Mercurial > hg
annotate mercurial/httppeer.py @ 51630:513597087b89
branching: merge stable into default
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 10 Jun 2024 12:12:56 +0200 |
parents | 12c308c55e53 |
children | d17578f96e60 |
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1 # httppeer.py - HTTP repository proxy classes for mercurial |
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2 # |
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3 # Copyright 2005, 2006 Olivia Mackall <olivia@selenic.com> |
2859 | 4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
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8 |
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9 |
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10 import errno |
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11 import io |
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12 import os |
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13 import socket |
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14 import struct |
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15 |
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16 from concurrent import futures |
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17 from .i18n import _ |
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18 from . import ( |
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19 bundle2, |
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20 error, |
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21 httpconnection, |
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22 pycompat, |
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23 statichttprepo, |
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24 url as urlmod, |
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25 util, |
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26 wireprotov1peer, |
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27 ) |
48526 | 28 from .utils import urlutil |
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29 |
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30 httplib = util.httplib |
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31 urlerr = util.urlerr |
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32 urlreq = util.urlreq |
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33 |
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34 |
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35 def encodevalueinheaders(value, header, limit): |
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36 """Encode a string value into multiple HTTP headers. |
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37 |
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38 ``value`` will be encoded into 1 or more HTTP headers with the names |
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39 ``header-<N>`` where ``<N>`` is an integer starting at 1. Each header |
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40 name + value will be at most ``limit`` bytes long. |
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41 |
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42 Returns an iterable of 2-tuples consisting of header names and |
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43 values as native strings. |
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44 """ |
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45 # HTTP Headers are ASCII. Python 3 requires them to be unicodes, |
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46 # not bytes. This function always takes bytes in as arguments. |
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47 fmt = pycompat.strurl(header) + r'-%s' |
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48 # Note: it is *NOT* a bug that the last bit here is a bytestring |
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49 # and not a unicode: we're just getting the encoded length anyway, |
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50 # and using an r-string to make it portable between Python 2 and 3 |
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51 # doesn't work because then the \r is a literal backslash-r |
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52 # instead of a carriage return. |
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53 valuelen = limit - len(fmt % '000') - len(b': \r\n') |
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54 result = [] |
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55 |
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56 n = 0 |
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57 for i in range(0, len(value), valuelen): |
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58 n += 1 |
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59 result.append((fmt % str(n), pycompat.strurl(value[i : i + valuelen]))) |
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60 |
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61 return result |
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62 |
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63 |
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64 class _multifile: |
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65 def __init__(self, *fileobjs): |
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66 for f in fileobjs: |
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67 if not hasattr(f, 'length'): |
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68 raise ValueError( |
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69 b'_multifile only supports file objects that ' |
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70 b'have a length but this one does not:', |
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71 type(f), |
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72 f, |
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73 ) |
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74 self._fileobjs = fileobjs |
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75 self._index = 0 |
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76 |
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77 @property |
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78 def length(self): |
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79 return sum(f.length for f in self._fileobjs) |
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80 |
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81 def read(self, amt=None): |
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82 if amt <= 0: |
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83 return b''.join(f.read() for f in self._fileobjs) |
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84 parts = [] |
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85 while amt and self._index < len(self._fileobjs): |
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86 parts.append(self._fileobjs[self._index].read(amt)) |
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87 got = len(parts[-1]) |
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88 if got < amt: |
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89 self._index += 1 |
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90 amt -= got |
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91 return b''.join(parts) |
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92 |
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93 def seek(self, offset, whence=os.SEEK_SET): |
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94 if whence != os.SEEK_SET: |
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95 raise NotImplementedError( |
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96 b'_multifile does not support anything other' |
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97 b' than os.SEEK_SET for whence on seek()' |
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98 ) |
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99 if offset != 0: |
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100 raise NotImplementedError( |
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101 b'_multifile only supports seeking to start, but that ' |
