Mercurial > repos > bcclaywell > argo_navis

annotate venv/lib/python2.7/site-packages/pip/commands/zip.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 from __future__ import absolute_import
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2
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3 import sys
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4 import re
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5 import fnmatch
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6 import logging
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7 import os
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8 import shutil
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9 import warnings
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10 import zipfile
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11
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12 from pip.utils import display_path, backup_dir, rmtree
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13 from pip.utils.deprecation import RemovedInPip7Warning
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14 from pip.utils.logging import indent_log
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15 from pip.exceptions import InstallationError
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16 from pip.basecommand import Command
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17
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18
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19 logger = logging.getLogger(__name__)
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20
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21
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22 class ZipCommand(Command):
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23 """Zip individual packages."""
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24 name = 'zip'
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25 usage = """
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26 %prog [options] <package> ..."""
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27 summary = 'DEPRECATED. Zip individual packages.'
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28
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29 def __init__(self, *args, **kw):
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30 super(ZipCommand, self).__init__(*args, **kw)
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31 if self.name == 'zip':
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32 self.cmd_opts.add_option(
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33 '--unzip',
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34 action='store_true',
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35 dest='unzip',
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36 help='Unzip (rather than zip) a package.')
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37 else:
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38 self.cmd_opts.add_option(
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39 '--zip',
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40 action='store_false',
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41 dest='unzip',
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42 default=True,
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43 help='Zip (rather than unzip) a package.')
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44 self.cmd_opts.add_option(
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45 '--no-pyc',
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46 action='store_true',
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47 dest='no_pyc',
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48 help=(
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49 'Do not include .pyc files in zip files (useful on Google App '
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50 'Engine).'),
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51 )
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52 self.cmd_opts.add_option(
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53 '-l', '--list',
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54 action='store_true',
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55 dest='list',
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56 help='List the packages available, and their zip status.')
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57 self.cmd_opts.add_option(
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58 '--sort-files',
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59 action='store_true',
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60 dest='sort_files',
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61 help=('With --list, sort packages according to how many files they'
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62 ' contain.'),
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63 )
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64 self.cmd_opts.add_option(
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65 '--path',
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66 action='append',
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67 dest='paths',
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68 help=('Restrict operations to the given paths (may include '
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69 'wildcards).'),
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70 )
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71 self.cmd_opts.add_option(
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72 '-n', '--simulate',
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73 action='store_true',
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74 help='Do not actually perform the zip/unzip operation.')
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75
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76 self.parser.insert_option_group(0, self.cmd_opts)
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77
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78 def paths(self):
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79 """All the entries of sys.path, possibly restricted by --path"""
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80 if not self.select_paths:
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81 return sys.path
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82 result = []
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83 match_any = set()
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84 for path in sys.path:
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85 path = os.path.normcase(os.path.abspath(path))
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86 for match in self.select_paths:
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87 match = os.path.normcase(os.path.abspath(match))
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88 if '*' in match:
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89 if re.search(fnmatch.translate(match + '*'), path):
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90 result.append(path)
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91 match_any.add(match)
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92 break
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93 else:
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94 if path.startswith(match):
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95 result.append(path)
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96 match_any.add(match)
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97 break
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98 else:
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99 logger.debug(
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100 "Skipping path %s because it doesn't match %s",
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101 path,
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102 ', '.join(self.select_paths),
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103 )
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104 for match in self.select_paths:
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105 if match not in match_any and '*' not in match:
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106 result.append(match)
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107 logger.debug(
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108 "Adding path %s because it doesn't match "
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109 "anything already on sys.path",
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110 match,
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111 )
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112 return result
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113
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114 def run(self, options, args):
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115
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116 warnings.warn(
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117 "'pip zip' and 'pip unzip` are deprecated, and will be removed in "
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118 "a future release.",
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119 RemovedInPip7Warning,
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120 )
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121
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122 self.select_paths = options.paths
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123 self.simulate = options.simulate
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124 if options.list:
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125 return self.list(options, args)
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126 if not args:
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127 raise InstallationError(
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128 'You must give at least one package to zip or unzip')
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129 packages = []
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130 for arg in args:
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131 module_name, filename = self.find_package(arg)
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132 if options.unzip and os.path.isdir(filename):
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133 raise InstallationError(
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134 'The module %s (in %s) is not a zip file; cannot be '
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135 'unzipped' % (module_name, filename)
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136 )
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137 elif not options.unzip and not os.path.isdir(filename):
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138 raise InstallationError(
