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#!/usr/bin/env python
#
# getversion.py - Parse version numbers from C header files.
#
import re
__all__ = ['Parser', 'Result']
class Result:
pass
class Parser:
def __init__(self):
self.patterns = {}
def search(self, define_name, value_name):
'Add the name of a define to the list of search pattenrs.'
self.patterns[define_name] = value_name
def parse(self, file):
'Parse the file, extracting defines into a Result object.'
stream = open(file, 'rt')
result = Result()
regex = re.compile(r'^\s*#\s*define\s+(\w+)\s+(\d+)')
for line in stream.readlines():
match = regex.match(line)
if match:
try:
name = self.patterns[match.group(1)]
except:
continue
setattr(result, name, int(match.group(2)))
stream.close()
return result
if __name__ == '__main__':
# Extract and print the version number
p = Parser()
p.search('SVN_VER_MAJOR', 'major')
p.search('SVN_VER_MINOR', 'minor')
p.search('SVN_VER_PATCH', 'patch')
import os, sys
r = p.parse(sys.argv[1])
sys.stdout.write("%d.%d.%d" % (r.major, r.minor, r.patch))
### End of file.
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