def get_fields(strng, strict=False):
"""
Returns a list with pairs (field, value) from strng
If strict is True, it will only allow known fields, defined in helper.bibtexfields
"""
comma_rex = re.compile(r'\s*[,]')
ss = strng.strip()
if not ss.endswith(','): # Add the last commma if missing
ss += ','
fields = []
while True:
name, sep, ss = ss.partition('=')
name = name.strip().lower(
) # This should be enough if there is no error in the entry
if len(
name.split()
) > 1: # Help recover from errors. name should be only one word anyway
name = name.split()[-1]
ss = ss.strip()
if sep == '': break # We reached the end of the string
if ss[0] == '{': # The value is surrounded by '{}'
s, e = helper.match_pair(ss)
data = ss[s + 1:e - 1].strip()
elif ss[0] == '"': # The value is surrounded by '"'
s = ss.find(r'"')
e = ss.find(r'"', s + 1)
data = ss[s + 1:e].strip()
else: # It should be a number or something involving a string
e = ss.find(',')
data = ss[0:e].strip()
if not data.isdigit(): # Then should be some string
dd = data.split('#') # Test for joined strings
if len(dd) > 1:
for n in range(len(dd)):
dd[n] = dd[n].strip()
dd[n] = dd[n].replace('{', '"').replace('}', '"')
if dd[n][0] != '"':
dd[n] = 'definitionofstring(%s) ' % (dd[n])
data = '#'.join(dd)
else:
data = 'definitionofstring(%s) ' % (data.strip())
s = ss[e].find(',')
ss = ss[s + e + 1:]
# JF: Temporario, descomentar si hay problemas
# if name=='title':
# data=helper.capitalizestring(data)
# else:
# data=helper.removebraces(data)
if not strict or name in helper.bibtexfields:
fields.append((name, data))
return fields
def parsedata(data):
"""
Parses a string with a bibtex database
"""
# Regular expressions to use
pub_rex = re.compile(
'\s?@(\w*)\s*[{\(]') # A '@' followed by any word and an opening
# brace or parenthesis
########################################################################################
#################### Reformat the string ####################
ss = re.sub('\s+', ' ', data).strip()
# Find entries
strings = {}
preamble = []
comment = []
tmpentries = []
entries = {}
while True:
entry = {}
m = pub_rex.search(ss)
if m == None:
break
if m.group(0)[-1] == '(':
d = helper.match_pair(ss, pair=('[(]', '[)]'), start=m.end() - 1)
else:
d = helper.match_pair(ss, start=m.end() - 1)
if d != None:
current = ss[m.start():d[1] - 1] # Currently analyzed entry
st, entry = parseentry(current)
if st != None:
strings.update(st)
if entry != None and entry != {}:
entries[entry['_code']] = entry
ss = ss[d[1] + 1:].strip()
return strings, entries
def get_fields(strng, strict=False):
"""
Returns a list with pairs (field, value) from strng
If strict is True, it will only allow known fields, defined in helper.bibtexfields
"""
comma_rex=re.compile(r'\s*[,]')
ss=strng.strip()
if not ss.endswith(','): # Add the last commma if missing
ss+=','
fields=[]
while True:
name,sep,ss= ss.partition('=')
name=name.strip().lower() # This should be enough if there is no error in the entry
if len(name.split()) > 1: # Help recover from errors. name should be only one word anyway
name= name.split()[-1]
ss=ss.strip()
if sep == '': break # We reached the end of the string
if ss[0] == '{': # The value is surrounded by '{}'
s,e= helper.match_pair(ss)
data= ss[s+1:e-1].strip()
elif ss[0] == '"': # The value is surrounded by '"'
s= ss.find(r'"')
e= ss.find(r'"',s+1)
data= ss[s+1:e].strip()
else: # It should be a number or something involving a string
e= ss.find(',')
data= ss[0:e].strip()
if not data.isdigit(): # Then should be some string
dd=data.split('#') # Test for joined strings
if len(dd) > 1:
for n in range(len(dd)):
dd[n]= dd[n].strip()
dd[n]= dd[n].replace('{','"').replace('}','"')
if dd[n][0] != '"':
dd[n]='definitionofstring(%s) '%(dd[n])
data='#'.join(dd)
