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How to use _extract_compressed_package method in autotest

Best Python code snippet using autotest_python
external_packages.py
Source:external_packages.py
...168        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 True255    def _get_temp_dir(self):256        return tempfile.mkdtemp(dir='/var/tmp')257    def _site_packages_path(self, temp_dir):258        # This makes assumptions about what python setup.py install259        # does when given a prefix.  Is this always correct?260        python_xy = 'python%s' % sys.version[:3]261        return os.path.join(temp_dir, 'lib', python_xy, 'site-packages')262    def _install_using_setup_py_and_rsync(self, install_dir,263                                          setup_py='setup.py',264                                          temp_dir=None):265        """266        Assuming the cwd is the extracted python package, execute a simple:267          python setup.py install --prefix=BLA268        BLA will be a temporary directory that everything installed will269        be picked out of and rsynced to the appropriate place under270        install_dir afterwards.271        Afterwards, it deconstructs the extra lib/pythonX.Y/site-packages/272        directory tree that setuptools created and moves all installed273        site-packages directly up into install_dir itself.274        :param install_dir the directory for the install to happen under.275        :param setup_py - The name of the setup.py file to execute.276        :return: True on success, False otherwise.277        """278        if not os.path.exists(setup_py):279            raise Error('%s does not exist in %s' % (setup_py, os.getcwd()))280        if temp_dir is None:281            temp_dir = self._get_temp_dir()282        try:283            status = system("'%s' %s install --no-compile --prefix='%s'"284                            % (sys.executable, setup_py, temp_dir))285            if status:286                logging.error('%s install failed.' % self.name)287                return False288            if os.path.isdir(os.path.join(temp_dir, 'lib')):289                # NOTE: This ignores anything outside of the lib/ dir that290                # was installed.291                temp_site_dir = self._site_packages_path(temp_dir)292            else:293                temp_site_dir = temp_dir294            status = system("rsync -r '%s/' '%s/'" %295                            (temp_site_dir, install_dir))296            if status:297                logging.error('%s rsync to install_dir failed.' % self.name)298                return False299            return True300        finally:301            shutil.rmtree(temp_dir)302    def _build_using_make(self, install_dir):303        """Build the current package using configure/make.304        :return: True on success, False otherwise.305        """306        install_prefix = os.path.join(install_dir, 'usr', 'local')307        status = system('./configure --prefix=%s' % install_prefix)308        if status:309            logging.error('./configure failed for %s', self.name)310            return False311        status = system('make')312        if status:313            logging.error('make failed for %s', self.name)314            return False315        status = system('make check')316        if status:317            logging.error('make check failed for %s', self.name)318            return False319        return True320    def _install_using_make(self):321        """Install the current package using make install.322        Assumes the install path was set up while running ./configure (in323        _build_using_make()).324        :return: True on success, False otherwise.325        """326        status = system('make install')327        return status == 0328    def fetch(self, dest_dir):329        """330        Fetch the package from one its URLs and save it in dest_dir.331        If the the package already exists in dest_dir and the checksum332        matches this code will not fetch it again.333        Sets the 'verified_package' attribute with the destination pathname.334        :param dest_dir - The destination directory to save the local file.335            If it does not exist it will be created.336        :return: A boolean indicating if we the package is now in dest_dir.337        :raise FetchError - When something unexpected happens.338        """339        if not os.path.exists(dest_dir):340            os.makedirs(dest_dir)341        local_path = os.path.join(dest_dir, self.local_filename)342        # If the package exists, verify its checksum and be happy if it is good.343        if os.path.exists(local_path):344            actual_hex_sum = _checksum_file(local_path)345            if self.hex_sum == actual_hex_sum:346                logging.info('Good checksum for existing %s package.',347                             self.name)348                self.verified_package = local_path349                return True350            logging.warning('Bad checksum for existing %s package.  '351                            'Re-downloading', self.name)352            os.rename(local_path, local_path + '.wrong-checksum')353        # Download the package from one of its urls, rejecting any if the354        # checksum does not match.355        for url in self.urls:356            logging.info('Fetching %s', url)357            try:358                url_file = urllib2.urlopen(url)359            except (urllib2.URLError, EnvironmentError):360                logging.warning('Could not fetch %s package from %s.',361                                self.name, url)362                continue363            data_length = int(url_file.info().get('Content-Length',364                                                  _MAX_PACKAGE_SIZE))365            if data_length <= 0 or data_length > _MAX_PACKAGE_SIZE:366                raise FetchError('%s from %s fails Content-Length %d '367                                 'sanity check.' % (self.name, url,368                                                    data_length))369            checksum = utils.hash('sha1')370            total_read = 0371            output = open(local_path, 'wb')372            try:373                while total_read < data_length:374                    data = url_file.read(_READ_SIZE)375                    if not data:376                        break377                    output.write(data)378                    checksum.update(data)379                    total_read += len(data)380            finally:381                output.close()382            if self.hex_sum != checksum.hexdigest():383                logging.warning('Bad checksum for %s fetched from %s.',384                                self.name, url)385                logging.warning('Got %s', checksum.hexdigest())386                logging.warning('Expected %s', self.hex_sum)387                os.unlink(local_path)388                continue389            logging.info('Good checksum.')390            self.verified_package = local_path391            return True392        else:393            return False394# NOTE: This class definition must come -before- all other ExternalPackage395# classes that need to use this version of setuptools so that is is inserted396# into the ExternalPackage.subclasses list before them.397class SetuptoolsPackage(ExternalPackage):398    # For all known setuptools releases a string compare works for the399    # version string.  Hopefully they never release a 0.10.  (Their own400    # version comparison code would break if they did.)401    # Any system with setuptools > 0.6 is fine. If none installed, then402    # try to install the latest found on the upstream.403    minimum_version = '0.6'404    version = '0.6c11'405    urls = ('http://pypi.python.org/packages/source/s/setuptools/'406            'setuptools-%s.tar.gz' % (version,),)407    local_filename = 'setuptools-%s.tar.gz' % version408    hex_sum = '8d1ad6384d358c547c50c60f1bfdb3362c6c4a7d'409    SUDO_SLEEP_DELAY = 15410    def _build_and_install(self, install_dir):411        """Install setuptools on the system."""412        logging.info('NOTE: setuptools install does not use install_dir.')413        return self._build_and_install_from_package(install_dir)414    def _build_and_install_current_dir(self, install_dir):415        egg_path = self._build_egg_using_setup_py()416        if not egg_path:417            return False418        print '!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n'419        print 'About to run sudo to install setuptools', self.version420        print 'on your system for use by', sys.executable, '\n'421        print '!! ^C within', self.SUDO_SLEEP_DELAY, 'seconds to abort.\n'422        time.sleep(self.SUDO_SLEEP_DELAY)423        # Copy the egg to the local filesystem /var/tmp so that root can424        # access it properly (avoid NFS squashroot issues).425        temp_dir = self._get_temp_dir()426        try:427            shutil.copy(egg_path, temp_dir)428            egg_name = os.path.split(egg_path)[1]429            temp_egg = os.path.join(temp_dir, egg_name)430            p = subprocess.Popen(['sudo', '/bin/sh', temp_egg],431                                 stdout=subprocess.PIPE)432            regex = re.compile('Copying (.