How to use _feed_html_parser method in avocado

Best Python code snippet using avocado_python Github


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...87 self._file_name = self.image_pattern.format(version=self.version,88,89 arch=self.arch)90 return self._file_name91 def _feed_html_parser(self, url, parser):92 try:93 data = urlopen(url).read()94 parser.feed(astring.to_text(data, self.HTML_ENCODING))95 except HTTPError:96 raise ImageProviderError('Cannot open %s' % self.url_versions)97 @staticmethod98 def get_best_version(versions):99 return max(versions)100 def get_versions(self):101 """Return all available versions for the current parameters."""102 parser = VMImageHtmlParser(self.version_pattern)103 self._feed_html_parser(self.url_versions, parser)104 resulting_versions = []105 if parser.items:106 for version in parser.items:107 # Trying to convert version to int or float so max()108 # can compare numerical values.109 try:110 # Can it be converted to integer?111 resulting_versions.append(int(version))112 except ValueError:113 try:114 # Can it be converted to float?115 resulting_versions.append(float(version))116 except ValueError:117 # So it's just a string118 resulting_versions.append(version)119 return resulting_versions120 def get_version(self):121 """Probes the higher version available for the current parameters."""122 resulting_versions = self.get_versions()123 if resulting_versions:124 self._best_version = self.get_best_version(resulting_versions)125 return self._best_version126 else:127 raise ImageProviderError('Version not available at %s' %128 self.url_versions)129 def get_image_url(self):130 """131 Probes the higher image available for the current parameters.132 """133 if not self.url_images or not self.image_pattern:134 raise ImageProviderError(135 "url_images and image_pattern attributes are required to get image url")136 url_images = self.url_images.format(version=self.version,137,138 arch=self.arch)139 image = self.image_pattern.format(version=self.version,140,141 arch=self.arch)142 parser = VMImageHtmlParser(image)143 self._feed_html_parser(url_images, parser)144 if parser.items:145 return url_images + max(parser.items)146 else:147 raise ImageProviderError("No images matching '%s' at '%s'. "148 "Wrong arch?" % (image, url_images))149 def get_image_parameters(self, image_file_name):150 """151 Computation of image parameters from image_pattern152 :param image_file_name: pattern with parameters153 :type image_file_name: str154 :return: dict with parameters155 :rtype: dict or None156 """157 keywords = re.split(r'\{(.*?)\}', self.image_pattern)[1::2]158 matches = re.match(self.file_name, image_file_name)159 if not matches:160 return None161 return {x: for x in keywords}162class FedoraImageProviderBase(ImageProviderBase):163 """164 Base Fedora Image Provider165 """166 HTML_ENCODING = 'iso-8859-1'167 url_old_images = None168 def get_image_url(self):169 if int(self.version) >= 28:170 cloud = 'Cloud'171 else:172 cloud = 'CloudImages'173 if self.url_old_images and int(self.version) <= 31:174 self.url_versions = self.url_old_images175 self.url_images = self.url_versions + '{version}/' \176 + cloud + '/{arch}/images/'177 return super().get_image_url()178class FedoraImageProvider(FedoraImageProviderBase):179 """180 Fedora Image Provider181 """182 name = 'Fedora'183 def __init__(self, version='[0-9]+', build='[0-9]+.[0-9]+',184 arch=DEFAULT_ARCH):185 super().__init__(version, build, arch)186 self.url_versions = ''187 self.url_old_images = ''188 self.image_pattern = 'Fedora-Cloud-Base-(?P<version>{version})-(?P<build>{build}).(?P<arch>{arch}).qcow2$'189class FedoraSecondaryImageProvider(FedoraImageProviderBase):190 """191 Fedora Secondary Image Provider192 """193 name = 'FedoraSecondary'194 def __init__(self, version='[0-9]+', build='[0-9]+.[0-9]+',195 arch=DEFAULT_ARCH):196 super().