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IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. from __future__ import with_statement import logging import os import re import sys from filecmp import dircmp, cmpfiles, cmp as fcmp from optparse import OptionParser, SUPPRESS_HELP from os.path import isabs, isdir, islink, exists, join, normpath, realpath,\ split from shutil import rmtree, copy as fcopy from stat import ST_MODE, S_IXUSR, S_IXGRP, S_IXOTH from debpython.debhelper import DebHelper from debpython.depends import Dependencies from debpython.version import SUPPORTED, DEFAULT, \ debsorted, getver, vrepr, parse_pycentral_vrange, \ get_requested_versions, parse_vrange, vrange_str import debpython.namespace as ns from debpython.pydist import validate as validate_pydist, \ PUBLIC_DIR_RE from debpython.tools import sitedir, relative_symlink, \ fix_shebang, shebang2pyver, \ so2pyver, clean_egg_name, \ pyinstall, pyremove from debpython.option import Option # initialize script logging.basicConfig(format='%(levelname).1s: %(module)s:%(lineno)d: ' '%(message)s') log = logging.getLogger(__name__) os.umask(022) EGGnPTH_RE = re.compile(r'(.*?)(-py\d\.\d+)?(.*?)(\.egg-info|\.pth)$') # naming conventions used in the file: # * version - tuple of integers # * ver - string representation of version # * vrange - version range, pair of max and min versions # * fn - file name (without path) # * fpath - file path ### FILES ###################################################### def fix_locations(package): """Move files to the right location.""" found_versions = {} for version in SUPPORTED: ver = vrepr(version) to_check = [i % ver for i in (\ 'usr/local/lib/python%s/site-packages', 'usr/local/lib/python%s/dist-packages', 'var/lib/python-support/python%s', 'usr/lib/pymodules/python%s')] if version >= (2, 6): to_check.append("usr/lib/python%s/site-packages" % ver) dstdir = sitedir(version, package) for location in to_check: srcdir = "debian/%s/%s" % (package, location) if isdir(srcdir): if ver in found_versions: log.error('files for version %s ' 'found in two locations:\n %s\n %s', ver, location, found_versions[ver]) exit(2) log.info('Python %s should install files in %s. ' 'Did you forget "--install-layout=deb"?', ver, sitedir(version)) if not isdir(dstdir): os.makedirs(dstdir) # TODO: what about relative symlinks? log.debug('moving files from %s to %s', srcdir, dstdir) os.renames(srcdir, dstdir) found_versions[ver] = location # do the same with debug locations dbg_to_check = ['usr/lib/debug/%s' % i for i in to_check] dbg_to_check.append("usr/lib/debug/usr/lib/pyshared/python%s" % ver) dstdir = sitedir(version, package, gdb=True) for location in dbg_to_check: srcdir = "debian/%s/%s" % (package, location) if isdir(srcdir): if not isdir(dstdir): os.makedirs(dstdir) log.debug('moving files from %s to %s', srcdir, dstdir) os.renames(srcdir, dstdir) ### SHARING FILES ############################################## def share(package, stats, options): """Move files to /usr/share/pyshared/ if possible.""" if package.endswith('-dbg'): # nothing to share in debug packages return pubvers = debsorted(i for i in stats['public_vers'] if i[0] == 2) if len(pubvers) > 1: for pos, version1 in enumerate(pubvers): dir1 = sitedir(version1, package) for version2 in pubvers[pos + 1:]: dir2 = sitedir(version2, package) dc = dircmp(dir1, dir2) share_2x(dir1, dir2, dc) elif len(pubvers) == 1: # don't install into pyshared anymore pass if options.guess_versions and pubvers: for version in get_requested_versions(options.vrange): if version not in pubvers: log.debug('guessing files for Python %s', vrepr(version)) versions_without_ext = debsorted(set(pubvers) -\ stats['ext']) if not versions_without_ext: log.error('extension for python%s is missing. ' 'Build extensions for all supported Python ' 'versions (`pyversions -vr`) or adjust ' 'X-Python-Version field or pass ' '--no-guessing-versions to dh_python2', vrepr(version)) exit(3) srcver = versions_without_ext[0] if srcver in stats['public_vers']: stats['public_vers'].add(version) share_2x(sitedir(srcver, package), sitedir(version, package)) # remove duplicates stats['requires.txt'] = set(realpath(i) for i in stats['requires.txt']) stats['nsp.txt'] = set(realpath(i) for i in stats['nsp.txt']) def move_to_pyshared(dir1): # dir1 starts with debian/packagename/usr/lib/pythonX.Y/*-packages/ debian, package, path = dir1.split('/', 2) dstdir = join(debian, package, 'usr/share/pyshared/', \ '/'.join(dir1.split('/')[6:])) fext = lambda fname: fname.rsplit('.', 1)[-1] for i in os.listdir(dir1): fpath1 = join(dir1, i) if isdir(fpath1) and not islink(fpath1): if any(fn for fn in os.listdir(fpath1) if fext(fn) != 'so'): # at least one file that is not an extension move_to_pyshared(join(dir1, i)) else: if fext(i) == 'so': continue fpath2 = join(dstdir, i) if not exists(fpath2): if not exists(dstdir): os.makedirs(dstdir) if islink(fpath1): fpath1_target = os.readlink(fpath1) if isabs(fpath1_target): os.symlink(fpath1_target, fpath2) else: fpath1_target = normpath(join(dir1, fpath1_target)) relative_symlink(fpath1_target, fpath2) os.remove(fpath1) else: os.rename(fpath1, fpath2) relative_symlink(fpath2, fpath1) def create_ext_links(dir1): """Create extension symlinks in /usr/lib/pyshared/pythonX.Y. These symlinks are used to let dpkg detect file conflicts with python-support and python-central packages. """ debian, package, path = dir1.split('/', 2) python, _, module_subpath = path[8:].split('/', 2) dstdir = join(debian, package, 'usr/lib/pyshared/', python, module_subpath) for i in os.listdir(dir1): fpath1 = join(dir1, i) if isdir(fpath1): create_ext_links(fpath1) elif i.rsplit('.', 1)[-1] == 'so': fpath2 = join(dstdir, i) if exists(fpath2): continue if not exists(dstdir): os.makedirs(dstdir) relative_symlink(fpath1, join(dstdir, i)) def create_public_links(dir1, vrange, root=''): """Create public module symlinks for given directory.""" debian, package, path = dir1.split('/', 2) versions = get_requested_versions(vrange) for fn in os.listdir(dir1): fpath1 = join(dir1, fn) if isdir(fpath1): create_public_links(fpath1, vrange, join(root, fn)) else: for version in versions: dstdir = join(sitedir(version, package), root) if not exists(dstdir): os.makedirs(dstdir) relative_symlink(fpath1, join(dstdir, fn)) def share_2x(dir1, dir2, dc=None): """Move common files to pyshared and create symlinks in original locations.""" debian, package, path = dir2.split('/', 2) # dir1 starts with debian/packagename/usr/lib/pythonX.Y/*-packages/ dstdir = join(debian, package, 'usr/share/pyshared/', \ '/'.join(dir1.split('/')[6:])) if not exists(dstdir) and not islink(dir1): os.makedirs(dstdir) if dc is None: # guess/copy mode if not exists(dir2): os.makedirs(dir2) common_dirs = [] common_files = [] for i in os.listdir(dir1): subdir1 = join(dir1, i) if isdir(subdir1) and not islink(subdir1): common_dirs.append([i, None]) else: # directories with .so files will be blocked earlier common_files.append(i) elif islink(dir1): # skip this symlink in pyshared # (dpkg has problems with symlinks anyway) common_dirs = [] common_files = [] else: common_dirs = dc.subdirs.iteritems() common_files = dc.common_files # dircmp returns common names only, lets check files more carefully... common_files = cmpfiles(dir1, dir2, common_files, shallow=False)[0] for fn in common_files: if 'so' in