 self._abort(error.RepoError(data)) |
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345 |
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346 @batchable |
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347 def heads(self): |
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348 f = future() |
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349 yield {}, f |
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350 d = f.value |
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351 try: |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
352 yield wireprototypes.decodelist(d[:-1]) |
13726
378522bdc059
wireproto: avoid naked excepts
Matt Mackall <mpm@selenic.com>
parents:
13723
diff
changeset
|
353 except ValueError: |
11879
4e804302d30c
fix undefined variables, spotted by pylint
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11627
diff
changeset
|
354 self._abort(error.ResponseError(_("unexpected response:"), d)) |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
355 |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
356 @batchable |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
357 def known(self, nodes): |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
358 f = future() |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
359 yield {'nodes': wireprototypes.encodelist(nodes)}, f |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
360 d = f.value |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
361 try: |
38328
aa9dd805234d
py3: fix loop over byte string in wireprotov1peer
Yuya Nishihara <yuya@tcha.org>
parents:
37810
diff
changeset
|
362 yield [bool(int(b)) for b in pycompat.iterbytestr(d)] |
13726
378522bdc059
wireproto: avoid naked excepts
Matt Mackall <mpm@selenic.com>
parents:
13723
diff
changeset
|
363 except ValueError: |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
364 self._abort(error.ResponseError(_("unexpected response:"), d)) |
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
365 |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
366 @batchable |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
367 def branchmap(self): |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
368 f = future() |
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
369 yield {}, f |
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
370 d = f.value |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
371 try: |
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
372 branchmap = {} |
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
373 for branchpart in d.splitlines(): |
11597
9141d2c9e5a5
wireproto: refactor list of nodeid encoding / decoding
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11594
diff
changeset
|
374 branchname, branchheads = branchpart.split(' ', 1) |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28666
diff
changeset
|
375 branchname = encoding.tolocal(urlreq.unquote(branchname)) |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
376 branchheads = wireprototypes.decodelist(branchheads) |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
377 branchmap[branchname] = branchheads |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
378 yield branchmap |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
379 except TypeError: |
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
380 self._abort(error.ResponseError(_("unexpected response:"), d)) |
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
381 |
33806
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
382 @batchable |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
383 def listkeys(self, namespace): |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
384 if not self.capable('pushkey'): |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
385 yield {}, None |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
386 f = future() |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
387 self.ui.debug('preparing listkeys for "%s"\n' % namespace) |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
388 yield {'namespace': encoding.fromlocal(namespace)}, f |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
389 d = f.value |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
390 self.ui.debug('received listkey for "%s": %i bytes\n' |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
391 % (namespace, len(d))) |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
392 yield pushkeymod.decodekeys(d) |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
393 |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
394 @batchable |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
395 def pushkey(self, namespace, key, old, new): |
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
396 if not self.capable('pushkey'): |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
397 yield False, None |
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
398 f = future() |
17293
d3f84ccc5495
pushkey: add more verbose debug output regarding pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17205
diff
changeset
|
399 self.ui.debug('preparing pushkey for "%s:%s"\n' % (namespace, key)) |
20671
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
400 yield {'namespace': encoding.fromlocal(namespace), |
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
401 'key': encoding.fromlocal(key), |
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
402 'old': encoding.fromlocal(old), |
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
403 'new': encoding.fromlocal(new)}, f |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
404 d = f.value |
15652
ca6accdad79c
wireproto: handle other server output in pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15585
diff
changeset
|
405 d, output = d.split('\n', 1) |
13450
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
406 try: |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
407 d = bool(int(d)) |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
408 except ValueError: |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
409 raise error.ResponseError( |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
410 _('push failed (unexpected response):'), d) |
15652
ca6accdad79c
wireproto: handle other server output in pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15585
diff
changeset
|
411 for l in output.splitlines(True): |
ca6accdad79c
wireproto: handle other server output in pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15585
diff
changeset
|
412 self.ui.status(_('remote: '), l) |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
413 yield d |
11586
ddaaaa23bb8f
protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents:
11585
diff
changeset
|
414 |
11588
8a1f625e971d
protocol: unify stream_out client code
Matt Mackall <mpm@selenic.com>
parents:
11587
diff
changeset
|
415 def stream_out(self): |
8a1f625e971d
protocol: unify stream_out client code
Matt Mackall <mpm@selenic.com>
parents:
11587
diff
changeset
|
416 return self._callstream('stream_out') |
8a1f625e971d
protocol: unify stream_out client code
Matt Mackall <mpm@selenic.com>
parents:
11587
diff
changeset
|
417 |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
418 def getbundle(self, source, **kwargs): |
34739
b880cc11da5d
wireproto: bounce kwargs to/from bytes/str as needed
Augie Fackler <augie@google.com>
parents:
34731
diff
changeset
|
419 kwargs = pycompat.byteskwargs(kwargs) |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