__init__(version, build, arch)197 self.url_versions = ''198 self.url_old_images = ''199 self.image_pattern = 'Fedora-Cloud-Base-(?P<version>{version})-(?P<build>{build}).(?P<arch>{arch}).qcow2$'200class CentOSImageProvider(ImageProviderBase):201 """202 CentOS Image Provider203 """204 name = 'CentOS'205 def __init__(self, version='[0-9]+', build='[0-9]{4}', arch=DEFAULT_ARCH):206 super().__init__(version, build, arch)207 self.url_versions = ''208 self.url_images = self.url_versions + '{version}/images/'209 self.image_pattern = 'CentOS-(?P<version>{version})-(?P<arch>{arch})-GenericCloud-(?P<build>{build}).qcow2.xz$'210 def get_image_url(self):211 if int(self.version) >= 8:212 = r'[\d\.\-]+'213 self.url_images = self.url_versions + '{version}/{arch}/images/'214 self.image_pattern = 'CentOS-(?P<version>{version})-GenericCloud-(?P<build>{build}).(?P<arch>{arch}).qcow2$'215 return super().get_image_url()216class UbuntuImageProvider(ImageProviderBase):217 """218 Ubuntu Image Provider219 """220 name = 'Ubuntu'221 def __init__(self, version='[0-9]+.[0-9]+', build=None,222 arch=DEFAULT_ARCH):223 # Ubuntu uses 'amd64' instead of 'x86_64'224 if arch == 'x86_64':225 arch = 'amd64'226 # and 'arm64' instead of 'aarch64'227 elif arch == 'aarch64':228 arch = 'arm64'229 super().__init__(version, build, arch)230 self.url_versions = ''231 self.url_images = self.url_versions + 'releases/{version}/release/'232 self.image_pattern = 'ubuntu-(?P<version>{version})-server-cloudimg-(?P<arch>{arch}).img'233 def get_best_version(self, versions):234 """ Return best (more recent) version """235 max_float = max([float(item) for item in versions])236 return str(f'{max_float:2.2f}')237 def get_versions(self):238 """Return all available versions for the current parameters."""239 parser = VMImageHtmlParser(self.version_pattern)240 self._feed_html_parser(self.url_versions, parser)241 resulting_versions = []242 if parser.items:243 for version in parser.items:244 max_float = float(version)245 resulting_versions.append(str(f'{max_float:2.2f}'))246 return resulting_versions247class DebianImageProvider(ImageProviderBase):248 """249 Debian Image Provider250 """251 name = 'Debian'252 def __init__(self, version=None, build=r'[\d{8}\-\d{3}]', arch=DEFAULT_ARCH):253 # Debian uses 'amd64' instead of 'x86_64'254 if arch == 'x86_64':255 arch = 'amd64'256 # and 'arm64' instead of 'aarch64'257 elif arch == 'aarch64':258 arch = 'arm64'259 table_version = {260 'buster': '10',261 'bullseye': '11',262 }263 table_codename = {264 '10': 'buster',265 '11': 'bullseye',266 }267 # Default version if none was selected, should work at least until 2023 Q3268 if version is None:269 version = "bullseye"270 # User provided a numerical version271 if version in table_codename.keys():272 version = table_codename[version]273 # If version is not a codename by now, it's wrong or unknown,274 # so let's fail early275 if (version not in table_version.keys()):276 raise ImageProviderError("Unknown version", version)277 super().__init__(version, build, arch)278 self.url_versions = ''279 self.url_images = self.url_versions + version + '/{build}/'280 self.image_pattern = 'debian-'+table_version[version]+'-generic-(?P<arch>{arch})-{build}.qcow2$'281 def get_image_url(self):282 # Find out the build first283 parserbuild = VMImageHtmlParser( self._feed_html_parser(self.url_versions+self._version+"/", parserbuild)285 = max(parserbuild.items)286 return super().get_image_url()287class JeosImageProvider(ImageProviderBase):288 """289 JeOS Image Provider290 """291 name = 'JeOS'292 def __init__(self, version='[0-9]+', build=None,293 arch=DEFAULT_ARCH):294 # JeOS uses '64' instead of 'x86_64'295 if arch == 'x86_64':296 arch = '64'297 super().__init__(version, build, arch)298 self.url_versions = ''...

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