如何在if语句中使用本地时间（HH：MM）-python

debugcn 发表于 Dev

蒂斯

我根据if语句中的移动和一天中的时间编写了一些代码来打开灯。如果（本地）时间在日出时间和预设时间之间，或者日落时间和预设时间之间，则if语句为true，则运动检测语句将跟随。

目前，时间仅以小时为单位显示为整数。我如何使我的if语句与小时和分钟一起工作（认为这将是一个字符串）。因此，该语句将适用于6:45而不是7。

这是我的代码。

import RPi.GPIO as GPIO
import time
import urllib2
from datetime import datetime
from business_calendar import Calendar, MO, TU, WE, TH, FR
from pytz import timezone

#uur
fmh = "%H"
fmt = "$H:%M"

#Def. var. 
x=0
now_utc = 0
now_amsterdam = 0

print "Here we go! Press CTRL+C to exit"
try:
    while x < 1:
        count = 0
        date = datetime.today()

        #werkdag def.
        cal = Calendar(workdays=[MO,TU,WE,TH,FR])
        busday = cal.isbusday(date)

        # dT AMS-UTC
        now_utc = datetime.now(timezone('UTC'))
        now_amsterdam = now_utc.astimezone(timezone('Europe/Amsterdam'))
        UTC = int(now_utc.strftime(fmh))
        AMS = int(now_amsterdam.strftime(fmh))

        dT = AMS - UTC

        # Zonsopgang/Ondegang
        request = 'http://api.sunrise-sunset.org/json?lat=51.9913XXX&lng=4.4733XXX&formatted=0'
        response = urllib2.urlopen(request)
        timestring = response.read()
        utcsunrise = timestring[35:39] #Will be 35:39 for HH:MM and cant be a string then
        utcsunset = timestring[71:73] #Will be 71:79 for HH:MM
        amssunrise = int(utcsunrise) + dT #Wont work with a string
        amssunset = int(utcsunset) + dT

        if amssunrise < 8 #Will be 7:30
            amssunrise = 8 #Will be 7:30

        if amssunset < 21 #Will be 21:30
            amssunset = 21 #Will be 21:30

        #uur
        uur = date.hour #Must be HH:MM instead of only hours

        if busday == True and ((uur >= 7 and uur <= amssunrise) or (uur >= amssunset and uur <= 23)):
                # rest of the statements
                # end statement
except KeyboardInterrupt:
        GPIO.cleanup()

我想听听您的想法。请注意，我是python的新手，但不是编码人员。

问候，Thijs

丹尼尔

使用datetime-objects进行所有计算：

import RPi.GPIO as GPIO
import time
import urllib2
import json
from datetime import datetime
from business_calendar import Calendar, MO, TU, WE, TH, FR
from pytz import timezone, utc

local_timezone = timezone('Europe/Amsterdam')

print "Here we go! Press CTRL+C to exit"
try:
    while True:
        #werkdag def.
        cal = Calendar(workdays=[MO,TU,WE,TH,FR])
        busday = cal.isbusday(date)
        now = datetime.now(local_timezone)
        work_start = now.replace(hour=7, minute=0, second=0, microsecond=0)
        work_end = now.replace(hour=23, minute=0, second=0, microsecond=0)

        # Zonsopgang/Ondegang
        request = 'http://api.sunrise-sunset.org/json?lat=51.9913XXX&lng=4.4733XXX&formatted=0'
        response = urllib2.urlopen(request)
        timestring = json.loads(response.read())
        sunset = datetime.strptime(timestring['results']['sunset'],'%Y-%m-%dT%H:%M:%S+00:00')
        sunset = utc.localize(sunset).astimezone(local_timezone)
        sunrise = datetime.strptime(timestring['results']['sunrise'],'%Y-%m-%dT%H:%M:%S+00:00')
        sunrise = utc.localize(sunset).astimezone(local_timezone)
        if busday and (work_start <= now <= sunrise or sunset <= now <= work_end):
            # rest of the statements
            # end statement
except KeyboardInterrupt:
        GPIO.cleanup()

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