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"""Module/script to "compile" all .py files to .pyc (or .pyo) file.
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.
"""
import os
import sys
import py_compile
__all__ = ["compile_dir","compile_path"]
def compile_dir(dir, maxlevels=10, ddir=None,
force=0, rx=None, quiet=0):
"""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 10)
ddir: if given, purported directory name (this is the
directory name that will show up in error messages)
force: if 1, force compilation, even if timestamps are up-to-date
quiet: if 1, be quiet during compilation
"""
if not quiet:
print('Listing', dir, '...')
try:
names = os.listdir(dir)
except os.error:
print("Can't list", dir)
names = []
names.sort()
success = 1
for name in names:
fullname = os.path.join(dir, name)
if ddir is not None:
dfile = os.path.join(ddir, name)
else:
dfile = None
if rx is not None:
mo = rx.search(fullname)
if mo:
continue
if os.path.isfile(fullname):
head, tail = name[:-3], name[-3:]
if tail == '.py':
cfile = fullname + (__debug__ and 'c' or 'o')
ftime = os.stat(fullname).st_mtime
try: ctime = os.stat(cfile).st_mtime
except os.error: ctime = 0
if (ctime > ftime) and not force: continue
if not quiet:
print('Compiling', fullname, '...')
try:
ok = py_compile.compile(fullname, None, dfile, True)
except KeyboardInterrupt:
raise KeyboardInterrupt
except py_compile.PyCompileError as err:
if quiet:
print('*** Error compiling', fullname, '...')
else:
print('*** ', end='')
print(err.msg)
success = 0
except (SyntaxError, UnicodeError, IOError) as e:
if quiet:
print('*** Error compiling', fullname, '...')
else:
print('*** ', end='')
print(e.__class__.__name__ + ':', e)
success = 0
else:
if ok == 0:
success = 0
elif maxlevels > 0 and \
name != os.curdir and name != os.pardir and \
os.path.isdir(fullname) and \
not os.path.islink(fullname):
if not compile_dir(fullname, maxlevels - 1, dfile, force, rx, quiet):
success = 0
return success
def compile_path(skip_curdir=1, maxlevels=0, force=0, quiet=0):
"""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 0)
quiet: as for compile_dir() (default 0)
"""
success = 1
for dir in sys.path:
if (not dir or dir == os.curdir) and skip_curdir:
print('Skipping current directory')
else:
success = success and compile_dir(dir, maxlevels, None,
force, quiet=quiet)
return success
def main():
"""Script main program."""
import getopt
try:
opts, args = getopt.getopt(sys.argv[1:], 'lfqd:x:')
except getopt.error as msg:
print(msg)
print("usage: python compileall.py [-l] [-f] [-q] [-d destdir] " \
"[-x regexp] [directory ...]")
print("-l: don't recurse down")
print("-f: force rebuild even if timestamps are up-to-date")
print("-q: quiet operation")
print("-d destdir: purported directory name for error messages")
print(" if no directory arguments, -l sys.path is assumed")
print("-x regexp: skip files matching the regular expression regexp")
print(" the regexp is searched for in the full path of the file")
sys.exit(2)
maxlevels = 10
ddir = None
force = 0
quiet = 0
rx = None
for o, a in opts:
if o == '-l': maxlevels = 0
if o == '-d': ddir = a
if o == '-f': force = 1
if o == '-q': quiet = 1
if o == '-x':
import re
rx = re.compile(a)
if ddir:
if len(args) != 1:
print("-d destdir require exactly one directory argument")
sys.exit(2)
success = 1
try:
if args:
for dir in args:
if not compile_dir(dir, maxlevels, ddir,
force, rx, quiet):
success = 0
else:
success = compile_path()
except KeyboardInterrupt:
print("\n[interrupt]")
success = 0
return success
if __name__ == '__main__':
exit_status = int(not main())
sys.exit(exit_status)
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