diff --git a/compileall2.py b/compileall2.py new file mode 100644 index 0000000..8976fa0 --- /dev/null +++ b/compileall2.py @@ -0,0 +1,508 @@ +"""Module/script to byte-compile all .py files to .pyc files. + +When called as a script with arguments, this compiles the directories +given as arguments recursively; the -l option prevents it from +recursing into directories. + +Without arguments, if compiles all modules on sys.path, without +recursing into subdirectories. (Even though it should do so for +packages -- for now, you'll have to deal with packages separately.) + +See module py_compile for details of the actual byte-compilation. + +License: +Compileall2 is an enhanced copy of Python's compileall module +and it follows Python licensing. For more info see: https://www.python.org/psf/license/ +""" +import os +import sys +import importlib.util +import py_compile +import struct +import filecmp + +from functools import partial +from pathlib import Path + +# Python 3.7 and higher +PY37 = sys.version_info[0:2] >= (3, 7) +# Python 3.6 and higher +PY36 = sys.version_info[0:2] >= (3, 6) +# Python 3.5 and higher +PY35 = sys.version_info[0:2] >= (3, 5) + +# Python 3.7 and above has a different structure and length +# of pyc files header. Also, multiple ways how to invalidate pyc file was +# introduced in Python 3.7. These cases are covered by variables here or by PY37 +# variable itself. +if PY37: + pyc_struct_format = '<4sll' + pyc_header_lenght = 12 + pyc_header_format = (pyc_struct_format, importlib.util.MAGIC_NUMBER, 0) +else: + pyc_struct_format = '<4sl' + pyc_header_lenght = 8 + pyc_header_format = (pyc_struct_format, importlib.util.MAGIC_NUMBER) + +__all__ = ["compile_dir","compile_file","compile_path"] + +def optimization_kwarg(opt): + """Returns opt as a dictionary {optimization: opt} for use as **kwarg + for Python >= 3.5 and empty dictionary for Python 3.4""" + if PY35: + return dict(optimization=opt) + else: + # `debug_override` is a way how to enable optimized byte-compiled files + # (.pyo) in Python <= 3.4 + if opt: + return dict(debug_override=False) + else: + return dict() + +def _walk_dir(dir, maxlevels, quiet=0): + if PY36 and quiet < 2 and isinstance(dir, os.PathLike): + dir = os.fspath(dir) + else: + dir = str(dir) + if not quiet: + print('Listing {!r}...'.format(dir)) + try: + names = os.listdir(dir) + except OSError: + if quiet < 2: + print("Can't list {!r}".format(dir)) + names = [] + names.sort() + for name in names: + if name == '__pycache__': + continue + fullname = os.path.join(dir, name) + if not os.path.isdir(fullname): + yield fullname + elif (maxlevels > 0 and name != os.curdir and name != os.pardir and + os.path.isdir(fullname) and not os.path.islink(fullname)): + yield from _walk_dir(fullname, maxlevels=maxlevels - 1, + quiet=quiet) + +def compile_dir(dir, maxlevels=None, ddir=None, force=False, + rx=None, quiet=0, legacy=False, optimize=-1, workers=1, + invalidation_mode=None, stripdir=None, + prependdir=None, limit_sl_dest=None, hardlink_dupes=False): + """Byte-compile all modules in the given directory tree. + + Arguments (only dir is required): + + dir: the directory to byte-compile + maxlevels: maximum recursion level (default `sys.getrecursionlimit()`) + ddir: the directory that will be prepended to the path to the + file as it is compiled into each byte-code file. + force: if True, force compilation, even if timestamps are up-to-date + quiet: full output with False or 0, errors only with 1, + no output with 2 + legacy: if True, produce legacy pyc paths instead of PEP 3147 paths + optimize: int or list of optimization levels or -1 for level of + the interpreter. Multiple levels leads to multiple compiled + files each with