*?) to (.*?)\n')433            match = regex.search(p.communicate()[0])434            status = p.wait()435            if match:436                compiled = os.path.join(match.group(2), match.group(1))437                os.system("sudo chmod a+r '%s'" % compiled)438        finally:439            shutil.rmtree(temp_dir)440        if status:441            logging.error('install of setuptools from egg failed.')442            return False443        return True444class MySQLdbPackage(ExternalPackage):445    module_name = 'MySQLdb'446    version = '1.2.2'447    urls = ('http://downloads.sourceforge.net/project/mysql-python/'448            'mysql-python/%(version)s/MySQL-python-%(version)s.tar.gz'449            % dict(version=version),)450    local_filename = 'MySQL-python-%s.tar.gz' % version451    hex_sum = '945a04773f30091ad81743f9eb0329a3ee3de383'452    _build_and_install_current_dir = (453        ExternalPackage._build_and_install_current_dir_setup_py)454    def _build_and_install(self, install_dir):455        if not os.path.exists('/usr/bin/mysql_config'):456            logging.error('You need to install /usr/bin/mysql_config')457            logging.error('On Ubuntu or Debian based systems use this: '458                          'sudo apt-get install libmysqlclient15-dev')459            return False460        return self._build_and_install_from_package(install_dir)461class DjangoPackage(ExternalPackage):462    minimum_version = '1.3'463    version = '1.5.1'464    local_filename = 'Django-%s.tar.gz' % version465    urls = ('http://www.djangoproject.com/download/%s/tarball/' % version,)466    hex_sum = '0ab97b90c4c79636e56337f426f1e875faccbba1'467    _build_and_install = ExternalPackage._build_and_install_from_package468    _build_and_install_current_dir = (469        ExternalPackage._build_and_install_current_dir_noegg)470    def _get_installed_version_from_module(self, module):471        try:472            return module.get_version().split()[0]473        except AttributeError:474            return '0.9.6'475class NumpyPackage(ExternalPackage):476    version = '1.2.1'477    local_filename = 'numpy-%s.tar.gz' % version478    urls = ('http://downloads.sourceforge.net/project/numpy/NumPy/%(version)s/'479            'numpy-%(version)s.tar.gz' % dict(version=version),)480    hex_sum = '1aa706e733aea18eaffa70d93c0105718acb66c5'481    _build_and_install = ExternalPackage._build_and_install_from_package482    _build_and_install_current_dir = (483        ExternalPackage._build_and_install_current_dir_setupegg_py)484class PsUtilPackage(ExternalPackage):485    minimum_version = '0.4.0'486    version = '1.0.1'487    local_filename = 'psutil-%s.tar.gz' % version488    urls = ("https://psutil.googlecode.com/files/%s" % local_filename,)489    hex_sum = '3d3abb8b7a5479b7299a8d170ec25179410f24d1'490    _build_and_install = ExternalPackage._build_and_install_from_package491    _build_and_install_current_dir = (492        ExternalPackage._build_and_install_current_dir_setup_py)493# This requires numpy so it must be declared after numpy to guarantee that it494# is already installed.495class MatplotlibPackage(ExternalPackage):496    version = '0.98.5.3'497    short_version = '0.98.5'498    local_filename = 'matplotlib-%s.tar.gz' % version499    urls = ('http://downloads.sourceforge.net/project/matplotlib/matplotlib/'500            'matplotlib-%s/matplotlib-%s.tar.gz' % (short_version, version),)501    hex_sum = '2f6c894cf407192b3b60351bcc6468c0385d47b6'502    os_requirements = {'/usr/include/ft2build.h': 'libfreetype6-dev',503                       '/usr/include/png.h': 'libpng12-dev'}504    _build_and_install = ExternalPackage._build_and_install_from_package505    _build_and_install_current_dir = (506        ExternalPackage._build_and_install_current_dir_setupegg_py)507class AtForkPackage(ExternalPackage):508    version = '0.1.2'509    local_filename = 'atfork-%s.zip' % version510    urls = ('http://python-atfork.googlecode.com/files/' + local_filename,)511    hex_sum = '5baa64c73e966b57fa797040585c760c502dc70b'512    _build_and_install = ExternalPackage._build_and_install_from_package513    _build_and_install_current_dir = (514        ExternalPackage._build_and_install_current_dir_noegg)515class ParamikoPackage(ExternalPackage):516    version = '1.7.5'517    local_filename = 'paramiko-%s.tar.gz' % version518    urls = ('http://www.lag.net/paramiko/download/' + local_filename,519            'ftp://mirrors.kernel.org/gentoo/distfiles/' + local_filename,)520    hex_sum = '592be7a08290070b71da63a8e6f28a803399e5c5'521    _build_and_install = ExternalPackage._build_and_install_from_package522    def _check_for_pycrypto(self):523        # NOTE(gps): Linux distros have better python-crypto packages than we524        # can easily get today via a wget due to the library's age and staleness525        # yet many security and behavior bugs are fixed by patches that distros526        # already apply.  