# fixgusidir - Modify filenames in the CWGUSI source tree, so
# that it can be put under CVS. Needed because there are files with slashes
# in their name, which CVS does not approve of.
#
# Usage:
# - On importing gusi in cvs:
# - Run the script after unpacking the gusi distribution. This creates
# _s_ files for all / files.
# - Remove all / files with "find file" or some such.
# - import the tree
# - On checking out gusi:
# - After checkout, run the script to create / files for all _s_ files.
# - After modifying stuff, or later checkouts:
# - Run the script. Conflicts between / and _s_ files will be reported.
# - Fix the problems by removing the outdated / or _s_ file.
# - Run the script again. Possibly do a cvs checkin.
import macfs
import os
import sys
import re
# Substitution for slashes in filenames
SUBST = '_s_'
# Program to find those substitutions
SUBSTPROG = re.compile(SUBST)
def main():
if len(sys.argv) > 1:
gusidir = sys.argv[1]
else:
fss, ok = macfs.GetDirectory("CWGUSI source folder?")
if not ok: sys.exit(0)
gusidir = fss.as_pathname()
fixgusifolder(gusidir)
sys.exit(1)
def fixgusifolder(gusidir):
"""Synchronize files with / in their name with their _s_ counterparts"""
os.path.walk(gusidir, gusiwalk, None)
def gusiwalk(dummy, top, names):
"""Helper for fixgusifolder: convert a single directory full of files"""
# First remember names with slashes and with our slash-substitution
macnames = []
codenames = []
for name in names:
if '/' in name:
macnames.append(name)
if SUBSTPROG.search(name):
codenames.append(name)
# Next, check whether we need to copy any slash-files to subst-files
for name in macnames:
if os.path.isdir(name):
print '** Folder with slash in name cannot be handled!'
sys.exit(1)
othername = mac2codename(name)
if len(othername) > 31:
print '** Converted filename too long:', othername
sys.exit(1)
if othername in codenames:
codenames.remove(othername)
sync(os.path.join(top, name), os.path.join(top, othername))
# Now codenames contains only files that have no / equivalent
for name in codenames:
othername = code2macname(name)
sync(os.path.join(top, name), os.path.join(top, othername))
def mac2codename(name):
return re.sub('/', SUBST, name)
def code2macname(name):
return re.sub(SUBST, '/', name)
def sync(old, new):
if os.path.exists(new):
# Both exist. Check that they are indentical
d1 = open(old, 'rb').read()
d2 = open(new, 'rb').read()
if d1 == d2:
print '-- OK ', old
return
print '** OUT-OF-SYNC', old
fp = open(new, 'wb')
fp.write(open(old, 'rb').read())
print '-- COPIED ', old
if __name__ == '__main__':
main()
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