fn.split('.'): # foo.so, bar.so.0.1.2, etc. # in unlikely case where extensions are exactly the same continue fpath1 = join(dir1, fn) fpath2 = join(dir2, fn) fpath3 = join(dstdir, fn) # do not touch symlinks created by previous loop or other tools if dc and not islink(fpath1): # replace with a link to pyshared if not exists(fpath3): os.rename(fpath1, fpath3) relative_symlink(fpath3, fpath1) elif fcmp(fpath3, fpath1, shallow=False): os.remove(fpath1) relative_symlink(fpath3, fpath1) if dc is None: # guess/copy mode if islink(fpath1): # ralative links will work as well, it's always the same level os.symlink(os.readlink(fpath1), fpath2) else: if exists(fpath3): # cannot share it, pyshared contains another copy fcopy(fpath1, fpath2) else: # replace with a link to pyshared os.rename(fpath1, fpath3) relative_symlink(fpath3, fpath1) relative_symlink(fpath3, fpath2) elif exists(fpath2) and exists(fpath3) and \ fcmp(fpath2, fpath3, shallow=False): os.remove(fpath2) relative_symlink(fpath3, fpath2) for dn, dc in common_dirs: share_2x(join(dir1, dn), join(dir2, dn), dc) ### PACKAGE DETAILS ############################################ def scan(package, dname=None, options=None): """Gather statistics about Python files in given package.""" r = {'requires.txt': set(), 'nsp.txt': set(), 'shebangs': set(), 'public_vers': set(), 'private_dirs': {}, 'compile': False, 'ext': set()} dbg_package = package.endswith('-dbg') if not dname: proot = "debian/%s" % package if dname is False: private_to_check = [] else: private_to_check = [i % package for i in ('usr/lib/%s', 'usr/lib/games/%s', 'usr/share/%s', 'usr/share/games/%s')] else: # scan private directory *only* dname = dname.strip('/') proot = join('debian', package, dname) private_to_check = [dname] for root, dirs, file_names in os.walk(proot): # ignore Python 3.X locations if '/usr/lib/python3' in root or\ '/usr/local/lib/python3' in root: # warn only once if root[root.find('/lib/python'):].count('/') == 2: log.warning('Python 3.x location detected, ' 'please use dh_python3: %s', root) continue bin_dir = private_dir = None public_dir = PUBLIC_DIR_RE.match(root) if public_dir: version = getver(public_dir.group(1)) if root.endswith('-packages'): r['public_vers'].add(version) else: # TODO: find a way to specify Python version private # extension was build for version = False for i in private_to_check: if root.startswith(join('debian', package, i)): private_dir = '/' + i break else: # i.e. not public_dir and not private_dir if len(root.split('/', 6)) < 6 and (\ root.endswith('/sbin') or root.endswith('/bin') or\ root.endswith('/usr/games')): # /(s)bin or /usr/(s)bin or /usr/games bin_dir = root # handle some EGG related data (.egg-info dirs) for name in dirs: if name.endswith('.egg-info'): if dbg_package and options.clean_dbg_pkg: rmtree(join(root, name)) dirs.remove(name) continue clean_name = clean_egg_name(name) if clean_name != name: log.info('renaming %s to %s', name, clean_name) os.rename(join(root, name), join(root, clean_name)) dirs[dirs.index(name)] = clean_name if root.endswith('.egg-info'): if 'requires.txt' in file_names: r['requires.txt'].add(join(root, 'requires.txt')) if 'namespace_packages.txt' in file_names: r['nsp.txt'].add(join(root, 'namespace_packages.txt')) continue # check files for fn in sorted(file_names): # sorted() to make sure .so files are handled before .so.foo fpath = join(root, fn) if not exists(fpath): # could be removed while handling .so symlinks if islink(fpath) and '.so.' in split(fpath)[-1]: # dangling symlink to (now removed/renamed) .so file # which wasn't removed yet (see test3's quux.so.0) log.info('removing symlink: %s', fpath) os.remove(fpath) continue fext = fn.rsplit('.', 1)[-1] if fext in ('pyc', 'pyo'): os.remove(fpath) continue if public_dir: if fext == 'so' and islink(fpath): dstfpath = fpath links = set() while islink(dstfpath): links.add(dstfpath) dstfpath = join(root, os.readlink(dstfpath)) if exists(dstfpath) and '.so.' in split(dstfpath)[-1]: # rename .so.