65 lines
2.4 KiB
Diff
65 lines
2.4 KiB
Diff
From 56a724644b1ad9cb03745c10cca732715cdc79e9 Mon Sep 17 00:00:00 2001
|
|
From: Sigurd Spieckermann <sigurd.spieckermann@gmail.com>
|
|
Date: Fri, 26 May 2023 14:32:36 +0200
|
|
Subject: [PATCH] fix f-string syntax error in code generation
|
|
|
|
---
|
|
src/jinja2/compiler.py | 7 ++++++-
|
|
tests/test_compile.py | 19 +++++++++++++++++++
|
|
2 files changed, 25 insertions(+), 1 deletion(-)
|
|
|
|
Index: Jinja2-3.1.2/src/jinja2/compiler.py
|
|
===================================================================
|
|
--- Jinja2-3.1.2.orig/src/jinja2/compiler.py
|
|
+++ Jinja2-3.1.2/src/jinja2/compiler.py
|
|
@@ -1122,9 +1122,14 @@ class CodeGenerator(NodeVisitor):
|
|
)
|
|
self.writeline(f"if {frame.symbols.ref(alias)} is missing:")
|
|
self.indent()
|
|
+ # The position will contain the template name, and will be formatted
|
|
+ # into a string that will be compiled into an f-string. Curly braces
|
|
+ # in the name must be replaced with escapes so that they will not be
|
|
+ # executed as part of the f-string.
|
|
+ position = self.position(node).replace("{", "{{").replace("}", "}}")
|
|
message = (
|
|
"the template {included_template.__name__!r}"
|
|
- f" (imported on {self.position(node)})"
|
|
+ f" (imported on {position})"
|
|
f" does not export the requested name {name!r}"
|
|
)
|
|
self.writeline(
|
|
Index: Jinja2-3.1.2/tests/test_compile.py
|
|
===================================================================
|
|
--- Jinja2-3.1.2.orig/tests/test_compile.py
|
|
+++ Jinja2-3.1.2/tests/test_compile.py
|
|
@@ -1,6 +1,9 @@
|
|
import os
|
|
import re
|
|
|
|
+import pytest
|
|
+
|
|
+from jinja2 import UndefinedError
|
|
from jinja2.environment import Environment
|
|
from jinja2.loaders import DictLoader
|
|
|
|
@@ -26,3 +29,19 @@ def test_import_as_with_context_determin
|
|
expect = [f"'bar{i}': " for i in range(10)]
|
|
found = re.findall(r"'bar\d': ", content)[:10]
|
|
assert found == expect
|
|
+
|
|
+
|
|
+def test_undefined_import_curly_name():
|
|
+ env = Environment(
|
|
+ loader=DictLoader(
|
|
+ {
|
|
+ "{bad}": "{% from 'macro' import m %}{{ m() }}",
|
|
+ "macro": "",
|
|
+ }
|
|
+ )
|
|
+ )
|
|
+
|
|
+ # Must not raise `NameError: 'bad' is not defined`, as that would indicate
|
|
+ # that `{bad}` is being interpreted as an f-string. It must be escaped.
|
|
+ with pytest.raises(UndefinedError):
|
|
+ env.get_template("{bad}").render()
|