def parse_load(self, parser):
filter_name = parser.stream.current.value
lineno = next(parser.stream).lineno
if filter_name not in self.environment.filters:
parser.fail("Unable to parse {0}".format(filter_name), lineno)
parser.stream.expect("name:as")
target = parser.parse_assign_target()
macro_name = "_" + parser.free_identifier().name
macro_body = parser.parse_statements(("name:endload", ),
drop_needle=True)
return [
nodes.Macro(macro_name, [], [], macro_body).set_lineno(lineno),
nodes.Assign(
target,
nodes.Filter(
nodes.Call(
nodes.Name(macro_name, "load").set_lineno(lineno),
[],
[],
None,
None,
).set_lineno(lineno),
filter_name,
[],
[],
None,
None,
).set_lineno(lineno),
).set_lineno(lineno),
]
def parse_filter(self, node, start_inline=False):
while self.stream.current.type == 'pipe' or start_inline:
if not start_inline:
next(self.stream)
token = self.stream.expect('name')
name = token.value
while self.stream.current.type == 'dot':
next(self.stream)
name += '.' + self.stream.expect('name').value
if self.stream.current.type == 'lparen':
args, kwargs, dyn_args, dyn_kwargs = self.parse_call(None)
else:
args = []
kwargs = []
dyn_args = dyn_kwargs = None
node = nodes.Filter(node,
name,
args,
kwargs,
dyn_args,
dyn_kwargs,
lineno=token.lineno)
start_inline = False
return node
def parse_text(self, parser):
import_node = parser.parse_import()
target = import_node.target
lineno = import_node.lineno
return [
import_node,
nodes.Assign(
nodes.Name(target, 'store').set_lineno(lineno),
nodes.Filter(
nodes.Name(target, 'load').set_lineno(lineno), 'load_text',
[], [], None, None).set_lineno(lineno)).set_lineno(lineno)
]
def parse_text(self, parser):
import_node = parser.parse_import()
target = import_node.target
lineno = import_node.lineno
return [
import_node,
nodes.Assign(
nodes.Name(target, "store").set_lineno(lineno),
nodes.Filter(
nodes.Name(target, "load").set_lineno(lineno),
"load_text",
[],
[],
None,
None,
).set_lineno(lineno),
).set_lineno(lineno),
]
def parse_import(self, parser, converter):
import_node = parser.parse_import()
target = import_node.target
lineno = import_node.lineno
body = [
import_node,
nodes.Assign(
nodes.Name(target, "store").set_lineno(lineno),
nodes.Filter(
nodes.Name(target, "load").set_lineno(lineno),
"load_{}".format(converter),
[],
[],
None,
None,
).set_lineno(lineno),
).set_lineno(lineno),
]
return self._parse_profile_block(parser, import_node.template,
"import_{}".format(converter), body,
lineno)
def parse_filter(self, node, start_inline=False):
while self.stream.current.type == "pipe" or start_inline:
if not start_inline:
next(self.stream)
token = self.stream.expect("name")
name = token.value
while self.stream.current.type == "dot":
next(self.stream)
name += "." + self.stream.expect("name").value
if self.stream.current.type == "lparen":
args, kwargs, dyn_args, dyn_kwargs = self.parse_call(None)
else:
args = []
kwargs = []
dyn_args = dyn_kwargs = None
node = nodes.Filter(node,
name,
args,
kwargs,
dyn_args,
dyn_kwargs,
lineno=token.lineno)
start_inline = False
return node
def test_complex():
title_block = nodes.Block(
"title", [nodes.Output([nodes.TemplateData(u"Page Title")])], False)
render_title_macro = nodes.Macro(
"render_title",
[nodes.Name("title", "param")],
[],
[
nodes.Output([
nodes.TemplateData(u'\n <div class="title">\n <h1>'),
nodes.Name("title", "load"),
nodes.TemplateData(u"</h1>\n <p>"),
nodes.Name("subtitle", "load"),
nodes.TemplateData(u"</p>\n "),
]),
nodes.Assign(nodes.Name("subtitle", "store"),
nodes.Const("something else")),
nodes.Output([
nodes.TemplateData(u"\n <p>"),
nodes.Name("subtitle", "load"),
nodes.TemplateData(u"</p>\n </div>\n"),
nodes.If(
nodes.Name("something", "load"),
[
nodes.Assign(
nodes.Name("title_upper", "store"),
nodes.Filter(
nodes.Name("title", "load"),
"upper",
[],
[],
None,
None,
),
),
nodes.Output([
nodes.Name("title_upper", "load"),
nodes.Call(
nodes.Name("render_title", "load"),
[nodes.Const("Aha")],
