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/Lib/compileall.py

http://unladen-swallow.googlecode.com/
Python | 157 lines | 157 code | 0 blank | 0 comment | 5 complexity | ae6e57adbbca3b335c7e31eb282a6559 MD5 | raw file
  1"""Module/script to "compile" all .py files to .pyc (or .pyo) file.
  2
  3When called as a script with arguments, this compiles the directories
  4given as arguments recursively; the -l option prevents it from
  5recursing into directories.
  6
  7Without arguments, if compiles all modules on sys.path, without
  8recursing into subdirectories.  (Even though it should do so for
  9packages -- for now, you'll have to deal with packages separately.)
 10
 11See module py_compile for details of the actual byte-compilation.
 12
 13"""
 14
 15import os
 16import sys
 17import py_compile
 18
 19__all__ = ["compile_dir","compile_path"]
 20
 21def compile_dir(dir, maxlevels=10, ddir=None,
 22                force=0, rx=None, quiet=0):
 23    """Byte-compile all modules in the given directory tree.
 24
 25    Arguments (only dir is required):
 26
 27    dir:       the directory to byte-compile
 28    maxlevels: maximum recursion level (default 10)
 29    ddir:      if given, purported directory name (this is the
 30               directory name that will show up in error messages)
 31    force:     if 1, force compilation, even if timestamps are up-to-date
 32    quiet:     if 1, be quiet during compilation
 33
 34    """
 35    if not quiet:
 36        print 'Listing', dir, '...'
 37    try:
 38        names = os.listdir(dir)
 39    except os.error:
 40        print "Can't list", dir
 41        names = []
 42    names.sort()
 43    success = 1
 44    for name in names:
 45        fullname = os.path.join(dir, name)
 46        if ddir is not None:
 47            dfile = os.path.join(ddir, name)
 48        else:
 49            dfile = None
 50        if rx is not None:
 51            mo = rx.search(fullname)
 52            if mo:
 53                continue
 54        if os.path.isfile(fullname):
 55            head, tail = name[:-3], name[-3:]
 56            if tail == '.py':
 57                cfile = fullname + (__debug__ and 'c' or 'o')
 58                ftime = os.stat(fullname).st_mtime
 59                try: ctime = os.stat(cfile).st_mtime
 60                except os.error: ctime = 0
 61                if (ctime > ftime) and not force: continue
 62                if not quiet:
 63                    print 'Compiling', fullname, '...'
 64                try:
 65                    ok = py_compile.compile(fullname, None, dfile, True)
 66                except KeyboardInterrupt:
 67                    raise KeyboardInterrupt
 68                except py_compile.PyCompileError,err:
 69                    if quiet:
 70                        print 'Compiling', fullname, '...'
 71                    print err.msg
 72                    success = 0
 73                except IOError, e:
 74                    print "Sorry", e
 75                    success = 0
 76                else:
 77                    if ok == 0:
 78                        success = 0
 79        elif maxlevels > 0 and \
 80             name != os.curdir and name != os.pardir and \
 81             os.path.isdir(fullname) and \
 82             not os.path.islink(fullname):
 83            if not compile_dir(fullname, maxlevels - 1, dfile, force, rx, quiet):
 84                success = 0
 85    return success
 86
 87def compile_path(skip_curdir=1, maxlevels=0, force=0, quiet=0):
 88    """Byte-compile all module on sys.path.
 89
 90    Arguments (all optional):
 91
 92    skip_curdir: if true, skip current directory (default true)
 93    maxlevels:   max recursion level (default 0)
 94    force: as for compile_dir() (default 0)
 95    quiet: as for compile_dir() (default 0)
 96
 97    """
 98    success = 1
 99    for dir in sys.path:
100        if (not dir or dir == os.curdir) and skip_curdir:
101            print 'Skipping current directory'
102        else:
103            success = success and compile_dir(dir, maxlevels, None,
104                                              force, quiet=quiet)
105    return success
106
107def main():
108    """Script main program."""
109    import getopt
110    try:
111        opts, args = getopt.getopt(sys.argv[1:], 'lfqd:x:')
112    except getopt.error, msg:
113        print msg
114        print "usage: python compileall.py [-l] [-f] [-q] [-d destdir] " \
115              "[-x regexp] [directory ...]"
116        print "-l: don't recurse down"
117        print "-f: force rebuild even if timestamps are up-to-date"
118        print "-q: quiet operation"
119        print "-d destdir: purported directory name for error messages"
120        print "   if no directory arguments, -l sys.path is assumed"
121        print "-x regexp: skip files matching the regular expression regexp"
122        print "   the regexp is searched for in the full path of the file"
123        sys.exit(2)
124    maxlevels = 10
125    ddir = None
126    force = 0
127    quiet = 0
128    rx = None
129    for o, a in opts:
130        if o == '-l': maxlevels = 0
131        if o == '-d': ddir = a
132        if o == '-f': force = 1
133        if o == '-q': quiet = 1
134        if o == '-x':
135            import re
136            rx = re.compile(a)
137    if ddir:
138        if len(args) != 1:
139            print "-d destdir require exactly one directory argument"
140            sys.exit(2)
141    success = 1
142    try:
143        if args:
144            for dir in args:
145                if not compile_dir(dir, maxlevels, ddir,
146                                   force, rx, quiet):
147                    success = 0
148        else:
149            success = compile_path()
150    except KeyboardInterrupt:
151        print "\n[interrupt]"
152        success = 0
153    return success
154
155if __name__ == '__main__':
156    exit_status = int(not main())
157    sys.exit(exit_status)