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Direktori : /proc/self/root/usr/lib/python2.7/site-packages/javapackages/ |
Current File : //proc/self/root/usr/lib/python2.7/site-packages/javapackages/depmap.py |
#!/usr/bin/python # Copyright (c) 2013, 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 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> import gzip import os.path from lxml.etree import fromstring from javapackages.artifact import Artifact class DepmapLoadingException(Exception): pass class DepmapInvalidException(Exception): pass class Depmap(object): """ Class for working with depmap files (dependency maps). These are files used by XMvn to provide mapping between Maven artifacts and file on the filesystem. Example usage: >>> d = Depmap('maven-idea-plugin.xml') >>> print d.get_java_requires() 1.5 >>> print d.get_provided_artifacts()[0] org.apache.maven.plugins:maven-idea-plugin:None:None:2.2 """ def __init__(self, path): self.__path = path self.__load_depmap(path) if self.__doc is None: raise DepmapLoadingException("Failed to load fragment {path} You have a problem".format(path=path)) if not self.get_provided_mappings(): raise DepmapLoadingException("Depmap {path} does not contain any provided artifacts ".format(path=path)) def __load_depmap(self, fragment_path): with open(fragment_path) as f: try: gzf = gzip.GzipFile(os.path.basename(fragment_path), 'rb', fileobj=f) data = gzf.read() except IOError: # not a compressed fragment, just rewind and read the data f.seek(0) data = f.read() self.__doc = fromstring(data) def is_compat(self): """Return true if depmap is for compatibility package This means package should have versioned provides""" provided_maps = self.get_provided_mappings() for m, l in provided_maps: if l.version: return True return self.__doc.find(".//skipProvides") is not None def get_provided_artifacts(self): """Returns list of Artifact provided by given depmap.""" artifacts = [] for dep in self.__doc.findall('.//dependency'): artifact = dep.findall('./maven') if len(artifact) != 1: raise DepmapInvalidException("Multiple maven nodes in dependency") artifact = Artifact.from_xml_element(artifact[0]) if not artifact.version: raise DepmapInvalidException("Depmap {path} does not have version in maven provides".format(path=self.__path)) artifacts.append(artifact) return artifacts def get_provided_mappings(self): """Return list of (Artifact, Artifact) tuples. First part of returned tuple is Maven artifact identification Second part of returned tuple is local artifact identification """ mappings = [] for dep in self.__doc.findall('.//dependency'): m_artifact = dep.findall('./maven') if len(m_artifact) != 1: raise DepmapInvalidException("Multiple maven nodes in dependency") m_artifact = Artifact.from_xml_element(m_artifact[0]) if not m_artifact.version: raise DepmapInvalidException("Depmap {path} does not have version in maven provides".format(path=self.__path)) l_artifact = dep.findall('./jpp') if len(l_artifact) != 1: raise DepmapInvalidException("Multiple jpp nodes in dependency") l_artifact = Artifact.from_xml_element(l_artifact[0]) mappings.append((m_artifact, l_artifact)) return mappings def get_required_artifacts(self): """Returns list of Artifact required by given depmap.""" artifacts = [] for dep in self.__doc.findall('.//autoRequires'): artifact = Artifact.from_xml_element(dep) artifacts.append(artifact) return artifacts def get_skipped_artifacts(self): """Returns list of Artifact that were build but not installed""" artifacts = [] for dep in self.__doc.findall('.//skippedArtifact'): artifact = Artifact.from_xml_element(dep) artifacts.append(artifact) return artifacts def get_java_requires(self): """Returns JVM version required by depmap or None""" jreq = self.__doc.find('.//requiresJava') if jreq is not None: jreq = jreq.text return jreq def get_java_devel_requires(self): """Returns JVM development version required by depmap or None""" jreq = self.__doc.find('.//requiresJavaDevel') if jreq is not None: jreq = jreq.text return jreq