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102 b'could be fixed if you need it' |
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103 ) |
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104 for f in self._fileobjs: |
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105 f.seek(0) |
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106 self._index = 0 |
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107 |
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108 |
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109 def makev1commandrequest( |
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110 ui, |
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111 requestbuilder, |
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112 caps, |
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113 capablefn, |
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114 repobaseurl, |
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115 cmd, |
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116 args, |
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117 remotehidden=False, |
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118 ): |
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119 """Make an HTTP request to run a command for a version 1 client. |
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120 |
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121 ``caps`` is a set of known server capabilities. The value may be |
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122 None if capabilities are not yet known. |
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123 |
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124 ``capablefn`` is a function to evaluate a capability. |
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125 |
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126 ``cmd``, ``args``, and ``data`` define the command, its arguments, and |
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127 raw data to pass to it. |
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128 """ |
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129 if cmd == b'pushkey': |
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130 args[b'data'] = b'' |
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131 data = args.pop(b'data', None) |
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132 headers = args.pop(b'headers', {}) |
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133 |
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134 ui.debug(b"sending %s command\n" % cmd) |
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135 q = [(b'cmd', cmd)] |
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136 if remotehidden: |
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137 q.append(('access-hidden', '1')) |
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138 headersize = 0 |
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139 # Important: don't use self.capable() here or else you end up |
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140 # with infinite recursion when trying to look up capabilities |
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141 # for the first time. |
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142 postargsok = caps is not None and b'httppostargs' in caps |
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143 |
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144 # Send arguments via POST. |
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145 if postargsok and args: |
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146 strargs = urlreq.urlencode(sorted(args.items())) |
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147 if not data: |
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148 data = strargs |
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149 else: |
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150 if isinstance(data, bytes): |
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151 i = io.BytesIO(data) |
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152 i.length = len(data) |
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153 data = i |
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154 argsio = io.BytesIO(strargs) |
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155 argsio.length = len(strargs) |
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156 data = _multifile(argsio, data) |
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157 headers['X-HgArgs-Post'] = len(strargs) |
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158 elif args: |
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159 # Calling self.capable() can infinite loop if we are calling |
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160 # "capabilities". But that command should never accept wire |
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161 # protocol arguments. So this should never happen. |
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162 assert cmd != b'capabilities' |
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163 httpheader = capablefn(b'httpheader') |
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164 if httpheader: |
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165 headersize = int(httpheader.split(b',', 1)[0]) |
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166 |
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167 # Send arguments via HTTP headers. |
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168 if headersize > 0: |
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169 # The headers can typically carry more data than the URL. |
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170 encoded_args = urlreq.urlencode(sorted(args.items())) |
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171 for header, value in encodevalueinheaders( |
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172 encoded_args, b'X-HgArg', headersize |
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173 ): |
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174 headers[header] = value |
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175 # Send arguments via query string (Mercurial <1.9). |
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176 else: |
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177 q += sorted(args.items()) |
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178 |
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179 qs = b'?%s' % urlreq.urlencode(q) |
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180 cu = b"%s%s" % (repobaseurl, qs) |
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181 size = 0 |
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182 if hasattr(data, 'length'): |
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183 size = data.length |
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184 elif data is not None: |
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185 size = len(data) |
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186 if data is not None and 'Content-Type' not in headers: |
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187 headers['Content-Type'] = 'application/mercurial-0.1' |
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188 |
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189 # Tell the server we accept application/mercurial-0.2 and multiple |
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190 # compression formats if the server is capable of emitting those |
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191 # payloads. |
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192 # Note: Keep this set empty by default, as client advertisement of |
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193 # protocol parameters should only occur after the handshake. |
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194 protoparams = set() |
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195 |
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196 mediatypes = set() |
