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Edit File: metadata.py
# # Copyright (c) 2015, Red Hat, Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the # distribution. # 3. Neither the name of the Red Hat nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Authors: Stanislav Ochotnicky <sochotnicky@redhat.com> # Michal Srb <msrb@redhat.com> from __future__ import print_function import gzip import logging import os.path from lxml import etree from javapackages.metadata.artifact import MetadataArtifact from javapackages.metadata.skippedartifact import MetadataSkippedArtifact from javapackages.common.exception import JavaPackagesToolsException from javapackages.common.binding import (ObjectBinding, from_element, to_element, XMLBindingException) class MetadataLoadingException(JavaPackagesToolsException): pass class MetadataInvalidException(JavaPackagesToolsException): pass class Metadata(ObjectBinding): element_name = 'metadata' fields = ['uuid', 'artifacts', 'skippedArtifacts', 'properties'] types = {'artifacts': [MetadataArtifact], 'skippedArtifacts': [MetadataSkippedArtifact], 'properties': dict} xmlns = 'http://fedorahosted.org/xmvn/METADATA/2.3.0' def __init__(self, *args, **kwargs): super(Metadata, self).__init__(*args, **kwargs) self._validate_artifacts() def _validate_artifacts(self): for artifact in self.artifacts: if not artifact.version: raise MetadataInvalidException( "Artifact {a} does not have version in maven provides" .format(a=artifact)) def get_provided_artifacts(self): """Returns list of MetadataArtifact provided by given metadata.""" return self.artifacts def get_skipped_artifacts(self): """Returns list of MetadataSkippedArtifact provided by given metadata.""" return self.skippedArtifacts def get_required_artifacts(self): """Returns list of Dependency required by given metadata.""" dependencies = [] for artifact in self.artifacts: for dependency in artifact.dependencies: dependencies.append(dependency) return dependencies def get_java_requires(self): """Return list of required Java versions.""" requires = set() for artifact in self.artifacts: if artifact.properties: req = artifact.properties.get("requiresJava", None) if req: requires.add(req) return list(requires) def get_java_devel_requires(self): """Not supported.""" return [] def get_osgi_provides(self): bundles = [] for artifact in self.artifacts: bundle = artifact.get_osgi_bundle() if bundle: bundles.append(bundle) return bundles def get_osgi_requires(self): reqs = [] bundles = self.get_osgi_provides() for bundle in bundles: reqs.extend(bundle.requires) return reqs def contains_only_poms(self): """Check if metadata file contains only POM file(s)""" for artifact in self.artifacts: if artifact.extension != "pom": return False return True def get_artifact_for_path(self, path, can_be_dir=False): path = os.path.abspath(path) for artifact in self.artifacts: artifact_path = artifact.get_buildroot_path() if can_be_dir: # artifact_path can be a directory if path.startswith(artifact_path): return artifact else: if path == artifact_path: return artifact return None @staticmethod def create_from_string(data, path=''): """Creates Metadata object from XML string""" try: xml = etree.fromstring(data) return from_element(Metadata, xml) except (etree.XMLSyntaxError, XMLBindingException) as e: logging.warning("Failed to parse metadata {path}: {e}" .format(path=path, e=e)) raise MetadataLoadingException() @staticmethod def create_from_file(path): """Creates Metadata object from XML file, that can be gzipped""" with open(path, 'rb') as f: try: gzf = gzip.GzipFile(os.path.basename(path), 'rb', fileobj=f) data = gzf.read() except IOError: # not a compressed metadata, just rewind and read the data f.seek(0) data = f.read() return Metadata.create_from_string(data, path) def write_to_file(self, path): with open(path, 'wb') as f: f.write(etree.tostring(to_element(self), pretty_print=True))
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