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aaab30e00c
(with one small bugfix in bgen/bgen/scantools.py) This replaces string module functions with string methods for the stuff in the Tools directory. Several uses of string.letters etc. are still remaining.
112 lines
2.3 KiB
Python
112 lines
2.3 KiB
Python
# Parse Makefiles and Python Setup(.in) files.
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import re
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# Extract variable definitions from a Makefile.
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# Return a dictionary mapping names to values.
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# May raise IOError.
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makevardef = re.compile('^([a-zA-Z0-9_]+)[ \t]*=(.*)')
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def getmakevars(filename):
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variables = {}
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fp = open(filename)
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pendingline = ""
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try:
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while 1:
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line = fp.readline()
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if pendingline:
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line = pendingline + line
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pendingline = ""
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if not line:
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break
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if line.endswith('\\\n'):
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pendingline = line[:-2]
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matchobj = makevardef.match(line)
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if not matchobj:
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continue
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(name, value) = matchobj.group(1, 2)
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# Strip trailing comment
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i = value.find('#')
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if i >= 0:
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value = value[:i]
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value = value.strip()
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variables[name] = value
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finally:
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fp.close()
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return variables
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# Parse a Python Setup(.in) file.
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# Return two dictionaries, the first mapping modules to their
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# definitions, the second mapping variable names to their values.
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# May raise IOError.
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setupvardef = re.compile('^([a-zA-Z0-9_]+)=(.*)')
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def getsetupinfo(filename):
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modules = {}
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variables = {}
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fp = open(filename)
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pendingline = ""
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try:
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while 1:
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line = fp.readline()
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if pendingline:
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line = pendingline + line
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pendingline = ""
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if not line:
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break
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# Strip comments
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i = line.find('#')
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if i >= 0:
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line = line[:i]
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if line.endswith('\\\n'):
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pendingline = line[:-2]
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continue
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matchobj = setupvardef.match(line)
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if matchobj:
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(name, value) = matchobj.group(1, 2)
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variables[name] = value.strip()
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else:
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words = line.split()
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if words:
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modules[words[0]] = words[1:]
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finally:
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fp.close()
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return modules, variables
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# Test the above functions.
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def test():
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import sys
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import os
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if not sys.argv[1:]:
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print 'usage: python parsesetup.py Makefile*|Setup* ...'
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sys.exit(2)
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for arg in sys.argv[1:]:
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base = os.path.basename(arg)
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if base[:8] == 'Makefile':
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print 'Make style parsing:', arg
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v = getmakevars(arg)
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prdict(v)
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elif base[:5] == 'Setup':
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print 'Setup style parsing:', arg
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m, v = getsetupinfo(arg)
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prdict(m)
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prdict(v)
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else:
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print arg, 'is neither a Makefile nor a Setup file'
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print '(name must begin with "Makefile" or "Setup")'
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def prdict(d):
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keys = d.keys()
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keys.sort()
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for key in keys:
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value = d[key]
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print "%-15s" % key, str(value)
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if __name__ == '__main__':
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test()
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