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197 if caps is not None: |
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198 mt = capablefn(b'httpmediatype') |
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199 if mt: |
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200 protoparams.add(b'0.1') |
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201 mediatypes = set(mt.split(b',')) |
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202 |
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203 protoparams.add(b'partial-pull') |
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204 |
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205 if b'0.2tx' in mediatypes: |
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206 protoparams.add(b'0.2') |
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207 |
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208 if b'0.2tx' in mediatypes and capablefn(b'compression'): |
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209 # We /could/ compare supported compression formats and prune |
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210 # non-mutually supported or error if nothing is mutually supported. |
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211 # For now, send the full list to the server and have it error. |
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212 comps = [ |
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213 e.wireprotosupport().name |
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214 for e in util.compengines.supportedwireengines(util.CLIENTROLE) |
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215 ] |
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216 protoparams.add(b'comp=%s' % b','.join(comps)) |
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217 |
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218 if protoparams: |
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219 protoheaders = encodevalueinheaders( |
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220 b' '.join(sorted(protoparams)), b'X-HgProto', headersize or 1024 |
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221 ) |
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222 for header, value in protoheaders: |
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223 headers[header] = value |
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224 |
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225 varyheaders = [] |
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226 for header in headers: |
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227 if header.lower().startswith('x-hg'): |
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228 varyheaders.append(header) |
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229 |
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230 if varyheaders: |
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231 headers['Vary'] = ','.join(sorted(varyheaders)) |
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232 |
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233 req = requestbuilder(pycompat.strurl(cu), data, headers) |
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234 |
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235 if data is not None: |
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236 ui.debug(b"sending %d bytes\n" % size) |
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237 req.add_unredirected_header('Content-Length', '%d' % size) |
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238 |
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239 return req, cu, qs |
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240 |
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241 |
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242 def sendrequest(ui, opener, req): |
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243 """Send a prepared HTTP request. |
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244 |
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245 Returns the response object. |
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246 """ |
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247 dbg = ui.debug |
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248 if ui.debugflag and ui.configbool(b'devel', b'debug.peer-request'): |
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249 line = b'devel-peer-request: %s\n' |
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250 dbg( |
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251 line |
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252 % b'%s %s' |
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253 % ( |
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254 pycompat.bytesurl(req.get_method()), |
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255 pycompat.bytesurl(req.get_full_url()), |
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256 ) |
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257 ) |
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258 hgargssize = None |
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259 |
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260 for header, value in sorted(req.header_items()): |
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261 header = pycompat.bytesurl(header) |
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262 value = pycompat.bytesurl(value) |
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263 if header.startswith(b'X-hgarg-'): |
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264 if hgargssize is None: |
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265 hgargssize = 0 |
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266 hgargssize += len(value) |
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267 else: |
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268 dbg(line % b' %s %s' % (header, value)) |
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269 |
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270 if hgargssize is not None: |
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271 dbg( |
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272 line |
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273 % b' %d bytes of commands arguments in headers' |
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274 % hgargssize |
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275 ) |
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276 data = req.data |
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277 if data is not None: |
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278 length = getattr(data, 'length', None) |
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279 if length is None: |
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280 length = len(data) |
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281 dbg(line % b' %d bytes of data' % length) |
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282 |
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283 start = util.timer() |
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284 |
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285 res = None |
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286 try: |
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287 res = opener.open(req) |
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288 except urlerr.httperror as inst: |
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289 if inst.code == 401: |
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290 raise error.Abort(_(b'authorization failed')) |
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291 raise |
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292 except httplib.HTTPException as inst: |
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293 ui.debug( |
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294 b'http error requesting %s\n' |
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295 % urlutil.hidepassword(req.get_full_url()) |
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296 ) |
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297 ui.traceback() |
