refactor: Rename and move app_filters.py.

Moved the code in zerver/templatetags/app_filters.py
to more intuitive location and name at
zerver/lib/templates.py.

tools/test-backend

@@ -98,7 +98,7 @@ not_yet_fully_covered = [
     "zerver/lib/unminify.py",
     "zerver/lib/utils.py",
     "zerver/lib/zephyr.py",
-    "zerver/templatetags/app_filters.py",
+    "zerver/lib/templates.py",
     "zerver/templatetags/minified_js.py",
     # Low priority for coverage
     "zerver/lib/ccache.py",

zerver/lib/send_email.py

@@ -482,7 +482,7 @@ def send_custom_email(users: List[UserProfile], options: Dict[str, Any]) -> None
     with open(plain_text_template_path, "w") as f:
         f.write(parsed_email_template.get_payload())
 
-    from zerver.templatetags.app_filters import render_markdown_path
+    from zerver.lib.templates import render_markdown_path
 
     rendered_input = render_markdown_path(plain_text_template_path.replace("templates/", ""))
 

zerver/views/documentation.py

@@ -14,9 +14,9 @@ from zerver.decorator import add_google_analytics_context
 from zerver.lib.integrations import CATEGORIES, INTEGRATIONS, HubotIntegration, WebhookIntegration
 from zerver.lib.request import REQ, has_request_variables
 from zerver.lib.subdomains import get_subdomain
+from zerver.lib.templates import render_markdown_path
 from zerver.models import Realm
 from zerver.openapi.openapi import get_endpoint_from_operationid, get_openapi_summary
-from zerver.templatetags.app_filters import render_markdown_path
 
 
 def add_api_uri_context(context: Dict[str, Any], request: HttpRequest) -> None:

zproject/jinja2/__init__.py

@@ -10,7 +10,7 @@ from jinja2 import Environment
 from two_factor.templatetags.two_factor import device_action
 
 from zerver.context_processors import DEFAULT_PAGE_PARAMS
-from zerver.templatetags.app_filters import display_list, render_markdown_path, webpack_entry
+from zerver.lib.templates import display_list, render_markdown_path, webpack_entry
 
 
 def json_dumps(obj: object) -> str: