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How to use get_nvr_info method in autotest

Best Python code snippet using autotest_python
utils_koji.py
Source:utils_koji.py
...59        '''60        wo_suffix = self.get_filename_without_suffix()61        arch_sep = wo_suffix.rfind('.')62        return wo_suffix[arch_sep + 1:]63    def get_nvr_info(self):64        '''65        Returns a dictionary with the name, version and release components66        If koji is not installed, this returns None67        '''68        if not KOJI_INSTALLED:69            return None70        return koji.util.koji.parse_NVR(self.get_filename_without_arch())71class KojiClient(object):72    """73    Stablishes a connection with the build system, either koji or brew.74    This class provides convenience methods to retrieve information on packages75    and the packages themselves hosted on the build system. Packages should be76    specified in the KojiPgkSpec syntax.77    """78    CMD_LOOKUP_ORDER = ['/usr/bin/brew', '/usr/bin/koji']79    CONFIG_MAP = {'/usr/bin/brew': '/etc/brewkoji.conf',80                  '/usr/bin/koji': '/etc/koji.conf'}81    def __init__(self, cmd=None):82        """83        Verifies whether the system has koji or brew installed, then loads84        the configuration file that will be used to download the files.85        :type cmd: string86        :param cmd: Optional command name, either 'brew' or 'koji'. If not87                set, get_default_command() is used and to look for88                one of them.89        :raise: ValueError90        """91        if not KOJI_INSTALLED:92            raise ValueError('No koji/brew installed on the machine')93        # Instance variables used by many methods94        self.command = None95        self.config = None96        self.config_options = {}97        self.session = None98        # Set koji command or get default99        if cmd is None:100            self.command = self.get_default_command()101        else:102            self.command = cmd103        # Check koji command104        if not self.is_command_valid():105            raise ValueError('Koji command "%s" is not valid' % self.command)106        # Assuming command is valid, set configuration file and read it107        self.config = self.CONFIG_MAP[self.command]108        self.read_config()109        # Setup koji session110        server_url = self.config_options['server']111        session_options = self.get_session_options()112        self.session = koji.ClientSession(server_url,113                                          session_options)114    def read_config(self, check_is_valid=True):115        '''116        Reads options from the Koji configuration file117        By default it checks if the koji configuration is valid118        :type check_valid: boolean119        :param check_valid: whether to include a check on the configuration120        :raise: ValueError121        :return: None122        '''123        if check_is_valid:124            if not self.is_config_valid():125                raise ValueError('Koji config "%s" is not valid' % self.config)126        config = ConfigParser.ConfigParser()127        config.read(self.config)128        basename = os.path.basename(self.command)129        for name, value in config.items(basename):130            self.config_options[name] = value131    def get_session_options(self):132        '''133        Filter only options necessary for setting up a cobbler client session134        :return: only the options used for session setup135        '''136        session_options = {}137        for name, value in self.config_options.items():138            if name in ('user', 'password', 'debug_xmlrpc', 'debug'):139                session_options[name] = value140        return session_options141    def is_command_valid(self):142        '''143        Checks if the currently set koji command is valid144        :return: True or False145        '''146        koji_command_ok = True147        if not os.path.isfile(self.command):148            logging.error('Koji command "%s" is not a regular file',149                          self.command)150            koji_command_ok = False151        if not os.access(self.command, os.X_OK):152            logging.warn('Koji command "%s" is not executable: this is '153                         'not fatal but indicates an unexpected situation',154                         self.command)155        if self.command not in self.CONFIG_MAP.keys():156            logging.error('Koji command "%s" does not have a configuration '157                          'file associated to it', self.command)158            koji_command_ok = False159        return koji_command_ok160    def is_config_valid(self):161        '''162        Checks if the currently set koji configuration is valid163        :return: True or False164        '''165        koji_config_ok = True166        if not os.path.isfile(self.config):167            