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139 'The module %s (in %s) is not a directory; cannot be '
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140 'zipped' % (module_name, filename)
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141 )
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142 packages.append((module_name, filename))
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143 last_status = None
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144 for module_name, filename in packages:
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145 if options.unzip:
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146 last_status = self.unzip_package(module_name, filename)
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147 else:
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148 last_status = self.zip_package(
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149 module_name, filename, options.no_pyc
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150 )
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151 return last_status
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152
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153 def unzip_package(self, module_name, filename):
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154 zip_filename = os.path.dirname(filename)
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155 if (not os.path.isfile(zip_filename) and
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156 zipfile.is_zipfile(zip_filename)):
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157 raise InstallationError(
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158 'Module %s (in %s) isn\'t located in a zip file in %s'
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159 % (module_name, filename, zip_filename))
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160 package_path = os.path.dirname(zip_filename)
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161 if package_path not in self.paths():
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162 logger.warning(
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163 'Unpacking %s into %s, but %s is not on sys.path',
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164 display_path(zip_filename),
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165 display_path(package_path),
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166 display_path(package_path),
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167 )
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168 logger.info(
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169 'Unzipping %s (in %s)', module_name, display_path(zip_filename),
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170 )
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171 if self.simulate:
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172 logger.info(
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173 'Skipping remaining operations because of --simulate'
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174 )
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175 return
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176
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177 with indent_log():
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178 # FIXME: this should be undoable:
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179 zip = zipfile.ZipFile(zip_filename)
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180 to_save = []
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181 for info in zip.infolist():
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182 name = info.filename
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183 if name.startswith(module_name + os.path.sep):
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184 content = zip.read(name)
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185 dest = os.path.join(package_path, name)
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186 if not os.path.exists(os.path.dirname(dest)):
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187 os.makedirs(os.path.dirname(dest))
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188 if not content and dest.endswith(os.path.sep):
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189 if not os.path.exists(dest):
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190 os.makedirs(dest)
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191 else:
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192 with open(dest, 'wb') as f:
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193 f.write(content)
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194 else:
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195 to_save.append((name, zip.read(name)))
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196 zip.close()
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197 if not to_save:
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198 logger.debug(
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199 'Removing now-empty zip file %s',
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200 display_path(zip_filename)
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201 )
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202 os.unlink(zip_filename)
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203 self.remove_filename_from_pth(zip_filename)
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204 else:
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205 logger.debug(
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206 'Removing entries in %s/ from zip file %s',
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207 module_name,
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208 display_path(zip_filename),
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209 )
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210 zip = zipfile.ZipFile(zip_filename, 'w')
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211 for name, content in to_save:
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212 zip.writestr(name, content)
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213 zip.close()
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214
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215 def zip_package(self, module_name, filename, no_pyc):
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216 logger.info('Zip %s (in %s)', module_name, display_path(filename))
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217
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218 orig_filename = filename
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219 if filename.endswith('.egg'):
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220 dest_filename = filename
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221 else:
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222 dest_filename = filename + '.zip'
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223
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224 with indent_log():
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225 # FIXME: I think this needs to be undoable:
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226 if filename == dest_filename:
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227 filename = backup_dir(orig_filename)
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228 logger.info(
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229 'Moving %s aside to %s', orig_filename, filename,
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230 )
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231 if not self.simulate:
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232 shutil.move(orig_filename, filename)
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233 try:
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234 logger.debug(
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235 'Creating zip file in %s', display_path(dest_filename),
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236 )
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237 if not self.simulate:
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238 zip = zipfile.ZipFile(dest_filename, 'w')
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239 zip.writestr(module_name + '/', '')
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240 for dirpath, dirnames, filenames in os.walk(filename):
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241 if no_pyc:
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242 filenames = [f for f in filenames
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243 if not f.lower().endswith('.pyc')]
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244 for fns, is_dir in [
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245 (dirnames, True), (filenames, False)]:
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246 for fn in fns:
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247 full = os.path.join(dirpath, fn)
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248 dest = os.path.join(
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249 module_name,
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250 dirpath[len(filename):].lstrip(
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251 os.path.sep
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252 ),
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253 fn,
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254 )
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255 if is_dir:
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256 zip.writestr(dest + '/', '')
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257 else:
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258 zip.write(full, dest)
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259 zip.close()
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260 logger.debug(
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261 'Removing old directory %s', display_path(filename),
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262 )
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263 if not self.simulate:
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264 rmtree(filename)
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265 except:
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266 # FIXME: need to do an undo here
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267 raise
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268 # FIXME: should also be undone:
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269 self.add_filename_to_pth(dest_filename)
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270
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271 def remove_filename_from_pth(self, filename):
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272 for pth in self.pth_files():
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273 with open(pth, 'r') as f:
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274 lines = f.readlines()
