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compileall.py
"""Module/script to byte-compile all .py files to .pyc (or .pyo) 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. """ import os import sys import py_compile import struct import imp __all__ = ["compile_dir","compile_file","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: the directory that will be prepended to the path to the file as it is compiled into each byte-code file. 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 not os.path.isdir(fullname): if not compile_file(fullname, ddir, force, rx, quiet): 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_file(fullname, ddir=None, force=0, rx=None, quiet=0): """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 1, force compilation, even if timestamps are up-to-date quiet: if 1, be quiet during compilation """ success = 1 name = os.path.basename(fullname) 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: return success if os.path.isfile(fullname): head, tail = name[:-3], name[-3:] if tail == '.py': if not force: try: mtime = int(os.stat(fullname).st_mtime) expect = struct.pack('<4sl', imp.get_magic(), mtime) cfile = fullname + (__debug__ and 'c' or 'o') with open(cfile, 'rb') as chandle: actual = chandle.read(8) if expect == actual: return success except IOError: pass if not quiet: print 'Compiling', fullname, '...' try: ok = py_compile.compile(fullname, None, dfile, True) except py_compile.PyCompileError,err: if quiet: print 'Compiling', fullname, '...' print err.msg success = 0 except IOError, e: print "Sorry", e success = 0 else: if ok == 0: 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 expand_args(args, flist): """read names in flist and append to args""" expanded = args[:] if flist: try: if flist == '-': fd = sys.stdin else: fd = open(flist) while 1: line = fd.readline() if not line: break expanded.append(line[:-1]) except IOError: print "Error reading file list %s" % flist raise return expanded def main(): """Script main program.""" import getopt try: opts, args = getopt.getopt(sys.argv[1:], 'lfqd:x:i:') except getopt.error, msg: print msg print "usage: python compileall.py [-l] [-f] [-q] [-d destdir] " \ "[-x regexp] [-i list] [directory|file ...]" print print "arguments: zero or more file and directory names to compile; " \ "if no arguments given, " print " defaults to the equivalent of -l sys.path" print print "options:" print "-l: don't recurse into subdirectories" print "-f: force rebuild even if timestamps are up-to-date" print "-q: output only error messages" print "-d destdir: directory to prepend to file paths for use in " \ "compile-time tracebacks and in" print " runtime tracebacks in cases where the source " \ "file is unavailable" print "-x regexp: skip files matching the regular expression regexp; " \ "the regexp is searched for" print " in the full path of each file considered for " \ "compilation" print "-i file: add all the files and directories listed in file to " \ "the list considered for" print ' compilation; if "-", names are read from stdin' sys.exit(2) maxlevels = 10 ddir = None force = 0 quiet = 0 rx = None flist = 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 o == '-i': flist = a if ddir: if len(args) != 1 and not os.path.isdir(args[0]): print "-d destdir require exactly one directory argument" sys.exit(2) success = 1 try: if args or flist: try: if flist: args = expand_args(args, flist) except IOError: success = 0 if success: for arg in args: if os.path.isdir(arg): if not compile_dir(arg, maxlevels, ddir, force, rx, quiet): success = 0 else: if not compile_file(arg, ddir, force, rx, quiet): success = 0 else: success = compile_path() except KeyboardInterrupt: print "\n[interrupted]" success = 0 return success if __name__ == '__main__': exit_status = int(not main()) sys.exit(exit_status)
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