不使用pytz将时区更改为datetime对象
不使用pytz将时区更改为datetime对象
提问于 2021-12-23 09:42:51
在没有pytz模块的情况下，我面临一些试图更改datetime对象时区的问题。因此，基本上，我需要这段代码而不用pytz：
def change_timezone(date: str, tz: str):
tz = pytz.timezone(tz)
date = datetime.datetime.strptime(date, "%Y-%m-%dT%H:%M:%SZ")
return date = date.replace(tzinfo=pytz.utc).astimezone(tz=tz)我在一个不允许我使用外部Python模块的外部平台上运行这个脚本，这就是我不能使用pytz的原因。
此函数的输入是一个字符串，包含UTC时区中的日期(例如：date = "2021-11-30T23:00:00Z")和另一个字符串，指定应该将日期转换到的时区(例如：tz = "Europe/Madrid")。
有没有办法不使用pytz来解决这个问题？
谢谢!
更新
当使用zoneinfo模块时：
from zoneinfo import ZoneInfo
SPAIN = ZoneInfo("America/Los_Angeles")我得到以下错误：
Traceback (most recent call last):
File "C:\Users\sydea\AppData\Local\Programs\Python\Python39-32\lib\zoneinfo\_common.py", line 12, in load_tzdata
return importlib.resources.open_binary(package_name, resource_name)
File "C:\Users\sydea\AppData\Local\Programs\Python\Python39-32\lib\importlib\resources.py", line 88, in open_binary
package = _get_package(package)
File "C:\Users\sydea\AppData\Local\Programs\Python\Python39-32\lib\importlib\resources.py", line 49, in _get_package
module = _resolve(package)
File "C:\Users\sydea\AppData\Local\Programs\Python\Python39-32\lib\importlib\resources.py", line 40, in _resolve
return import_module(name)
File "C:\Users\sydea\AppData\Local\Programs\Python\Python39-32\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 972, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 972, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 984, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'tzdata'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "c:\Users\sydea\Desktop\Cargadores solares\Proyecto\OCPP-1.6J-CS-I\pruebas.py", line 8, in <module>
SPAIN = ZoneInfo("America/Los_Angeles")
File "C:\Users\sydea\AppData\Local\Programs\Python\Python39-32\lib\zoneinfo\_common.py", line 24, in load_tzdata
raise ZoneInfoNotFoundError(f"No time zone found with key {key}")
zoneinfo._common.ZoneInfoNotFoundError: 'No time zone found with key America/Los_Angeles'UPDATE我不知道这是否有用，但是运行以下代码：
import sysconfig
print(sysconfig.get_config_var("TZPATH"))显示此路径：
/usr/share/zoneinfo:/usr/lib/zoneinfo:/usr/share/lib/zoneinfo:/etc/zoneinfo回答 1
Stack Overflow用户
发布于 2021-12-23 11:29:15
使用来自dateutil的tz：
from dateutil import tz
import datetime
start_date = datetime.datetime.strptime(str_datetime, "%Y-%m-%dT%H:%M:%SZ")
from_zone = tz.gettz('UTC')
to_zone = tz.gettz('Europe/Madrid')
start_date = start_date.replace(tzinfo = from_zone)
local = start_date.astimezone(to_zone)页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/70460247
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