Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.10/site-packages/django/template/autoreload.py: 29%

1from pathlib import Path 

2 

3from django.dispatch import receiver 

4from django.template import engines 

5from django.template.backends.django import DjangoTemplates 

6from django.utils._os import to_path 

7from django.utils.autoreload import autoreload_started, file_changed, is_django_path 

8 

9 

10def get_template_directories(): 

11 # Iterate through each template backend and find 

12 # any template_loader that has a 'get_dirs' method. 

13 # Collect the directories, filtering out Django templates. 

14 cwd = Path.cwd() 

15 items = set() 

16 for backend in engines.all(): 

17 if not isinstance(backend, DjangoTemplates): 

18 continue 

19 

20 items.update(cwd / to_path(dir) for dir in backend.engine.dirs if dir) 

21 

22 for loader in backend.engine.template_loaders: 

23 if not hasattr(loader, "get_dirs"): 

24 continue 

25 items.update( 

26 cwd / to_path(directory) 

27 for directory in loader.get_dirs() 

28 if directory and not is_django_path(directory) 

29 ) 

30 return items 

31 

32 

33def reset_loaders(): 

34 from django.forms.renderers import get_default_renderer 

35 

36 for backend in engines.all(): 

37 if not isinstance(backend, DjangoTemplates): 

38 continue 

39 for loader in backend.engine.template_loaders: 

40 loader.reset() 

41 

42 backend = getattr(get_default_renderer(), "engine", None) 

43 if isinstance(backend, DjangoTemplates): 

44 for loader in backend.engine.template_loaders: 

45 loader.reset() 

46 

47 

48@receiver(autoreload_started, dispatch_uid="template_loaders_watch_changes") 

49def watch_for_template_changes(sender, **kwargs): 

50 for directory in get_template_directories(): 

51 sender.watch_dir(directory, "**/*") 

52 

53 

54@receiver(file_changed, dispatch_uid="template_loaders_file_changed") 

55def template_changed(sender, file_path, **kwargs): 

56 if file_path.suffix == ".py": 

57 return 

58 for template_dir in get_template_directories(): 

59 if template_dir in file_path.parents: 

60 reset_loaders() 

61 return True