diff options
Diffstat (limited to 'tosca2heat/tosca-parser-0.3.0/toscaparser/utils')
5 files changed, 337 insertions, 0 deletions
diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/__init__.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/__init__.py diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/gettextutils.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/gettextutils.py new file mode 100644 index 0000000..f5562e2 --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/gettextutils.py @@ -0,0 +1,22 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import gettext +import os + +_localedir = os.environ.get('tosca-parser'.upper() + '_LOCALEDIR') +_t = gettext.translation('tosca-parser', localedir=_localedir, + fallback=True) + + +def _(msg): + return _t.gettext(msg) diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/urlutils.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/urlutils.py new file mode 100644 index 0000000..8022158 --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/urlutils.py @@ -0,0 +1,61 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + + +from six.moves.urllib.parse import urljoin +from six.moves.urllib.parse import urlparse +from toscaparser.common.exception import ExceptionCollector +from toscaparser.utils.gettextutils import _ + +try: + # Python 3.x + import urllib.request as urllib +except ImportError: + # Python 2.x + import urllib + + +class UrlUtils(object): + + @staticmethod + def validate_url(path): + """Validates whether the given path is a URL or not. + + If the given path includes a scheme (http, https, ftp, ...) and a net + location (a domain name such as www.github.com) it is validated as a + URL. + """ + parsed = urlparse(path) + return bool(parsed.scheme) and bool(parsed.netloc) + + @staticmethod + def join_url(url, relative_path): + """Builds a new URL from the given URL and the relative path. + + Example: + url: http://www.githib.com/openstack/heat + relative_path: heat-translator + - joined: http://www.githib.com/openstack/heat-translator + """ + if not UrlUtils.validate_url(url): + ExceptionCollector.appendException( + ValueError(_('"%s" is not a valid URL.') % url)) + return urljoin(url, relative_path) + + @staticmethod + def url_accessible(url): + """Validates whether the given URL is accessible. + + Returns true if the get call returns a 200 response code. + Otherwise, returns false. + """ + return urllib.urlopen(url).getcode() == 200 diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/validateutils.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/validateutils.py new file mode 100644 index 0000000..d2b8504 --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/validateutils.py @@ -0,0 +1,165 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import collections +import dateutil.parser +import logging +import numbers +import re +import six + +from toscaparser.common.exception import ExceptionCollector +from toscaparser.common.exception import InvalidTOSCAVersionPropertyException +from toscaparser.utils.gettextutils import _ +log = logging.getLogger('tosca') + + +def str_to_num(value): + '''Convert a string representation of a number into a numeric type.''' + if isinstance(value, numbers.Number): + return value + try: + return int(value) + except ValueError: + return float(value) + + +def validate_number(value): + return str_to_num(value) + + +def validate_integer(value): + if not isinstance(value, int): + try: + value = int(value) + except Exception: + ExceptionCollector.appendException( + ValueError(_('"%s" is not an integer.') % value)) + return value + + +def validate_float(value): + if not isinstance(value, float): + ExceptionCollector.appendException( + ValueError(_('"%s" is not a float.') % value)) + return validate_number(value) + + +def validate_string(value): + if not isinstance(value, six.string_types): + ExceptionCollector.appendException( + ValueError(_('"%s" is not a string.') % value)) + return value + + +def validate_list(value): + if not isinstance(value, list): + ExceptionCollector.appendException( + ValueError(_('"%s" is not a list.') % value)) + return value + + +def validate_map(value): + if not isinstance(value, collections.Mapping): + ExceptionCollector.appendException( + ValueError(_('"%s" is not a map.') % value)) + return value + + +def validate_boolean(value): + if isinstance(value, bool): + return value + + if isinstance(value, str): + normalised = value.lower() + if normalised in ['true', 'false']: + return normalised == 'true' + + ExceptionCollector.appendException( + ValueError(_('"%s" is not a boolean.') % value)) + + +def validate_timestamp(value): + return dateutil.parser.parse(value) + + +class TOSCAVersionProperty(object): + + VERSION_RE = re.compile('^(?P<major_version>([0-9][0-9]*))' + '(\.