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298 raise IOError(None, inst) |
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299 finally: |
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300 if ui.debugflag and ui.configbool(b'devel', b'debug.peer-request'): |
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301 code = res.code if res else -1 |
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302 dbg( |
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303 line |
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304 % b' finished in %.4f seconds (%d)' |
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305 % (util.timer() - start, code) |
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306 ) |
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307 |
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308 # Insert error handlers for common I/O failures. |
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309 urlmod.wrapresponse(res) |
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310 |
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311 return res |
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312 |
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313 |
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314 class RedirectedRepoError(error.RepoError): |
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315 def __init__(self, msg, respurl): |
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316 super(RedirectedRepoError, self).__init__(msg) |
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317 self.respurl = respurl |
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318 |
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319 |
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321 # record the url we got redirected to |
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322 redirected = False |
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323 respurl = pycompat.bytesurl(resp.geturl()) |
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324 if respurl.endswith(qs): |
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325 respurl = respurl[: -len(qs)] |
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326 qsdropped = False |
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327 else: |
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328 qsdropped = True |
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329 |
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330 if baseurl.rstrip(b'/') != respurl.rstrip(b'/'): |
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331 redirected = True |
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332 if not ui.quiet: |
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333 ui.warn(_(b'real URL is %s\n') % respurl) |
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334 |
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335 try: |
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336 proto = pycompat.bytesurl(resp.getheader('content-type', '')) |
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337 except AttributeError: |
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338 proto = pycompat.bytesurl(resp.headers.get('content-type', '')) |
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339 |
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340 safeurl = urlutil.hidepassword(baseurl) |
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341 if proto.startswith(b'application/hg-error'): |
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342 raise error.OutOfBandError(resp.read()) |
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343 |
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344 # Pre 1.0 versions of Mercurial used text/plain and |
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345 # application/hg-changegroup. We don't support such old servers. |
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346 if not proto.startswith(b'application/mercurial-'): |
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347 ui.debug(b"requested URL: '%s'\n" % urlutil.hidepassword(requrl)) |
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348 msg = _( |
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349 b"'%s' does not appear to be an hg repository:\n" |
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350 b"---%%<--- (%s)\n%s\n---%%<---\n" |
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351 ) % (safeurl, proto or b'no content-type', resp.read(1024)) |
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352 |
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353 # Some servers may strip the query string from the redirect. We |
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354 # raise a special error type so callers can react to this specially. |
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355 if redirected and qsdropped: |
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356 raise RedirectedRepoError(msg, respurl) |
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357 else: |
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358 raise error.RepoError(msg) |
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359 |
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360 try: |
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361 subtype = proto.split(b'-', 1)[1] |
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362 |
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363 version_info = tuple([int(n) for n in subtype.split(b'.')]) |
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364 except ValueError: |
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365 raise error.RepoError( |
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366 _(b"'%s' sent a broken Content-Type header (%s)") % (safeurl, proto) |
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367 ) |
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368 |
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369 # TODO consider switching to a decompression reader that uses |
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370 # generators. |
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371 if version_info == (0, 1): |
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372 if compressible: |
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373 resp = util.compengines[b'zlib'].decompressorreader(resp) |
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374 |
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375 elif version_info == (0, 2): |
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376 # application/mercurial-0.2 always identifies the compression |
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377 # engine in the payload header. |
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378 elen = struct.unpack(b'B', util.readexactly(resp, 1))[0] |
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379 ename = util.readexactly(resp, elen) |
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380 engine = util.compengines.forwiretype(ename) |
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381 |
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382 resp = engine.decompressorreader(resp) |
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383 else: |
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384 raise error.RepoError( |
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385 _(b"'%s' uses newer protocol %s") % (safeurl, subtype) |
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386 ) |
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387 |
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388 return respurl, proto, resp |
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389 |
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390 |
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391 class httppeer(wireprotov1peer.wirepeer): |
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392 def __init__( |
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393 self, ui, path, url, opener, requestbuilder, caps, remotehidden=False |
