def __init__(self, environment):
Extension.__init__(self, environment)
environment.extend(
default_form_action="",
error_renderers={},
value_dict_name="form_vars",
error_dict_name="form_errors",
form_name_key=None,
form_ctx_key=None,
)
self.form = StubForm()
class JinjaPump(Extension):
# a set of names that trigger the extension.
tags = set(
[
"checkbox",
"email",
"error",
"file",
"form",
"form_ctx",
"hidden",
"iferror",
"ifnoterror",
"label",
"password",
"quickselect",
"radio",
"submit",
"text",
"textarea",
]
)
def __init__(self, environment):
Extension.__init__(self, environment)
environment.extend(
default_form_action="",
error_renderers={},
value_dict_name="form_vars",
error_dict_name="form_errors",
form_name_key=None,
form_ctx_key=None,
)
self.form = StubForm()
def _form_vars_node(self):
return nodes.Or(nodes.Name(self.environment.value_dict_name, "load"), nodes.Dict([]))
def _form_errors_node(self):
return nodes.Or(nodes.Name(self.environment.error_dict_name, "load"), nodes.Dict([]))
def parse(self, parser):
tag = parser.stream.next()
if tag.value == "form":
return self._form(parser, tag)
elif tag.value == "form_ctx":
return self._form_ctx(parser, tag)
elif tag.value in ("email", "file", "hidden", "password", "text"):
return self._input(parser, tag)
elif tag.value == "checkbox":
return self._check(parser, tag)
elif tag.value == "iferror":
return self._iferror(parser, tag)
elif tag.value == "ifnoterror":
return self._ifnoterror(parser, tag)
elif tag.value == "radio":
return self._radio(parser, tag)
elif tag.value == "submit":
return self._submit(parser, tag)
elif tag.value == "label":
return self._label(parser, tag)
elif tag.value == "quickselect":
return self._quick_select(parser, tag)
elif tag.value == "textarea":
return self._text_area(parser, tag)
elif tag.value == "error":
return self._field_error(parser)
def _parse_attrs(self, parser, add_id=True):
name = None
if parser.stream.current.test("string"):
name = parser.parse_expression(with_condexpr=False)
attrs = {}
while parser.stream.current.type != "block_end":
node = parser.parse_assign_target(with_tuple=False)
if parser.stream.skip_if("assign"):
attrs[node.name] = parser.parse_expression()
else:
attrs[node.name] = nodes.Const(node.name)
return (name, attrs)
def _form(self, parser, tag):
form_name, attrs = self._parse_attrs(parser)
form_name = form_name or nodes.Const(None)
body = parser.parse_statements(["name:endform"], drop_needle=True)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return [
nodes.CallBlock(
self.call_method(
"_form_block", args=[form_name, attrs, self._form_vars_node(), self._form_errors_node()]
),
[],
[],
body,
).set_lineno(tag.lineno)
]
def _form_block(self, form_name, attrs, form_vars, form_errors, caller):
form = Form(
form_name,
self.environment.form_name_key,
self.environment.form_ctx_key,
attrs,
self.environment.default_form_action,
form_vars,
form_errors,
)
form, self.form = self.form, form
ret = caller()
form, self.form = self.form, form
return form.start_tag() + ret + form.end_tag()
def _form_ctx(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs["name"] = name
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return nodes.Output([self.call_method("_switch_form_ctx", args=[attrs])])
def _switch_form_ctx(self, attrs):
return self.form.context_tag(attrs)
def _input(self, parser, tag, method_name="input_tag"):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs["name"] = name
attrs["type"] = nodes.Const(tag.value)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return nodes.Output([self.call_method(method_name, args=[attrs])])
def input_tag(self, attrs):
return self.form.input_tag(attrs)
def _check(self, parser, tag):
return self._input(parser, tag, method_name="checkbox_tag")
def checkbox_tag(self, attrs):
return self.form.checkbox_tag(attrs)
def _radio(self, parser, tag):
return self._input(parser, tag, method_name="radio_tag")
def radio_tag(self, attrs):
return self.form.radio_tag(attrs)
def _iferror(self, parser, tag):
name, attrs = self._parse_attrs(parser)
name = name or attrs.get("name", None)
if name is None:
raise ValueError("First argument of iferror tag must be a string")
node = nodes.If()
node.test = self.call_method("_iferror_block", args=[name])
node.body = parser.parse_statements(("name:else", "name:endiferror"))
token = next(parser.stream)
if token.test("name:else"):
node.else_ = parser.parse_statements(("name:endiferror",), drop_needle=True)
else:
node.else_ = []
return [node]
def _iferror_block(self, name):