[],
None,
None,
),
]),
],
[],
[],
),
]),
],
)
for_loop = nodes.For(
nodes.Name("item", "store"),
nodes.Name("seq", "load"),
[
nodes.Output([
nodes.TemplateData(u"\n <li>"),
nodes.Name("item", "load"),
nodes.TemplateData(u"</li>\n <span>"),
]),
nodes.Include(nodes.Const("helper.html"), True, False),
nodes.Output([nodes.TemplateData(u"</span>\n ")]),
],
[],
None,
False,
)
body_block = nodes.Block(
"body",
[
nodes.Output([
nodes.TemplateData(u"\n "),
nodes.Call(
nodes.Name("render_title", "load"),
[nodes.Name("item", "load")],
[],
None,
None,
),
nodes.TemplateData(u"\n <ul>\n "),
]),
for_loop,
nodes.Output([nodes.TemplateData(u"\n </ul>\n")]),
],
False,
)
tmpl = nodes.Template([
nodes.Extends(nodes.Const("layout.html")),
title_block,
render_title_macro,
body_block,
])
tmpl_sym = symbols_for_node(tmpl)
assert tmpl_sym.refs == {
"render_title": "l_0_render_title",
}
assert tmpl_sym.loads == {
"l_0_render_title": ("undefined", None),
}
assert tmpl_sym.stores == set(["render_title"])
assert tmpl_sym.dump_stores() == {
"render_title": "l_0_render_title",
}
macro_sym = symbols_for_node(render_title_macro, tmpl_sym)
assert macro_sym.refs == {
"subtitle": "l_1_subtitle",
"something": "l_1_something",
"title": "l_1_title",
"title_upper": "l_1_title_upper",
}
assert macro_sym.loads == {
"l_1_subtitle": ("resolve", "subtitle"),
"l_1_something": ("resolve", "something"),
"l_1_title": ("param", None),
"l_1_title_upper": ("resolve", "title_upper"),
}
assert macro_sym.stores == set(["title", "title_upper", "subtitle"])
assert macro_sym.find_ref("render_title") == "l_0_render_title"
assert macro_sym.dump_stores() == {
"title": "l_1_title",
"title_upper": "l_1_title_upper",
"subtitle": "l_1_subtitle",
"render_title": "l_0_render_title",
}
body_sym = symbols_for_node(body_block)
assert body_sym.refs == {
"item": "l_0_item",
"seq": "l_0_seq",
"render_title": "l_0_render_title",
}
assert body_sym.loads == {
"l_0_item": ("resolve", "item"),
"l_0_seq": ("resolve", "seq"),
"l_0_render_title": ("resolve", "render_title"),
}
assert body_sym.stores == set([])
for_sym = symbols_for_node(for_loop, body_sym)
assert for_sym.refs == {
"item": "l_1_item",
}
assert for_sym.loads == {
"l_1_item": ("param", None),
}
assert for_sym.stores == set(["item"])
assert for_sym.dump_stores() == {
"item": "l_1_item",
}
def test_complex():
title_block = nodes.Block('title', [
nodes.Output([nodes.TemplateData(u'Page Title')])
], False)
render_title_macro = nodes.Macro('render_title', [nodes.Name('title', 'param')], [], [
nodes.Output([
nodes.TemplateData(u'\n <div class="title">\n <h1>'),
nodes.Name('title', 'load'),
nodes.TemplateData(u'</h1>\n <p>'),
nodes.Name('subtitle', 'load'),
nodes.TemplateData(u'</p>\n ')]),
nodes.Assign(
nodes.Name('subtitle', 'store'), nodes.Const('something else')),
nodes.Output([
nodes.TemplateData(u'\n <p>'),
nodes.Name('subtitle', 'load'),
nodes.TemplateData(u'</p>\n </div>\n'),
nodes.If(
nodes.Name('something', 'load'), [
nodes.Assign(nodes.Name('title_upper', 'store'),
nodes.Filter(nodes.Name('title', 'load'),
'upper', [], [], None, None)),
nodes.Output([
nodes.Name('title_upper', 'load'),
nodes.Call(nodes.Name('render_title', 'load'), [
nodes.Const('Aha')], [], None, None)])], [])])])
for_loop = nodes.For(
nodes.Name('item', 'store'),
nodes.Name('seq', 'load'), [
nodes.Output([
nodes.TemplateData(u'\n <li>'),
nodes.Name('item', 'load'),
nodes.TemplateData(u'</li>\n <span>')]),
nodes.Include(nodes.Const('helper.html'), True, False),
nodes.Output([
nodes.TemplateData(u'</span>\n ')])], [], None, False)
body_block = nodes.Block('body', [
nodes.Output([
nodes.TemplateData(u'\n '),
nodes.Call(nodes.Name('render_title', 'load'), [
nodes.Name('item', 'load')], [], None, None),
nodes.TemplateData(u'\n <ul>\n ')]),
for_loop,
nodes.Output([nodes.TemplateData(u'\n </ul>\n')])],
False)
tmpl = nodes.Template([
nodes.Extends(nodes.Const('layout.html')),
title_block,
render_title_macro,
body_block,
