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128 lines
3.8 KiB
Python
Executable file
128 lines
3.8 KiB
Python
Executable file
#!/usr/bin/env python
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# Released to the public domain by Skip Montanaro, 28 March 2002
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"""
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findsyms.py - try to identify undocumented symbols exported by modules
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Usage: findsyms.py librefdir
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For each lib*.tex file in the libref manual source directory, identify which
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module is documented, import the module if possible, then search the LaTeX
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source for the symbols global to that module. Report any that don't seem to
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be documented.
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Certain exceptions are made to the list of undocumented symbols:
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* don't mention symbols in which all letters are upper case on the
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assumption they are manifest constants
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* don't mention symbols that are themselves modules
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* don't mention symbols that match those exported by os, math, string,
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types, or __builtin__ modules
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Finally, if a name is exported by the module but fails a getattr() lookup,
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that anomaly is reported.
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"""
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import __builtin__
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import getopt
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import glob
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import math
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import os
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import re
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import string
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import sys
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import types
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import warnings
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def usage():
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print >> sys.stderr, """
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usage: %s dir
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where 'dir' is the Library Reference Manual source directory.
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""" % os.path.basename(sys.argv[0])
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def main():
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try:
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opts, args = getopt.getopt(sys.argv[1:], "")
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except getopt.error:
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usage()
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return
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if not args:
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usage()
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return
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libdir = args[0]
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warnings.filterwarnings("error")
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pat = re.compile(r"\\declaremodule\s*{[^}]*}\s*{([^}]*)}")
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missing = []
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filelist = glob.glob(os.path.join(libdir, "lib*.tex"))
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filelist.sort()
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for f in filelist:
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mod = f[3:-4]
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if not mod: continue
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data = open(f).read()
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mods = re.findall(pat, data)
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if not mods:
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print "No module declarations found in", f
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continue
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for modname in mods:
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# skip special modules
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if modname.startswith("__"):
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continue
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try:
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mod = __import__(modname)
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except ImportError:
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missing.append(modname)
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continue
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except DeprecationWarning:
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print "Deprecated module:", modname
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continue
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if hasattr(mod, "__all__"):
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all = mod.__all__
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else:
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all = [k for k in dir(mod) if k[0] != "_"]
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mentioned = 0
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all.sort()
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for name in all:
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if data.find(name) == -1:
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# certain names are predominantly used for testing
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if name in ("main","test","_test"):
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continue
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# is it some sort of manifest constant?
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if name.upper() == name:
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continue
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try:
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item = getattr(mod, name)
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except AttributeError:
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print " ", name, "exposed, but not an attribute"
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continue
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# don't care about modules that might be exposed
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if type(item) == types.ModuleType:
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continue
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# check a few modules which tend to be import *'d
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isglobal = 0
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for m in (os, math, string, __builtin__, types):
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if hasattr(m, name) and item == getattr(m, name):
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isglobal = 1
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break
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if isglobal: continue
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if not mentioned:
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print "Not mentioned in", modname, "docs:"
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mentioned = 1
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print " ", name
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if missing:
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missing.sort()
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print "Could not import:"
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print " ", ", ".join(missing)
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if __name__ == "__main__":
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try:
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main()
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except KeyboardInterrupt:
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pass
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