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394 ): |
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395 super().__init__(ui, path=path, remotehidden=remotehidden) |
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396 self._url = url |
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397 self._caps = caps |
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398 self.limitedarguments = caps is not None and b'httppostargs' not in caps |
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399 self._urlopener = opener |
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400 self._requestbuilder = requestbuilder |
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401 self._remotehidden = remotehidden |
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402 |
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403 def __del__(self): |
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404 for h in self._urlopener.handlers: |
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405 h.close() |
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406 getattr(h, "close_all", lambda: None)() |
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407 |
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408 # Begin of ipeerconnection interface. |
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409 |
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410 def url(self): |
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411 return self.path.loc |
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412 |
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413 def local(self): |
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414 return None |
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415 |
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416 def canpush(self): |
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417 return True |
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418 |
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419 def close(self): |
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420 try: |
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421 reqs, sent, recv = ( |
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422 self._urlopener.requestscount, |
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423 self._urlopener.sentbytescount, |
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424 self._urlopener.receivedbytescount, |
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425 ) |
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426 except AttributeError: |
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427 return |
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428 self.ui.note( |
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429 _( |
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430 b'(sent %d HTTP requests and %d bytes; ' |
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431 b'received %d bytes in responses)\n' |
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432 ) |
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433 % (reqs, sent, recv) |
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434 ) |
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435 |
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436 # End of ipeerconnection interface. |
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437 |
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438 # Begin of ipeercommands interface. |
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439 |
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440 def capabilities(self): |
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441 return self._caps |
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442 |
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443 def _finish_inline_clone_bundle(self, stream): |
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444 # HTTP streams must hit the end to process the last empty |
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445 # chunk of Chunked-Encoding so the connection can be reused. |
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446 chunk = stream.read(1) |
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447 if chunk: |
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448 self._abort(error.ResponseError(_(b"unexpected response:"), chunk)) |
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449 |
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450 # End of ipeercommands interface. |
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451 |
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452 def _callstream(self, cmd, _compressible=False, **args): |
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453 args = pycompat.byteskwargs(args) |
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454 |
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455 req, cu, qs = makev1commandrequest( |
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456 self.ui, |
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457 self._requestbuilder, |
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458 self._caps, |
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459 self.capable, |
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460 self._url, |
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parents:
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changeset
|
461 cmd, |
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parents:
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diff
changeset
|
462 args, |
50444
315f537627c1
hidden: add support for --remote-hidden to HTTP peer
Manuel Jacob <me@manueljacob.de>
parents:
50440
diff
changeset
|
463 self._remotehidden, |
43076
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parents:
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diff
changeset
|
464 ) |
30763
a520aefb96f1
httppeer: advertise and support application/mercurial-0.2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30759
diff
changeset
|
465 |
37550
b5862ee01abe
httppeer: move error handling and response wrapping into sendrequest
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37549
diff
changeset
|
466 resp = sendrequest(self.ui, self._urlopener, req) |
32002
bf855efe5664
httppeer: wrap HTTPResponse.read() globally
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30924
diff
changeset
|
467 |
43076
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parents:
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changeset
|
468 self._url, ct, resp = parsev1commandresponse( |
2372284d9457
formatting: blacken the codebase
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parents:
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diff
changeset
|
469 self.ui, self._url, cu, qs, resp, _compressible |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
470 ) |
30464
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httppeer: do decompression inside _callstream
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30241
diff
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|
471 |
752 | 472 return resp |
60 | 473 |
11589
e8d22fe2ddab
protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents:
11588
diff
changeset
|
474 def _call(self, cmd, **args): |
e8d22fe2ddab
protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents:
11588
diff
changeset
|
475 fp = self._callstream(cmd, **args) |
2435
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2337
diff
changeset
|
476 try: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2337
diff
changeset
|
477 return fp.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2337
diff
changeset
|
478 finally: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2337
diff
changeset
|
479 # if using keepalive, allow connection to be reused |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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diff
changeset
|
480 fp.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2337
diff
changeset
|
481 |
11592
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
482 def _callpush(self, cmd, cg, **args): |
2465
c91118f425d0
push over http: client support.