else:
data='definitionofstring(%s) '%(data.strip())
s=ss[e].find(',')
ss=ss[s+e+1:]
# JF: Temporario, descomentar si hay problemas
# if name=='title':
# data=helper.capitalizestring(data)
# else:
# data=helper.removebraces(data)
if not strict or name in helper.bibtexfields:
fields.append((name,data))
return fields
def parsedata(data):
"""
Parses a string with a bibtex database
"""
# Regular expressions to use
pub_rex = re.compile('\s?@(\w*)\s*[{\(]') # A '@' followed by any word and an opening
# brace or parenthesis
########################################################################################
#################### Reformat the string ####################
ss= re.sub('\s+',' ',data).strip()
# Find entries
strings={}
preamble=[]
comment=[]
tmpentries=[]
entries={}
while True:
entry={}
m= pub_rex.search(ss)
if m == None:
break
if m.group(0)[-1]=='(':
d= helper.match_pair(ss,pair=('[(]','[)]'),start=m.end()-1)
else:
d= helper.match_pair(ss,start=m.end()-1)
if d != None:
current= ss[m.start():d[1]-1] # Currently analyzed entry
st,entry= parseentry(current)
if st != None:
strings.update(st)
if entry != None and entry != {}:
entries[entry['_code']]= entry
ss=ss[d[1]+1:].strip()
return strings,entries
def get_fields(strng):
f = strng.find('=')
braces_rex = re.compile(r'\s*[{]')
comilla_rex = re.compile(r'\s*["]')
start = 0
fields = []
end = len(strng)
# start holds the current position in the strng
# f : position of equal sign
# s : position of {, opening " or first line after the equal sign
# e : position of closing }, " or next comma
while f != -1 and start < end:
name = string.strip(strng[start:f]).lower()
if name != '':
ss = strng[f + 1:]
if braces_rex.match(ss):
s, e = match_pair(ss)
data = ss[s + 1:e - 1].strip()
elif comilla_rex.match(ss):
s = string.find(ss, r'"')
e = string.find(ss, r'"', s + 1)
data = ss[s + 1:e].strip()
else:
s = 1
e = ss.find(',')
data = ss[s:e].strip()
fields.append((name, data))
# There is trailing comma, we should take it out
e = ss.find(',', e) + 1
start = f + e + 2
f = string.find(strng, '=', start)
return fields
def get_fields(strng):
f = strng.find('=')
braces_rex = re.compile(r'\s*[{]')
comilla_rex = re.compile(r'\s*["]')
start = 0
fields = []
end = len(strng)
# start holds the current position in the strng
# f : position of equal sign
# s : position of {, opening " or first line after the equal sign
# e : position of closing }, " or next comma
while f != -1 and start < end:
name = string.strip(strng[start:f]).lower()
if name != '':
ss = strng[f + 1:]
if braces_rex.match(ss):
s, e = match_pair(ss)
data = ss[s + 1:e - 1].strip()
elif comilla_rex.match(ss):
s = string.find(ss, r'"')
e = string.find(ss, r'"', s + 1)
data = ss[s + 1:e].strip()
else:
s = 1
e = ss.find(',')
data = ss[s:e].strip()
fields.append((name, data))
# There is trailing comma, we should take it out
e = ss.find(',', e) + 1
start = f + e + 2
f = string.find(strng, '=', start)
return fields
def bibtexload(filecontents_source):
space_rex = re.compile('\s+')
pubtype_rex = re.compile('\W?@(\w*)\s*{\s*([^,]*),')
pub_rex = re.compile('\W?@(\w*)\s*{')
filecontents = []
# remove trailing and excessive whitespace
for line in filecontents_source:
line = string.strip(line)
line = space_rex.sub(' ', line)
filecontents.append(' ' + line)
filecontents = string.join(filecontents, '')
# the file is in one long string
filecontents = no_outer_parens(filecontents)
# character encoding, reserved latex characters
filecontents = re.sub('{\\\&}', '&', filecontents)
filecontents = re.sub('\\\&', '&', filecontents)
filecontents = filecontents.strip()
#
# Find entries
#
strings = []
preamble = []
comment = []
entries = {}
start = 0
s = 0
e = 0
final = len(filecontents) - 1
while start < final:
entry = {}