420 self.requirecap('getbundle', _('look up remote changes')) |
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
421 opts = {} |
37412
1d459f61b42a
wireproto: don't special case bundlecaps, but sort all scsv arguments
Joerg Sonnenberger <joerg@bec.de>
parents:
37393
diff
changeset
|
422 bundlecaps = kwargs.get('bundlecaps') or set() |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
423 for key, value in kwargs.iteritems(): |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
424 if value is None: |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
425 continue |
37613
96d735601ca1
wireproto: move gboptsmap to wireprototypes and rename (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37612
diff
changeset
|
426 keytype = wireprototypes.GETBUNDLE_ARGUMENTS.get(key) |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
427 if keytype is None: |
34730
6be264009841
wireproto: use a proper exception instead of `assert False`
Augie Fackler <augie@google.com>
parents:
34729
diff
changeset
|
428 raise error.ProgrammingError( |
6be264009841
wireproto: use a proper exception instead of `assert False`
Augie Fackler <augie@google.com>
parents:
34729
diff
changeset
|
429 'Unexpectedly None keytype for key %s' % key) |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
430 elif keytype == 'nodes': |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
431 value = wireprototypes.encodelist(value) |
37412
1d459f61b42a
wireproto: don't special case bundlecaps, but sort all scsv arguments
Joerg Sonnenberger <joerg@bec.de>
parents:
37393
diff
changeset
|
432 elif keytype == 'csv': |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
433 value = ','.join(value) |
37412
1d459f61b42a
wireproto: don't special case bundlecaps, but sort all scsv arguments
Joerg Sonnenberger <joerg@bec.de>
parents:
37393
diff
changeset
|
434 elif keytype == 'scsv': |
1d459f61b42a
wireproto: don't special case bundlecaps, but sort all scsv arguments
Joerg Sonnenberger <joerg@bec.de>
parents:
37393
diff
changeset
|
435 value = ','.join(sorted(value)) |
21988
12cd3827b860
wireproto: add a ``boolean`` type for getbundle parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21728
diff
changeset
|
436 elif keytype == 'boolean': |
22351
7e6dd496d327
wireprotocol: fix 'boolean' handling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22342
diff
changeset
|
437 value = '%i' % bool(value) |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
438 elif keytype != 'plain': |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
439 raise KeyError('unknown getbundle option type %s' |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
440 % keytype) |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
441 opts[key] = value |
34739
b880cc11da5d
wireproto: bounce kwargs to/from bytes/str as needed
Augie Fackler <augie@google.com>
parents:
34731
diff
changeset
|
442 f = self._callcompressable("getbundle", **pycompat.strkwargs(opts)) |
25149
3f0744eeaeaf
cleanup: use __builtins__.any instead of util.any
Augie Fackler <augie@google.com>
parents:
25128
diff
changeset
|
443 if any((cap.startswith('HG2') for cap in bundlecaps)): |
24641
60fecc5b14a4
unbundle20: retrieve unbundler instances through a factory function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23878
diff
changeset
|
444 return bundle2.getunbundler(self.ui, f) |
21069
0a9cae236738
bundle2: allow bundle2 for pulling over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21064
diff
changeset
|
445 else: |
22390
e2806b8613ca
changegroup: rename bundle-related functions and classes
Sune Foldager <cryo@cyanite.org>
parents:
22353
diff
changeset
|
446 return changegroupmod.cg1unpacker(f, 'UN') |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
447 |
37646
72e26319f3b8
wireproto: use command executor for unbundle
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37635
diff
changeset
|
448 def unbundle(self, bundle, heads, url): |
11592
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
449 '''Send cg (a readable file-like object representing the |
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
450 changegroup to push, typically a chunkbuffer object) to the |
21075
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
451 remote server as a bundle. |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
452 |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
453 When pushing a bundle10 stream, return an integer indicating the |
32880
4c2a46f89f08
wireproto: update reference to deleted addchangegroup()
Martin von Zweigbergk <martinvonz@google.com>
parents:
32744
diff
changeset
|
454 result of the push (see changegroup.apply()). |
21075
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
455 |
29706
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
456 When pushing a bundle20 stream, return a bundle20 stream. |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
457 |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
458 `url` is the url the client thinks it's pushing to, which is |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
459 visible to hooks. |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
460 ''' |
11592
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
461 |
14419
ede7cea1550f
wireproto: do not hash when heads == ['force']
Martin Geisler <mg@aragost.com>
parents:
14093
diff
changeset
|
462 if heads != ['force'] and self.capable('unbundlehash'): |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
463 heads = wireprototypes.encodelist( |
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
464 ['hashed', hashlib.sha1(''.join(sorted(heads))).digest()]) |
13942
88f0e41d8802
wireproto: allow unbundle with hashed heads parameter (issue2126)
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|
465 else: |
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466 heads = wireprototypes.encodelist(heads) |
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|
467 |
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|
468 if util.safehasattr(bundle, 'deltaheader'): |
21075
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|
469 # this a bundle10, do the old style call sequence |
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|
470 ret, output = self._callpush("unbundle", bundle, heads=heads) |
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471 if ret == "": |
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|
472 raise error.ResponseError( |
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|
473 _('push failed:'), output) |
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|
474 try: |
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|
475 ret = int(ret) |
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476 except ValueError: |
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|
477 raise error.ResponseError( |
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|
478 _('push failed (unexpected response):'), ret) |
11592
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parents:
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changeset
|
479 |
21075
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480 for l in output.splitlines(True): |
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481 self.ui.status(_('remote: '), l) |
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482 else: |
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|
483 # bundle2 push. Send a stream, fetch a stream. |
