76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
import copy
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from collections import defaultdict
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from django.conf import settings
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from django.template.backends.django import get_template_tag_modules
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from . import Error, Tags, register
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E001 = Error(
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"You have 'APP_DIRS': True in your TEMPLATES but also specify 'loaders' "
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"in OPTIONS. Either remove APP_DIRS or remove the 'loaders' option.",
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id="templates.E001",
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)
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E002 = Error(
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"'string_if_invalid' in TEMPLATES OPTIONS must be a string but got: {} ({}).",
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id="templates.E002",
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)
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E003 = Error(
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"{} is used for multiple template tag modules: {}",
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id="templates.E003",
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)
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@register(Tags.templates)
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def check_setting_app_dirs_loaders(app_configs, **kwargs):
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return (
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[E001]
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if any(
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conf.get("APP_DIRS") and "loaders" in conf.get("OPTIONS", {})
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for conf in settings.TEMPLATES
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)
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else []
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)
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@register(Tags.templates)
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def check_string_if_invalid_is_string(app_configs, **kwargs):
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errors = []
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for conf in settings.TEMPLATES:
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string_if_invalid = conf.get("OPTIONS", {}).get("string_if_invalid", "")
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if not isinstance(string_if_invalid, str):
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error = copy.copy(E002)
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error.msg = error.msg.format(
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string_if_invalid, type(string_if_invalid).__name__
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)
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errors.append(error)
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return errors
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@register(Tags.templates)
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def check_for_template_tags_with_the_same_name(app_configs, **kwargs):
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errors = []
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libraries = defaultdict(set)
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for conf in settings.TEMPLATES:
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custom_libraries = conf.get("OPTIONS", {}).get("libraries", {})
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for module_name, module_path in custom_libraries.items():
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libraries[module_name].add(module_path)
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for module_name, module_path in get_template_tag_modules():
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libraries[module_name].add(module_path)
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for library_name, items in libraries.items():
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if len(items) > 1:
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errors.append(
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Error(
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E003.msg.format(
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repr(library_name),
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", ".join(repr(item) for item in sorted(items)),
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),
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id=E003.id,
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)
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)
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return errors
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