$FOO symlinks, remove other ones for lpath in links: log.info('removing symlink: %s', lpath) os.remove(lpath) log.info('renaming %s to %s', dstfpath, fn) os.rename(dstfpath, fpath) if dbg_package and options.clean_dbg_pkg and \ fext not in ('so', 'h'): os.remove(join(root, fn)) continue elif private_dir: if exists(fpath): mode = os.stat(fpath)[ST_MODE] if mode & S_IXUSR or mode & S_IXGRP or mode & S_IXOTH: if (options.no_shebang_rewrite or \ fix_shebang(fpath, options.shebang)) and \ not options.ignore_shebangs: res = shebang2pyver(fpath) if res: r['private_dirs'].setdefault(private_dir, {})\ .setdefault('shebangs', set()).add(res) if public_dir or private_dir: if fext == 'so': so_version = so2pyver(join(root, fn)) if so_version: if public_dir: if version != so_version: log.error('extension linked to libpython%s ' 'and shipped in python%s\'s dist-' 'packages: %s', vrepr(so_version), vrepr(version), fn) exit(7) log.warn('public extension linked with ' 'libpython%s: %s', vrepr(so_version), fn) elif not version: version = so_version (r if public_dir else r['private_dirs'].setdefault(private_dir, {}))\ .setdefault('ext', set()).add(version) continue elif fext == 'py': (r if public_dir else r['private_dirs'].setdefault(private_dir, {}))\ ['compile'] = True continue # .egg-info files if fn.endswith('.egg-info'): clean_name = clean_egg_name(fn) if clean_name != fn: log.info('renaming %s to %s', fn, clean_name) os.rename(join(root, fn), join(root, clean_name)) continue # search for scripts in bin dirs if bin_dir: if (options.no_shebang_rewrite or \ fix_shebang(fpath, options.shebang)) and \ not options.ignore_shebangs: res = shebang2pyver(fpath) if res: r['shebangs'].add(res) if dbg_package and options.clean_dbg_pkg: # remove empty directories in -dbg packages proot = proot + '/usr/lib' for root, dirs, file_names in os.walk(proot, topdown=False): if '-packages/' in root and not file_names: try: os.rmdir(root) except Exception: pass log.debug("package %s details = %s", package, r) return r ################################################################ def main(): log.warn('Please add dh-python package to Build-Depends') usage = '%prog -p PACKAGE [-V [X.Y][-][A.B]] DIR [-X REGEXPR]\n' parser = OptionParser(usage, version='%prog 2.1', option_class=Option) parser.add_option('--no-guessing-versions', action='store_false', dest='guess_versions', default=True, help='disable guessing other supported Python versions') parser.add_option('--no-guessing-deps', action='store_false', dest='guess_deps', default=True, help='disable guessing dependencies') parser.add_option('--skip-private', action='store_true', default=False, help='don\'t check private directories') parser.add_option('-v', '--verbose', action='store_true', default=False, help='turn verbose mode on') # arch=False->arch:all only, arch=True->arch:any only, None->all of them parser.add_option('-i', '--indep', action='store_false', dest='arch', default=None, help='act on architecture independent packages') parser.add_option('-a', '-s', '--arch', action='store_true', dest='arch', help='act on architecture dependent packages') parser.add_option('-q', '--quiet', action='store_false', dest='verbose', help='be quiet') parser.add_option('-p', '--package', action='append', help='act on the package named PACKAGE') parser.add_option('-N', '--no-package', action='append', help='do not act on the specified