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#!/usr/libexec/platform-python
# Copyright (c) 2014, 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>
# Michal Srb <msrb@redhat.com>
import os
import re
import sys
import traceback
from javapackages.common.config import get_config
from javapackages.common.util import (kill_parent_process,
init_rpmgen,
get_logger)
from javapackages.cache.metadata import MetadataCache
from javapackages.maven.pom import POM
from javapackages.maven.dependency import Dependency
from javapackages.metadata.metadata import Metadata
from javapackages.metadata.dependency import MetadataDependency
from javapackages.xmvn.xmvn_resolve import XMvnResolve, ResolutionRequest
_log = get_logger("maven.req")
class TagBuilder(object):
def __init__(self, filelist=None):
if filelist is None:
filelist = sys.stdin
paths = [line.rstrip() for line in filelist.readlines()]
_log.info("input: {fl}".format(fl=paths))
self.config = self._get_config()
cache = MetadataCache(rpmconf)
self.provided_artifacts = cache.get_provided_artifacts()
self.skipped_artifacts = cache.get_skipped_artifacts()
self.provided_osgi = cache.get_provided_osgi()
self.metadata_dir = os.path.dirname(paths[0])
for path in paths:
metadata = cache.get_metadata_for_path(path)
self.print_requires(metadata)
# generate also R on plugins and extensions from POM file, but only
# if this is POM-only package and xmvn-resolve is installed
if XMvnResolve.is_available():
if metadata.contains_only_poms():
self.print_pom_requires(metadata)
def print_pom_requires(self, metadata):
"""
Print Requires on plugins, extensions and parent POMs from POM files
"""
unresolvable = []
pom_requires = set()
for artifact in metadata.artifacts:
if artifact.path:
pom = POM(artifact.get_buildroot_path())
ppom = pom.parent
deps = []
reqs = []
# parent POM
if ppom:
if not (ppom.groupId and ppom.artifactId and ppom.version):
raise Exception("Not enough information to resolve "
"parent POM for artifact {g}:{a},"
.format(g=pom.groupId,
a=pom.artifactId),
"parent POM is: {pg}:{pa}:pom:{pv}"
.format(pg=ppom.groupId,
pa=ppom.artifactId,
pv=ppom.version))
pom_dep = Dependency(ppom.groupId,
ppom.artifactId,
version=ppom.version,
extension="pom")
deps.append(pom_dep)
pom_req = ResolutionRequest(ppom.groupId,
ppom.artifactId,
version=ppom.version,
extension="pom")
reqs.append(pom_req)
# plugins+extensions
deps.extend(pom.plugins + pom.extensions)
# create xmvn-resolve request for plugins and extensions, skip
# parent POM, if there is any - we already have request created
# for it
for d in (deps[1:] if ppom else deps):
reqs.append(ResolutionRequest(d.groupId,
d.artifactId,
version=d.version))
# TODO: check metadata first
results = XMvnResolve.process_raw_request(reqs)
for i, r in enumerate(results):
dep = MetadataDependency(deps[i].groupId,
deps[i].artifactId,
requestedVersion=deps[i].version,
namespace=rpmconf.scl or "")
if isinstance(deps[i], Dependency):
dep.extension = deps[i].extension
# check if the dependency is provided by any of the
# subpackages
dver = dep.is_provided_by(self.provided_artifacts)[1]
if dver is not None:
# check if dependency is NOT provided by currently
# processed subpackage
if not dep.is_provided_by(metadata.artifacts)[0]:
req_str = dep.get_rpm_str(pkg_ver=dver,
namespace=artifact.namespace)
pom_requires.add(req_str)
elif r:
# it's an external dependency
if r.compatVersion != "SYSTEM":
dep.resolvedVersion = r.compatVersion
if r.namespace:
dep.namespace = r.namespace
pom_requires.add(dep.get_rpm_str())
else:
unresolvable.append(dep)
continue
_log.info("from POM(s): {reqs}".format(reqs=", ".join(pom_requires)))
if pom_requires:
print("\n".join(pom_requires))
if unresolvable:
raise Exception("Unable to generate requires on unresolvable artifacts: {reqs}"
.format(reqs=", ".join([x.get_mvn_str() for x in unresolvable])))
def print_requires(self, metadata):
"""Print Requires from given metadata file."""
