33 def _open(fullpath):  argument
35         size = os.stat(fullpath).st_size
37         print_debug("%s: permission denied: %s" % (fullpath, err))
41         print_debug("%s: the file is too big: %d bytes" % (fullpath, size))
45         return open(fullpath, "rb")
47         print_debug("%s: access denied: %s" % (fullpath, err))
50 def has_python_ext(fullpath):  argument
51     return fullpath.endswith(".py") or fullpath.endswith(".pyw")
53 def looks_like_python(fullpath):  argument
54     infile = _open(fullpath)
63         print_debug("%s: appears to be binary" % fullpath)
66     if fullpath.endswith(".py") or fullpath.endswith(".pyw"):
74 def can_be_compiled(fullpath):  argument
75     infile = _open(fullpath)
83         compile(code, fullpath, "exec")
85         print_debug("%s: cannot compile: %s" % (fullpath, err))
116                     fullpath = os.path.join(dirpath, filename)
117                     print_debug("testing: %s" % fullpath)
118                     if is_python(fullpath):
119                         yield fullpath
126     for fullpath in walk_python_files(['.']):
127         print(fullpath)
129     for fullpath in walk_python_files(['.'], is_python=can_be_compiled):
130         print(fullpath)