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484 stream = self._calltwowaystream('unbundle', bundle, heads=heads) |
24641
60fecc5b14a4
unbundle20: retrieve unbundler instances through a factory function
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23878
diff
changeset
|
485 ret = bundle2.getunbundler(self.ui, stream) |
11592
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|
486 return ret |
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changeset
|
487 |
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|
488 # End of ipeercommands interface. |
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489 |
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|
490 # Begin of ipeerlegacycommands interface. |
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491 |
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492 def branches(self, nodes): |
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493 n = wireprototypes.encodelist(nodes) |
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494 d = self._call("branches", nodes=n) |
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495 try: |
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496 br = [tuple(wireprototypes.decodelist(b)) for b in d.splitlines()] |
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497 return br |
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498 except ValueError: |
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499 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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|
500 |
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501 def between(self, pairs): |
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502 batch = 8 # avoid giant requests |
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|
503 r = [] |
38783
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parents:
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diff
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|
504 for i in pycompat.xrange(0, len(pairs), batch): |
37612
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|
505 n = " ".join([wireprototypes.encodelist(p, '-') |
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|
506 for p in pairs[i:i + batch]]) |
33806
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507 d = self._call("between", pairs=n) |
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|
508 try: |
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509 r.extend(l and wireprototypes.decodelist(l) or [] |
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|
510 for l in d.splitlines()) |
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511 except ValueError: |
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512 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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|
513 return r |
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|
514 |
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diff
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|
515 def changegroup(self, nodes, source): |
37612
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516 n = wireprototypes.encodelist(nodes) |
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517 f = self._callcompressable("changegroup", roots=n) |
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518 return changegroupmod.cg1unpacker(f, 'UN') |
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|
519 |
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|
520 def changegroupsubset(self, bases, heads, source): |
33806
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|
521 self.requirecap('changegroupsubset', _('look up remote changes')) |
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|
522 bases = wireprototypes.encodelist(bases) |
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|
523 heads = wireprototypes.encodelist(heads) |
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|
524 f = self._callcompressable("changegroupsubset", |
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|
525 bases=bases, heads=heads) |
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|
526 return changegroupmod.cg1unpacker(f, 'UN') |
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|
527 |
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|
528 # End of ipeerlegacycommands interface. |
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|
529 |
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diff
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|
530 def _submitbatch(self, req): |
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|
531 """run batch request <req> on the server |
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|
532 |
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|
533 Returns an iterator of the raw responses from the server. |
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|
534 """ |
36945
4901d1e22b27
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diff
changeset
|
535 ui = self.ui |
4901d1e22b27
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parents:
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diff
changeset
|
536 if ui.debugflag and ui.configbool('devel', 'debug.peer-request'): |
4901d1e22b27
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parents:
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diff
changeset
|
537 ui.debug('devel-peer-request: batched-content\n') |
4901d1e22b27
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parents:
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diff
changeset
|
538 for op, args in req: |
4901d1e22b27
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
539 msg = 'devel-peer-request: - %s (%d arguments)\n' |
4901d1e22b27
peer-request: include more details about batch commands
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
540 ui.debug(msg % (op, len(args))) |
4901d1e22b27
peer-request: include more details about batch commands
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parents:
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diff
changeset
|
541 |
37612
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changeset
|
542 unescapearg = wireprototypes.unescapebatcharg |
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diff
changeset
|
543 |
33806
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|
544 rsp = self._callstream("batch", cmds=encodebatchcmds(req)) |
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diff
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|
545 chunk = rsp.read(1024) |
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diff
changeset
|
546 work = [chunk] |
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diff
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|
547 while chunk: |
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diff
changeset
|
548 while ';' not in chunk and chunk: |
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diff
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|
549 chunk = rsp.read(1024) |
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diff
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|
550 work.append(chunk) |
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diff
changeset
|
551 merged = ''.join(work) |
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diff
changeset
|
552 while ';' in merged: |
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diff
changeset
|
553 one, merged = merged.split(';', 1) |