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parents:
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diff
changeset
|
483 # have to stream bundle to a temp file because we do not have |
c91118f425d0
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parents:
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diff
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|
484 # http 1.1 chunked transfer. |
c91118f425d0
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parents:
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diff
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|
485 |
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parents:
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diff
changeset
|
486 types = self.capable(b'unbundle') |
3703
e674cae8efee
fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3662
diff
changeset
|
487 try: |
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parents:
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diff
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|
488 types = types.split(b',') |
3703
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fix push over HTTP to older servers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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diff
changeset
|
489 except AttributeError: |
14060
aaa9a5989405
bundle: more comments about the different header types, remove useless if
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
13819
diff
changeset
|
490 # servers older than d1b16a746db6 will send 'unbundle' as a |
aaa9a5989405
bundle: more comments about the different header types, remove useless if
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parents:
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diff
changeset
|
491 # boolean capability. They only support headerless/uncompressed |
aaa9a5989405
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parents:
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diff
changeset
|
492 # bundles. |
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|
493 types = [b""] |
14060
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bundle: more comments about the different header types, remove useless if
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parents:
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diff
changeset
|
494 for x in types: |
28666
ae53ecc47414
bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
28530
diff
changeset
|
495 if x in bundle2.bundletypes: |
14060
aaa9a5989405
bundle: more comments about the different header types, remove useless if
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parents:
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diff
changeset
|
496 type = x |
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parents:
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diff
changeset
|
497 break |
3613
cbf352b9a3cd
Client support for hgweb unbundle with versions.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3609
diff
changeset
|
498 |
28666
ae53ecc47414
bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
499 tempname = bundle2.writebundle(self.ui, cg, None, type) |
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parents:
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diff
changeset
|
500 fp = httpconnection.httpsendfile(self.ui, tempname, b"rb") |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
501 headers = {'Content-Type': 'application/mercurial-0.1'} |
11592
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
502 |
2465
c91118f425d0
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2447
diff
changeset
|
503 try: |
25085
e05734cd7902
httppeer: use try/except/finally
Matt Mackall <mpm@selenic.com>
parents:
23895
diff
changeset
|
504 r = self._call(cmd, data=fp, headers=headers, **args) |
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|
505 vals = r.split(b'\n', 1) |
25085
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httppeer: use try/except/finally
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parents:
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diff
changeset
|
506 if len(vals) < 2: |
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parents:
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|
507 raise error.ResponseError(_(b"unexpected response:"), r) |
25085
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httppeer: use try/except/finally
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parents:
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diff
changeset
|
508 return vals |
36430
efebfa9b4cab
httppeer: explicitly catch urlerr.httperror and re-raise
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
509 except urlerr.httperror: |
efebfa9b4cab
httppeer: explicitly catch urlerr.httperror and re-raise
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
510 # Catch and re-raise these so we don't try and treat them |
efebfa9b4cab
httppeer: explicitly catch urlerr.httperror and re-raise
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parents:
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diff
changeset
|
511 # like generic socket errors. They lack any values in |
efebfa9b4cab
httppeer: explicitly catch urlerr.httperror and re-raise
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
512 # .args on Python 3 which breaks our socket.error block. |
efebfa9b4cab
httppeer: explicitly catch urlerr.httperror and re-raise
Augie Fackler <augie@google.com>
parents:
36426
diff
changeset
|
513 raise |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25500
diff
changeset
|
514 except socket.error as err: |
25085
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
515 if err.args[0] in (errno.ECONNRESET, errno.EPIPE): |
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parents:
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diff
changeset
|
516 raise error.Abort(_(b'push failed: %s') % err.args[1]) |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25954
diff
changeset
|
517 raise error.Abort(err.args[1]) |
2465
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parents:
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diff
changeset
|
518 finally: |
c91118f425d0
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parents:
2447
diff
changeset
|
519 fp.close() |
c91118f425d0
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parents:
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diff
changeset
|
520 os.unlink(tempname) |
2439
e8c4f3d3df8c
extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2435
diff
changeset
|
521 |
21074
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
522 def _calltwowaystream(self, cmd, fp, **args): |
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
523 filename = None |
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
524 try: |
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
525 # dump bundle to disk |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
526 fd, filename = pycompat.mkstemp(prefix=b"hg-bundle-", suffix=b".hg") |
43503
313e3a279828
cleanup: remove pointless r-prefixes on double-quoted strings
Augie Fackler <augie@google.com>
parents:
43117
diff
changeset
|
527 with os.fdopen(fd, "wb") as fh: |
