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annotate mercurial/urllibcompat.py @ 36884:ece242db5000

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hgweb: use templater on requestcontext instance After this commit, all @webcommand function no longer use their "tmpl" argument. Instead, they use the templater attached to the requestcontext. This is the same exact object. So there should be no difference in behavior. Differential Revision: https://phab.mercurial-scm.org/D2800
author Gregory Szorc <gregory.szorc@gmail.com>
date Sat, 10 Mar 2018 20:38:28 -0800
parents 5bc7ff103081
children 5774fc623a18
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # urllibcompat.py - adapters to ease using urllib2 on Py2 and urllib on Py3
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2 #
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3 # Copyright 2017 Google, Inc.
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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 from __future__ import absolute_import
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8
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9 from . import pycompat
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10
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11 _sysstr = pycompat.sysstr
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12
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13 class _pycompatstub(object):
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14 def __init__(self):
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15 self._aliases = {}
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16
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17 def _registeraliases(self, origin, items):
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18 """Add items that will be populated at the first access"""
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19 items = map(_sysstr, items)
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20 self._aliases.update(
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21 (item.replace(r'_', r'').lower(), (origin, item))
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22 for item in items)
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23
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24 def _registeralias(self, origin, attr, name):
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25 """Alias ``origin``.``attr`` as ``name``"""
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26 self._aliases[_sysstr(name)] = (origin, _sysstr(attr))
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27
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28 def __getattr__(self, name):
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29 try:
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30 origin, item = self._aliases[name]
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31 except KeyError:
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32 raise AttributeError(name)
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33 self.__dict__[name] = obj = getattr(origin, item)
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34 return obj
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35
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36 httpserver = _pycompatstub()
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37 urlreq = _pycompatstub()
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38 urlerr = _pycompatstub()
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39
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40 if pycompat.ispy3:
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41 import urllib.parse
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42 urlreq._registeraliases(urllib.parse, (
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43 "splitattr",
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44 "splitpasswd",
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45 "splitport",
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46 "splituser",
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47 "urlparse",
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48 "urlunparse",
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49 ))
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50 urlreq._registeralias(urllib.parse, "parse_qs", "parseqs")
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51 urlreq._registeralias(urllib.parse, "parse_qsl", "parseqsl")
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52 urlreq._registeralias(urllib.parse, "unquote_to_bytes", "unquote")
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53 import urllib.request
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54 urlreq._registeraliases(urllib.request, (
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55 "AbstractHTTPHandler",
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56 "BaseHandler",
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57 "build_opener",
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58 "FileHandler",
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59 "FTPHandler",
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60 "ftpwrapper",
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61 "HTTPHandler",
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62 "HTTPSHandler",
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63 "install_opener",
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64 "pathname2url",
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65 "HTTPBasicAuthHandler",
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66 "HTTPDigestAuthHandler",
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67 "HTTPPasswordMgrWithDefaultRealm",
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68 "ProxyHandler",
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69 "Request",
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70 "url2pathname",
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71 "urlopen",
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72 ))
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73 import urllib.response
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74 urlreq._registeraliases(urllib.response, (
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75 "addclosehook",
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76 "addinfourl",
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77 ))
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78 import urllib.error
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79 urlerr._registeraliases(urllib.error, (
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80 "HTTPError",
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81 "URLError",
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82 ))
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83 import http.server
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84 httpserver._registeraliases(http.server, (
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85 "HTTPServer",
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86 "BaseHTTPRequestHandler",
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87 "SimpleHTTPRequestHandler",
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88 "CGIHTTPRequestHandler",
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89 ))
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90
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91 # urllib.parse.quote() accepts both str and bytes, decodes bytes
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92 # (if necessary), and returns str. This is wonky. We provide a custom
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93 # implementation that only accepts bytes and emits bytes.
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94 def quote(s, safe=r'/'):
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95 s = urllib.parse.quote_from_bytes(s, safe=safe)
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96 return s.encode('ascii', 'strict')
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97
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98 # urllib.parse.urlencode() returns str. We use this function to make
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99 # sure we return bytes.
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100 def urlencode(query, doseq=False):
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101 s = urllib.parse.urlencode(query, doseq=doseq)
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102 return s.encode('ascii')
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103
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104 urlreq.quote = quote
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105 urlreq.urlencode = urlencode
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106
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107 def getfullurl(req):
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108 return req.full_url
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109
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110 def gethost(req):
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111 return req.host
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112
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113 def getselector(req):
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114 return req.selector
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115
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116 def getdata(req):
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117 return req.data
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118
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119 def hasdata(req):
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120 return req.data is not None
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121 else:
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122 import BaseHTTPServer
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123 import CGIHTTPServer
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124 import SimpleHTTPServer
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125 import urllib2
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126 import urllib
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127 import urlparse
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128 urlreq._registeraliases(urllib, (
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129 "addclosehook",
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130 "addinfourl",
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131 "ftpwrapper",
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132 "pathname2url",
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133 "quote",
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134 "splitattr",
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135 "splitpasswd",
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136 "splitport",
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137 "splituser",
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138 "unquote",
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139 "url2pathname",
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140 "urlencode",
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141 ))
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142 urlreq._registeraliases(urllib2, (
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143 "AbstractHTTPHandler",
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144 "BaseHandler",
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145 "build_opener",
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146 "FileHandler",
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147 "FTPHandler",
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148 "HTTPBasicAuthHandler",
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149 "HTTPDigestAuthHandler",
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150 "HTTPHandler",
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151 "HTTPPasswordMgrWithDefaultRealm",
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152 "HTTPSHandler",
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153 "install_opener",
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154 "ProxyHandler",
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155 "Request",
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156 "urlopen",
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157 ))
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158 urlreq._registeraliases(urlparse, (
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159 "urlparse",
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160 "urlunparse",
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161 ))
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162 urlreq._registeralias(urlparse, "parse_qs", "parseqs")
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163 urlreq._registeralias(urlparse, "parse_qsl", "parseqsl")
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164 urlerr._registeraliases(urllib2, (
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165 "HTTPError",
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166 "URLError",
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167 ))
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168 httpserver._registeraliases(BaseHTTPServer, (
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169 "HTTPServer",
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170 "BaseHTTPRequestHandler",
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171 ))
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172 httpserver._registeraliases(SimpleHTTPServer, (
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173 "SimpleHTTPRequestHandler",
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174 ))
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175 httpserver._registeraliases(CGIHTTPServer, (
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176 "CGIHTTPRequestHandler",
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177 ))
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178
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179 def gethost(req):
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180 return req.get_host()
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181
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182 def getselector(req):
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183 return req.get_selector()
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184
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185 def getfullurl(req):
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186 return req.get_full_url()
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187
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188 def getdata(req):
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189 return req.get_data()
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190
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191 def hasdata(req):
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192 return req.has_data()