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#!/usr/bin/python2
import sys
import re
assert sys.version_info[:3] >= (2,2,0)
import BibTeX
import config
import metaphone
_MPCACHE = {}
def soundsLike(s1, s2):
c = _MPCACHE
s1 = clean(s1)
s2 = clean(s2)
try:
m1 = c[s1]
except KeyError:
m1 = c[s1] = metaphone.metaphone(s1)
try:
m2 = c[s2]
except KeyError:
m2 = c[s2] = metaphone.metaphone(s2)
return m1 == m2
def mphone(s):
c = _MPCACHE
s = clean(s)
try:
return c[s]
except:
m = c[s] = metaphone.metaphone(s)
return m
def clean(s):
s = re.sub(r'\s+', ' ', s)
s = s.strip()
return s
class MasterBibTeX(BibTeX.BibTeX):
def __init__(self):
BibTeX.BibTeX.__init__(self)
def buildIndex(self):
self.byTitle = {}
for ent in self.entries:
for t in self._titleForms(ent['title']):
self.byTitle.setdefault(t, []).append(ent)
def _titleForms(self, title):
title = title.lower()
title = re.sub(r'\b(an|a|the|of)\b', "", title)
title = clean(title)
res = [ mphone(title) ]
if ':' in title:
for t in title.split(":"):
res.append(mphone(t.strip()))
#print "%r\n => %s" % (title,res)
return res
def _titlesAlike(self, t1, t2):
t1 = clean(t1)
t2 = clean(t2)
if t1 == t2:
return 2
tf1 = self._titleForms(t1)
tf2 = self._titleForms(t2)
for t in tf1:
if t in tf2: return 1
return 0
def _authorsAlike(self, a1, a2):
if not soundsLike(" ".join(a1.last)," ".join(a2.last)):
return 0
if (a1.first == a2.first and a1.von == a2.von
and a1.jr == a2.jr):
return 2
if soundsLike(" ".join(a1.first), " ".join(a2.first)):
return 1
if not a1.first or not a2.first:
return 1
if self._initialize(a1.first) == self._initialize(a2.first):
return 1
return 0
def _initialize(self, name):
n1 = name
name = " ".join(name).lower()
name = re.sub(r'([a-z])[a-z\.]*', r'\1', name)
name = clean(name)
return name
def _authorListsAlike(self, a1, a2):
if len(a1) != len(a2):
return 0
a1 = [ (a.last, a) for a in a1 ]
a2 = [ (a.last, a) for a in a2 ]
a1.sort()
a2.sort()
if len(a1) != len(a2):
return 0
r = 2
for (_, a1), (_, a2) in zip(a1,a2):
x = self._authorsAlike(a1,a2)
if not x:
return 0
elif x == 1:
r = 1
return r
def _entryDatesAlike(self, e1, e2):
try:
if clean(e1['year']) == clean(e2['year']):
return 2
else:
return 0
except KeyError:
return 1
def includes(self, ent, all=0):
title = ent['title']
candidates = []
for form in self._titleForms(title):
try:
candidates.extend(self.byTitle[form])
except KeyError:
pass
goodness = []
for knownEnt in candidates:
match = (self._entryDatesAlike(ent, knownEnt) *
self._titlesAlike(ent['title'], knownEnt['title']) *
self._authorListsAlike(ent.parsedAuthor,
knownEnt.parsedAuthor) )
if match:
goodness.append((match, knownEnt))
goodness.sort()
if all:
return goodness
if goodness:
return goodness[-1]
else:
return None, None
def demo(self):
for e in self.entries:
matches = self.includes(e, 1)
m2 = []
mids = []
for g,m in matches:
if id(m) not in mids:
mids.append(id(m))
m2.append((g,m))
matches = m2
if not matches:
print "No match for %s"%e.key
if matches[-1][1] is e:
print "%s matches for %s: OK."%(len(matches), e.key)
else:
print "%s matches for %s: %s is best!" %(len(matches), e.key,
matches[-1][1].key)
if len(matches) > 1:
for g, m in matches:
print "%%%% goodness", g
print m
all_ok = 1
def emit(f,ent):
global all_ok
errs = ent._check()
if master.byKey.has_key(ent.key.strip().lower()):
errs.append("ERROR: Key collision with master file")
if errs:
all_ok = 0
note = ent.get("note")
if ent.getURL() and not note:
ent['note'] = "\url{%s}"%ent.getURL()
elif note:
m = re.match(r'\\url{(.*)}', note)
if m:
url = m.group(0)
tp = None
if url.endswith(".txt"):
tp = "txt"
elif url.endswith(".ps.gz"):
tp = "ps_gz"
elif url.endswith(".ps"):
tp = "ps_gz"
elif url.endswith(".pdf"):
tp = "pdf"
elif url.endswith(".html"):
tp = "html"
if tp:
ent['www_%s_url'%tp] = url
if errs:
all_ok = 0
for e in errs:
print >>f, "%%%%", e
print >>f, ent.format(77, 4, v=1, invStrings=invStrings)
def emitKnown(f, ent, matches):
print >>f, "%% Candidates are:", ", ".join([e.key for g,e in matches])
print >>f, "%%"
print >>f, "%"+(ent.format(77,4,1,invStrings).replace("\n", "\n%"))
if len(sys.argv) != 2:
print "reconcile.py expects 1 argument"
sys.exit(1)
print "========= Scanning master =========="
master = MasterBibTeX()
master = BibTeX.parseFile(config.MASTER_BIB, master)
master.buildIndex()
print "========= Scanning new file ========"
try:
fn = sys.argv[1]
input = BibTeX.parseFile(fn)
except BibTeX.ParseError, e:
print "Error parsing %s: %s"%(fn,e)
sys.exit(1)
f = open('tmp.bib', 'w')
keys = input.newStrings.keys()
keys.sort()
for k in keys:
v = input.newStrings[k]
print >>f, "@string{%s = {%s}}"%(k,v)
invStrings = input.invStrings
for e in input.entries:
if not (e.get('title') and e.get('author')):
print >>f, "%%\n%%%% Not enough information to search for a match: need title and author.\n%%"
emit(f, e)
continue
matches = master.includes(e, all=1)
if not matches:
print >>f, "%%\n%%%% This entry is probably new: No match found.\n%%"
emit(f, e)
else:
print >>f, "%%"
print >>f, "%%%% Possible match found for this entry; max goodness",\
matches[-1][0], "\n%%"
emitKnown(f, e, matches)
if not all_ok:
print >>f, "\n\n\nErrors remain; not finished.\n"
f.close()
|
