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#!/usr/libexec/platform-python # -*- coding: utf-8 -*- # # Copyright 2010 Per Øyvind Karlsen <proyvind@moondrake.org> # Copyright 2015 Neal Gompa <ngompa13@gmail.com> # # This program is free software. It may be redistributed and/or modified under # the terms of the LGPL version 2.1 (or later). # # RPM python dependency generator, using .egg-info/.egg-link/.dist-info data # from __future__ import print_function from getopt import getopt from os.path import basename, dirname, isdir, sep from sys import argv, stdin, version from distutils.sysconfig import get_python_lib from warnings import warn opts, args = getopt( argv[1:], 'hPRrCEMmLl:', ['help', 'provides', 'requires', 'recommends', 'conflicts', 'extras', 'majorver-provides', 'majorver-provides-versions=', 'majorver-only', 'legacy-provides' , 'legacy']) Provides = False Requires = False Recommends = False Conflicts = False Extras = False Provides_PyMajorVer_Variant = False Provides_PyMajorVer_Versions = None PyMajorVer_Deps = False legacy_Provides = False legacy = False for o, a in opts: if o in ('-h', '--help'): print('-h, --help\tPrint help') print('-P, --provides\tPrint Provides') print('-R, --requires\tPrint Requires') print('-r, --recommends\tPrint Recommends') print('-C, --conflicts\tPrint Conflicts') print('-E, --extras\tPrint Extras ') print('-M, --majorver-provides\tPrint extra Provides with Python major version only for all Python versions') print(' --majorver-provides-versions VERSIONS\n' ' \tPrint extra Provides with Python major version only for listed Python VERSIONS (comma separated, no spaces, e.g. 2.7,3.6)') print('-m, --majorver-only\tPrint Provides/Requires with Python major version only') print('-L, --legacy-provides\tPrint extra legacy pythonegg Provides') print('-l, --legacy\tPrint legacy pythonegg Provides/Requires instead') exit(1) elif o in ('-P', '--provides'): Provides = True elif o in ('-R', '--requires'): Requires = True elif o in ('-r', '--recommends'): Recommends = True elif o in ('-C', '--conflicts'): Conflicts = True elif o in ('-E', '--extras'): Extras = True elif o in ('-M', '--majorver-provides'): Provides_PyMajorVer_Variant = True elif o in ('--majorver-provides-versions'): Provides_PyMajorVer_Versions = a.split(",") elif o in ('-m', '--majorver-only'): PyMajorVer_Deps = True elif o in ('-L', '--legacy-provides'): legacy_Provides = True elif o in ('-l', '--legacy'): legacy = True if Provides_PyMajorVer_Variant and Provides_PyMajorVer_Versions: print("Error, options --majorver-provides and --majorver-provides-versions are mutually incompatible.") exit(2) if Requires: py_abi = True else: py_abi = False py_deps = {} if args: files = args else: files = stdin.readlines() for f in files: f = f.strip() lower = f.lower() name = 'python(abi)' # add dependency based on path, versioned if within versioned python directory if py_abi and (lower.endswith('.py') or lower.endswith('.pyc') or lower.endswith('.pyo')): if name not in py_deps: py_deps[name] = [] purelib = get_python_lib(standard_lib=0, plat_specific=0).split(version[:3])[0] platlib = get_python_lib(standard_lib=0, plat_specific=1).split(version[:3])[0] for lib in (purelib, platlib): if lib in f: spec = ('==', f.split(lib)[1].split(sep)[0]) if spec not in py_deps[name]: py_deps[name].append(spec) # XXX: hack to workaround RPM internal dependency generator not passing directories lower_dir = dirname(lower) if lower_dir.endswith('.egg') or \ lower_dir.endswith('.egg-info') or \ lower_dir.endswith('.dist-info'): lower = lower_dir f = dirname(f) # Determine provide, requires, conflicts & recommends based on egg/dist metadata if lower.endswith('.egg') or \ lower.endswith('.egg-info') or \ lower.endswith('.dist-info'): # This import is very slow, so only do it if needed from pkg_resources import Distribution, FileMetadata, PathMetadata dist_name = basename(f) if isdir(f): path_item = dirname(f) metadata = PathMetadata(path_item, f) else: path_item = f metadata = FileMetadata(f) dist = Distribution.from_location(path_item, dist_name, metadata) # Check if py_version is defined in the metadata file/directory name if not dist.py_version: # Try to parse the Python version from the path the metadata # resides at (e.g. /usr/lib/pythonX.Y/site-packages/...) import re res = re.search(r"/python(?P<pyver>\d+\.