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275 new_lines = [
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276 l for l in lines if l.strip() != filename]
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277 if lines != new_lines:
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278 logger.debug(
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279 'Removing reference to %s from .pth file %s',
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280 display_path(filename),
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281 display_path(pth),
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282 )
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283 if not [line for line in new_lines if line]:
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284 logger.debug(
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285 '%s file would be empty: deleting', display_path(pth)
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286 )
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287 if not self.simulate:
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288 os.unlink(pth)
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289 else:
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290 if not self.simulate:
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291 with open(pth, 'wb') as f:
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292 f.writelines(new_lines)
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293 return
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294 logger.warning(
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295 'Cannot find a reference to %s in any .pth file',
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296 display_path(filename),
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297 )
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298
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299 def add_filename_to_pth(self, filename):
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300 path = os.path.dirname(filename)
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301 dest = filename + '.pth'
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302 if path not in self.paths():
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303 logger.warning(
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304 'Adding .pth file %s, but it is not on sys.path',
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305 display_path(dest),
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306 )
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307 if not self.simulate:
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308 if os.path.exists(dest):
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309 with open(dest) as f:
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310 lines = f.readlines()
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311 if lines and not lines[-1].endswith('\n'):
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312 lines[-1] += '\n'
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313 lines.append(filename + '\n')
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314 else:
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315 lines = [filename + '\n']
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316 with open(dest, 'wb') as f:
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317 f.writelines(lines)
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318
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319 def pth_files(self):
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320 for path in self.paths():
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321 if not os.path.exists(path) or not os.path.isdir(path):
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322 continue
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323 for filename in os.listdir(path):
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324 if filename.endswith('.pth'):
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325 yield os.path.join(path, filename)
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326
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327 def find_package(self, package):
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328 for path in self.paths():
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329 full = os.path.join(path, package)
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330 if os.path.exists(full):
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331 return package, full
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332 if not os.path.isdir(path) and zipfile.is_zipfile(path):
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333 zip = zipfile.ZipFile(path, 'r')
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334 try:
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335 zip.read(os.path.join(package, '__init__.py'))
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336 except KeyError:
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337 pass
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338 else:
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339 zip.close()
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340 return package, full
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341 zip.close()
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342 # FIXME: need special error for package.py case:
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343 raise InstallationError(
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344 'No package with the name %s found' % package)
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345
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346 def list(self, options, args):
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347 if args:
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348 raise InstallationError(
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349 'You cannot give an argument with --list')
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350 for path in sorted(self.paths()):
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351 if not os.path.exists(path):
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352 continue
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353 basename = os.path.basename(path.rstrip(os.path.sep))
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354 if os.path.isfile(path) and zipfile.is_zipfile(path):
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355 if os.path.dirname(path) not in self.paths():
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356 logger.info('Zipped egg: %s', display_path(path))
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357 continue
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358 if (basename != 'site-packages' and
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359 basename != 'dist-packages' and not
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360 path.replace('\\', '/').endswith('lib/python')):
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361 continue
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362 logger.info('In %s:', display_path(path))
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363
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364 with indent_log():
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365 zipped = []
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366 unzipped = []
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367
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368 for filename in sorted(os.listdir(path)):
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369 ext = os.path.splitext(filename)[1].lower()
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370 if ext in ('.pth', '.egg-info', '.egg-link'):
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371 continue
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372 if ext == '.py':
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373 logger.debug(
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374 'Not displaying %s: not a package',
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375 display_path(filename)
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376 )
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377 continue
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378 full = os.path.join(path, filename)
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379 if os.path.isdir(full):
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380 unzipped.append((filename, self.count_package(full)))
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381 elif zipfile.is_zipfile(full):
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382 zipped.append(filename)
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383 else:
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384 logger.debug(
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385 'Unknown file: %s', display_path(filename),
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386 )
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387 if zipped:
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388 logger.info('Zipped packages:')
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389 with indent_log():
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390 for filename in zipped:
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391 logger.info(filename)
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392 else:
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393 logger.info('No zipped packages.')
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394 if unzipped:
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395 if options.sort_files:
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396 unzipped.sort(key=lambda x: -x[1])
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397 logger.info('Unzipped packages:')
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398 with indent_log():
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399 for filename, count in unzipped:
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400 logger.info('%s (%i files)', filename, count)
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401 else:
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402 logger.info('No unzipped packages.')
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403
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404 def count_package(self, path):
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405 total = 0
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406 for dirpath, dirnames, filenames in os.walk(path):
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407 filenames = [f for f in filenames
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408 if not f.lower().endswith('.pyc')]
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409 total += len(filenames)
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410 return total