one optimization level. + workers: maximum number of parallel workers + invalidation_mode: how the up-to-dateness of the pyc will be checked + stripdir: part of path to left-strip from source file path + prependdir: path to prepend to beggining of original file path, applied + after stripdir + limit_sl_dest: ignore symlinks if they are pointing outside of + the defined path + hardlink_dupes: hardlink duplicated pyc files + """ + ProcessPoolExecutor = None + if workers is not None: + if workers < 0: + raise ValueError('workers must be greater or equal to 0') + elif workers != 1: + try: + # Only import when needed, as low resource platforms may + # fail to import it + from concurrent.futures import ProcessPoolExecutor + except ImportError: + workers = 1 + if maxlevels is None: + maxlevels = sys.getrecursionlimit() + files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels) + success = True + if workers is not None and workers != 1 and ProcessPoolExecutor is not None: + workers = workers or None + with ProcessPoolExecutor(max_workers=workers) as executor: + results = executor.map(partial(compile_file, + ddir=ddir, force=force, + rx=rx, quiet=quiet, + legacy=legacy, + optimize=optimize, + invalidation_mode=invalidation_mode, + stripdir=stripdir, + prependdir=prependdir, + limit_sl_dest=limit_sl_dest), + files) + success = min(results, default=True) + else: + for file in files: + if not compile_file(file, ddir, force, rx, quiet, + legacy, optimize, invalidation_mode, + stripdir=stripdir, prependdir=prependdir, + limit_sl_dest=limit_sl_dest, + hardlink_dupes=hardlink_dupes): + success = False + return success + +def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0, + legacy=False, optimize=-1, + invalidation_mode=None, stripdir=None, prependdir=None, + limit_sl_dest=None, hardlink_dupes=False): + """Byte-compile one file. + + Arguments (only fullname is required): + + fullname: the file to byte-compile + ddir: if given, the directory name compiled in to the + byte-code file. + force: if True, force compilation, even if timestamps are up-to-date + quiet: full output with False or 0, errors only with 1, + no output with 2 + legacy: if True, produce legacy pyc paths instead of PEP 3147 paths + optimize: int or list of optimization levels or -1 for level of + the interpreter. Multiple levels leads to multiple compiled + files each with one optimization level. + invalidation_mode: how the up-to-dateness of the pyc will be checked + stripdir: part of path to left-strip from source file path + prependdir: path to prepend to beggining of original file path, applied + after stripdir + limit_sl_dest: ignore symlinks if they are pointing outside of + the defined path. + hardlink_dupes: hardlink duplicated pyc files + """ + + if ddir is not None and (stripdir is not None or prependdir is not None): + raise ValueError(("Destination dir (ddir) cannot be used " + "in combination with stripdir or prependdir")) + + success = True + if PY36 and quiet < 2 and isinstance(fullname, os.PathLike): + fullname = os.fspath(fullname) + else: + fullname = str(fullname) + name = os.path.basename(fullname) + + dfile = None + + if ddir is not None: + if not PY36: + ddir = str(ddir) + dfile = os.path.join(ddir, name) + + if stripdir is not None: + fullname_parts = fullname.split(os.path.sep) + stripdir_parts = stripdir.split(os.path.sep) + ddir_parts = list(fullname_parts) + + for spart, opart in zip(stripdir_parts, fullname_parts): + if spart == opart: + ddir_parts.remove(spart) + + dfile = os.path.join(*ddir_parts) + + if prependdir is not None: + if dfile is None: + dfile = os.path.join(prependdir, fullname) + else: + dfile = os.path.join(prependdir, dfile) + + if