cloud-init/tools/read-version
Scott Moser 1c99abb054 tools/read-dependencies tools/read-version: rewrite in python
This just does python rewrites of these tools that were shell or sed or
grep.  Clearly the user of cloud-init has python, but it turns out that
getting sane versions of sed or grep on different unixes is less than
simple.
2014-01-22 14:41:34 -05:00

27 lines
738 B
Python
Executable File

#!/usr/bin/env python
import os
import re
import sys
if 'CLOUD_INIT_TOP_D' in os.environ:
topd = os.path.realpath(os.environ.get('CLOUD_INIT_TOP_D'))
else:
topd = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
for fname in ("setup.py", "ChangeLog"):
if not os.path.isfile(os.path.join(topd, fname)):
sys.stderr.write("Unable to locate '%s' file that should "
"exist in cloud-init root directory." % fname)
sys.exit(1)
vermatch = re.compile(r"^[0-9]+[.][0-9]+[.][0-9]+:$")
with open(os.path.join(topd, "ChangeLog"), "r") as fp:
for line in fp:
if vermatch.match(line):
sys.stdout.write(line.strip()[:-1] + "\n")
break
sys.exit(0)