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#!/usr/bin/pypy3
import argparse
import itertools
import os
import re
import py_compile
import subprocess
import sys
def abort(message):
print(message, file=sys.stderr)
sys.exit(1)
def package_modules(package):
"""Iterate through all python modules in an installed Debian package"""
p = subprocess.Popen(('dpkg', '-L', package), stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
files, stderr = p.communicate()
if p.returncode != 0:
abort('Unable to list files in %s. Is it installed?' % package)
for fn in files.decode('utf8').splitlines():
if fn.endswith('.py'):
if fn.startswith('/usr/share/doc/'):
continue
yield fn
def find_modules(root):
"""Iterate through all python modules in directory tree root"""
if os.path.isfile(root):
yield root
return
for dirpath, dirnames, filenames in os.walk(root):
for fn in filenames:
if fn.endswith('.py'):
yield os.path.join(dirpath, fn)
# BCEP support, from py3compile
def get_exclude_patterns_from_dir(name='/usr/share/python3/bcep/'):
"""Return patterns for files that shouldn't be bytecompiled."""
if not os.path.isdir(name):
return
for fn in os.listdir(name):
with open(os.path.join(name, fn), 'r', encoding='utf-8') as lines:
for line in lines:
type_, vrange, dname, pattern = line.split('|', 3)
if not within_vrange(vrange):
continue
pattern = pattern.rstrip('\n')
if type_ == 're':
pattern = re.compile(pattern)
yield type_, dname, pattern
def within_vrange(vrange):
"""Is our interpreter's cpython compatibility level within vrange?"""
min_, sep, max_ = vrange.partition('-')
if min_:
min_ = tuple(map(int, min_.split('.')))
if max_:
max_ = tuple(map(int, max_.split('.')))
version = sys.version_info[:2]
if not min_ and not max_:
return True
if not sep:
return version == min_
if max_ and version >= max_:
return False
if min_ and min_ > version:
return False
return True
def main():
parser = argparse.ArgumentParser(
description='Byte-compile Python source files in a package, for PyPy')
parser.add_argument('-p', '--package', metavar='PACKAGE',
action='append', default=[],
help='Debian package to byte-compile '
'(may be specified multiple times)')
parser.add_argument('directory', nargs='*',
help='Directory tree (or file) to byte-compile')
parser.add_argument('-X', '--exclude', metavar='REGEXPR',
action='append', default=[], type=re.compile,
help='Exclude items that match given REGEXPR '
'(may be specified multiple times)')
parser.add_argument('-v', '--verbose', action='store_true',
help='Be more verbose')
parser.add_argument('-q', '--quiet', action='store_true',
help='Be quiet')
parser.add_argument('-V', metavar='VRANGE', dest='vrange',
help=argparse.SUPPRESS)
parser.add_argument('-O', action='store_true', dest='pyo',
help=argparse.SUPPRESS)
args = parser.parse_args()
if not (args.package or args.directory):
parser.error('Either a package or a directory must be specified')
if args.quiet and args.verbose:
parser.error('--quiet and --verbose cannot both be specified')
if args.vrange:
print('-V is ignored in pypycompile', file=sys.stderr)
if args.pyo:
print('-O is ignored in pypycompile', file=sys.stderr)
modules_p = set(itertools.chain(*(
package_modules(package) for package in args.package)))
modules_d = set(itertools.chain(*(
find_modules(dir_) for dir_ in args.directory)))
if args.package and args.directory:
modules = modules_d & modules_p
else:
modules = modules_d | modules_p
modules = filter(lambda module: not any(pattern.match(module)
for pattern in args.exclude),
modules)
bcep_excludes = list(get_exclude_patterns_from_dir())
for module in modules:
skip = False
for pattern in args.exclude:
if pattern.match(module):
skip = True
for type_, dname, pattern in bcep_excludes:
if not module.startswith(dname):
continue
if type_ == 'dir':
skip = True
if type_ == 're' and pattern.match(module):
skip = True
if skip:
continue
if args.verbose:
print('Byte-compiling %s' % module)
try:
py_compile.compile(module, doraise=True)
except py_compile.PyCompileError as e:
if not args.quiet:
print('Failed to byte-compile %s: %s' % (module, e.msg),
file=sys.stderr)
if __name__ == '__main__':
main()
# vim: ft=python
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