isinstance(optimize, int): + optimize = [optimize] + + if hardlink_dupes: + raise ValueError(("Hardlinking of duplicated bytecode makes sense " + "only for more than one optimization level.")) + + if rx is not None: + mo = rx.search(fullname) + if mo: + return success + + if limit_sl_dest is not None and os.path.islink(fullname): + if Path(limit_sl_dest).resolve() not in Path(fullname).resolve().parents: + return success + + opt_cfiles = {} + + if os.path.isfile(fullname): + for opt_level in optimize: + if legacy: + opt_cfiles[opt_level] = fullname + 'c' + else: + if opt_level >= 0: + opt = opt_level if opt_level >= 1 else '' + opt_kwarg = optimization_kwarg(opt) + cfile = (importlib.util.cache_from_source( + fullname, **opt_kwarg)) + opt_cfiles[opt_level] = cfile + else: + cfile = importlib.util.cache_from_source(fullname) + opt_cfiles[opt_level] = cfile + + head, tail = name[:-3], name[-3:] + if tail == '.py': + if not force: + try: + mtime = int(os.stat(fullname).st_mtime) + expect = struct.pack(*(pyc_header_format + (mtime,))) + for cfile in opt_cfiles.values(): + with open(cfile, 'rb') as chandle: + actual = chandle.read(pyc_header_lenght) + if expect != actual: + break + else: + return success + except OSError: + pass + if not quiet: + print('Compiling {!r}...'.format(fullname)) + try: + for index, opt_level in enumerate(sorted(optimize)): + cfile = opt_cfiles[opt_level] + if PY37: + ok = py_compile.compile(fullname, cfile, dfile, True, + optimize=opt_level, + invalidation_mode=invalidation_mode) + else: + ok = py_compile.compile(fullname, cfile, dfile, True, + optimize=opt_level) + + if index > 0 and hardlink_dupes: + previous_cfile = opt_cfiles[optimize[index - 1]] + if previous_cfile == cfile and optimize[0] not in (1, 2): + # Python 3.4 has only one .pyo file for -O and -OO so + # we hardlink it only if there is a .pyc file + # with the same content + previous_cfile = opt_cfiles[optimize[0]] + if previous_cfile != cfile and filecmp.cmp(cfile, previous_cfile, shallow=False): + os.unlink(cfile) + os.link(previous_cfile, cfile) + + except py_compile.PyCompileError as err: + success = False + if quiet >= 2: + return success + elif quiet: + print('*** Error compiling {!r}...'.format(fullname)) + else: + print('*** ', end='') + # escape non-printable characters in msg + msg = err.msg.encode(sys.stdout.encoding, + errors='backslashreplace') + msg = msg.decode(sys.stdout.encoding) + print(msg) + except (SyntaxError, UnicodeError, OSError) as e: + success = False + if quiet >= 2: + return success + elif quiet: + print('*** Error compiling {!r}...'.format(fullname)) + else: + print('*** ', end='') + print(e.__class__.__name__ + ':', e) + else: + if ok == 0: + success = False + return success + +def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=0, + legacy=False, optimize=-1, + invalidation_mode=None): + """Byte-compile all module on sys.path. + + Arguments (all optional): + + skip_curdir: if true, skip current directory (default True) + maxlevels: max recursion level (default 0) + force: as for compile_dir() (default False) + quiet: as for compile_dir() (default 0) + legacy: as for compile_dir() (default False) + optimize: as for compile_dir() (default -1) + invalidation_mode: as for compiler_dir() + """ + success = True + for dir in sys.path: + if (not dir or dir == os.curdir) and skip_curdir: + if quiet < 2: + print('Skipping current directory') + else: + success = success and compile_dir( + dir, + maxlevels, + None, + force, + quiet=quiet, + legacy=legacy, + optimize=optimize, + invalidation_mode=invalidation_mode, + ) + return success + + +def main(): + """Script main program.""" + import argparse + + parser = argparse.ArgumentParser( + description='Utilities