def render_to_response(self, context, **response_kwargs):
# set experimental percentages per locale with this config
# e.g. EXP_CONFIG_FX_NEW=de:20,en-US:10,fr:25
# this would send 20% of de, 10% of en-US, and 25% of fr requests to the experiment page
# all other locales would be unaffected
redirect_percents = config('EXP_CONFIG_FX_NEW',
default='',
parser=DictOf(int))
skip_exp = 'automation' in self.request.GET
# only engage the experiment infra if some experiments are set
if redirect_percents and not skip_exp:
locale = l10n_utils.get_locale(self.request)
percent = redirect_percents.get(locale, 0)
if percent:
percent = percent / 100
print(percent)
if random() <= percent:
exp_url = reverse('exp.firefox.new')
query_string = self.request.META.get('QUERY_STRING', '')
if query_string:
exp_url = '?'.join([
exp_url,
force_text(query_string, errors='ignore')
])
response = HttpResponseRedirect(exp_url)
else:
response = super().render_to_response(
context, **response_kwargs)
# remove cache for better experiment results
add_never_cache_headers(response)
return response
return super().render_to_response(context, **response_kwargs)
def switch(name):
"""A template helper that replaces waffle
* All calls default to True when DEV setting is True.
* If the env var is explicitly false it will be false even when DEV = True.
* Otherwise the call is False by default and True is a specific env var exists and is truthy.
For example:
{% if switch('dude-and-walter') %}
would check for an environment variable called `SWITCH_DUDE_AND_WALTER`. The string from the
`switch()` call is converted to uppercase and dashes replaced with underscores.
"""
env_name = name.upper().replace('-', '_')
return config(env_name, default=str(settings.DEV), parser=bool, namespace='SWITCH')
def switch(name):
"""A template helper that replaces waffle
* All calls default to True when DEV setting is True.
* If the env var is explicitly false it will be false even when DEV = True.
* Otherwise the call is False by default and True is a specific env var exists and is truthy.
For example:
{% if switch('dude-and-walter') %}
would check for an environment variable called `SWITCH_DUDE_AND_WALTER`. The string from the
`switch()` call is converted to uppercase and dashes replaced with underscores.
"""
env_name = name.upper().replace('-', '_')
return config(env_name,
default=str(settings.DEV),
parser=bool,
namespace='SWITCH')
