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PEP 3147
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Barry Warsaw
parent
0e59cc3fc3
commit
28a691b7fd
39 changed files with 1203 additions and 287 deletions
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@ -12,6 +12,7 @@ See module py_compile for details of the actual byte-compilation.
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"""
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import os
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import errno
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import sys
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import py_compile
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import struct
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@ -20,7 +21,7 @@ import imp
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__all__ = ["compile_dir","compile_file","compile_path"]
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def compile_dir(dir, maxlevels=10, ddir=None,
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force=0, rx=None, quiet=0):
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force=False, rx=None, quiet=False, legacy=False):
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"""Byte-compile all modules in the given directory tree.
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Arguments (only dir is required):
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@ -29,8 +30,9 @@ def compile_dir(dir, maxlevels=10, ddir=None,
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maxlevels: maximum recursion level (default 10)
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ddir: if given, purported directory name (this is the
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directory name that will show up in error messages)
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force: if 1, force compilation, even if timestamps are up-to-date
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quiet: if 1, be quiet during compilation
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force: if True, force compilation, even if timestamps are up-to-date
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quiet: if True, be quiet during compilation
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legacy: if True, produce legacy pyc paths instead of PEP 3147 paths
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"""
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if not quiet:
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@ -49,24 +51,26 @@ def compile_dir(dir, maxlevels=10, ddir=None,
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else:
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dfile = None
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if not os.path.isdir(fullname):
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if not compile_file(fullname, ddir, force, rx, quiet):
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if not compile_file(fullname, ddir, force, rx, quiet, legacy):
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success = 0
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elif maxlevels > 0 and \
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name != os.curdir and name != os.pardir and \
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os.path.isdir(fullname) and \
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not os.path.islink(fullname):
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if not compile_dir(fullname, maxlevels - 1, dfile, force, rx,
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quiet):
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quiet, legacy):
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success = 0
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return success
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def compile_file(fullname, ddir=None, force=0, rx=None, quiet=0):
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def compile_file(fullname, ddir=None, force=0, rx=None, quiet=False,
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legacy=False):
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"""Byte-compile file.
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file: the file to byte-compile
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fullname: the file to byte-compile
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ddir: if given, purported directory name (this is the
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directory name that will show up in error messages)
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force: if 1, force compilation, even if timestamps are up-to-date
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quiet: if 1, be quiet during compilation
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force: if True, force compilation, even if timestamps are up-to-date
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quiet: if True, be quiet during compilation
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legacy: if True, produce legacy pyc paths instead of PEP 3147 paths
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"""
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success = 1
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@ -80,13 +84,22 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=0):
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if mo:
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return success
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if os.path.isfile(fullname):
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if legacy:
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cfile = fullname + ('c' if __debug__ else 'o')
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else:
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cfile = imp.cache_from_source(fullname)
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cache_dir = os.path.dirname(cfile)
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try:
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os.mkdir(cache_dir)
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except OSError as error:
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if error.errno != errno.EEXIST:
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raise
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head, tail = name[:-3], name[-3:]
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if tail == '.py':
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if not force:
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try:
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mtime = int(os.stat(fullname).st_mtime)
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expect = struct.pack('<4sl', imp.get_magic(), mtime)
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cfile = fullname + (__debug__ and 'c' or 'o')
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with open(cfile, 'rb') as chandle:
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actual = chandle.read(8)
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if expect == actual:
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@ -96,14 +109,15 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=0):
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if not quiet:
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print('Compiling', fullname, '...')
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try:
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ok = py_compile.compile(fullname, None, dfile, True)
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ok = py_compile.compile(fullname, cfile, dfile, True)
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except py_compile.PyCompileError as err:
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if quiet:
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print('*** Error compiling', fullname, '...')
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else:
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print('*** ', end='')
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# escape non-printable characters in msg
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msg = err.msg.encode(sys.stdout.encoding, errors='backslashreplace')
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msg = err.msg.encode(sys.stdout.encoding,
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errors='backslashreplace')
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msg = msg.decode(sys.stdout.encoding)
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print(msg)
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success = 0
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@ -119,15 +133,17 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=0):
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success = 0
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return success
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def compile_path(skip_curdir=1, maxlevels=0, force=0, quiet=0):
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def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
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legacy=False):
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"""Byte-compile all module on sys.path.
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Arguments (all optional):
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skip_curdir: if true, skip current directory (default true)
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maxlevels: max recursion level (default 0)
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force: as for compile_dir() (default 0)
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quiet: as for compile_dir() (default 0)
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force: as for compile_dir() (default False)
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quiet: as for compile_dir() (default False)
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legacy: as for compile_dir() (default False)
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"""
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success = 1
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@ -136,7 +152,8 @@ def compile_path(skip_curdir=1, maxlevels=0, force=0, quiet=0):
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print('Skipping current directory')
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else:
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success = success and compile_dir(dir, maxlevels, None,
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force, quiet=quiet)
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force, quiet=quiet,
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legacy=legacy)
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return success
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def expand_args(args, flist):
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@ -162,10 +179,10 @@ def main():
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"""Script main program."""
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import getopt
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try:
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opts, args = getopt.getopt(sys.argv[1:], 'lfqd:x:i:')
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opts, args = getopt.getopt(sys.argv[1:], 'lfqd:x:i:b')
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except getopt.error as msg:
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print(msg)
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print("usage: python compileall.py [-l] [-f] [-q] [-d destdir] " \
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print("usage: python compileall.py [-l] [-f] [-q] [-d destdir] "
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"[-x regexp] [-i list] [directory|file ...]")
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print("-l: don't recurse down")
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print("-f: force rebuild even if timestamps are up-to-date")
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@ -174,23 +191,27 @@ def main():
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print(" if no directory arguments, -l sys.path is assumed")
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print("-x regexp: skip files matching the regular expression regexp")
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print(" the regexp is searched for in the full path of the file")
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print("-i list: expand list with its content (file and directory names)")
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print("-i list: expand list with its content "
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"(file and directory names)")
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print("-b: Produce legacy byte-compile file paths")
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sys.exit(2)
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maxlevels = 10
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ddir = None
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force = 0
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quiet = 0
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force = False
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quiet = False
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rx = None
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flist = None
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legacy = False
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for o, a in opts:
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if o == '-l': maxlevels = 0
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if o == '-d': ddir = a
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if o == '-f': force = 1
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if o == '-q': quiet = 1
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if o == '-f': force = True
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if o == '-q': quiet = True
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if o == '-x':
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import re
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rx = re.compile(a)
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if o == '-i': flist = a
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if o == '-b': legacy = True
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if ddir:
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if len(args) != 1 and not os.path.isdir(args[0]):
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print("-d destdir require exactly one directory argument")
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@ -207,13 +228,14 @@ def main():
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for arg in args:
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if os.path.isdir(arg):
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if not compile_dir(arg, maxlevels, ddir,
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force, rx, quiet):
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force, rx, quiet, legacy):
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success = 0
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else:
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if not compile_file(arg, ddir, force, rx, quiet):
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if not compile_file(arg, ddir, force, rx,
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quiet, legacy):
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success = 0
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else:
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success = compile_path()
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success = compile_path(legacy=legacy)
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except KeyboardInterrupt:
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print("\n[interrupt]")
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success = 0
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