to support installing Python libraries.') + parser.add_argument('-l', action='store_const', const=0, + default=None, dest='maxlevels', + help="don't recurse into subdirectories") + parser.add_argument('-r', type=int, dest='recursion', + help=('control the maximum recursion level. ' + 'if `-l` and `-r` options are specified, ' + 'then `-r` takes precedence.')) + parser.add_argument('-f', action='store_true', dest='force', + help='force rebuild even if timestamps are up to date') + parser.add_argument('-q', action='count', dest='quiet', default=0, + help='output only error messages; -qq will suppress ' + 'the error messages as well.') + parser.add_argument('-b', action='store_true', dest='legacy', + help='use legacy (pre-PEP3147) compiled file locations') + parser.add_argument('-d', metavar='DESTDIR', dest='ddir', default=None, + help=('directory to prepend to file paths for use in ' + 'compile-time tracebacks and in runtime ' + 'tracebacks in cases where the source file is ' + 'unavailable')) + parser.add_argument('-s', metavar='STRIPDIR', dest='stripdir', + default=None, + help=('part of path to left-strip from path ' + 'to source file - for example buildroot. ' + '`-d` and `-s` options cannot be ' + 'specified together.')) + parser.add_argument('-p', metavar='PREPENDDIR', dest='prependdir', + default=None, + help=('path to add as prefix to path ' + 'to source file - for example / to make ' + 'it absolute when some part is removed ' + 'by `-s` option. ' + '`-d` and `-p` options cannot be ' + 'specified together.')) + parser.add_argument('-x', metavar='REGEXP', dest='rx', default=None, + help=('skip files matching the regular expression; ' + 'the regexp is searched for in the full path ' + 'of each file considered for compilation')) + parser.add_argument('-i', metavar='FILE', dest='flist', + help=('add all the files and directories listed in ' + 'FILE to the list considered for compilation; ' + 'if "-", names are read from stdin')) + parser.add_argument('compile_dest', metavar='FILE|DIR', nargs='*', + help=('zero or more file and directory names ' + 'to compile; if no arguments given, defaults ' + 'to the equivalent of -l sys.path')) + parser.add_argument('-j', '--workers', default=1, + type=int, help='Run compileall concurrently') + parser.add_argument('-o', action='append', type=int, dest='opt_levels', + help=('Optimization levels to run compilation with. ' + 'Default is -1 which uses optimization level of ' + 'Python interpreter itself (specified by -O).')) + parser.add_argument('-e', metavar='DIR', dest='limit_sl_dest', + help='Ignore symlinks pointing outsite of the DIR') + parser.add_argument('--hardlink-dupes', action='store_true', + dest='hardlink_dupes', + help='Hardlink duplicated pyc files') + + if PY37: + invalidation_modes = [mode.name.lower().replace('_', '-') + for mode in py_compile.PycInvalidationMode] + parser.add_argument('--invalidation-mode', + choices=sorted(invalidation_modes), + help=('set .pyc invalidation mode; defaults to ' + '"checked-hash" if the SOURCE_DATE_EPOCH ' + 'environment variable is set, and ' + '"timestamp" otherwise.')) + + args = parser.parse_args() + compile_dests = args.compile_dest + + if args.rx: + import re + args.rx = re.compile(args.rx) + + if args.limit_sl_dest == "": + args.limit_sl_dest = None + + if args.recursion is not None: + maxlevels = args.recursion + else: + maxlevels = args.maxlevels + + if args.opt_levels is None: + args.opt_levels = [-1] + + if len(args.opt_levels) == 1 and args.hardlink_dupes: + parser.error(("Hardlinking of duplicated bytecode makes sense " + "only for more than one optimization level.")) + + if args.ddir is not None and ( + args.stripdir is not None or args.prependdir is