(?P<minor_version>([0-9][0-9]*)))?' + '(\.(?P<fix_version>([0-9][0-9]*)))?' + '(\.(?P<qualifier>([0-9A-Za-z]+)))?' + '(\-(?P<build_version>[0-9])*)?$') + + def __init__(self, version): + self.version = str(version) + match = self.VERSION_RE.match(self.version) + if not match: + ExceptionCollector.appendException( + InvalidTOSCAVersionPropertyException(what=(self.version))) + return + ver = match.groupdict() + if self.version in ['0', '0.0', '0.0.0']: + log.warning(_('Version assumed as not provided')) + self.version = None + self.minor_version = ver['minor_version'] + self.major_version = ver['major_version'] + self.fix_version = ver['fix_version'] + self.qualifier = self._validate_qualifier(ver['qualifier']) + self.build_version = self._validate_build(ver['build_version']) + self._validate_major_version(self.major_version) + + def _validate_major_version(self, value): + """Validate major version + + Checks if only major version is provided and assumes + minor version as 0. + Eg: If version = 18, then it returns version = '18.0' + """ + + if self.minor_version is None and self.build_version is None and \ + value != '0': + log.warning(_('Minor version assumed "0".')) + self.version = '.'.join([value, '0']) + return value + + def _validate_qualifier(self, value): + """Validate qualifier + + TOSCA version is invalid if a qualifier is present without the + fix version or with all of major, minor and fix version 0s. + + For example, the following versions are invalid + 18.0.abc + 0.0.0.abc + """ + if (self.fix_version is None and value) or \ + (self.minor_version == self.major_version == + self.fix_version == '0' and value): + ExceptionCollector.appendException( + InvalidTOSCAVersionPropertyException(what=(self.version))) + return value + + def _validate_build(self, value): + """Validate build version + + TOSCA version is invalid if build version is present without the + qualifier. + Eg: version = 18.0.0-1 is invalid. + """ + if not self.qualifier and value: + ExceptionCollector.appendException( + InvalidTOSCAVersionPropertyException(what=(self.version))) + return value + + def get_version(self): + return self.version diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/yamlparser.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/yamlparser.py new file mode 100644 index 0000000..a4794e7 --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/utils/yamlparser.py @@ -0,0 +1,89 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +import codecs +from collections import OrderedDict +from toscaparser.common.exception import ExceptionCollector +from toscaparser.common.exception import URLException +from toscaparser.utils.gettextutils import _ +import yaml + +try: + # Python 3.x + import urllib.request as urllib2 +except ImportError: + # Python 2.x + import urllib2 + +if hasattr(yaml, 'CSafeLoader'): + yaml_loader = yaml.CSafeLoader +else: + yaml_loader = yaml.SafeLoader + + +def load_yaml(path, a_file=True): + f = None + try: + f = codecs.open(path, encoding='utf-8', errors='strict') if a_file \ + else urllib2.urlopen(path) + except urllib2.URLError as e: + if hasattr(e, 'reason'): + msg = (_('Failed to reach server "%(path)s". Reason is: ' + '%(reason)s.') + % {'path': path, 'reason': e.reason}) + ExceptionCollector.appendException(URLException(what=msg)) + return + elif hasattr(e, 'code'): + msg = (_('The server "%(path)s" couldn\'t fulfill the request. ' + 'Error code: "%(code)s".') + % {'path': path, 'code': e.code}) + ExceptionCollector.appendException(URLException(what=msg)) + return + except Exception as e: + raise + return yaml.load(f.read(), Loader=yaml_loader) + + +def simple_parse(tmpl_str): + try: + tpl = yaml.load(tmpl_str, Loader=yaml_loader) + except yaml.YAMLError as yea: + ExceptionCollector.appendException(ValueError(yea)) + else: + if tpl is None: + tpl = {} + return tpl + + +def ordered_load(stream, Loader=yaml.Loader, object_pairs_hook=OrderedDict): + class OrderedLoader(Loader): + pass + + def construct_mapping(loader, node): + loader.flatten_mapping(node) + return object_pairs_hook(loader.construct_pairs(node)) + + OrderedLoader.add_constructor( + yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG, + construct_mapping) + return yaml.load(stream, OrderedLoader) + + +def simple_ordered_parse(tmpl_str): + try: + tpl = ordered_load(tmpl_str) + except yaml.YAMLError as yea: + ExceptionCollector.appendException(ValueError(yea)) + else: + if tpl is None: + tpl = {} + return tpl |