PyCrypto has a new active maintainer in 2009.  Once a527        # new release is made (http://pycrypto.org/) we should add an installer.528        try:529            import Crypto530        except ImportError:531            logging.error('Please run "sudo apt-get install python-crypto" '532                          'or your Linux distro\'s equivalent.')533            return False534        return True535    def _build_and_install_current_dir(self, install_dir):536        if not self._check_for_pycrypto():537            return False538        # paramiko 1.7.4 doesn't require building, it is just a module directory539        # that we can rsync into place directly.540        if not os.path.isdir('paramiko'):541            raise Error('no paramiko directory in %s.' % os.getcwd())542        status = system("rsync -r 'paramiko' '%s/'" % install_dir)543        if status:544            logging.error('%s rsync to install_dir failed.' % self.name)545            return False546        return True547class SimplejsonPackage(ExternalPackage):548    version = '2.0.9'549    local_filename = 'simplejson-%s.tar.gz' % version550    urls = ('http://pypi.python.org/packages/source/s/simplejson/' +551            local_filename,)552    hex_sum = 'b5b26059adbe677b06c299bed30557fcb0c7df8c'553    _build_and_install = ExternalPackage._build_and_install_from_package554    _build_and_install_current_dir = (555        ExternalPackage._build_and_install_current_dir_setup_py)556class AexpectPackage(ExternalPackage):557    version = '1.0.0'558    local_filename = 'aexpect-%s.tar.gz' % version559    urls = ('http://pypi.python.org/packages/source/a/aexpect/' +560            local_filename,)561    hex_sum = '5a1752dd26b4653f8c4ee413455e86879e47c269'562    def _get_installed_version_from_module(self, module):563        return self.version564    _build_and_install = ExternalPackage._build_and_install_from_package565    _build_and_install_current_dir = (566        ExternalPackage._build_and_install_current_dir_noegg)567class Httplib2Package(ExternalPackage):568    version = '0.6.0'569    local_filename = 'httplib2-%s.tar.gz' % version570    urls = ('http://httplib2.googlecode.com/files/' + local_filename,)571    hex_sum = '995344b2704826cc0d61a266e995b328d92445a5'572    def _get_installed_version_from_module(self, module):573        # httplib2 doesn't contain a proper version574        return self.version575    _build_and_install = ExternalPackage._build_and_install_from_package576    _build_and_install_current_dir = (577        ExternalPackage._build_and_install_current_dir_noegg)578class GwtPackage(ExternalPackage):579    """Fetch and extract a local copy of GWT used to build the frontend."""580    version = '2.7.0'581    local_filename = 'gwt-%s.zip' % version582    urls = ('http://goo.gl/t7FQSn',)583    hex_sum = '2688f2ed80a36ba0e6170a4ef656581d811f330f'584    name = 'gwt'585    about_filename = 'about.txt'586    module_name = None  # Not a Python module.587    def is_needed(self, install_dir):588        gwt_dir = os.path.join(install_dir, self.name)589        about_file = os.path.join(install_dir, self.name, self.about_filename)590        if not os.path.exists(gwt_dir) or not os.path.exists(about_file):591            logging.info('gwt not installed for autotest')592            return True593        f = open(about_file, 'r')594        version_line = f.readline()595        f.close()596        match = re.match(r'Google Web Toolkit (.*)', version_line)597        if not match:598            logging.info('did not find gwt version')599            return True600        logging.info('found gwt version %s', match.group(1))601        return match.group(1) != self.version602    def _build_and_install(self, install_dir):603        if not os.path.isdir(install_dir):604            os.makedirs(install_dir)605        os.chdir(install_dir)606        self._extract_compressed_package()607        extracted_dir = self.local_filename[:-len('.zip')]608        target_dir = os.path.join(install_dir, self.name)609        if os.path.exists(target_dir):610            shutil.rmtree(target_dir)611        os.rename(extracted_dir, target_dir)...
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