python 時間格式解析

下面講自己在某論壇**上遇到的時間格式解析

在下面的所有時間操作中，都是將時間轉換成標準的格式  %y-%m-%d %h:%m:%s 示例：2018-07-26 18:56:42

在示例**中會出現 s_time 這個字串是我們提取出來的字串，需要做處理的字串。result_time 是我們處理的結果。

1、s_time = "2017-06-15"

if re.findall(r'\d-\d-\d', s_time):

result_time = time.strftime("%y-%m-%d %h:%m:%s", time.strptime(s_time, "%y-%m-%d"))

elif u'天前' in s_time:

days = re.findall(u'(\d+)天前', s_time)[0]
result_time = (datetime.now() - timedelta(days=int(days))).strftime("%y-%m-%d %h:%m:%s")

elif u'昨天' in s_time:

last_time = re.findall(r'.*?(\d:\d)', s_time)[0]
days_ago = datetime.now() - timedelta(days=int(1))
y_m_d = str(days_ago.year) + '-' + str(days_ago.month) + '-' + str(days_ago.day)
_time = y_m_d + ' ' + last_time
result_time = time.strftime("%y-%m-%d %h:%m:%s", time.strptime(_time, "%y-%m-%d %h:%m"))

elif u'分鐘前' in s_time:

minutes = re.findall(u'(\d+)分鐘', s_time)[0]
minutes_ago = (datetime.now() - timedelta(minutes=int(minutes))).strftime("%y-%m-%d %h:%m:%s")
result_time = minutes_ago

elif re.findall(r'\d-\d', s_time) and len(s_time) <= 5:

now_year = str(datetime.now().year)
_time = now_year + '-' + s_time
result_time = time.strftime("%y-%m-%d %h:%m:%s", time.strptime(_time, "%y-%m-%d"))

elif u'小時前' in s_time:

hours = re.findall(u'(\d+)小時前', s_time)[0]
hours_ago = (datetime.now() - timedelta(hours=int(hours))).strftime("%y-%m-%d %h:%m:%s")
result_time = hours_ago

elif re.findall('\d',s_time)[0]:

_t = int(s_time)
_time = time.localtime(int(_t))
result_time = time.strftime("%y-%m-%d %h:%m:%s", _time)

def parse_time(self,s_time):

result_time = ''
# 1、2017-06-15
if re.findall(r'\d-\d-\d', s_time):
result_time = time.strftime("%y-%m-%d %h:%m:%s", time.strptime(s_time, "%y-%m-%d"))
# 6天前
elif u'天前' in s_time:
days = re.findall(u'(\d+)天前', s_time)[0]
result_time = (datetime.now() - timedelta(days=int(days))).strftime("%y-%m-%d %h:%m:%s")
# 昨天 18:03
elif u'昨天' in s_time:
last_time = re.findall(r'.*?(\d:\d)', s_time)[0]
days_ago = datetime.now() - timedelta(days=int(1))
y_m_d = str(days_ago.year) + '-' + str(days_ago.month) + '-' + str(days_ago.day)
_time = y_m_d + ' ' + last_time
result_time = time.strftime("%y-%m-%d %h:%m:%s", time.strptime(_time, "%y-%m-%d %h:%m"))
# 28分鐘前
elif u'分鐘前' in s_time:
minutes = re.findall(u'(\d+)分鐘', s_time)[0]
minutes_ago = (datetime.now() - timedelta(minutes=int(minutes))).strftime("%y-%m-%d %h:%m:%s")
result_time = minutes_ago
# 06-29
elif re.findall(r'\d-\d', s_time) and len(s_time) <= 5:
now_year = str(datetime.now().year)
_time = now_year + '-' + s_time
result_time = time.strftime("%y-%m-%d %h:%m:%s", time.strptime(_time, "%y-%m-%d"))
# 1小時前
elif u'小時前' in s_time:
hours = re.findall(u'(\d+)小時前', s_time)[0]
hours_ago = (datetime.now() - timedelta(hours=int(hours))).strftime("%y-%m-%d %h:%m:%s")
result_time = hours_ago
return result_time

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