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Support the direct passing of dictionary literals. #414

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Support the direct passing of dictionary literals. #414

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2ae9c15
Support the direct passing of dictionary literals.
cocolato Oct 29, 2024
a08ff83
fix test
cocolato Oct 29, 2024
c6aa6be
fix tests
cocolato Nov 11, 2024
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8 changes: 8 additions & 0 deletions doc/build/unreleased/400.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
.. change::
:tags: bug, lexer
:tickets: 400

Support the direct passing of dictionary literals
when calling functions and fix the errors
caused by unexpected nested braces.
Pull request by Hai Zhu and Jose Galvez.
2 changes: 1 addition & 1 deletion mako/parsetree.py
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Expand Up @@ -322,7 +322,7 @@ def _parse_attributes(self, expressions, nonexpressions):
for key in self.attributes:
if key in expressions:
expr = []
for x in re.compile(r"(\${.+?})", re.S).split(
for x in re.compile(r"(\${(?:[^$]*?{.+|.+?)})", re.S).split(
self.attributes[key]
):
m = re.compile(r"^\${(.+?)}$", re.S).match(x)
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207 changes: 207 additions & 0 deletions test/test_lexer.py
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Expand Up @@ -1006,6 +1006,213 @@ def _dont_test_dict_expression_2_issue_400(self):
),
)

def test_dict_expression(self):
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template = """
<%def name="dtest(d)">
% for k,v in d.items():
${k} = ${v}
% endfor
</%def>
<%self:dtest d="${
{
'id':'4',
'foo':'barr'
}
}" />
"""
nodes = Lexer(template).parse()
self._compare(
nodes,
TemplateNode(
{},
[
Text("\n ", (1, 1)),
DefTag(
"def",
{"name": "dtest(d)"},
(2, 9),
[
Text("\n", (2, 31)),
ControlLine(
"for", "for k,v in d.items():", False, (3, 1)
),
Text(" ", (4, 1)),
Expression("k", [], (4, 13)),
Text(" = ", (4, 17)),
Expression("v", [], (4, 20)),
Text("\n", (4, 24)),
ControlLine("for", "endfor", True, (5, 1)),
Text(" ", (6, 1)),
],
),
Text("\n ", (6, 16)),
CallNamespaceTag(
"self:dtest",
{
"d": "${\n\
{\n\
'id':'4',\n\
'foo':'barr'\n\
}\n\
}"
},
(7, 9),
[],
),
Text("\n ", (12, 30)),
],
),
)

def test_dict_expression_2(self):
template = """
<%def name="thing(thing)">
${type(thing)}
</%def>
<%self:thing thing="foo" />
<%self:thing thing="${5}" />
<%self:thing thing="${[1,2,3]}" />
<%self:thing thing="${{'id':'4'}}" />
<%
foo="this is foo"
g=False
%>
<%def name="bar(x, y)">
${x} ${y}
</%def>
<%self:bar x="${{'id':4}}" y="x${g and '1' or '2'}y"/>
<%def name="dtest(d)">
% for k,v in d.items():
${k} = ${v}
% endfor
% if 'embeded' in d and 'name' in d['embeded']:
${d['embeded']['name']}
% endif
</%def>
<%self:dtest d="${ {
'x-on:click':'foo',
'foo':'bar',
'embeded':{'name':'J Doe'}
} }" />
"""
nodes = Lexer(template).parse()
self._compare(
nodes,
TemplateNode(
{},
[
Text("\n ", (1, 1)),
DefTag(
"def",
{"name": "thing(thing)"},
(2, 9),
[
Text("\n ", (2, 35)),
Expression("type(thing)", [], (3, 13)),
Text("\n ", (3, 27)),
],
),
Text("\n ", (4, 16)),
CallNamespaceTag(
"self:thing", {"thing": "foo"}, (5, 9), []
),
Text("\n ", (5, 36)),
CallNamespaceTag(
"self:thing", {"thing": "${5}"}, (6, 9), []
),
Text("\n ", (6, 37)),
CallNamespaceTag(
"self:thing", {"thing": "${[1,2,3]}"}, (7, 9), []
),
Text("\n ", (7, 43)),
CallNamespaceTag(
"self:thing", {"thing": "${{'id':'4'}}"}, (8, 9), []
),
Text("\n ", (8, 46)),
Code(
'\nfoo="this is foo"\ng=False\n \n',
False,
(9, 9),
),
Text("\n ", (12, 11)),
DefTag(
"def",
{"name": "bar(x, y)"},
(13, 9),
[
Text("\n ", (13, 32)),
Expression("x", [], (14, 13)),
Text(" ", (14, 17)),
Expression("y", [], (14, 18)),
Text("\n ", (14, 22)),
],
),
Text("\n ", (15, 16)),
CallNamespaceTag(
"self:bar",
{"x": "${{'id':4}}", "y": "x${g and '1' or '2'}y"},
(16, 9),
[],
),
Text("\n ", (16, 63)),
DefTag(
"def",
{"name": "dtest(d)"},
(17, 9),
[
Text("\n", (17, 31)),
ControlLine(
"for", "for k,v in d.items():", False, (18, 1)
),
Text(" ", (19, 1)),
Expression("k", [], (19, 9)),
Text(" = ", (19, 13)),
Expression("v", [], (19, 16)),
Text("\n", (19, 20)),
ControlLine("for", "endfor", True, (20, 1)),
ControlLine(
"if",
"if 'embeded' in d and \
'name' in d['embeded']:",
False,
(21, 1),
),
Text(" ", (22, 1)),
Expression("d['embeded']['name']", [], (22, 9)),
Text("\n", (22, 32)),
ControlLine("if", "endif", True, (23, 1)),
Text(" ", (24, 1)),
],
),
Text("\n ", (24, 16)),
CallNamespaceTag(
"self:dtest",
{
"d": "${ {\n\
'x-on:click':'foo',\n\
'foo':'bar',\n\
'embeded':{'name':'J Doe'}\n\
} }"
},
(25, 9),
[],
),
Text("\n ", (29, 16)),
],
),
)

def test_brace_expression(self):
template = '<%include file="${foo}${bar}"/>'
nodes = Lexer(template).parse()
self._compare(
nodes,
TemplateNode(
{},
[IncludeTag("include", {"file": "${foo}${bar}"}, (1, 1), [])],
),
)

def test_tricky_code(self):
template = """<% print('hi %>') %>"""
nodes = Lexer(template).parse()
Expand Down
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