])
tmpl_sym = symbols_for_node(tmpl)
assert tmpl_sym.refs == {
'render_title': 'l_0_render_title',
}
assert tmpl_sym.loads == {
'l_0_render_title': ('undefined', None),
}
assert tmpl_sym.stores == set(['render_title'])
assert tmpl_sym.dump_stores() == {
'render_title': 'l_0_render_title',
}
macro_sym = symbols_for_node(render_title_macro, tmpl_sym)
assert macro_sym.refs == {
'subtitle': 'l_1_subtitle',
'something': 'l_1_something',
'title': 'l_1_title',
'title_upper': 'l_1_title_upper',
}
assert macro_sym.loads == {
'l_1_subtitle': ('resolve', 'subtitle'),
'l_1_something': ('resolve','something'),
'l_1_title': ('param', None),
'l_1_title_upper': ('resolve', 'title_upper'),
}
assert macro_sym.stores == set(['title', 'title_upper', 'subtitle'])
assert macro_sym.find_ref('render_title') == 'l_0_render_title'
assert macro_sym.dump_stores() == {
'title': 'l_1_title',
'title_upper': 'l_1_title_upper',
'subtitle': 'l_1_subtitle',
'render_title': 'l_0_render_title',
}
body_sym = symbols_for_node(body_block)
assert body_sym.refs == {
'item': 'l_0_item',
'seq': 'l_0_seq',
'render_title': 'l_0_render_title',
}
assert body_sym.loads == {
'l_0_item': ('resolve', 'item'),
'l_0_seq': ('resolve', 'seq'),
'l_0_render_title': ('resolve', 'render_title'),
}
assert body_sym.stores == set([])
for_sym = symbols_for_node(for_loop, body_sym)
assert for_sym.refs == {
'item': 'l_1_item',
}
assert for_sym.loads == {
'l_1_item': ('param', None),
}
assert for_sym.stores == set(['item'])
assert for_sym.dump_stores() == {
'item': 'l_1_item',
}
def tablerow(
token: "Token", parser: "Parser"
) -> Union[nodes.Node, List[nodes.Node]]:
"""The tablerow tag {% tablerow ... %} ... {% endtablerow %}
Args:
token: The token matches tag name
parser: The parser
Returns:
The parsed node
"""
target = parser.parse_assign_target(extra_end_rules=("name:in", ))
parser.stream.expect("name:in")
iter_ = parser.parse_tuple(
with_condexpr=False,
extra_end_rules=("name:cols", "name:limit", "name:offset"),
)
cols = parse_tag_args(parser.stream, "cols", token.lineno)
limit = parse_tag_args(parser.stream, "limit", token.lineno)
offset = parse_tag_args(parser.stream, "offset", token.lineno)
if limit and offset:
limit = nodes.Add(offset, limit)
if limit or offset:
iter_ = nodes.Getitem(iter_, nodes.Slice(offset, limit, None), "load")
if cols:
slice_start = nodes.Mul(nodes.Name("_tablerow_i", "load"), cols)
inner_iter = nodes.Getitem(
iter_,
nodes.Slice(
slice_start,
nodes.Add(slice_start, cols),
None,
),
"load",
)
else:
inner_iter: nodes.Getitem = iter_
inner_body = [
nodes.Output(
[
nodes.Const('<td class="col'),
nodes.Getattr(nodes.Name("loop", "load"), "index", "load"),
nodes.Const('">'),
]
),
*parser.parse_statements(("name:endtablerow",), drop_needle=True),
nodes.Output([nodes.Const("</td>")]),
]
tr_begin = nodes.Output(
[
nodes.Const('<tr class="row'),
nodes.CondExpr(
nodes.Name("loop", "load"),
nodes.Getattr(nodes.Name("loop", "load"), "index", "load"),
nodes.Const(1),
),
nodes.Const('">'),
]
)
tr_end = nodes.Output([nodes.Const("</tr>")])
inner_loop = nodes.For(
target, inner_iter, inner_body, [], None, False, lineno=token.lineno
)
if not cols:
return [tr_begin, inner_loop, tr_end]
# (iter_ | length) / cols
iter_length = nodes.Div(
nodes.Filter(iter_, "length", [], [], None, None),
cols,
) # float
# int(iter_length)
iter_length_int = nodes.Filter(iter_length, "int", [], [], None, None)
# implement ceil, as jinja's ceil is implemented as round(..., "ceil")
# while liquid has a ceil filter
# iter_length_int if iter_length == iter_length_int
# else iter_length_int + 1
iter_length = nodes.CondExpr(
nodes.Compare(iter_length, [nodes.Operand("eq", iter_length_int)]),
iter_length_int,
nodes.Add(iter_length_int, nodes.Const(1)),
)
return nodes.For(
nodes.Name("_tablerow_i", "store"),
nodes.Call(nodes.Name("range", "load"), [iter_length], [], None, None),
[tr_begin, inner_loop, tr_end],
[],
None,
False,
lineno=token.lineno,
)
