Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/parseentities.py @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +0000
parents 14a27acc755a
children ef48e48f066e 893a4dc17a91
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1 #!/usr/local/bin/python
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2 """ Utility for parsing HTML entity definitions available from:
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3
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4 http://www.w3.org/ as e.g.
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5 http://www.w3.org/TR/REC-html40/HTMLlat1.ent
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6
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7 Input is read from stdin, output is written to stdout in form of a
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8 Python snippet defining a dictionary "entitydefs" mapping literal
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9 entity name to character or numeric entity.
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10
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11 Marc-Andre Lemburg, mal@lemburg.com, 1999.
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12 Use as you like. NO WARRANTIES.
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13
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14 """
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15 import re,sys
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16 import TextTools
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17
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18 entityRE = re.compile('<!ENTITY +(\w+) +CDATA +"([^"]+)" +-- +((?:.|\n)+?) *-->')
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19
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20 def parse(text,pos=0,endpos=None):
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21
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22 pos = 0
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23 if endpos is None:
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24 endpos = len(text)
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25 d = {}
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26 while 1:
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27 m = entityRE.search(text,pos,endpos)
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28 if not m:
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29 break
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30 name,charcode,comment = m.groups()
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31 d[name] = charcode,comment
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32 pos = m.end()
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33 return d
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34
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35 def writefile(f,defs):
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36
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37 f.write("entitydefs = {\n")
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38 items = defs.items()
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39 items.sort()
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40 for name,(charcode,comment) in items:
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41 if charcode[:2] == '&#':
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42 code = int(charcode[2:-1])
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43 if code < 256:
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44 charcode = "'\%o'" % code
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45 else:
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46 charcode = repr(charcode)
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47 else:
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48 charcode = repr(charcode)
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49 comment = TextTools.collapse(comment)
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50 f.write(" '%s':\t%s, \t# %s\n" % (name,charcode,comment))
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51 f.write('\n}\n')
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52
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53 if __name__ == '__main__':
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54 if len(sys.argv) > 1:
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55 infile = open(sys.argv[1])
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56 else:
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57 infile = sys.stdin
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58 if len(sys.argv) > 2:
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59 outfile = open(sys.argv[2],'w')
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60 else:
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61 outfile = sys.stdout
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62 text = infile.read()
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63 defs = parse(text)
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64 writefile(outfile,defs)