21074
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
528 d = fp.read(4096) |
42852
58f73e9ccfff
httppeer: use context manager when writing temporary bundle to send
Martin von Zweigbergk <martinvonz@google.com>
parents:
42814
diff
changeset
|
529 while d: |
58f73e9ccfff
httppeer: use context manager when writing temporary bundle to send
Martin von Zweigbergk <martinvonz@google.com>
parents:
42814
diff
changeset
|
530 fh.write(d) |
58f73e9ccfff
httppeer: use context manager when writing temporary bundle to send
Martin von Zweigbergk <martinvonz@google.com>
parents:
42814
diff
changeset
|
531 d = fp.read(4096) |
21074
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
532 # start http push |
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Augie Fackler <augie@google.com>
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diff
changeset
|
533 with httpconnection.httpsendfile(self.ui, filename, b"rb") as fp_: |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43503
diff
changeset
|
534 headers = {'Content-Type': 'application/mercurial-0.1'} |
42853
37debb6771f5
httppeer: use context manager when reading temporary bundle to send
Martin von Zweigbergk <martinvonz@google.com>
parents:
42852
diff
changeset
|
535 return self._callstream(cmd, data=fp_, headers=headers, **args) |
21074
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
536 finally: |
42852
58f73e9ccfff
httppeer: use context manager when writing temporary bundle to send
Martin von Zweigbergk <martinvonz@google.com>
parents:
42814
diff
changeset
|
537 if filename is not None: |
21074
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
538 os.unlink(filename) |
f8a0d82b0463
httppeer: support for _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20905
diff
changeset
|
539 |
20905
167047ba3cfa
wireproto: drop the _decompress method in favor a new call type
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
18742
diff
changeset
|
540 def _callcompressable(self, cmd, **args): |
30464
e16e234b9ca3
httppeer: do decompression inside _callstream
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30241
diff
changeset
|
541 return self._callstream(cmd, _compressible=True, **args) |
11370 | 542 |
21188
d36440d84328
httppeer: reintroduce _abort that accidentally was removed in 167047ba3cfa
Mads Kiilerich <madski@unity3d.com>
parents:
21074
diff
changeset
|
543 def _abort(self, exception): |
d36440d84328
httppeer: reintroduce _abort that accidentally was removed in 167047ba3cfa
Mads Kiilerich <madski@unity3d.com>
parents:
21074
diff
changeset
|
544 raise exception |
d36440d84328
httppeer: reintroduce _abort that accidentally was removed in 167047ba3cfa
Mads Kiilerich <madski@unity3d.com>
parents:
21074
diff
changeset
|
545 |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
546 |
48835
a0da5075bca3
cleanup: directly use concurrent.futures instead of via pycompat
Augie Fackler <augie@google.com>
parents:
48526
diff
changeset
|
547 class queuedcommandfuture(futures.Future): |
37651
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
548 """Wraps result() on command futures to trigger submission on call.""" |
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37644
diff
changeset
|
549 |
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
550 def result(self, timeout=None): |
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37644
diff
changeset
|
551 if self.done(): |
48835
a0da5075bca3
cleanup: directly use concurrent.futures instead of via pycompat
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
552 return futures.Future.result(self, timeout) |
37651
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httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
553 |
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37644
diff
changeset
|
554 self._peerexecutor.sendcommands() |
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37644
diff
changeset
|
555 |
950294e28136
httppeer: implement command executor for version 2 peer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
556 # sendcommands() will restore the original __class__ and self.result |
950294e28136
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parents:
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diff
changeset
|
557 # will resolve to Future.result. |
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diff
changeset
|
558 return self.result(timeout) |
950294e28136
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
37644
diff
changeset
|
559 |
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Augie Fackler <augie@google.com>
parents:
42853
diff
changeset
|
560 |
37552
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
561 def performhandshake(ui, url, opener, requestbuilder): |
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
562 # The handshake is a request to the capabilities command. |
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
563 |
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
564 caps = None |
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changeset
|
565 |
37552
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
566 def capable(x): |
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|
567 raise error.ProgrammingError(b'should not be called') |
37552
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
568 |
37558
8a73132214a3
httppeer: support protocol upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37556
diff
changeset
|
569 args = {} |
8a73132214a3
httppeer: support protocol upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37556
diff
changeset
|
570 |
43076
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changeset
|
571 req, requrl, qs = makev1commandrequest( |
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parents:
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changeset
|
572 ui, requestbuilder, caps, capable, url, b'capabilities', args |
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parents:
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diff
changeset
|
573 ) |
37552
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
574 resp = sendrequest(ui, opener, req) |
8b8a845c85fc
httppeer: perform capabilities request in makepeer()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37551
diff
changeset
|
575 |
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576 # The server may redirect us to the repo root, stripping the |
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577 # ?cmd=capabilities query string from the URL. The server would likely |
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578 # return HTML in this case and ``parsev1commandresponse()`` would raise. |
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579 # We catch this special case and re-issue the capabilities request against |
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580 # the new URL. |
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581 # |
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582 # We should ideally not do this, as a redirect that drops the query |
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583 # string from the URL is arguably a server bug. (Garbage in, garbage out). |
