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Diffstat (limited to 'lib/python2.7/compileall.py')
| -rw-r--r-- | lib/python2.7/compileall.py | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/lib/python2.7/compileall.py b/lib/python2.7/compileall.py new file mode 100644 index 0000000..c5bcb27 --- /dev/null +++ b/lib/python2.7/compileall.py @@ -0,0 +1,229 @@ +"""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 sys.platform == "win32" and sys.version.find("GCC") >= 0: + fullname = fullname.replace('\\','/') + 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) |