# dependencies most likely present in the buildroot (in the reactor),
# but not marked for installation. Therefore requires cannot be
# generated on them.
skipped_but_required = []
# dependencies on unresolvable artifacts
unknown_deps = []
# resulting requires
requires = set()
# always generate R on packages specified in config file
always_req = self.config.get('always_generate', ())
requires.update([x for x in always_req])
# check if dependencies on POM files are satisfiable
if XMvnResolve.is_available():
unknown_deps = self._check_pom_deps(metadata)
# process non-optional dependencies
for dependency in list(set(x for x in metadata.get_required_artifacts()
if not x.is_optional())):
if dependency.is_skipped(self.skipped_artifacts):
skipped_but_required.append(dependency)
continue
if dependency.resolvedVersion == "UNKNOWN":
unknown_deps.append(dependency)
continue
self._generate_require(metadata, requires, dependency)
if unknown_deps:
self._handle_unknown_deps(unknown_deps)
if skipped_but_required:
self._handle_skipped_but_required_deps(skipped_but_required)
requires.update(self._generate_java_requires(metadata))
requires = self._filter_requires(requires)
self._get_osgi_requires(metadata, requires)
_log.info(", ".join(requires))
# print resulting requires!
print('\n'.join(requires))
def _generate_require(self, metadata, requires, dependency):
# check if dependency is provided by any metadata file in buildroot
subpkg_dep, pkgver = dependency.is_provided_by(self.provided_artifacts)
if subpkg_dep:
# check if dependency isn't provided by same metadata file
if not dependency.is_provided_by(metadata.artifacts)[0]:
# requires on subpackages are always versioned
rpmstr = dependency.get_rpm_str(namespace=dependency.namespace,
compat_ver=dependency.resolvedVersion,
pkg_ver=pkgver)
requires.add(rpmstr)
else:
rpmstr = dependency.get_rpm_str(namespace=dependency.namespace,
compat_ver=dependency.resolvedVersion)
requires.add(rpmstr)
def _get_osgi_requires(self, metadata, requires):
"""Read OSGi requires from metadata properties."""
osgi_reqs = metadata.get_osgi_requires()
osgi_provs = metadata.get_osgi_provides()
for req in osgi_reqs:
if req.bundle not in [x.bundle for x in self.provided_osgi]:
requires.add(req.get_rpm_str())
elif req.bundle not in [x.bundle for x in osgi_provs]:
for prov in self.provided_osgi:
if prov.bundle == req.bundle:
requires.add(req.get_rpm_str(version=prov.version,
namespace=prov.namespace))
break
def _handle_unknown_deps(self, unknown_deps):
unknown_msg = "Following dependencies were not resolved and " \
"requires cannot be generated. Either remove the " \
"dependencies from pom.xml or add proper packages to " \
"BuildRequires:\n"
for unknown in unknown_deps:
required_by = self._find_what_requires(unknown)
if required_by:
unknown_msg += "{art} required by {req}\n".format(art=unknown,
req=required_by)
else:
unknown_msg += "{art}\n".format(art=unknown)
raise Exception(unknown_msg)
def _handle_skipped_but_required_deps(self, skipped_but_required):
skipped_msg = "Following artifacts were built, " \
"but are not being installed. However, other " \
"artifacts require them:\n"
for skipped in skipped_but_required:
required_by = self._find_what_requires(skipped)
if required_by:
skipped_msg += "{art} required by {req}\n".format(art=skipped,
req=required_by)
else:
skipped_msg += "{art}\n".format(art=skipped)
skipped_msg += "\nEither package these artifacts or do not "\
"build them. To package them call %mvn_package "\
"in %prep.\n"
raise Exception(skipped_msg)
def _generate_java_requires(self, metadata):
requires = set()
