X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Frspecs%2Fversion_manager.py;h=b4daf4244c476ca177f31462b48a61741154cce3;hb=4a9e6751f9f396f463932133b9d62fc925a99ef6;hp=e588911ed3fb45e955c5e7b77ecd94d3b4630a44;hpb=44bde1612af23fb9ab043d332864b6611b710133;p=sfa.git diff --git a/sfa/rspecs/version_manager.py b/sfa/rspecs/version_manager.py index e588911e..b4daf424 100644 --- a/sfa/rspecs/version_manager.py +++ b/sfa/rspecs/version_manager.py @@ -1,26 +1,33 @@ + + import os -from sfa.util.faults import InvalidRSpec -from sfa.rspecs.rspec_version import BaseVersion -from sfa.util.sfalogging import logger +from sfa.util.faults import InvalidRSpec, UnsupportedRSpecVersion +from sfa.rspecs.version import RSpecVersion +from sfa.util.sfalogging import logger +from sfa.util.py23 import StringType + class VersionManager: - default_type = 'SFA' - default_version_num = '1' - + def __init__(self): self.versions = [] self.load_versions() + def __repr__(self): + return ""\ + .format(len(self.versions), + ", ".join([str(x) for x in self.versions])) + def load_versions(self): - path = os.path.dirname(os.path.abspath( __file__ )) + path = os.path.dirname(os.path.abspath(__file__)) versions_path = path + os.sep + 'versions' versions_module_path = 'sfa.rspecs.versions' valid_module = lambda x: os.path.isfile(os.sep.join([versions_path, x])) \ - and not x.endswith('.pyc') and x not in ['__init__.py'] + and x.endswith('.py') and x != '__init__.py' files = [f for f in os.listdir(versions_path) if valid_module(f)] for filename in files: basename = filename.split('.')[0] - module_path = versions_module_path +'.'+basename + module_path = versions_module_path + '.' + basename module = __import__(module_path, fromlist=module_path) for attr_name in dir(module): attr = getattr(module, attr_name) @@ -31,19 +38,25 @@ class VersionManager: retval = None for version in self.versions: if type is None or type.lower() == version.type.lower(): - if version_num is None or version_num == version.version: - if content_type is None or content_type.lower() == version.content_type.lower(): + if version_num is None or str(float(version_num)) == str(float(version.version)): + if content_type is None or content_type.lower() == version.content_type.lower() \ + or version.content_type == '*': retval = version + # sounds like we should be glad with the first match, + # not the last one + break if not retval: - raise InvalidRSpec("No such version format: %s version: %s type:%s "% (type, version_num, content_type)) + raise UnsupportedRSpecVersion( + "[%s %s %s] is not suported here" % (type, version_num, content_type)) return retval def get_version(self, version=None): retval = None if isinstance(version, dict): - retval = self._get_version(version.get('type'), version.get('version'), version.get('content_type')) - elif isinstance(version, basestring): - version_parts = version.split(' ') + retval = self._get_version(version.get('type'), version.get( + 'version'), version.get('content_type')) + elif isinstance(version, StringType): + version_parts = version.split(' ') num_parts = len(version_parts) type = version_parts[0] version_num = None @@ -52,12 +65,15 @@ class VersionManager: version_num = version_parts[1] if num_parts > 2: content_type = version_parts[2] - retval = self._get_version(type, version_num, content_type) - elif isinstance(version, BaseVersion): + retval = self._get_version(type, version_num, content_type) + elif isinstance(version, RSpecVersion): retval = version + elif not version: + retval = self.versions[0] else: - retval = self._get_version(self.default_type, self.default_version_num) - + raise UnsupportedRSpecVersion( + "No such version: %s " % str(version)) + return retval def get_version_by_schema(self, schema): @@ -69,11 +85,23 @@ class VersionManager: raise InvalidRSpec("Unkwnown RSpec schema: %s" % schema) return retval -if __name__ == '__main__': - v = VersionManager() - print v.versions - print v.get_version('sfa 1') - print v.get_version('protogeni 2') - print v.get_version('protogeni 2 advertisement') - print v.get_version_by_schema('http://www.protogeni.net/resources/rspec/2/ad.xsd') + def show_by_string(self, string): + try: + print(self.get_version(string)) + except Exception as e: + print(e) + def show_by_schema(self, string): + try: + print(self.get_version_by_schema(string)) + except Exception as e: + print(e) + +if __name__ == '__main__': + manager = VersionManager() + print(manager) + manager.show_by_string('sfa 1') + manager.show_by_string('protogeni 2') + manager.show_by_string('protogeni 2 advertisement') + manager.show_by_schema('http://www.protogeni.net/resources/rspec/2/ad.xsd') + manager.show_by_schema('http://sorch.netmode.ntua.gr/ws/RSpec/ad.xsd')