m = pub_rex.search(filecontents[start:])
if m:
start += m.start()
arttype = string.lower(pub_rex.sub('\g<1>', m.group()))
d = match_pair(filecontents[start:])
if d:
s, e = d
s += start + 1
e += (start - 1)
# current has the currently analyzed entry
current = filecontents[s:e]
if arttype == 'string':
name, defin = string.split(current, "=")
defin = defin.replace('"', '').replace(' ', ' ')
strings.append((name.strip(), defin.strip()))
elif arttype == 'comment' or arttype == 'preamble':
pass
# print '# '+ arttype
else:
p = re.match('([^,]+),', current)
artid = p.group()[:-1]
entry['type'] = arttype
entry['id'] = artid
current = current[p.end():]
ff = get_fields(current)
for n, d in ff:
entry[n] = d
entries[artid] = entry
start = e
else:
return strings, entries
return strings, entries
def bibtexload(filecontents_source):
space_rex = re.compile('\s+')
pub_rex = re.compile('\W?@(\w*)\s*{')
filecontents = []
# remove trailing and excessive whitespace
# ignore comments
for line in filecontents_source:
line = string.strip(line)
line = space_rex.sub(' ', line)
# ignore comments
filecontents.append(' ' + line)
filecontents = string.join(filecontents, '')
# the file is in one long string
filecontents = no_outer_parens(filecontents)
# character encoding, reserved latex characters
filecontents = re.sub('{\\\&}', '&', filecontents)
filecontents = re.sub('\\\&', '&', filecontents)
filecontents = filecontents.strip()
#
# Find entries
#
strings = []
entries = {}
s = 0
e = 0
start = 0
final = len(filecontents) - 1
while start < final:
entry = {}
m = pub_rex.search(filecontents[start:])
if m:
start += m.start()
arttype = string.lower(pub_rex.sub('\g<1>', m.group()))
d = match_pair(filecontents[start:])
if d:
s, e = d
s += start + 1
e += (start - 1)
# current has the currently analyzed entry
current = filecontents[s:e]
if arttype == 'string':
name, defin = string.split(current, "=")
defin = defin.replace('"', '').replace(' ', ' ')
strings.append((name.strip(), defin.strip()))
elif arttype == 'comment' or arttype == 'preamble':
pass
# print '# '+ arttype
else:
p = re.match('([^,]+),', current)
artid = p.group()[:-1]
entry['type'] = arttype
entry['id'] = artid
current = current[p.end():]
ff = get_fields(current)
for n, d in ff:
entry[n] = d
entries[artid] = entry
start = e
else:
return strings, entries
return strings, entries
def authors(data):
tokenized = []
a = []
sticky = (None, "")
#determine the case of the word
for i in re.finditer("(?P<caseless>[{\\\][^,\s]*)|(?P<separator>,)"
"|(?P<word>[^\s,]+)|(?P<space>\s)", data):
if not sticky[0] and re.search("{", i.group(0)) \
and not match_pair(i.group(0)): # brace not closed?
if i.group("caseless"):
sticky = ("caseless", i.group(0))
elif i.group("word"):
sticky = ("word", i.group(0))
continue
elif sticky[0] and not match_pair(sticky[1] + i.group(0)):
sticky = (sticky[0], sticky[1] + i.group(0))
continue
if sticky[0]:
match = sticky[1] + i.group(0)
token = sticky[0]
sticky = (None, "")
else:
match = i.group(0)
if i.group("caseless"):
token = "caseless"
if i.group("word"):
token = "word"
if i.group("separator"):
a.append("separator")
token = "separator"
if i.group("space"):
token = "space"
if token == "caseless":
m = (0, 0)
caseless = match
while m:
m = match_pair(caseless)
if m and m[0] == 0:
caseless = caseless[m[1]:]
else:
break
w = re.search("[\w]", caseless)
if len(caseless) > 0 and w:
if w.group(0).islower() or w.group(0).isdigit():
a.append(("lowercase", match))
else:
a.append(("uppercase", match))
else:
a.append(("caseless", match))
elif token == "word":
if match == "and":
tokenized.append(a)
a = []
elif match[0].islower() or match[0].isdigit():
a.append(("lowercase", match))
else:
a.append(("uppercase", match))
if sticky[0]:
pass
#raise Exception("Brace error!")
