def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
python类TEMPLATE_STRING_IF_INVALID的实例源码
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def get_attribute(value, arg, return_as_string=True):
"""
Gets an attribute of an object dynamically from a string name
"""
numeric_test = re.compile("^\d+$")
if hasattr(value, '__iter__') and arg in value:
value = value[arg]
elif hasattr(value, str(arg)):
value = getattr(value, arg)
elif numeric_test.match(str(arg)) and len(value) > int(arg):
value = value[int(arg)]
else:
return settings.TEMPLATE_STRING_IF_INVALID
if hasattr(value, '__call__'):
value = value()
if return_as_string:
value = mark_safe(value)
return value
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def render(self, context):
try:
if '.' in self.field_var:
base, field_name = self.field_var.rsplit('.', 1)
field = getattr(Variable(base).resolve(context), field_name)
else:
field = context[self.field_var]
except (template.VariableDoesNotExist, KeyError, AttributeError):
return settings.TEMPLATE_STRING_IF_INVALID
h_attrs = {}
for k, v in iteritems(self.html_attrs):
try:
h_attrs[k] = v.resolve(context)
except template.VariableDoesNotExist:
h_attrs[k] = settings.TEMPLATE_STRING_IF_INVALID
return field(**h_attrs)
def lookup(dictionary, key):
"""
Utility template filter, as Django forbids argument passing in templates. Used for filtering
out values, e.g. for metadata, of list has EDDObject items and type is a MetadataType:
{%% for obj in list %%}
{{ obj.metadata|lookup:type }}
{%% endfor %%}
"""
return dictionary.get(key, settings.TEMPLATE_STRING_IF_INVALID)
def templates(self):
if self._templates is None:
self._templates = settings.TEMPLATES
if not self._templates:
warnings.warn(
"You haven't defined a TEMPLATES setting. You must do so "
"before upgrading to Django 1.10. Otherwise Django will be "
"unable to load templates.", RemovedInDjango110Warning)
self._templates = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': settings.TEMPLATE_DIRS,
'OPTIONS': {
'allowed_include_roots': settings.ALLOWED_INCLUDE_ROOTS,
'context_processors': settings.TEMPLATE_CONTEXT_PROCESSORS,
'debug': settings.TEMPLATE_DEBUG,
'loaders': settings.TEMPLATE_LOADERS,
'string_if_invalid': settings.TEMPLATE_STRING_IF_INVALID,
},
},
]
templates = OrderedDict()
backend_names = []
for tpl in self._templates:
tpl = tpl.copy()
try:
# This will raise an exception if 'BACKEND' doesn't exist or
# isn't a string containing at least one dot.
default_name = tpl['BACKEND'].rsplit('.', 2)[-2]
except Exception:
invalid_backend = tpl.get('BACKEND', '<not defined>')
raise ImproperlyConfigured(
"Invalid BACKEND for a template engine: {}. Check "
"your TEMPLATES setting.".format(invalid_backend))
tpl.setdefault('NAME', default_name)
tpl.setdefault('DIRS', [])
tpl.setdefault('APP_DIRS', False)
tpl.setdefault('OPTIONS', {})
templates[tpl['NAME']] = tpl
backend_names.append(tpl['NAME'])
counts = Counter(backend_names)
duplicates = [alias for alias, count in counts.most_common() if count > 1]
if duplicates:
raise ImproperlyConfigured(
"Template engine aliases aren't unique, duplicates: {}. "
"Set a unique NAME for each engine in settings.TEMPLATES."
.format(", ".join(duplicates)))
return templates
def templates(self):
if self._templates is None:
self._templates = settings.TEMPLATES
if not self._templates:
warnings.warn(
"You haven't defined a TEMPLATES setting. You must do so "
"before upgrading to Django 1.10. Otherwise Django will be "
"unable to load templates.", RemovedInDjango110Warning)
self._templates = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': settings.TEMPLATE_DIRS,
'OPTIONS': {
'allowed_include_roots': settings.ALLOWED_INCLUDE_ROOTS,
'context_processors': settings.TEMPLATE_CONTEXT_PROCESSORS,
'debug': settings.TEMPLATE_DEBUG,
'loaders': settings.TEMPLATE_LOADERS,
'string_if_invalid': settings.TEMPLATE_STRING_IF_INVALID,
},
},
]
templates = OrderedDict()
backend_names = []
for tpl in self._templates:
tpl = tpl.copy()
try:
