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