not None + ): + parser.error("-d cannot be used in combination with -s or -p") + + # if flist is provided then load it + if args.flist: + try: + with (sys.stdin if args.flist=='-' else open(args.flist)) as f: + for line in f: + compile_dests.append(line.strip()) + except OSError: + if args.quiet < 2: + print("Error reading file list {}".format(args.flist)) + return False + + if args.workers is not None: + args.workers = args.workers or None + + if PY37 and args.invalidation_mode: + ivl_mode = args.invalidation_mode.replace('-', '_').upper() + invalidation_mode = py_compile.PycInvalidationMode[ivl_mode] + else: + invalidation_mode = None + + success = True + try: + if compile_dests: + for dest in compile_dests: + if os.path.isfile(dest): + if not compile_file(dest, args.ddir, args.force, args.rx, + args.quiet, args.legacy, + invalidation_mode=invalidation_mode, + stripdir=args.stripdir, + prependdir=args.prependdir, + optimize=args.opt_levels, + limit_sl_dest=args.limit_sl_dest, + hardlink_dupes=args.hardlink_dupes): + success = False + else: + if not compile_dir(dest, maxlevels, args.ddir, + args.force, args.rx, args.quiet, + args.legacy, workers=args.workers, + invalidation_mode=invalidation_mode, + stripdir=args.stripdir, + prependdir=args.prependdir, + optimize=args.opt_levels, + limit_sl_dest=args.limit_sl_dest, + hardlink_dupes=args.hardlink_dupes): + success = False + return success + else: + return compile_path(legacy=args.legacy, force=args.force, + quiet=args.quiet, + invalidation_mode=invalidation_mode) + except KeyboardInterrupt: + if args.quiet < 2: + print("\n[interrupted]") + return False + return True + + +if __name__ == '__main__': + exit_status = int(not main()) + sys.exit(exit_status) diff --git a/python-rpm-macros.spec b/python-rpm-macros.spec index fc089c0..30d1557 100644 --- a/python-rpm-macros.spec +++ b/python-rpm-macros.spec @@ -1,14 +1,16 @@ Name: python-rpm-macros Version: 3 -Release: 45%{?dist} +Release: 46%{?dist} Summary: The unversioned Python RPM macros -License: MIT +# macros: MIT, compileall2.py: PSFv2 +License: MIT and Python Source0: macros.python Source1: macros.python-srpm Source2: macros.python2 Source3: macros.python3 Source4: macros.pybytecompile +Source5: https://github.com/fedora-python/compileall2/raw/v0.7.0/compileall2.py BuildArch: noarch # For %%python3_pkgversion used in %%python_provide @@ -25,6 +27,7 @@ python?-devel packages require it. So install a python-devel package instead. %package -n python-srpm-macros Summary: RPM macros for building Python source packages +Requires: redhat-rpm-config %description -n python-srpm-macros RPM macros for building Python source packages. @@ -53,10 +56,13 @@ RPM macros for building Python 3 packages. %build %install -mkdir -p %{buildroot}/%{rpmmacrodir} +mkdir -p %{buildroot}%{rpmmacrodir} install -m 644 %{SOURCE0} %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} \ - %{buildroot}/%{rpmmacrodir}/ + %{buildroot}%{rpmmacrodir}/ +mkdir -p %{buildroot}%{_rpmconfigdir}/redhat +install -m 644 %{SOURCE5} \ + %{buildroot}%{_rpmconfigdir}/redhat/ %files %{rpmmacrodir}/macros.python @@ -64,6 +70,7 @@ install -m 644 %{SOURCE0} %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} \ %files -n python-srpm-macros %{rpmmacrodir}/macros.python-srpm +%{_rpmconfigdir}/redhat/compileall2.py %files -n python2-rpm-macros %{rpmmacrodir}/macros.python2 @@ -73,6 +80,9 @@ install -m 644 %{SOURCE0} %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} \ %changelog +* Mon Feb 10 2020 Miro Hrončok - 3-46 +- Add the compileall2 module (0.7.0) to be used in various Python spec files + * Fri Feb 07 2020 Miro Hrončok - 3-45 - Define %%py(2|3)?_shbang_opts_nodash to be used with pathfix.py -a