# This will raise an exception if 'BACKEND' doesn't exist or
# isn't a string containing at least one dot.
default_name = tpl['BACKEND'].rsplit('.', 2)[-2]
except Exception:
invalid_backend = tpl.get('BACKEND', '<not defined>')
raise ImproperlyConfigured(
"Invalid BACKEND for a template engine: {}. Check "
"your TEMPLATES setting.".format(invalid_backend))
tpl.setdefault('NAME', default_name)
tpl.setdefault('DIRS', [])
tpl.setdefault('APP_DIRS', False)
tpl.setdefault('OPTIONS', {})
templates[tpl['NAME']] = tpl
backend_names.append(tpl['NAME'])
counts = Counter(backend_names)
duplicates = [alias for alias, count in counts.most_common() if count > 1]
if duplicates:
raise ImproperlyConfigured(
"Template engine aliases aren't unique, duplicates: {}. "
"Set a unique NAME for each engine in settings.TEMPLATES."
.format(", ".join(duplicates)))
return templates
def templates(self):
if self._templates is None:
self._templates = settings.TEMPLATES
if not self._templates:
warnings.warn(
"You haven't defined a TEMPLATES setting. You must do so "
"before upgrading to Django 1.10. Otherwise Django will be "
"unable to load templates.", RemovedInDjango110Warning)
self._templates = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': settings.TEMPLATE_DIRS,
'OPTIONS': {
'allowed_include_roots': settings.ALLOWED_INCLUDE_ROOTS,
'context_processors': settings.TEMPLATE_CONTEXT_PROCESSORS,
'debug': settings.TEMPLATE_DEBUG,
'loaders': settings.TEMPLATE_LOADERS,
'string_if_invalid': settings.TEMPLATE_STRING_IF_INVALID,
},
},
]
templates = OrderedDict()
backend_names = []
for tpl in self._templates:
tpl = tpl.copy()
try:
# This will raise an exception if 'BACKEND' doesn't exist or
# isn't a string containing at least one dot.
default_name = tpl['BACKEND'].rsplit('.', 2)[-2]
except Exception:
invalid_backend = tpl.get('BACKEND', '<not defined>')
raise ImproperlyConfigured(
"Invalid BACKEND for a template engine: {}. Check "
"your TEMPLATES setting.".format(invalid_backend))
tpl.setdefault('NAME', default_name)
tpl.setdefault('DIRS', [])
tpl.setdefault('APP_DIRS', False)
tpl.setdefault('OPTIONS', {})
templates[tpl['NAME']] = tpl
backend_names.append(tpl['NAME'])
counts = Counter(backend_names)
duplicates = [alias for alias, count in counts.most_common() if count > 1]
if duplicates:
raise ImproperlyConfigured(
"Template engine aliases aren't unique, duplicates: {}. "
"Set a unique NAME for each engine in settings.TEMPLATES."
.format(", ".join(duplicates)))
return templates
def templates(self):
if self._templates is None:
self._templates = settings.TEMPLATES
if not self._templates:
warnings.warn(
"You haven't defined a TEMPLATES setting. You must do so "
"before upgrading to Django 2.0. Otherwise Django will be "
"unable to load templates.", RemovedInDjango20Warning)
self._templates = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': settings.TEMPLATE_DIRS,
'OPTIONS': {
'allowed_include_roots': settings.ALLOWED_INCLUDE_ROOTS,
'context_processors': settings.TEMPLATE_CONTEXT_PROCESSORS,
'debug': settings.TEMPLATE_DEBUG,
'loaders': settings.TEMPLATE_LOADERS,
'string_if_invalid': settings.TEMPLATE_STRING_IF_INVALID,
},
},
]
templates = OrderedDict()
backend_names = []
for tpl in self._templates:
tpl = tpl.copy()
try:
# This will raise an exception if 'BACKEND' doesn't exist or
# isn't a string containing at least one dot.
default_name = tpl['BACKEND'].rsplit('.', 2)[-2]
except Exception:
invalid_backend = tpl.get('BACKEND', '<not defined>')
raise ImproperlyConfigured(
"Invalid BACKEND for a template engine: {}. Check "
"your TEMPLATES setting.".format(invalid_backend))
tpl.setdefault('NAME', default_name)
tpl.setdefault('DIRS', [])
tpl.setdefault('APP_DIRS', False)
tpl.setdefault('OPTIONS', {})
templates[tpl['NAME']] = tpl
backend_names.append(tpl['NAME'])
counts = Counter(backend_names)
duplicates = [alias for alias, count in counts.most_common() if count > 1]
if duplicates:
raise ImproperlyConfigured(
"Template engine aliases aren't unique, duplicates: {}. "
"Set a unique NAME for each engine in settings.TEMPLATES."
.format(", ".join(duplicates)))
return templates
