使用python将字符串转换为时间 [英] Convert string to time with python

问题描述

我已经阅读了几个stackoverflow文章，但仍然无法弄清楚这一点...

I have read a few stackoverflow posts but still can't figure this out...

我想抓取最近48小时内发布的craigslist帖子。发布时间是以下craigslist格式：

I want to crawl craigslist post posted within last 48 hours. Posted time is in the following format for craigslist:

2013-03-15，7:43 PM MDT

2013-03-15, 7:43PM MDT

我试过

string = "2013-03-15, 7:43PM MDT"

time.strptime(string, "%Y-%m-%d, %I:%M%p %Z")

但是明显的格式与字符串不匹配。这个时间字符串的格式应该是什么？

But apparent the format doesnt match the string. What should be the format for this time string?

推荐答案

问题是MDT。 Python的％Z不支持（至少对我来说似乎是这样）。可能有更好的解决方案，但这应该是有效的：

The problem is the MDT. Python's %Z doesn't support that (at least it seems so to me). There are probably better solutions, but this one should work:

import time
import datetime

#use the UTC which Python understands
a="2013-03-15, 7:43PM MDT".replace("MDT","UTC")
fs="%Y-%m-%d, %I:%M%p %Z"
c=time.strptime(a, fs)

#converting from UTC to MDT (time difference)
dt = datetime.datetime.fromtimestamp(time.mktime(c)) - datetime.timedelta(hours=6)
print dt

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