• 1.11
  • dev
  • Documentation version: 1.10

Kod źródłowy modułu django.template.loader

from django.utils import six
from django.utils.deprecation import (
    DeprecationInstanceCheck, RemovedInDjango20Warning,
)

from . import engines
from .base import Origin
from .exceptions import TemplateDoesNotExist


[dokumenty]def get_template(template_name, using=None): """ Loads and returns a template for the given name. Raises TemplateDoesNotExist if no such template exists. """ chain = [] engines = _engine_list(using) for engine in engines: try: return engine.get_template(template_name) except TemplateDoesNotExist as e: chain.append(e) raise TemplateDoesNotExist(template_name, chain=chain)
[dokumenty]def select_template(template_name_list, using=None): """ Loads and returns a template for one of the given names. Tries names in order and returns the first template found. Raises TemplateDoesNotExist if no such template exists. """ if isinstance(template_name_list, six.string_types): raise TypeError( 'select_template() takes an iterable of template names but got a ' 'string: %r. Use get_template() if you want to load a single ' 'template by name.' % template_name_list ) chain = [] engines = _engine_list(using) for template_name in template_name_list: for engine in engines: try: return engine.get_template(template_name) except TemplateDoesNotExist as e: chain.append(e) if template_name_list: raise TemplateDoesNotExist(', '.join(template_name_list), chain=chain) else: raise TemplateDoesNotExist("No template names provided")
[dokumenty]def render_to_string(template_name, context=None, request=None, using=None): """ Loads a template and renders it with a context. Returns a string. template_name may be a string or a list of strings. """ if isinstance(template_name, (list, tuple)): template = select_template(template_name, using=using) else: template = get_template(template_name, using=using) return template.render(context, request)
def _engine_list(using=None): return engines.all() if using is None else [engines[using]] class LoaderOrigin(six.with_metaclass(DeprecationInstanceCheck, Origin)): alternative = 'django.template.Origin' deprecation_warning = RemovedInDjango20Warning
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