return self.form.if_error(name)
def _ifnoterror(self, parser, tag):
name, attrs = self._parse_attrs(parser)
name = name or attrs.get("name", None)
if name is None:
raise ValueError("First argument of ifnoterror tag must be a string")
node = nodes.If()
node.test = self.call_method("_ifnoterror_block", args=[name])
node.body = parser.parse_statements(("name:else", "name:endifnoterror"))
token = next(parser.stream)
if token.test("name:else"):
node.else_ = parser.parse_statements(("name:endifnoterror",), drop_needle=True)
else:
node.else_ = []
return [node]
def _ifnoterror_block(self, name):
return self.form.if_not_error(name)
def _submit(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs["value"] = name
attrs["type"] = nodes.Const(tag.value)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return nodes.Output([self.call_method("input_tag", args=[attrs])])
def _label(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs["name"] = name
body = parser.parse_statements(["name:endlabel"], drop_needle=True)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return [nodes.CallBlock(self.call_method("_label_block", args=[attrs]), [], [], body).set_lineno(tag.lineno)]
def _label_block(self, attrs, caller):
return self.form.label_tag(attrs) + caller() + self.form.end_label_tag()
def _quick_select(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs["name"] = name
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return [nodes.Output([self.call_method("quick_select_tag", args=[attrs])])]
def quick_select_tag(self, attrs):
return self.form.quick_select_tag(attrs)
def _text_area(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs["name"] = name
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return [nodes.Output([self.call_method("text_area_tag", args=[attrs])])]
def text_area_tag(self, attrs):
return self.form.textarea_tag(attrs)
def _field_error(self, parser):
name, attrs = self._parse_attrs(parser)
name = name or attrs.get("name", None)
if name is None:
raise ValueError("First argument of error tag must be a string")
attrs.setdefault("render", nodes.Const("default"))
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k, v in attrs.items()])
return nodes.Output([self.call_method("field_error_tag", args=[name, attrs])])
def field_error_tag(self, name, attrs):
return self.form.error_tag(name, attrs, self.environment.error_renderers)
class JinjaPump(Extension):
# a set of names that trigger the extension.
tags = set(['checkbox', 'email', 'error', 'file', 'form', 'form_ctx', 'hidden', 'iferror', 'ifnoterror', 'label', 'password', 'quickselect', 'radio', 'submit', 'text', 'textarea'])
def __init__(self, environment):
Extension.__init__(self, environment)
environment.extend(
default_form_action = '',
error_renderers = {},
value_dict_name = 'form_vars',
error_dict_name = 'form_errors',
form_name_key = None,
form_ctx_key = None,
)
self.form = StubForm()
def _form_vars_node(self):
return nodes.Or(nodes.Name(self.environment.value_dict_name, 'load'), nodes.Dict([]))
def _form_errors_node(self):
return nodes.Or(nodes.Name(self.environment.error_dict_name, 'load'), nodes.Dict([]))
def parse(self, parser):
tag = parser.stream.next()
if tag.value == 'form':
return self._form(parser, tag)
elif tag.value == 'form_ctx':
return self._form_ctx(parser, tag)
elif tag.value in ( 'email', 'file', 'hidden', 'password', 'text'):
return self._input(parser, tag)
elif tag.value == 'checkbox':
return self._check(parser, tag)
elif tag.value == 'iferror':
return self._iferror(parser, tag)
elif tag.value == 'ifnoterror':
return self._ifnoterror(parser, tag)
elif tag.value == 'radio':
return self._radio(parser, tag)
elif tag.value == 'submit':
return self._submit(parser, tag)
elif tag.value == 'label':
return self._label(parser, tag)
elif tag.value == 'quickselect':
return self._quick_select(parser, tag)
elif tag.value == 'textarea':
return self._text_area(parser, tag)
elif tag.value == 'error':
return self._field_error(parser)
def _parse_attrs(self, parser, add_id=True):
name = None
if parser.stream.current.test('string'):
name = parser.parse_expression(with_condexpr=False)
attrs = {}
while parser.stream.current.type != 'block_end':
node = parser.parse_assign_target(with_tuple=False)
if parser.stream.skip_if('assign'):
attrs[node.name] = parser.parse_expression()
else:
attrs[node.name] = nodes.Const(node.name)
return (name, attrs)
def _form(self, parser, tag):
form_name, attrs = self._parse_attrs(parser)
form_name = form_name or nodes.Const(None)
