#!/usr/bin/python3.7
# -*- coding: utf-8 -*-
# @Time : 2019/12/9 10:19
# @Author: Jtyoui@qq.com
from jtyoui.data import replace, chinese_mon_number
from jtyoui.time.nlptime.dateRe import DATE_RE, Solar_Holiday, Lunar_Holiday
from jtyoui.time.nlptime.timeunit import TimeUnit, TimePoint
import re
import time
[文档]class NlpTime:
"""大型正则解析时间
>>> np = NlpTime('2019-12-19 00:00:00').parse('国庆节的前一天晚上8点半')
>>> print(np) # ['2019-09-29 20:30:00']
>>> np = NlpTime('2019-12-19 00:00:00').parse('今天晚上8点到明天上午10点之间')
>>> print(np) # ['2019-12-19 20:00:00', '2019-12-20 10:00:00']
>>> np = NlpTime('2019-12-19 00:00:00').parse('今年儿童节晚上九点一刻')
>>> print(np) # ['2019-06-01 21:15:00']
>>> np = NlpTime('2019-12-19 00:00:00').parse('今天中午十二点')
>>> print(np) # ['2019-12-09 12:00:00']
>>> np = NlpTime('2019-12-19 00:00:00').parse('明年春节')
>>> print(np) # ['2020-01-25 00:00:00']
>>> np = NlpTime('2019-12-19 00:00:00').parse('下下下个星期五早上7点半')
>>> print(np) # ['2020-01-10 07:30:00']
>>> np = NlpTime('2019-12-19 00:00:00').parse('今年的大寒')
>>> print(np) # ['2020-01-20 00:00:00']
"""
def __init__(self, time_base=None, prefer_future=False):
"""时间解析
分析文件进行数据时间分析，包括复杂的时间、口语化、农历等
:param time_base: 当前时间，格式是年-月-日 时:分:秒
:param prefer_future: 启动预测功能
"""
self.isPreferFuture = prefer_future
self.pattern = re.compile(DATE_RE)
self.timeBase = None
self.solar_holiday = Solar_Holiday
self.lunar_holiday = Lunar_Holiday
self.isTimeSpan = False
self.invalidSpan = False
self.timeSpan = ''
self.timeBase = replace(r'\W+', '-', time_base) if time_base else time.strftime('%Y-%m-%d-%H-%M-%S')
[文档] def parse(self, target) -> list:
"""解析时间"""
times = []
input_query = self._filter(target)
time_token = self._ex(input_query)
for res in time_token:
rt = res.time
if rt:
times.append(rt.format("YYYY-MM-DD HH:mm:ss"))
return times
@staticmethod
def _filter(word) -> str:
"""对一些不规范的表达做转换"""
for k, v in chinese_mon_number.items():
if k == '十':
continue
word = word.replace(k, v)
pattern = re.compile("(?:周|星期)[末天日]")
match = pattern.finditer(word)
for m in match:
word = word.replace(m.group(), '7')
pattern = re.compile("[0-9]?十[0-9]?")
match = pattern.finditer(word)
for m in match:
group = m.group()
s = group.split("十")
ten, end = int(s[0]) if s[0] else 0, int(s[1]) if s[1] else 0
if ten == 0:
ten = 1
num = ten * 10 + end
word = word.replace(m.group(), str(num))
input_query = re.sub('\\s+|的', '', word) # 去除不用的字
match = re.search("[0-9]月[0-9]", input_query)
if match is not None:
index = input_query.find('月')
match = re.search("[日号]", input_query[index:])
if match is None:
match = re.search("[0-9]月[0-9]+", input_query)
if match is not None:
end = match.span()[1]
input_query = input_query[:end] + '号' + input_query[end:]
match = re.search("月", input_query)
if match is None:
input_query = input_query.replace('个', '')
replaces = {'中旬': '15号', '傍晚': '午后', '大年': '春节', '51': '劳动节', '白天': '早上', '：': ':', '前1天': '前天', '后1天': '后天'}
for k, v in replaces.items():
input_query = input_query.replace(k, v)
return input_query
def _ex(self, word):
temp, start, end = [], -1, -1
match = self.pattern.finditer(word)
for m in match:
start = m.start()
if start == end:
temp[-1] += m.group()
else:
temp.append(m.group())
end = m.end()
res = []
context_tp = TimePoint()
for t in temp:
res.append(TimeUnit(t, self, context_tp))
context_tp = res[-1].tp
return res
if __name__ == '__main__':
np = NlpTime('2019-12-19 00:00:00').parse('国庆节的前一天晚上8点半')
print(np) # ['2019-09-29 20:30:00']
np = NlpTime('2019-12-19 00:00:00').parse('今天晚上8点到明天上午10点之间')
print(np) # ['2019-12-19 20:00:00', '2019-12-20 10:00:00']
np = NlpTime('2019-12-19 00:00:00').parse('今年儿童节晚上九点一刻')
print(np) # ['2019-06-01 21:15:00']
np = NlpTime('2019-12-19 00:00:00').parse('今天中午十二点')
print(np) # ['2019-12-09 12:00:00']
np = NlpTime('2019-12-19 00:00:00').parse('明年春节')
print(np) # ['2020-01-25 00:00:00']
np = NlpTime('2019-12-19 00:00:00').parse('下下下个星期五早上7点半')
print(np) # ['2020-01-10 07:30:00']
np = NlpTime('2019-12-19 00:00:00').parse('今年的大寒')
print(np) # ['2020-01-20 00:00:00']
np = NlpTime('2019-12-19 00:00:00').parse('189号')
print(np) # []