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# lots of borrowing from http://code.activestate.com/recipes/252508-file-unzip/
import getopt, sys, os, os.path, re, zipfile, shutil
def usage():
print """
usage:
resetversion.py -f [from directory]
Change the version number of the fz file in the fzz files in from directory. Probably safest to make a copy of from directory first
"""
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], "hf:", ["help", "from"])
except getopt.GetoptError, err:
# print help information and exit:
print str(err) # will print something like "option -a not recognized"
usage()
return
inputdir = None
for o, a in opts:
#print o
#print a
if o in ("-f", "--from"):
inputdir = a
else:
print "unhandled option",o
usage()
return
if not(inputdir):
print "missing 'from' argument"
usage()
return
try:
import zlib
compression = zipfile.ZIP_DEFLATED
except:
compression = zipfile.ZIP_STORED
for root, dirs, files in os.walk(inputdir, topdown=False):
for fzz in files:
if not fzz.endswith('.fzz'):
continue
print fzz
fzzpath = os.path.join(root, fzz)
tempDir = inputdir + os.sep + "___temp___"
shutil.rmtree(tempDir, 1)
os.mkdir(tempDir)
zf = zipfile.ZipFile(fzzpath)
zf.extractall(tempDir)
zf.close()
for fz in os.listdir(tempDir):
if not fz.endswith(".fz"):
continue
try:
fzpath = os.path.join(tempDir, fz)
infile = open(fzpath, "rb")
#print "opened", fzpath
xml = infile.read()
infile.close()
os.remove(fzpath)
outfile = open(fzpath, 'wb')
outfile.write( xml.replace('fritzingVersion="0.8.6', 'fritzingVersion="0.8.5'))
outfile.close()
except:
print "exception", fzpath, sys.exc_info()[0]
pass
# helpful examples in http://www.doughellmann.com/PyMOTW/zipfile/
os.remove(fzzpath)
zf = zipfile.ZipFile(fzzpath, mode='w')
for fn in os.listdir(tempDir):
zf.write(os.path.join(tempDir, fn), fn, compression)
zf.close()
shutil.rmtree(tempDir, 1)
if __name__ == "__main__":
main()
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