tokenized.append(a)
#determine the cite structure
ret = []
for author in tokenized:
count = author.count("separator")
a = {"first": "", "von": "", "last": "", "jr": ""}
#First von Last
if count == 0:
index = 0
#first
for index, word in enumerate(author):
if index + 1 < len(author) and word[0] != "lowercase":
a["first"] += " " + word[1]
else:
author = author[index:]
break
#von
caseless = []
for index, word in enumerate(author):
if index + 1 < len(author) and word[0] != "uppercase":
if word[0] == "caseless":
caseless.append(word[1])
elif word[0] == "lowercase":
for w in caseless:
a["von"] += " " + w
caseless = []
a["von"] += " " + word[1]
else:
author = author[index:]
#last
for word in caseless:
a["last"] += " " + word
for index, word in enumerate(author):
a["last"] += " " + word[1]
#von Last, [jr ,] First
elif count > 0:
#von
upper = []
for index, word in enumerate(author):
if author[index + 1] == "separator":
upper.append(word[1])
author = author[index + 2:]
break
if word == "uppercase":
upper.append(word)
elif word != "separator":
for w in upper:
a["von"] += " " + w
upper = []
a["von"] += " " + word[1]
else:
author = author[index + 1:]
break
#last
for word in upper:
a["last"] += " " + word
#jr
if count > 1:
for index, word in enumerate(author):
if word != "separator":
a["jr"] += " " + word[1]
else:
author = author[index + 1:]
break
#first
for index, word in enumerate(author):
if word != "separator":
a["first"] += " " + word[1]
else:
a["first"] += ","
elif count > 1:
pass
b = {}
for k in a:
if len(a[k]) > 0:
b[k] = a[k]
b[k] = b[k].lstrip()
ret.append(b)
return ret
def authors(data):
tokenized = []
a = []
sticky = (None, "")
#determine the case of the word
for i in re.finditer(
"(?P<caseless>[{\\\][^,\s]*)|(?P<separator>,)"
"|(?P<word>[^\s,]+)|(?P<space>\s)", data):
if not sticky[0] and re.search("{", i.group(0)) \
and not match_pair(i.group(0)): # brace not closed?
if i.group("caseless"):
sticky = ("caseless", i.group(0))
elif i.group("word"):
sticky = ("word", i.group(0))
continue
elif sticky[0] and not match_pair(sticky[1] + i.group(0)):
sticky = (sticky[0], sticky[1] + i.group(0))
continue
if sticky[0]:
match = sticky[1] + i.group(0)
token = sticky[0]
sticky = (None, "")
else:
match = i.group(0)
if i.group("caseless"):
token = "caseless"
if i.group("word"):
token = "word"
if i.group("separator"):
a.append("separator")
token = "separator"
if i.group("space"):
token = "space"
if token == "caseless":
m = (0, 0)
caseless = match
while m:
m = match_pair(caseless)
if m and m[0] == 0:
caseless = caseless[m[1]:]
else:
break
w = re.search("[\w]", caseless)
if len(caseless) > 0 and w:
if w.group(0).islower() or w.group(0).isdigit():
a.append(("lowercase", match))
else:
a.append(("uppercase", match))
else:
a.append(("caseless", match))
elif token == "word":
if match == "and":
tokenized.append(a)
a = []
elif match[0].islower() or match[0].isdigit():
a.append(("lowercase", match))
else:
a.append(("uppercase", match))
if sticky[0]:
pass
#raise Exception("Brace error!")
tokenized.append(a)
#determine the cite structure
ret = []
for author in tokenized:
count = author.count("separator")
a = {"first": "", "von": "", "last": "", "jr": ""}
#First von Last
if count == 0:
index = 0
#first
for index, word in enumerate(author):
if index + 1 < len(author) and word[0] != "lowercase":
a["first"] += " " + word[1]
else:
author = author[index:]
break
#von
caseless = []
for index, word in enumerate(author):
if index + 1 < len(author) and word[0] != "uppercase":
if word[0] == "caseless":
caseless.append(word[1])
elif word[0] == "lowercase":
for w in caseless:
a["von"] += " " + w
caseless = []
a["von"] += " " + word[1]
else:
author = author[index:]
#last
for word in caseless:
a["last"] += " " + word
for index, word in enumerate(author):
a["last"] += " " + word[1]
#von Last, [jr ,] First
elif count > 0:
#von
upper = []
for index, word in enumerate(author):
if author[index + 1] == "separator":
upper.append(word[1])
author = author[index + 2:]
break
if word == "uppercase":
upper.append(word)
elif word != "separator":
for w in upper:
a["von"] += " " + w
upper = []
a["von"] += " " + word[1]
else:
author = author[index + 1:]
break
#last
for word in upper:
a["last"] += " " + word
#jr
if count > 1:
for index, word in enumerate(author):
if word != "separator":
a["jr"] += " " + word[1]
else:
author = author[index + 1:]
break
#first
for index, word in enumerate(author):
if word != "separator":
a["first"] += " " + word[1]
else:
a["first"] += ","
elif count > 1:
pass
b = {}
for k in a:
if len(a[k]) > 0:
b[k] = a[k]
b[k] = b[k].lstrip()
ret.append(b)
return ret