def q_daterange(start, end, now=None) :
"""Takes (startdate, enddate) and creates [$date(startdate),
$date(enddate)]."""
if now is None :
now = ("value", datetime.datetime.now())
now, start, end = require_type("value", now, start, end)
start = fuzzydate.parse_date(start, now)
end = fuzzydate.parse_date(end, now)
return ("value", [("value", start), ("value", end)])
def q_date(s=("value",""), now=None) :
"""Takes s="" and now=datetime.now() and gives
fuzzydate.parse_date(s,now)."""
if now is None :
now = ("value", datetime.datetime.now())
s, now = require_type("value", s, now)
return ("value", fuzzydate.parse_date(s, now))
def strip_date(s):
""" remove all date/time bits from text """
d,dspan = fuzzydate.parse_date(s)
if dspan is not None:
s = s[:dspan[0]] + s[dspan[1]:]
t,tspan = fuzzydate.parse_time(s)
if tspan is not None:
s = s[:tspan[0]] + s[tspan[1]:]
if tspan is not None or dspan is not None:
# TODO: strip leftover "on" "at" etc...
s = re.compile(r'\b(on|at|published|posted)\b[:]?',re.IGNORECASE).sub('',s)
return s
def filter_blob_metadata_dates(db, tags) :
if "event" not in tags :
raise DeferAction()
else :
tags["tag"] = list_drop(list_lift(tags.get("tag", [])) + ["event"])
for field, depends, createp in event_date_fields :
if depends in tags and type(tags[depends]) is datetime.datetime :
if field in tags :
sdate = tags[field][0] if type(tags[field]) is list else tags[field]
try :
date = fuzzydate.parse_date(sdate, tags[depends])
except fuzzydate.DateFormatException as x :
date = "%s (DateFormatException: %r)" % (sdate, x.args)
tags[field] = date
elif createp in tags and type(tags[createp]) is datetime.datetime :
tags[field] = tags[createp]
raise ContinueWith(db, tags)
def parse_byline(candidate,all,headline_node):
authors = []
score = 0.0
txt = util.render_text(candidate)
txt = u' '.join(txt.split()).strip()
if len(txt) > 200:
return (authors,score)
logging.debug("byline: consider <%s> '%s'"%(candidate.tag,txt[:75]))
# if candidate.tag == 'a':
# score += eval_author_link(candidate)
# split up using html structure
parts = util.iter_text(candidate)
# pass 1: check for and strip out parts with dates & times
# TODO: this is a bit ruthless - could lose names if in same block
parts2 = []
for txt,el in parts:
is_pubdate_frag = False
if pats.pubdate['pubdate_indicator'].search(txt):
is_pubdate_frag = True
t,dspan = fuzzydate.parse_date(txt)
if dspan is not None:
logging.debug(" +0.1 contains date")
score += 0.1
is_pubdate_frag = True
d,tspan = fuzzydate.parse_time(txt)
if tspan is not None:
logging.debug(" +0.1 contains time")
score += 0.1
is_pubdate_frag = True
if not is_pubdate_frag:
parts2.append((txt,el))
# pass 2: split up text on likely separators - "and" "in" or any non alphabetic chars...
# (capturing patterns are included in results)
split_pat = re.compile(r'((?:\b(?:and|with|in)\b)|(?:[^-_.\w\s]+))',re.IGNORECASE|re.UNICODE)
parts3 = []
for txt,el in parts2:
fragments = split_pat.split(txt)
for frag in fragments:
parts3.append((frag.strip(),el))
# pass three - split out indicatives ("by", "posted by" etc)
parts4 = []
for txt,el in parts3:
for frag in pats.byline['indicative'].split(txt):
parts4.append((frag,el))
# clean up
parts4 = [(txt.strip(),el) for txt,el in parts4]
parts4 = [(txt,el) for txt,el in parts4 if txt!=u'']
# now run through classifying and collecting authors
authors,score = parse_byline_parts(parts4)
# TEST: likely-looking class or id
if pats.byline['classes'].search(candidate.get('class','')):
logging.debug(" +1 likely class")
score += 1.0
if pats.byline['classes'].search(candidate.get('id','')):
logging.debug(" +1 likely id")
score += 1.0
# TEST: directly after headline?
foo = intervening(headline_node,candidate,all)
if foo is not None:
if len(foo) == 0:
logging.debug(" +0.5 directly after headline")
score += 0.5
logging.debug( " total: %.3f" % (score,))
return (authors, score)
def parse_byline(candidate, all, headline_node):
authors = []
score = 0.0
txt = util.render_text(candidate)
txt = u' '.join(txt.split()).strip()
if len(txt) > 200:
return (authors, score)
logging.debug("byline: consider <%s> '%s'" % (candidate.tag, txt[:75]))
# if candidate.tag == 'a':
# score += eval_author_link(candidate)
# split up using html structure
parts = util.iter_text(candidate)
# pass 1: check for and strip out parts with dates & times
# TODO: this is a bit ruthless - could lose names if in same block
parts2 = []
for txt, el in parts:
is_pubdate_frag = False
if pats.pubdate['pubdate_indicator'].search(txt):
is_pubdate_frag = True
t, dspan = fuzzydate.parse_date(txt)
if dspan is not None:
logging.debug(" +0.1 contains date")
score += 0.1
is_pubdate_frag = True
d, tspan = fuzzydate.parse_time(txt)
if tspan is not None:
logging.debug(" +0.1 contains time")
score += 0.1
is_pubdate_frag = True
if not is_pubdate_frag:
parts2.append((txt, el))
# pass 2: split up text on likely separators - "and" "in" or any non alphabetic chars...
# (capturing patterns are included in results)
split_pat = re.compile(r'((?:\b(?:and|with|in)\b)|(?:[^-_.\w\s]+))',
re.IGNORECASE | re.UNICODE)
parts3 = []
for txt, el in parts2:
fragments = split_pat.split(txt)
for frag in fragments:
parts3.append((frag.strip(), el))
# pass three - split out indicatives ("by", "posted by" etc)
parts4 = []
for txt, el in parts3:
for frag in pats.byline['indicative'].split(txt):
parts4.append((frag, el))
# clean up
parts4 = [(txt.strip(), el) for txt, el in parts4]
parts4 = [(txt, el) for txt, el in parts4 if txt != u'']
# now run through classifying and collecting authors
authors, score = parse_byline_parts(parts4)
# TEST: likely-looking class or id
if pats.byline['classes'].search(candidate.get('class', '')):
logging.debug(" +1 likely class")
score += 1.0
if pats.byline['classes'].search(candidate.get('id', '')):
logging.debug(" +1 likely id")
score += 1.0
# TEST: directly after headline?
foo = intervening(headline_node, candidate, all)
if foo is not None:
if len(foo) == 0:
logging.debug(" +0.5 directly after headline")
score += 0.5
logging.debug(" total: %.3f" % (score, ))
return (authors, score)
def testSpans(self):
got,span = parse_date('blah blah blah wibble foo, may 25th, 2011 some more crap here')
self.assertEqual(span,(27,41))
got,span = parse_date('wibble 25-01-2011 pibble')
self.assertEqual(span,(7,17))