\d+)/", path_item) if res: dist.py_version = res.group('pyver') else: warn("Version for {!r} has not been found".format(dist), RuntimeWarning) continue # XXX: https://github.com/pypa/setuptools/pull/1275 import platform platform.python_version = lambda: dist.py_version if Provides_PyMajorVer_Variant or PyMajorVer_Deps or legacy_Provides or legacy or Provides_PyMajorVer_Versions: # Get the Python major version pyver_major = dist.py_version.split('.')[0] if Provides: # If egg/dist metadata says package name is python, we provide python(abi) if dist.key == 'python': name = 'python(abi)' if name not in py_deps: py_deps[name] = [] py_deps[name].append(('==', dist.py_version)) if not legacy or not PyMajorVer_Deps: name = 'python{}dist({})'.format(dist.py_version, dist.key) if name not in py_deps: py_deps[name] = [] if Provides_PyMajorVer_Variant or PyMajorVer_Deps or \ (Provides_PyMajorVer_Versions and dist.py_version in Provides_PyMajorVer_Versions): pymajor_name = 'python{}dist({})'.format(pyver_major, dist.key) if pymajor_name not in py_deps: py_deps[pymajor_name] = [] if legacy or legacy_Provides: legacy_name = 'pythonegg({})({})'.format(pyver_major, dist.key) if legacy_name not in py_deps: py_deps[legacy_name] = [] if dist.version: spec = ('==', dist.version) if spec not in py_deps[name]: if not legacy: py_deps[name].append(spec) if Provides_PyMajorVer_Variant or \ (Provides_PyMajorVer_Versions and dist.py_version in Provides_PyMajorVer_Versions): py_deps[pymajor_name].append(spec) if legacy or legacy_Provides: py_deps[legacy_name].append(spec) if Requires or (Recommends and dist.extras): name = 'python(abi)' # If egg/dist metadata says package name is python, we don't add dependency on python(abi) if dist.key == 'python': py_abi = False if name in py_deps: py_deps.pop(name) elif py_abi and dist.py_version: if name not in py_deps: py_deps[name] = [] spec = ('==', dist.py_version) if spec not in py_deps[name]: py_deps[name].append(spec) deps = dist.requires() if Recommends: depsextras = dist.requires(extras=dist.extras) if not Requires: for dep in reversed(depsextras): if dep in deps: depsextras.remove(dep) deps = depsextras # add requires/recommends based on egg/dist metadata for dep in deps: if legacy: name = 'pythonegg({})({})'.format(pyver_major, dep.key) else: if PyMajorVer_Deps: name = 'python{}dist({})'.format(pyver_major, dep.key) else: name = 'python{}dist({})'.format(dist.py_version, dep.key) for spec in dep.specs: if spec[0] != '!=': if name not in py_deps: py_deps[name] = [] if spec not in py_deps[name]: py_deps[name].append(spec) if not dep.specs: py_deps[name] = [] # Unused, for automatic sub-package generation based on 'extras' from egg/dist metadata # TODO: implement in rpm later, or...? if Extras: deps = dist.requires() extras = dist.extras print(extras) for extra in extras: print('%%package\textras-{}'.format(extra)) print('Summary:\t{} extra for {} python package'.format(extra, dist.key)) print('Group:\t\tDevelopment/Python') depsextras = dist.requires(extras=[extra]) for dep in reversed(depsextras): if dep in deps: depsextras.remove(dep) deps = depsextras for dep in deps: for spec in dep.specs: if spec[0] == '!=': print('Conflicts:\t{} {} {}'.format(dep.key, '==', spec[1])) else: print('Requires:\t{} {} {}'.format(dep.key, spec[0], spec[1])) print('%%description\t{}'.format(extra)) print('{} extra for {} python package'.format(extra, dist.key)) print('%%files\t\textras-{}\n'.format(extra)) if Conflicts: # Should we really add conflicts for extras? # Creating a meta package per extra with recommends on, which has # the requires/conflicts in stead might be a better solution... for dep in dist.requires(extras=dist.extras): name = dep.key for spec in dep.specs: if spec[0] == '!=': if name not in py_deps: py_deps[name] = [] spec = ('==', spec[1]) if spec not in py_deps[name]: py_deps[name].append(spec) names = list(py_deps.keys()) names.sort() for name in names: if py_deps[name]: # Print out versioned provides, requires, recommends, conflicts for spec in py_deps[name]: print('{} {} {}'.format(name, spec[0], spec[1])) else: # Print out unversioned provides, requires, recommends, conflicts print(name)