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print error and exit when new filename exceeds 255 characters

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Karl Voit 2015-02-01 12:22:36 +01:00
parent 477fca3761
commit e8beddf955
1 changed files with 11 additions and 2 deletions
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date2name
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@ -1,6 +1,6 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Time-stamp: <2015-02-01 11:41:13 vk>
# Time-stamp: <2015-02-01 12:22:01 vk>
"""
date2name
@ -36,6 +36,7 @@ STANDARD_PATTERN = re.compile('^\d{4,4}-[01]\d-[0123]\d[- _]')
MONTH_PATTERN = re.compile('^\d{4,4}-[01]\d[- _]')
WITHTIME_PATTERN = re.compile('^\d{4,4}-[01]\d-[0123]\d[T :_-][012]\d[:.-][012345]\d([:.-][012345]\d)?[- _]')
WITHSECONDS_PATTERN = re.compile('^\d{4,4}-[01]\d-[0123]\d[T :_-][012]\d[:.-][012345]\d[:.-][012345]\d[- _]')
MAX_PATHLENGTH = 255 ## os.pathconf('/', 'PC_PATH_MAX') may be longer but os.rename() seems to have hard-coded 256
# cmdline parsing
USAGE = "\n\
@ -258,7 +259,15 @@ def handle_item(path, basename, formatstring):
else:
logging.debug("\"%s\" > \"%s\"" % (get_full_name(path, basename), new_basename))
logging.info("%-40s > %s" % (get_full_name(path, basename), new_basename))
os.rename(basename, new_basename)
if len(new_basename) > MAX_PATHLENGTH:
logging.error("ERROR: the current file needs to be renamed with a file name length of " +
"%i which is greater than %i. " % (len(new_basename), MAX_PATHLENGTH) +
"This usually causes \"[Errno 36] File name too long\" and therefore " +
"I ignore this file for now. Please shorten file name for at " +
"least %i characters and try again." % (len(new_basename)-MAX_PATHLENGTH))
sys.exit(1)
else:
os.rename(basename, new_basename)
def main():