body = parser.parse_statements(['name:endform'], drop_needle=True)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.CallBlock(
self.call_method('_form_block',
args=[form_name, attrs,
self._form_vars_node(),
self._form_errors_node()]),
[], [], body).set_lineno(tag.lineno)
def _form_block(self, form_name, attrs, form_vars, form_errors, caller):
form = Form(form_name,
self.environment.form_name_key,
self.environment.form_ctx_key,
attrs,
self.environment.default_form_action,
form_vars,
form_errors)
form, self.form = self.form, form
ret = caller()
form, self.form = self.form, form
return Markup(form.start_tag()) + ret + Markup(form.end_tag())
def _form_ctx(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs['name'] = name
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.Output([self.call_method('_switch_form_ctx', args=[attrs])])
def _switch_form_ctx(self, attrs):
return Markup(self.form.context_tag(attrs))
def _input(self, parser, tag, method_name='input_tag'):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs['name'] = name
attrs['type'] = nodes.Const(tag.value)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.Output([self.call_method(method_name, args=[attrs])])
def input_tag(self, attrs):
return Markup(self.form.input_tag(attrs))
def _check(self, parser, tag):
return self._input(parser, tag, method_name='checkbox_tag')
def checkbox_tag(self, attrs):
return Markup(self.form.checkbox_tag(attrs))
def _radio(self, parser, tag):
return self._input(parser, tag, method_name='radio_tag')
def radio_tag(self, attrs):
return Markup(self.form.radio_tag(attrs))
def _iferror(self, parser, tag):
name, attrs = self._parse_attrs(parser)
name = name or attrs.get('name', None)
if name is None:
raise ValueError('First argument of iferror tag must be a string')
node = nodes.If()
node.test = self.call_method('_iferror_block', args=[name])
node.body = parser.parse_statements(('name:else', 'name:endiferror'))
token = next(parser.stream)
if token.test('name:else'):
node.else_ = parser.parse_statements(('name:endiferror',), drop_needle=True)
else:
node.else_ = []
return [node]
def _iferror_block(self, name):
return self.form.if_error(name)
def _ifnoterror(self, parser, tag):
name, attrs = self._parse_attrs(parser)
name = name or attrs.get('name', None)
if name is None:
raise ValueError('First argument of ifnoterror tag must be a string')
node = nodes.If()
node.test = self.call_method('_ifnoterror_block', args=[name])
node.body = parser.parse_statements(('name:else', 'name:endifnoterror'))
token = next(parser.stream)
if token.test('name:else'):
node.else_ = parser.parse_statements(('name:endifnoterror',), drop_needle=True)
else:
node.else_ = []
return [node]
def _ifnoterror_block(self, name):
return self.form.if_not_error(name)
def _submit(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs['value'] = name
attrs['type'] = nodes.Const(tag.value)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.Output([self.call_method('input_tag', args=[attrs])])
def _label(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs['name'] = name
body = parser.parse_statements(['name:endlabel'], drop_needle=True)
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.CallBlock(self.call_method('_label_block', args=[attrs]),
[], [], body).set_lineno(tag.lineno)
def _label_block(self, attrs, caller):
return Markup(self.form.label_tag(attrs)) + caller() + Markup(self.form.end_label_tag())
def _quick_select(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs['name'] = name
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.Output([
self.call_method('quick_select_tag', args=[attrs])])
def quick_select_tag(self, attrs):
return Markup(self.form.quick_select_tag(attrs))
def _text_area(self, parser, tag):
name, attrs = self._parse_attrs(parser)
if name is not None:
attrs['name'] = name
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.Output([
self.call_method('text_area_tag', args=[attrs])])
def text_area_tag(self, attrs):
return Markup(self.form.textarea_tag(attrs))
def _field_error(self, parser):
name, attrs = self._parse_attrs(parser)
name = name or attrs.get('name', None)
if name is None:
raise ValueError('First argument of error tag must be a string')
attrs.setdefault('render', nodes.Const('default'))
attrs = nodes.Dict([nodes.Pair(nodes.Const(k), v) for k,v in attrs.items()])
return nodes.Output([
self.call_method('field_error_tag', args=[name, attrs])])
def field_error_tag(self, name, attrs):
return Markup(self.form.error_tag(name, attrs, self.environment.error_renderers))