for rule_name, fn in (('java_requires', Metadata.get_java_requires),
('java_devel_requires', Metadata.get_java_devel_requires)):
rules = self.config.get(rule_name, {})
if not rules.get('skip', False):
req_versions = fn(metadata)
if req_versions:
version_string = self._get_java_requires(req_versions)
parts = {'pkg': rules['package_name'],
'op': rules.get('cmp_operator', '>='),
'version': version_string}
requires.add("{pkg} {op} {version}".format(**parts))
elif rules.get('always_generate'):
if rules.get('package_name'):
requires.add(rules.get('package_name'))
return requires
def _get_java_requires(self, reqs):
major, minor = max([self._parse_java_requires(x) for x in reqs])
if minor:
return "1:{0}.{1}".format(major, minor)
else:
return "1:{0}".format(major)
def _parse_java_requires(self, req):
match = re.match(r'^(\d+)(?:\.(\d+))?$', req)
if not match:
raise ValueError("Unknown Java version {0}".format(req))
major = int(match.group(1))
minor = int(match.group(2) or 0)
if not minor and major < 9:
minor = major
major = 1
return major, minor
def _filter_requires(self, requires):
filters = self.config.get('requires_filter', [])
filtered = set()
regexes = []
for filt in filters:
artifact_glob = re.sub(r'\\\*', '.*', re.escape(filt))
regexes.append(re.compile(r'^{0}(\s*[<>=].*)?$'.format(artifact_glob)))
regexes.append(re.compile(r'mvn\({0}\)'.format(artifact_glob)))
for req in requires:
if not any([regex.search(req) for regex in regexes]):
filtered.add(req)
return filtered
def _get_config(self):
config = get_config()
return config.get('maven.req', {}) if config else {}
def _check_pom_deps(self, metadata):
""" Check if dependencies on POM files are satisfiable """
unresolvable = []
requests = []
deps = []
for provided in metadata.get_provided_artifacts():
for dep in provided.dependencies:
if dep.extension != "pom":
continue
if dep.is_provided_by(self.provided_artifacts)[0]:
continue
else:
deps.append(dep)
request = ResolutionRequest(dep.groupId, dep.artifactId,
extension=dep.extension,
classifier=dep.classifier,
version=dep.requestedVersion)
requests.append(request)
if requests:
results = XMvnResolve.process_raw_request(requests)
for i, r in enumerate(results):
if not r:
unresolvable.append(deps[i])
return unresolvable
def _find_what_requires(self, artifact):
"""
Determine which artifact requires given artifact. This is an attempt to
find the artifact by guessing where the pom might be and going through
its dependencies. It is not meant to be reliable or pretty, just to
print more descriptive error messages when we can. If it cannot find
anything, returns None.
"""
# TODO: simplify this
try:
pom_dir = os.path.join(self.metadata_dir, '..', 'maven-poms')
for dirname, _, filenames in os.walk(pom_dir):
for filename in filenames:
if filename.endswith(".pom"):
pomfile = os.path.join(dirname, filename)
pom = POM(pomfile)
dependencies = pom.dependencies
for dep in dependencies:
if dep.scope not in ('compile', 'runtime'):
if not (dep.scope == 'test' and pom.packaging == 'pom'):
continue
if (artifact.artifactId == dep.artifactId and
artifact.groupId == dep.groupId and
artifact.extension == dep.extension and
artifact.classifier == dep.classifier):
return "{g}:{a}".format(g=pom.groupId,
a=pom.artifactId)
except Exception:
pass
return None
if __name__ == "__main__":
rpmconf = None
try:
rpmconf = init_rpmgen(sys.argv)
builder = TagBuilder()
except Exception:
traceback.print_exc(file=sys.stderr)
kill_parent_process(rpmconf)
# Local Variables:
# mode: Python
# End:
# vi: ft=python
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