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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.
DEBIAN adds an -q option that allows for more quiet operation.
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.)
IN DEBIAN, we don't recompile files with up-to-date .pyc files.
See module py_compile for details of the actual byte-compilation.
"""
import os
import sys
import py_compile
def compile_dir(dir, maxlevels=10, ddir=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)
"""
print 'Listing', dir, '...'
try:
names = os.listdir(dir)
except os.error:
print "Can't list", dir
names = []
names.sort()
for name in names:
fullname = os.path.join(dir, name)
if ddir:
dfile = os.path.join(ddir, name)
else:
dfile = None
if os.path.isfile(fullname):
head, tail = name[:-3], name[-3:]
if tail == '.py':
date_py = os.stat(os.path.join(dir, head + '.py'))[8]
try:
date_pyc = os.stat(os.path.join(dir, head + '.pyc'))[8]
except:
date_pyc = -1
if date_py < date_pyc:
if not quiet: print fullname, 'is current'
else:
if not quiet: print 'Compiling', fullname, '...'
try:
py_compile.compile(fullname, None, dfile)
except KeyboardInterrupt:
raise KeyboardInterrupt
except:
if type(sys.exc_type) == type(''):
exc_type_name = sys.exc_type
else: exc_type_name = sys.exc_type.__name__
print 'Sorry:', exc_type_name + ':',
print sys.exc_value
elif maxlevels > 0 and \
name != os.curdir and name != os.pardir and \
os.path.isdir(fullname) and \
not os.path.islink(fullname):
compile_dir(fullname, maxlevels - 1, dfile, quiet=quiet)
def compile_path(skip_curdir=1, maxlevels=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)
"""
for dir in sys.path:
if (not dir or dir == os.curdir) and skip_curdir:
print 'Skipping current directory'
else:
compile_dir(dir, maxlevels, quiet=quiet)
def main():
"""Script main program."""
import getopt
try:
opts, args = getopt.getopt(sys.argv[1:], 'lqd:')
except getopt.error, msg:
print msg
print "usage: compileall [-l] [-q] [-d destdir] [directory ...]"
print "-l: don't recurse down"
print "-q: quiet operation"
print "-d destdir: purported directory name for error messages"
print "if no arguments, -l sys.path is assumed"
sys.exit(2)
maxlevels = 10
ddir = None
quiet = 0
for o, a in opts:
if o == '-l': maxlevels = 0
if o == '-q': quiet = 1
if o == '-d': ddir = a
if ddir:
if len(args) != 1:
print "-d destdir require exactly one directory argument"
sys.exit(2)
try:
if args:
for dir in args:
compile_dir(dir, maxlevels, ddir, quiet=quiet)
else:
compile_path(quiet=quiet)
except KeyboardInterrupt:
print "\n[interrupt]"
if __name__ == '__main__':
main()
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