Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
parsesetup.py
# Parse Makefiles and Python Setup(.in) files.
import re
# Extract variable definitions from a Makefile.
# Return a dictionary mapping names to values.
# May raise IOError.
makevardef = re.compile('^([a-zA-Z0-9_]+)[ \t]*=(.*)')
def getmakevars(filename):
variables = {}
fp = open(filename)
pendingline = ""
try:
while 1:
line = fp.readline()
if pendingline:
line = pendingline + line
pendingline = ""
if not line:
break
if line.endswith('\\\n'):
pendingline = line[:-2]
matchobj = makevardef.match(line)
if not matchobj:
continue
(name, value) = matchobj.group(1, 2)
# Strip trailing comment
i = value.find('#')
if i >= 0:
value = value[:i]
value = value.strip()
variables[name] = value
finally:
fp.close()
return variables
# Parse a Python Setup(.in) file.
# Return two dictionaries, the first mapping modules to their
# definitions, the second mapping variable names to their values.
# May raise IOError.
setupvardef = re.compile('^([a-zA-Z0-9_]+)=(.*)')
def getsetupinfo(filename):
modules = {}
variables = {}
fp = open(filename)
pendingline = ""
try:
while 1:
line = fp.readline()
if pendingline:
line = pendingline + line
pendingline = ""
if not line:
break
# Strip comments
i = line.find('#')
if i >= 0:
line = line[:i]
if line.endswith('\\\n'):
pendingline = line[:-2]
continue
matchobj = setupvardef.match(line)
if matchobj:
(name, value) = matchobj.group(1, 2)
variables[name] = value.strip()
else:
words = line.split()
if words:
modules[words[0]] = words[1:]
finally:
fp.close()
return modules, variables
# Test the above functions.
def test():
import sys
import os
if not sys.argv[1:]:
print('usage: python parsesetup.py Makefile*|Setup* ...')
sys.exit(2)
for arg in sys.argv[1:]:
base = os.path.basename(arg)
if base[:8] == 'Makefile':
print('Make style parsing:', arg)
v = getmakevars(arg)
prdict(v)
elif base[:5] == 'Setup':
print('Setup style parsing:', arg)
m, v = getsetupinfo(arg)
prdict(m)
prdict(v)
else:
print(arg, 'is neither a Makefile nor a Setup file')
print('(name must begin with "Makefile" or "Setup")')
def prdict(d):
keys = sorted(d.keys())
for key in keys:
value = d[key]
print("%-15s" % key, str(value))
if __name__ == '__main__':
test()