Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/django/forms/renderers.py: 81%

1import functools 

2from pathlib import Path 

3 

4from django.conf import settings 

5from django.template.backends.django import DjangoTemplates 

6from django.template.loader import get_template 

7from django.utils.functional import cached_property 

8from django.utils.module_loading import import_string 

9 

10 

11@functools.lru_cache() 

12def get_default_renderer(): 

13 renderer_class = import_string(settings.FORM_RENDERER) 

14 return renderer_class() 

15 

16 

17class BaseRenderer: 

18 def get_template(self, template_name): 

19 raise NotImplementedError("subclasses must implement get_template()") 

20 

21 def render(self, template_name, context, request=None): 

22 template = self.get_template(template_name) 

23 return template.render(context, request=request).strip() 

24 

25 

26class EngineMixin: 

27 def get_template(self, template_name): 

28 return self.engine.get_template(template_name) 

29 

30 @cached_property 

31 def engine(self): 

32 return self.backend( 

33 { 

34 "APP_DIRS": True, 

35 "DIRS": [Path(__file__).parent / self.backend.app_dirname], 

36 "NAME": "djangoforms", 

37 "OPTIONS": {}, 

38 } 

39 ) 

40 

41 

42class DjangoTemplates(EngineMixin, BaseRenderer): 

43 """ 

44 Load Django templates from the built-in widget templates in 

45 django/forms/templates and from apps' 'templates' directory. 

46 """ 

47 

48 backend = DjangoTemplates 

49 

50 

51class Jinja2(EngineMixin, BaseRenderer): 

52 """ 

53 Load Jinja2 templates from the built-in widget templates in 

54 django/forms/jinja2 and from apps' 'jinja2' directory. 

55 """ 

56 

57 @cached_property 

58 def backend(self): 

59 from django.template.backends.jinja2 import Jinja2 

60 

61 return Jinja2 

62 

63 

64class TemplatesSetting(BaseRenderer): 

65 """ 

66 Load templates using template.loader.get_template() which is configured 

67 based on settings.TEMPLATES. 

68 """ 

69 

70 def get_template(self, template_name): 

71 return get_template(template_name)