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aurweb.templates: loader -> _loader, env -> _env

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These are module local globals and we don't want to expose
global functionality to users, so privatize them with a
leading `_` prefix.

These things should **really** not be accessible by users.
This commit is contained in:
Kevin Morris 2021-08-30 22:14:31 -07:00
parent 55c29c4519
commit 718ae1acba
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1 changed files with 19 additions and 19 deletions
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36
aurweb/templates.py
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@ -18,29 +18,29 @@ import aurweb.config
from aurweb import captcha, l10n, time, util
# Prepare jinja2 objects.
loader = jinja2.FileSystemLoader(os.path.join(
_loader = jinja2.FileSystemLoader(os.path.join(
aurweb.config.get("options", "aurwebdir"), "templates"))
env = jinja2.Environment(loader=loader, autoescape=True,
_env = jinja2.Environment(loader=_loader, autoescape=True,
extensions=["jinja2.ext.i18n"])
# Add t{r,n} translation filters.
env.filters["tr"] = l10n.tr
env.filters["tn"] = l10n.tn
_env.filters["tr"] = l10n.tr
_env.filters["tn"] = l10n.tn
# Utility filters.
env.filters["dt"] = util.timestamp_to_datetime
env.filters["as_timezone"] = util.as_timezone
env.filters["dedupe_qs"] = util.dedupe_qs
env.filters["urlencode"] = quote_plus
env.filters["get_vote"] = util.get_vote
env.filters["number_format"] = util.number_format
_env.filters["dt"] = util.timestamp_to_datetime
_env.filters["as_timezone"] = util.as_timezone
_env.filters["dedupe_qs"] = util.dedupe_qs
_env.filters["urlencode"] = quote_plus
_env.filters["get_vote"] = util.get_vote
_env.filters["number_format"] = util.number_format
# Add captcha filters.
env.filters["captcha_salt"] = captcha.captcha_salt_filter
env.filters["captcha_cmdline"] = captcha.captcha_cmdline_filter
_env.filters["captcha_salt"] = captcha.captcha_salt_filter
_env.filters["captcha_cmdline"] = captcha.captcha_cmdline_filter
# Add account utility filters.
env.filters["account_url"] = util.account_url
_env.filters["account_url"] = util.account_url
def register_filter(name: str) -> Callable:
@ -61,9 +61,9 @@ def register_filter(name: str) -> Callable:
@functools.wraps(func)
def wrapper(*args, **kwargs):
return func(*args, **kwargs)
if name in env.filters:
if name in _env.filters:
raise KeyError(f"Jinja already has a filter named '{name}'")
env.filters[name] = wrapper
_env.filters[name] = wrapper
return wrapper
return decorator
@ -105,12 +105,12 @@ def render_template(request: Request,
status_code: HTTPStatus = HTTPStatus.OK):
""" Render a Jinja2 multi-lingual template with some context. """
# Create a deep copy of our jinja2 environment. The environment in
# Create a deep copy of our jinja2 _environment. The _environment in
# total by itself is 48 bytes large (according to sys.getsizeof).
# This is done so we can install gettext translations on the template
# environment being rendered without installing them into a global
# _environment being rendered without installing them into a global
# which is reused in this function.
templates = copy.copy(env)
templates = copy.copy(_env)
translator = l10n.get_raw_translator_for_request(context.get("request"))
templates.install_gettext_translations(translator)