package') parser.add_option('--compile-all', action='store_true', default=False, help='compile all files from given private directory in postinst, ' 'not just the ones provided by the package') parser.add_option('-V', type='version_range', dest='vrange', help='specify list of supported Python versions. ' +\ 'See pycompile(1) for examples') parser.add_option('-X', '--exclude', action='append', dest='regexpr', help='exclude items that match given REGEXPR. You may use this option ' 'multiple times to build up a list of things to exclude.') parser.add_option('--depends', action='append', help='translate given requirements into Debian dependencies ' 'and add them to ${python:Depends}. ' 'Use it for missing items in requires.txt.') parser.add_option('--recommends', action='append', help='translate given requirements into Debian ' 'dependencies and add them to ${python:Recommends}') parser.add_option('--suggests', action='append', help='translate given requirements into Debian ' 'dependencies and add them to ${python:Suggests}') parser.add_option('--namespace', action='append', dest='namespaces', help='recreate __init__.py files for given namespaces at install time') parser.add_option('--clean-pycentral', action='store_true', default=False, help='generate maintainer script that will remove pycentral files') parser.add_option('--shebang', help='use given command as shebang in scripts') parser.add_option('--ignore-shebangs', action='store_true', default=False, help='do not translate shebangs into Debian dependencies') parser.add_option('--ignore-namespace', action='store_true', default=False, help="ignore Egg's namespace_packages.txt file and --namespace option") parser.add_option('--no-dbg-cleaning', action='store_false', dest='clean_dbg_pkg', default=True, help='do not remove files from debug packages') parser.add_option('--no-shebang-rewrite', action='store_true', default=False, help='do not rewrite shebangs') # ignore some debhelper options: parser.add_option('-O', help=SUPPRESS_HELP) options, args = parser.parse_args(sys.argv[1:] + \ os.environ.get('DH_OPTIONS', '').split()) # regexpr option type is not used so lets check patterns here for pattern in options.regexpr or []: # fail now rather than at runtime try: pattern = re.compile(pattern) except Exception: log.error('regular expression is not valid: %s', pattern) exit(1) if not options.vrange and exists('debian/pyversions'): log.debug('parsing version range from debian/pyversions') with open('debian/pyversions') as fp: for line in fp: line = line.strip() if line and not line.startswith('#'): options.vrange = parse_vrange(line) break # disable PyDist if dh_pydeb is used if options.guess_deps: try: rules = open('debian/rules', 'r').read() except IOError: log.warning('cannot open debian/rules file') else: if re.search('\n\s*dh_pydeb', rules) or \ re.search('\n\s*dh\s+[^#]*--with[^#]+pydeb', rules): log.warning('dh_pydeb detected, PyDist feature disabled') options.guess_deps = False if not args: private_dir = None else: private_dir = args[0] if not private_dir.startswith('/'): # handle usr/share/foo dirs (without leading slash) private_dir = '/' + private_dir # TODO: support more than one private dir at the same time (see :meth:scan) if options.skip_private: private_dir = False if options.verbose or os.environ.get('DH_VERBOSE') == '1': log.setLevel(logging.DEBUG) log.debug('argv: %s', sys.argv) log.debug('options: %s', options) log.debug('args: %s', args) dh = DebHelper(options) if not options.vrange and dh.python_version: options.vrange = parse_pycentral_vrange(dh.python_version) for package, pdetails in dh.packages.iteritems(): if options.arch is False and pdetails['arch'] != 'all' or \ options.arch