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584 # However, Mercurial clients for several years appeared to handle this |
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585 # issue without behavior degradation. And according to issue 5860, it may |
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586 # be a longstanding bug in some server implementations. So we allow a |
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587 # redirect that drops the query string to "just work." |
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588 try: |
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589 respurl, ct, resp = parsev1commandresponse( |
48526 | 590 ui, url, requrl, qs, resp, compressible=False |
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591 ) |
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592 except RedirectedRepoError as e: |
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593 req, requrl, qs = makev1commandrequest( |
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594 ui, requestbuilder, caps, capable, e.respurl, b'capabilities', args |
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595 ) |
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596 resp = sendrequest(ui, opener, req) |
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597 respurl, ct, resp = parsev1commandresponse( |
48526 | 598 ui, url, requrl, qs, resp, compressible=False |
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599 ) |
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600 |
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601 try: |
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602 rawdata = resp.read() |
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603 finally: |
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604 resp.close() |
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605 |
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606 if not ct.startswith(b'application/mercurial-'): |
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607 raise error.ProgrammingError(b'unexpected content-type: %s' % ct) |
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608 |
48526 | 609 info = {b'v1capabilities': set(rawdata.split())} |
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610 |
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611 return respurl, info |
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612 |
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613 |
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614 def _make_peer( |
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615 ui, path, opener=None, requestbuilder=urlreq.request, remotehidden=False |
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616 ): |
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617 """Construct an appropriate HTTP peer instance. |
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618 |
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619 ``opener`` is an ``url.opener`` that should be used to establish |
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620 connections, perform HTTP requests. |
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621 |
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622 ``requestbuilder`` is the type used for constructing HTTP requests. |
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623 It exists as an argument so extensions can override the default. |
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624 """ |
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625 if path.url.query or path.url.fragment: |
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626 msg = _(b'unsupported URL component: "%s"') |
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627 msg %= path.url.query or path.url.fragment |
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628 raise error.Abort(msg) |
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629 |
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630 # urllib cannot handle URLs with embedded user or passwd. |
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631 url, authinfo = path.url.authinfo() |
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632 ui.debug(b'using %s\n' % url) |
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633 |
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634 opener = opener or urlmod.opener(ui, authinfo) |
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635 |
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636 respurl, info = performhandshake(ui, url, opener, requestbuilder) |
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637 |
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638 return httppeer( |
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639 ui, |
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640 path, |
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641 respurl, |
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642 opener, |
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643 requestbuilder, |
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644 info[b'v1capabilities'], |
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645 remotehidden=remotehidden, |
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646 ) |
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647 |
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648 |
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649 def make_peer( |
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650 ui, path, create, intents=None, createopts=None, remotehidden=False |
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651 ): |
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652 if create: |
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653 raise error.Abort(_(b'cannot create new http repository')) |
7211 | 654 try: |
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655 if path.url.scheme == b'https' and not urlmod.has_https: |
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656 raise error.Abort( |
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657 _(b'Python support for SSL and HTTPS is not installed') |
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658 ) |
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659 |
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660 inst = _make_peer(ui, path, remotehidden=remotehidden) |
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661 |
7211 | 662 return inst |
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663 except error.RepoError as httpexception: |
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664 try: |
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665 path = path.copy(new_raw_location=b"static-" + path.rawloc) |
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666 r = statichttprepo.make_peer(ui, path, create) |
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667 ui.note(_(b'(falling back to static-http)\n')) |
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668 return r |
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669 except error.RepoError: |
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670 raise httpexception # use the original http RepoError instead |