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v0.5.1
v0.5.1
https://github.com/python/cpython
Revision ab577c1b32a09348aa0470df00cd4865b9e28a31 authored by Neal Norwitz on 27 January 2008, 01:24:44 UTC, committed by Neal Norwitz on 27 January 2008, 01:24:44 UTC
Let the O/S supply a port if none of the default ports can be used. This should make the tests more robust at the expense of allowing tests to be sloppier by not requiring them to cleanup after themselves. (It will legitamitely help when running two test suites simultaneously or if another process is already using one of the predefined ports.) This will hopefully fix test_asynchat.
1 parent b03528c
Tip revision: ab577c1b32a09348aa0470df00cd4865b9e28a31 authored by Neal Norwitz on 27 January 2008, 01:24:44 UTC
Backport r58453:
Backport r58453:
Tip revision: ab577c1
pathfix.py
#! /usr/bin/env python
# Change the #! line occurring in Python scripts. The new interpreter
# pathname must be given with a -i option.
#
# Command line arguments are files or directories to be processed.
# Directories are searched recursively for files whose name looks
# like a python module.
# Symbolic links are always ignored (except as explicit directory
# arguments). Of course, the original file is kept as a back-up
# (with a "~" attached to its name).
#
# Undoubtedly you can do this using find and sed or perl, but this is
# a nice example of Python code that recurses down a directory tree
# and uses regular expressions. Also note several subtleties like
# preserving the file's mode and avoiding to even write a temp file
# when no changes are needed for a file.
#
# NB: by changing only the function fixfile() you can turn this
# into a program for a different change to Python programs...
import sys
import re
import os
from stat import *
import getopt
err = sys.stderr.write
dbg = err
rep = sys.stdout.write
new_interpreter = None
def main():
global new_interpreter
usage = ('usage: %s -i /interpreter file-or-directory ...\n' %
sys.argv[0])
try:
opts, args = getopt.getopt(sys.argv[1:], 'i:')
except getopt.error, msg:
err(msg + '\n')
err(usage)
sys.exit(2)
for o, a in opts:
if o == '-i':
new_interpreter = a
if not new_interpreter or new_interpreter[0] != '/' or not args:
err('-i option or file-or-directory missing\n')
err(usage)
sys.exit(2)
bad = 0
for arg in args:
if os.path.isdir(arg):
if recursedown(arg): bad = 1
elif os.path.islink(arg):
err(arg + ': will not process symbolic links\n')
bad = 1
else:
if fix(arg): bad = 1
sys.exit(bad)
ispythonprog = re.compile('^[a-zA-Z0-9_]+\.py$')
def ispython(name):
return ispythonprog.match(name) >= 0
def recursedown(dirname):
dbg('recursedown(%r)\n' % (dirname,))
bad = 0
try:
names = os.listdir(dirname)
except os.error, msg:
err('%s: cannot list directory: %r\n' % (dirname, msg))
return 1
names.sort()
subdirs = []
for name in names:
if name in (os.curdir, os.pardir): continue
fullname = os.path.join(dirname, name)
if os.path.islink(fullname): pass
elif os.path.isdir(fullname):
subdirs.append(fullname)
elif ispython(name):
if fix(fullname): bad = 1
for fullname in subdirs:
if recursedown(fullname): bad = 1
return bad
def fix(filename):
## dbg('fix(%r)\n' % (filename,))
try:
f = open(filename, 'r')
except IOError, msg:
err('%s: cannot open: %r\n' % (filename, msg))
return 1
line = f.readline()
fixed = fixline(line)
if line == fixed:
rep(filename+': no change\n')
f.close()
return
head, tail = os.path.split(filename)
tempname = os.path.join(head, '@' + tail)
try:
g = open(tempname, 'w')
except IOError, msg:
f.close()
err('%s: cannot create: %r\n' % (tempname, msg))
return 1
rep(filename + ': updating\n')
g.write(fixed)
BUFSIZE = 8*1024
while 1:
buf = f.read(BUFSIZE)
if not buf: break
g.write(buf)
g.close()
f.close()
# Finishing touch -- move files
# First copy the file's mode to the temp file
try:
statbuf = os.stat(filename)
os.chmod(tempname, statbuf[ST_MODE] & 07777)
except os.error, msg:
err('%s: warning: chmod failed (%r)\n' % (tempname, msg))
# Then make a backup of the original file as filename~
try:
os.rename(filename, filename + '~')
except os.error, msg:
err('%s: warning: backup failed (%r)\n' % (filename, msg))
# Now move the temp file to the original file
try:
os.rename(tempname, filename)
except os.error, msg:
err('%s: rename failed (%r)\n' % (filename, msg))
return 1
# Return succes
return 0
def fixline(line):
if not line.startswith('#!'):
return line
if "python" not in line:
return line
return '#! %s\n' % new_interpreter
if __name__ == '__main__':
main()
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