cpython/Tools/scripts/xxci.py

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#! /ufs/guido/bin/sgi/python
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#! /usr/local/python
# xxci
#
# check in files for which rcsdiff returns nonzero exit status
import sys
import posix
from stat import *
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import path
import commands
import fnmatch
import string
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EXECMAGIC = '\001\140\000\010'
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MAXSIZE = 200*1024 # Files this big must be binaries and are skipped.
def getargs():
args = sys.argv[1:]
if args:
return args
print 'No arguments, checking almost *, in "ls -t" order'
list = []
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for file in posix.listdir('.'):
if not skipfile(file):
list.append((getmtime(file), file))
list.sort()
if not list:
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print 'Nothing to do -- exit 1'
sys.exit(1)
list.sort()
list.reverse()
for mtime, file in list: args.append(file)
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return args
def getmtime(file):
try:
st = posix.stat(file)
return st[ST_MTIME]
except posix.error:
return -1
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badnames = ['tags', 'TAGS', 'xyzzy', 'nohup.out', 'core']
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badprefixes = ['.', ',', '@', '#', 'o.']
badsuffixes = \
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['~', '.a', '.o', '.old', '.bak', '.orig', '.new', '.prev', '.not', \
'.pyc', '.elc']
def setup():
global ignore
ignore = badnames[:]
for p in badprefixes:
ignore.append(p + '*')
for p in badsuffixes:
ignore.append('*' + p)
try:
f = open('.xxcign', 'r')
except IOError:
return
ignore = ignore + string.split(f.read())
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def skipfile(file):
for p in ignore:
if fnmatch.fnmatch(file, p): return 1
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try:
st = posix.lstat(file)
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except posix.error:
return 1 # Doesn't exist -- skip it
# Skip non-plain files.
if not S_ISREG(st[ST_MODE]): return 1
# Skip huge files -- probably binaries.
if st[ST_SIZE] >= MAXSIZE: return 1
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# Skip executables
try:
data = open(file, 'r').read(len(EXECMAGIC))
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if data == EXECMAGIC: return 1
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except:
pass
return 0
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def badprefix(file):
for bad in badprefixes:
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if file[:len(bad)] == bad: return 1
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return 0
def badsuffix(file):
for bad in badsuffixes:
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if file[-len(bad):] == bad: return 1
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return 0
def go(args):
for file in args:
print file + ':'
if differing(file):
sts = posix.system('rcsdiff ' + file) # ignored
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if askyesno('Check in ' + file + ' ? '):
sts = posix.system('rcs -l ' + file) # ignored
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sts = posix.system('ci -l ' + file)
def differing(file):
try:
this = open(file, 'r').read()
that = posix.popen('co -p '+file+' 2>/dev/null', 'r').read()
return this <> that
except:
return 1
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def askyesno(prompt):
s = raw_input(prompt)
return s in ['y', 'yes']
setup()
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go(getargs())