mirror of https://github.com/snachodog/mybuddy.git
125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
import time
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import pytz
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from django.conf import settings
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from django.utils import timezone
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from django.conf.locale.en import formats as formats_en_us
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from django.conf.locale.en_GB import formats as formats_en_gb
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def update_en_us_date_formats():
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"""
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Update the datetime formats for the en-US locale. This is handled here and
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not using `FORMAT_MODULE_PATH` because the processing of format modules
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does not allow us to distinguish appropriately between en-US and en-GB
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based on user settings.
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"""
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if settings.USE_24_HOUR_TIME_FORMAT:
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formats_en_us.DATETIME_FORMAT = 'N j, Y, H:i:s'
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custom_input_formats = [
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'%m/%d/%Y %H:%M:%S', # '10/25/2006 14:30:59'
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'%m/%d/%Y %H:%M', # '10/25/2006 14:30'
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]
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formats_en_us.SHORT_DATETIME_FORMAT = 'm/d/Y G:i:s'
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formats_en_us.TIME_FORMAT = 'H:i:s'
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else:
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# These formats are added to support the locale style of Baby Buddy's
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# frontend library, which uses momentjs.
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custom_input_formats = [
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'%m/%d/%Y %I:%M:%S %p', # '10/25/2006 2:30:59 PM'
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'%m/%d/%Y %I:%M %p', # '10/25/2006 2:30 PM'
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]
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# Add custom "short" version of `MONTH_DAY_FORMAT`.
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formats_en_us.SHORT_MONTH_DAY_FORMAT = 'M j'
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# Append all other input formats from the base locale.
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formats_en_us.DATETIME_INPUT_FORMATS = \
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custom_input_formats + formats_en_us.DATETIME_INPUT_FORMATS
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def update_en_gb_date_formats():
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if settings.USE_24_HOUR_TIME_FORMAT:
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formats_en_gb.DATETIME_FORMAT = 'j F Y H:i:s'
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custom_input_formats = [
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'%d/%m/%Y %H:%M:%S', # '25/10/2006 14:30:59'
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'%d/%m/%Y %H:%M', # '25/10/2006 14:30'
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]
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formats_en_gb.SHORT_DATETIME_FORMAT = 'd/m/Y H:i'
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formats_en_gb.TIME_FORMAT = 'H:i'
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else:
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# These formats are added to support the locale style of Baby Buddy's
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# frontend library, which uses momentjs.
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custom_input_formats = [
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'%d/%m/%Y %I:%M:%S %p', # '25/10/2006 2:30:59 PM'
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'%d/%m/%Y %I:%M %p', # '25/10/2006 2:30 PM'
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]
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# Not setting this makes pages display using the the 25/10/2006 as desired
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# Add custom "short" version of `MONTH_DAY_FORMAT`.
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# formats_en_gb.SHORT_MONTH_DAY_FORMAT = 'j M'
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# Append all other input formats from the base locale.
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formats_en_gb.DATETIME_INPUT_FORMATS = \
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custom_input_formats + formats_en_gb.DATETIME_INPUT_FORMATS
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class UserLanguageMiddleware:
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"""
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Customizes settings based on user language setting.
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"""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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user = request.user
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if hasattr(user, 'settings') and user.settings.language == 'en-US':
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update_en_us_date_formats()
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elif hasattr(user, 'settings') and user.settings.language == 'en-GB':
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update_en_gb_date_formats()
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return self.get_response(request)
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class UserTimezoneMiddleware:
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"""
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Sets the timezone based on a user specific setting that falls back on
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`settings.TIME_ZONE`. This middleware must run after
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`django.contrib.auth.middleware.AuthenticationMiddleware` because it uses
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the request.user object.
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"""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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user = request.user
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if hasattr(user, 'settings') and user.settings.timezone:
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try:
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timezone.activate(pytz.timezone(user.settings.timezone))
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except pytz.UnknownTimeZoneError:
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pass
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return self.get_response(request)
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class RollingSessionMiddleware:
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"""
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Periodically resets the session expiry for existing sessions.
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"""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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if request.session.keys():
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session_refresh = request.session.get('session_refresh')
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if session_refresh:
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try:
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delta = int(time.time()) - session_refresh
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except (ValueError, TypeError):
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delta = settings.ROLLING_SESSION_REFRESH + 1
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if delta > settings.ROLLING_SESSION_REFRESH:
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request.session['session_refresh'] = int(time.time())
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request.session.set_expiry(settings.SESSION_COOKIE_AGE)
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else:
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request.session['session_refresh'] = int(time.time())
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return self.get_response(request)
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