#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Here is all dirty matched code
__author__ = "Ivan Begtin (ivan@begtin.tech)"
__license__ = "BSD"
[docs]def matchPrefix(text):
"""
This is silver bullet, cornerstone and magic wand of speed of this algorithm
it filters patterns using manually selected rules. Yes, yes, it's "dirty" code and it could be beautified in
many ways but this library intended to be fast, not beautiful. Without matching is x1.3 slower so let it be.
:param text: text with date to match
:return: list of patterns to run against
"""
basekeys = []
if not text[0].isdigit():
fc = text[0].lower()
# fc = fc if len(fc) > 1 else text[0].lower()
if fc.isalpha() and ord(fc) in range(ord("a"), ord("z") + 1):
basekeys = [
"dt:date:eng1",
"dt:date:date_eng1x",
"dt:date:eng3",
"dt:date:date_eng2",
"dt:date:date_eng2_lc",
"dt:date:date_eng2_short",
"dt:date:date_eng3",
"dt:date:date_eng3_nolc",
"dt:date:weekday_eng",
"dt:date:weekday_eng_lc",
"dt:date:weekday_eng_wshort",
"dt:date:weekday_eng_iso",
"dt:date:weekday_short_eng_iso",
"dt:date:fr_base_article",
"dt:date:fr_base_lc_article",
"dt:date:weekday_eng_mshort_wshort",
]
basekeys += [
"dt:date:pt_base",
"dt:date:pt_base_lc",
"dt:date:pt_base_article",
"dt:date:pt_base_lc_article",
]
basekeys += [
"dt:date:es_base",
"dt:date:es_base_lc",
"dt:date:es_base_article",
"dt:date:es_base_lc_article",
"dt:date:es_rare_1",
"dt:date:es_rare_2",
]
basekeys += [
"dt:date:it_base",
"dt:date:it_base_lc",
"dt:date:it_base_article",
"dt:date:it_base_lc_article",
"dt:date:it_rare_1",
"dt:date:it_rare_2",
]
else:
basekeys = [
"dt:date:weekday_rus",
"dt:date:weekday_rus_lc1",
"dt:date:rare_5",
"dt:date:rare_6",
]
else:
if text[1] == "." or text[2] == ".":
basekeys = [
"dt:date:date_2",
"dt:date:date_4",
"dt:date:date_rus3",
"dt:date:date_4_point",
"dt:date:date_eng1",
"dt:date:noyear_1",
"dt:date:rare_2",
"dt:date:rare_3",
]
basekeys += ["dt:date:de_base", "dt:date:de_base_lc"]
elif text[1] == "," or text[2] == ",":
basekeys = ["dt:date:date_rus"]
elif text[1] == "/" or text[2] == "/":
basekeys = [
"dt:date:date_1",
"dt:date:date_9",
"dt:date:date_8",
"dt:date:date_usa",
"dt:date:date_usa_1",
"dt:date:rare_1",
]
elif text[1] == "-" or text[2] == "-":
basekeys = ["dt:date:date_iso8601", "dt:date:date_iso8601_short"]
elif text[4] == "-":
basekeys = ["dt:date:date_iso8601", "dt:date:date_9"]
elif text[4] == ".":
basekeys = ["dt:date:date_10"]
else:
basekeys = [
"dt:date:date_3",
"dt:date:date_5",
"dt:date:date_6",
"dt:date:date_7",
"dt:date:date_rus",
"dt:date:date_rus2",
"dt:date:date_rus_lc1",
"dt:date:date_rus_lc2",
"dt:date:date_eng1",
"dt:date:date_eng1_short",
"dt:date:date_eng1_lc",
"dt:date:date_eng1xx",
]
# I have to add others date keys since sometimes spaces used in date inside
basekeys += [
"dt:date:date_1",
"dt:date:date_9",
"dt:date:date_8",
"dt:date:date_usa",
"dt:date:date_usa_1",
"dt:date:rare_1",
"dt:date:rare_2",
"dt:date:rare_3",
"dt:date:rare_4",
"dt:date:date_5",
"dt:date:fr_base",
"dt:date:fr_base_lc",
]
# Adding portugal dates
basekeys += [
"dt:date:pt_base_article",
"dt:date:pt_base_lc_article",
"dt:date:pt_base",
"dt:date:pt_base_lc",
]
# Adding german dates
basekeys += ["dt:date:de_base", "dt:date:de_base_lc"]
# Adding bulgarian dates
basekeys += ["dt:date:bg_base", "dt:date:bg_base_lc"]
# Adding spanish dates
basekeys += [
"dt:date:es_base",
"dt:date:es_base_lc",
"dt:date:es_base_article",
"dt:date:es_base_lc_article",
]
basekeys += [
"dt:date:it_base",
"dt:date:it_base_lc",
"dt:date:it_base_article",
"dt:date:it_base_lc_article",
]
# print('Basekeys', basekeys, 'for', text)
return basekeys