is True and pdetails['arch'] == 'all': continue log.debug('processing package %s...', package) if not private_dir: if not pyinstall(package, options.vrange): exit(4) if not pyremove(package, options.vrange): exit(5) fix_locations(package) stats = scan(package, private_dir, options) if not private_dir: share(package, stats, options) pyshared_dir = "debian/%s/usr/share/pyshared/" % package if not stats['public_vers'] and exists(pyshared_dir): create_public_links(pyshared_dir, options.vrange) stats['public_vers'] = get_requested_versions(options.vrange) stats['compile'] = True dependencies = Dependencies(package) dependencies.parse(stats, options) if stats['public_vers']: dh.addsubstvar(package, 'python:Versions', \ ', '.join(sorted(vrepr(stats['public_vers'])))) ps = package.split('-', 1) if len(ps) > 1 and ps[0] == 'python': dh.addsubstvar(package, 'python:Provides', \ ', '.join("python%s-%s" % (i, ps[1])\ for i in sorted(vrepr(stats['public_vers'])))) pyclean_added = False # invoke pyclean only once in maintainer script if stats['compile']: if options.clean_pycentral: dh.autoscript(package, 'preinst', 'preinst-pycentral-clean', '') dh.autoscript(package, 'postinst', 'postinst-pycompile', '') dh.autoscript(package, 'prerm', 'prerm-pyclean', '') pyclean_added = True for pdir, details in stats['private_dirs'].iteritems(): if not details.get('compile'): continue if not pyclean_added: dh.autoscript(package, 'prerm', 'prerm-pyclean', '') pyclean_added = True args = pdir ext_for = details.get('ext') if ext_for is None: # no extension shebangs = list(v for i, v in details.get('shebangs', []) if v) if not options.ignore_shebangs and len(shebangs) == 1: # only one version from shebang args += " -V %s" % vrepr(shebangs[0]) elif options.vrange and options.vrange != (None, None): args += " -V %s" % vrange_str(options.vrange) elif False in ext_for: # at least one extension's version not detected if options.vrange and '-' not in vrange_str(options.vrange): ver = vrange_str(options.vrange) else: # try shebang or default Python version ver = (list(v for i, v in details.get('shebangs', []) if v) or [None])[0] or DEFAULT ver = vrepr(ver) dependencies.depend("python%s" % ver) args += " -V %s" % vrepr(ver) else: version = ext_for.pop() args += " -V %s" % vrepr(version) dependencies.depend("python%d.%d" % version) for pattern in options.regexpr or []: args += " -X '%s'" % pattern.replace("'", r"'\''") dh.autoscript(package, 'postinst', 'postinst-pycompile', args) dependencies.export_to(dh) pydist_file = join('debian', "%s.pydist" % package) if exists(pydist_file): if not validate_pydist(pydist_file): log.warning("%s.pydist file is invalid", package) else: dstdir = join('debian', package, 'usr/share/python/dist/') if not exists(dstdir): os.makedirs(dstdir) fcopy(pydist_file, join(dstdir, package)) # namespace feature - recreate __init__.py files at install time if options.ignore_namespace: nsp = None else: nsp = ns.parse(stats['nsp.txt'], options.namespaces) # note that pycompile/pyclean is already added to maintainer scripts # and it should remain there even if __init__.py was the only .py file if nsp: try: nsp = ns.remove_from_package(package, nsp, stats['public_vers']) except (IOError, OSError), e: log.error('cannot remove __init__.py from package: %s', e) exit(6) if nsp: dstdir = join('debian', package, 'usr/share/python/ns/') if not exists(dstdir): os.makedirs(dstdir) with open(join(dstdir, package), 'a') as fp: fp.writelines("%s\n" % i for i in nsp) pyshared = join('debian', package, 'usr/share/pyshared/') if isdir(pyshared) and not os.listdir(pyshared): # remove empty pyshared directory os.rmdir(pyshared) dh.save() if __name__ == '__main__': main()