def handle_token(cls, parser, token):
"""
Class method to parse prefix node and return a Node.
"""
bits = token.split_contents()
if len(bits) < 2:
raise template.TemplateSyntaxError(
"'%s' takes at least one argument (path to file)" % bits[0])
path = parser.compile_filter(bits[1])
if len(bits) >= 2 and bits[-2] == 'as':
varname = bits[3]
else:
varname = None
return cls(varname, path)
python类Node()的实例源码
def handle_token(cls, parser, token):
"""
Class method to parse prefix node and return a Node.
"""
bits = token.split_contents()
if len(bits) < 2:
raise template.TemplateSyntaxError(
"'%s' takes at least one argument (path to file)" % bits[0])
path = parser.compile_filter(bits[1])
if len(bits) >= 2 and bits[-2] == 'as':
varname = bits[3]
else:
varname = None
return cls(varname, path)
def handle_token(cls, parser, token):
"""
Class method to parse prefix node and return a Node.
"""
bits = token.split_contents()
if len(bits) < 2:
raise template.TemplateSyntaxError(
"'%s' takes at least one argument (path to file)" % bits[0])
path = parser.compile_filter(bits[1])
if len(bits) >= 2 and bits[-2] == 'as':
varname = bits[3]
else:
varname = None
return cls(varname, path)
def handle_token(cls, parser, token):
"""Class method to parse render_comment_form and return a Node."""
tokens = token.split_contents()
if tokens[1] != 'for':
raise template.TemplateSyntaxError("Second argument in %r tag must be 'for'" % tokens[0])
# {% render_comment_form for obj %}
if len(tokens) == 3:
return cls(object_expr=parser.compile_filter(tokens[2]))
# {% render_comment_form for app.models pk %}
elif len(tokens) == 4:
return cls(
ctype = BaseCommentNode.lookup_content_type(tokens[2], tokens[0]),
object_pk_expr = parser.compile_filter(tokens[3])
)
def handle_token(cls, parser, token):
"""Class method to parse render_comment_list and return a Node."""
tokens = token.split_contents()
if tokens[1] != 'for':
raise template.TemplateSyntaxError("Second argument in %r tag must be 'for'" % tokens[0])
# {% render_comment_list for obj %}
if len(tokens) == 3:
return cls(object_expr=parser.compile_filter(tokens[2]))
# {% render_comment_list for app.models pk %}
elif len(tokens) == 4:
return cls(
ctype = BaseCommentNode.lookup_content_type(tokens[2], tokens[0]),
object_pk_expr = parser.compile_filter(tokens[3])
)
def handle_token(cls, parser, token):
"""
Class method to parse and return a Node.
"""
bits = token.split_contents()
args_count = len(bits) - 1
if args_count >= 2 and bits[-2] == 'as':
as_var = bits[-1]
args_count -= 2
else:
as_var = None
if args_count != cls.args_count:
arg_list = ' '.join(['[arg]' * cls.args_count])
raise TemplateSyntaxError("Accepted formats {%% %(tagname)s "
"%(args)s %%} or {%% %(tagname)s %(args)s as [var] %%}" %
{'tagname': bits[0], 'args': arg_list})
args = [parser.compile_filter(token) for token in
bits[1:args_count + 1]]
return cls(args, varname=as_var)
def handle_token(cls, parser, token):
"""
Class method to parse prefix node and return a Node.
"""
bits = token.split_contents()
if len(bits) < 2:
raise template.TemplateSyntaxError(
"'%s' takes at least one argument (path to file)" % bits[0])
path = parser.compile_filter(bits[1])
if len(bits) >= 2 and bits[-2] == 'as':
varname = bits[3]
else:
varname = None
return cls(varname, path)
def handle_token(cls, parser, token):
"""
Class method to parse prefix node and return a Node.
"""
bits = token.split_contents()
if len(bits) < 2:
raise template.TemplateSyntaxError(
"'%s' takes at least one argument (path to file)" % bits[0])
path = parser.compile_filter(bits[1])
if len(bits) >= 2 and bits[-2] == 'as':
varname = bits[3]
else:
varname = None
return cls(varname, path)
def __repr__(self):
return "<GetAdminLog Node>"
def handle_token(cls, parser, token, name):
"""
Class method to parse prefix node and return a Node.