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parents:
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diff
changeset
|
554 yield unescapearg(one) |
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diff
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|
555 chunk = rsp.read(1024) |
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diff
changeset
|
556 work = [merged, chunk] |
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diff
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|
557 yield unescapearg(''.join(work)) |
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parents:
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diff
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|
558 |
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diff
changeset
|
559 def _submitone(self, op, args): |
34739
b880cc11da5d
wireproto: bounce kwargs to/from bytes/str as needed
Augie Fackler <augie@google.com>
parents:
34731
diff
changeset
|
560 return self._call(op, **pycompat.strkwargs(args)) |
33806
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diff
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|
561 |
14048
58e58406ed19
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Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13942
diff
changeset
|
562 def debugwireargs(self, one, two, three=None, four=None, five=None): |
13720
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diff
changeset
|
563 # don't pass optional arguments left at their default value |
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diff
changeset
|
564 opts = {} |
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diff
changeset
|
565 if three is not None: |
35374
7d2292416046
py3: handle keyword arguments correctly in wireproto.py
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parents:
35267
diff
changeset
|
566 opts[r'three'] = three |
13720
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diff
changeset
|
567 if four is not None: |
35374
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diff
changeset
|
568 opts[r'four'] = four |
13720
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diff
changeset
|
569 return self._call('debugwireargs', one=one, two=two, **opts) |
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diff
changeset
|
570 |
20904
3dbe6bcd7f62
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diff
changeset
|
571 def _call(self, cmd, **args): |
3dbe6bcd7f62
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diff
changeset
|
572 """execute <cmd> on the server |
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diff
changeset
|
573 |
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diff
changeset
|
574 The command is expected to return a simple string. |
3dbe6bcd7f62
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diff
changeset
|
575 |
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diff
changeset
|
576 returns the server reply as a string.""" |
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parents:
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diff
changeset
|
577 raise NotImplementedError() |
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diff
changeset
|
578 |
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Pierre-Yves David <pierre-yves.david@fb.com>
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diff
changeset
|
579 def _callstream(self, cmd, **args): |
3dbe6bcd7f62
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parents:
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diff
changeset
|
580 """execute <cmd> on the server |
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581 |
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582 The command is expected to return a stream. Note that if the |
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583 command doesn't return a stream, _callstream behaves |
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584 differently for ssh and http peers. |
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585 |
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586 returns the server reply as a file like object. |
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587 """ |
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588 raise NotImplementedError() |
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589 |
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590 def _callcompressable(self, cmd, **args): |
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591 """execute <cmd> on the server |
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592 |
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593 The command is expected to return a stream. |
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594 |
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595 The stream may have been compressed in some implementations. This |
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596 function takes care of the decompression. This is the only difference |
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597 with _callstream. |
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598 |
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599 returns the server reply as a file like object. |
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600 """ |
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601 raise NotImplementedError() |
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602 |
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603 def _callpush(self, cmd, fp, **args): |
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604 """execute a <cmd> on server |
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605 |
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606 The command is expected to be related to a push. Push has a special |
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607 return method. |
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608 |
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609 returns the server reply as a (ret, output) tuple. ret is either |
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610 empty (error) or a stringified int. |
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611 """ |
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612 raise NotImplementedError() |
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613 |
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wireproto: add a _calltwowaystream method on wirepeer
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614 def _calltwowaystream(self, cmd, fp, **args): |
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615 """execute <cmd> on server |
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616 |
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617 The command will send a stream to the server and get a stream in reply. |
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618 """ |
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619 raise NotImplementedError() |
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620 |
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621 def _abort(self, exception): |
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622 """clearly abort the wire protocol connection and raise the exception |
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623 """ |
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624 raise NotImplementedError() |