How to use _install_from_egg method in autotest

Best Python code snippet using autotest_python

external_packages.py

Source:external_packages.py Github

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...145 """For use as a _build_and_install_current_dir implementation."""146 egg_path = self._build_egg_using_setup_py(setup_py='setup.py')147 if not egg_path:148 return False149 return self._install_from_egg(install_dir, egg_path)150 def _build_and_install_current_dir_setupegg_py(self, install_dir):151 """For use as a _build_and_install_current_dir implementation."""152 egg_path = self._build_egg_using_setup_py(setup_py='setupegg.py')153 if not egg_path:154 return False155 return self._install_from_egg(install_dir, egg_path)156 def _build_and_install_current_dir_noegg(self, install_dir):157 if not self._build_using_setup_py():158 return False159 return self._install_using_setup_py_and_rsync(install_dir)160 def _build_and_install_from_package(self, install_dir):161 """162 This method may be used as a _build_and_install() implementation163 for subclasses if they implement _build_and_install_current_dir().164 Extracts the .tar.gz file, chdirs into the extracted directory165 (which is assumed to match the tar filename) and calls166 _build_and_isntall_current_dir from there.167 Afterwards the build (regardless of failure) extracted .tar.gz168 directory is cleaned up.169 :return: True on success, False otherwise.170 :raise OSError If the expected extraction directory does not exist.171 """172 self._extract_compressed_package()173 if self.verified_package.endswith('.tar.gz'):174 extension = '.tar.gz'175 elif self.verified_package.endswith('.tar.bz2'):176 extension = '.tar.bz2'177 elif self.verified_package.endswith('.zip'):178 extension = '.zip'179 else:180 raise Error('Unexpected package file extension on %s' %181 self.verified_package)182 os.chdir(os.path.dirname(self.verified_package))183 os.chdir(self.local_filename[:-len(extension)])184 extracted_dir = os.getcwd()185 try:186 return self._build_and_install_current_dir(install_dir)187 finally:188 os.chdir(os.path.join(extracted_dir, '..'))189 shutil.rmtree(extracted_dir)190 def _extract_compressed_package(self):191 """Extract the fetched compressed .tar or .zip within its directory."""192 if not self.verified_package:193 raise Error('Package must have been fetched first.')194 os.chdir(os.path.dirname(self.verified_package))195 if self.verified_package.endswith('gz'):196 status = system("tar -xzf '%s'" % self.verified_package)197 elif self.verified_package.endswith('bz2'):198 status = system("tar -xjf '%s'" % self.verified_package)199 elif self.verified_package.endswith('zip'):200 status = system("unzip '%s'" % self.verified_package)201 else:202 raise Error('Unknown compression suffix on %s.' %203 self.verified_package)204 if status:205 raise Error('tar failed with %s' % (status,))206 def _build_using_setup_py(self, setup_py='setup.py'):207 """208 Assuming the cwd is the extracted python package, execute a simple209 python setup.py build.210 :param setup_py - The name of the setup.py file to execute.211 :return: True on success, False otherwise.212 """213 if not os.path.exists(setup_py):214 raise Error('%s does not exist in %s' % (setup_py, os.getcwd()))215 status = system("'%s' %s build" % (sys.executable, setup_py))216 if status:217 logging.error('%s build failed.' % self.name)218 return False219 return True220 def _build_egg_using_setup_py(self, setup_py='setup.py'):221 """222 Assuming the cwd is the extracted python package, execute a simple223 python setup.py bdist_egg.224 :param setup_py - The name of the setup.py file to execute.225 :return: The relative path to the resulting egg file or '' on failure.226 """227 if not os.path.exists(setup_py):228 raise Error('%s does not exist in %s' % (setup_py, os.getcwd()))229 egg_subdir = 'dist'230 if os.path.isdir(egg_subdir):231 shutil.rmtree(egg_subdir)232 status = system("'%s' %s bdist_egg" % (sys.executable, setup_py))233 if status:234 logging.error('bdist_egg of setuptools failed.')235 return ''236 # I've never seen a bdist_egg lay multiple .egg files.237 for filename in os.listdir(egg_subdir):238 if filename.endswith('.egg'):239 return os.path.join(egg_subdir, filename)240 def _install_from_egg(self, install_dir, egg_path):241 """242 Install a module from an egg file by unzipping the necessary parts243 into install_dir.244 :param install_dir - The installation directory.245 :param egg_path - The pathname of the egg file.246 """247 status = system("unzip -q -o -d '%s' '%s'" % (install_dir, egg_path))248 if status:249 logging.error('unzip of %s failed', egg_path)250 return False251 egg_info = os.path.join(install_dir, 'EGG-INFO')252 if os.path.isdir(egg_info):253 shutil.rmtree(egg_info)254 return True...

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