logging.error('Koji config "%s" is not a regular file', self.config)168            koji_config_ok = False169        if not os.access(self.config, os.R_OK):170            logging.error('Koji config "%s" is not readable', self.config)171            koji_config_ok = False172        config = ConfigParser.ConfigParser()173        config.read(self.config)174        basename = os.path.basename(self.command)175        if not config.has_section(basename):176            logging.error('Koji configuration file "%s" does not have a '177                          'section "%s", named after the base name of the '178                          'currently set koji command "%s"', self.config,179                          basename, self.command)180            koji_config_ok = False181        return koji_config_ok182    def get_default_command(self):183        '''184        Looks up for koji or brew "binaries" on the system185        Systems with plain koji usually don't have a brew cmd, while systems186        with koji, have *both* koji and brew utilities. So we look for brew187        first, and if found, we consider that the system is configured for188        brew. If not, we consider this is a system with plain koji.189        :return: either koji or brew command line executable path, or None190        '''191        koji_command = None192        for command in self.CMD_LOOKUP_ORDER:193            if os.path.isfile(command):194                koji_command = command195                break196            else:197                koji_command_basename = os.path.basename(command)198                try:199                    koji_command = os_dep.command(koji_command_basename)200                    break201                except ValueError:202                    pass203        return koji_command204    def get_pkg_info(self, pkg):205        '''206        Returns information from Koji on the package207        :type pkg: KojiPkgSpec208        :param pkg: information about the package, as a KojiPkgSpec instance209        :return: information from Koji about the specified package210        '''211        info = {}212        if pkg.build is not None:213            info = self.session.getBuild(int(pkg.build))214        elif pkg.tag is not None and pkg.package is not None:215            builds = self.session.listTagged(pkg.tag,216                                             latest=True,217                                             inherit=True,218                                             package=pkg.package)219            if builds:220                info = builds[0]221        return info222    def is_pkg_valid(self, pkg):223        '''224        Checks if this package is altogether valid on Koji225        This verifies if the build or tag specified in the package226        specification actually exist on the Koji server227        :return: True or False228        '''229        valid = True230        if pkg.build:231            if not self.is_pkg_spec_build_valid(pkg):232                valid = False233        elif pkg.tag:234            if not self.is_pkg_spec_tag_valid(pkg):235                valid = False236        else:237            valid = False238        return valid239    def is_pkg_spec_build_valid(self, pkg):240        '''241        Checks if build is valid on Koji242        :param pkg: a Pkg instance243        '''244        if pkg.build is not None:245            info = self.session.getBuild(int(pkg.build))246            if info:247                return True248        return False249    def is_pkg_spec_tag_valid(self, pkg):250        '''251        Checks if tag is valid on Koji252        :type pkg: KojiPkgSpec253        :param pkg: a package specification254        '''255        if pkg.tag is not None:256            tag = self.session.getTag(pkg.tag)257            if tag:258                return True259        return False260    def get_pkg_rpm_info(self, pkg, arch=None):261        '''262        Returns a list of information on the RPM packages found on koji263        :type pkg: KojiPkgSpec264        :param pkg: a package specification265        :type arch: string266        :param arch: packages built for this architecture, but also including267                architecture independent (noarch) packages268        '''269        if arch is None:270            arch = utils.get_arch()271        rpms = []272        info = self.get_pkg_info(pkg)273        if info:274            rpms = self.session.listRPMs(buildID=info['id'],275                                         arches=[arch, 'noarch'])276            if pkg.subpackages:277                rpms = [d for d in rpms if d['name'] in pkg.subpackages]278        return rpms279    def get_pkg_rpm_names(self, pkg, arch=None):280        '''281        Gets the names for the RPM packages specified in pkg282        :type pkg: KojiPkgSpec283        :param pkg: a package specification284        :type arch: string285        :param arch: packages built for this architecture, but also including286                architecture independent (noarch) packages287        '''288        if arch is None:289            arch = utils.get_arch()290        rpms = self.get_pkg_rpm_info(pkg, arch)291        return [rpm['name'] for rpm in rpms]292    def get_pkg_rpm_file_names(self, pkg, arch=None):293        '''294        Gets the file names for the RPM packages specified in pkg295        :type pkg: KojiPkgSpec296        :param pkg: a package specification297        :type arch: string298        :param arch: packages built for this architecture, but also including299                architecture independent (noarch) packages300        '''301        if arch is None:302            arch = utils.get_arch()303        rpm_names = []304        rpms = self.get_pkg_rpm_info(pkg, arch)305        for rpm in rpms:306            arch_rpm_name = koji.pathinfo.rpm(rpm)307            rpm_name = os.path.basename(arch_rpm_name)308            rpm_names.append(rpm_name)309        return rpm_names310    def get_pkg_base_url(self):311        '''312        Gets the base url for packages in Koji313        '''314        if self.config_options.has_key('pkgurl'):315            return self.config_options['pkgurl']316        else:317            return "%s/%s" % (self.config_options['topurl'],318                              'packages')319    def get_scratch_base_url(self):320        '''321        Gets the base url for scratch builds in Koji322        '''323        one_level_up = os.path.dirname(self.get_pkg_base_url())324        return "%s/%s" % (one_level_up, 'scratch')325    def get_pkg_urls(self, pkg, arch=None):326        '''327        Gets the urls for the packages specified in pkg328        :type pkg: KojiPkgSpec329        :param pkg: a package specification330        :type arch: string331        :param arch: packages built for this architecture, but also including332                architecture independent (noarch) packages333        '''334        info = self.get_pkg_info(pkg)335        rpms = self.get_pkg_rpm_info(pkg, arch)336        rpm_urls = []337        base_url = self.get_pkg_base_url()338        for rpm in rpms:339            rpm_name = koji.pathinfo.rpm(rpm)340            url = ("%s/%s/%s/%s/%s" % (base_url,341                                       info['package_name'],342                                       info['version'], info['release'],343                                       rpm_name))344            rpm_urls.append(url)345        return rpm_urls346    def get_pkgs(self, pkg, dst_dir, arch=None):347        '''348        Download the packages349        :type pkg: KojiPkgSpec350        :param pkg: a package specification351        :type dst_dir: string352        :param dst_dir: the destination directory, where the downloaded353                packages will be saved on354        :type arch: string355        :param arch: packages built for this architecture, but also including356                architecture independent (noarch) packages357        '''358        rpm_urls = self.get_pkg_urls(pkg, arch)359        for url in rpm_urls:360            utils.get_file(url,361                           os.path.join(dst_dir, os.path.basename(url)))362    def get_scratch_pkg_urls(self, pkg, arch=None):363        '''364        Gets the urls for the scratch packages specified in pkg365        :type pkg: KojiScratchPkgSpec366        :param pkg: a scratch package specification367        :type arch: string368        :param arch: packages built for this architecture, but also including369                architecture independent (noarch) packages370        '''371        rpm_urls = []372        if arch is None:373            arch = utils.get_arch()374        arches = [arch, 'noarch']375        index_url = "%s/%s/task_%s" % (self.get_scratch_base_url(),376                                       pkg.user,377                                       pkg.task)378        index_parser = KojiDirIndexParser()379        index_parser.feed(urllib.urlopen(index_url).read())380        if pkg.subpackages:381            for p in pkg.subpackages:382                for pfn in index_parser.package_file_names:383                    r = RPMFileNameInfo(pfn)384                    info = r.get_nvr_info()385                    if (p == info['name'] and386                            r.get_arch() in arches):387                        rpm_urls.append("%s/%s" % (index_url, pfn))388        else:389            for pfn in index_parser.package_file_names:390                if (RPMFileNameInfo(pfn).get_arch() in arches):391                    rpm_urls.append("%s/%s" % (index_url, pfn))392        return rpm_urls393    def get_scratch_pkgs(self, pkg, dst_dir, arch=None):394        '''395        Download the packages from a scratch build396        :type pkg: KojiScratchPkgSpec397        :param pkg: a scratch package specification398        :type dst_dir: string...
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