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# - Fix the problems by removing the outdated / or _s_ file.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