"""
# token.split_contents() isn't useful here because tags using this method don't accept variable as arguments
tokens = token.contents.split()
if len(tokens) > 1 and tokens[1] != 'as':
raise template.TemplateSyntaxError(
"First argument in '%s' must be 'as'" % tokens[0])
if len(tokens) > 1:
varname = tokens[2]
else:
varname = None
return cls(varname, name)
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def urlcompass_step(parser, token):
"""returns object of __UrlCompassStepNode subclass of django template node object
This functions assumes urlcompass_show is already used in the template.
hence, it access session data sets maintained by urlcompass_show:
:param parser: django parser object
:param token: django token object
:returns: __UrlCompassStepNode
:rtype: django_template.Node
:Example:
{% urlcompass_step <view> %}
"""
# analyse toekn for start and wep overrides
parts=token.split_contents()
if len(parts) != 1:
raise django_template.TemplateSyntaxError("'urlcompass_step' accepts one and only one argument: {% url_compass_step <view> %}")
view=parts[0].strip()
return __UrlCompassStepNode(view)
def get_stack_calls():
stack = []
currentframe = inspect.currentframe()
if currentframe is None:
return stack
try:
stackframes = inspect.getouterframes(currentframe)
except IndexError:
# ???????? ?????? Jinja2
stackframes = traceback.extract_stack()
for record in stackframes[2:]:
filename, lineno, funcname, line = record
if filename.startswith(BASE_PATTERN) and 'devserver' not in filename:
filename = filename[len(BASE_PATTERN):]
caller = '%s (func %r, line %s)' % (filename, funcname, lineno)
stack.append(caller)
else:
for record in stackframes[2:]:
frame, filename, lineno, funcname, lines, index = record
if filename in (TEMPLATE_BASE, TEMPLATE_DEBUG):
# ????? ?? ???????
node = frame.f_locals.get('node') or frame.f_locals.get('self')
if isinstance(node, Node):
loader = node.source[0]
offsets = node.source[1]
with open(loader.name, newline='') as source:
start = source.read(offsets[0])
line_num = start.count('\n') + 1
token = source.read(offsets[1] - offsets[0])
caller = '%s (node %r, line %s)' % (loader.loadname, token, line_num)
stack.append(caller)
break
elif filename.startswith(BASE_PATTERN) and 'devserver' not in filename:
# ????? ?? ????
filename = filename[len(BASE_PATTERN):]
caller = '%s (func %r, line %s)' % (filename, funcname, lineno)
stack.append(caller)
return reversed(stack)
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def handle_token(cls, parser, token, name):
"""
Class method to parse prefix node and return a Node.
"""
# token.split_contents() isn't useful here because tags using this method don't accept variable as arguments
tokens = token.contents.split()
if len(tokens) > 1 and tokens[1] != 'as':
raise template.TemplateSyntaxError(
"First argument in '%s' must be 'as'" % tokens[0])
if len(tokens) > 1:
varname = tokens[2]
else:
varname = None
return cls(varname, name)
def __repr__(self):
return "<GetAssigedToUser Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def __repr__(self):
return "<GetAdminLog Node>"
def pagenav(page_obj, is_paginated, paginator):
# Display page navigation for given list of objects
return {
'page_obj': page_obj,
'is_paginated': is_paginated,
'paginator': paginator
}
#@register.tag
#def pagenav(parser, token):
## This version uses a regular expression to parse tag contents.
#try:
## Splitting by None == splitting by spaces.
#tag_name, page_obj, is_paginated, paginator = token.contents.split()
#except ValueError:
#raise template.TemplateSyntaxError(
#"%r tag requires 3 arguments" % token.contents.split()[0]
#)
#return PagenavNode(page_obj, is_paginated, paginator)
#class PagenavNode(template.Node):
#def __init__(self, page_obj, is_paginated, paginator):
#self.page_obj = template.Variable(page_obj)
#self.is_paginated = template.Variable(is_paginated)
#self.paginator = template.Variable(paginator)
#def render(self, context):
#t = context.template.engine.get_template('students/pagination.html')
#context['navigation'] = t.render(template.Context({
#'page_obj': self.page_obj.resolve(context),
#'is_paginated': self.is_paginated.resolve(context),
#'paginator': self.paginator.resolve(context)}
#))
#return ''
def __repr__(self):
return "<GetAdminLog Node>"
