Add global no-escape support

Author: zanieb

README.md

@@ -14,3 +14,4 @@ The following changes have been made:
 - Dropped support for Python 2
 - Verified support for Python 3.7 - 3.12
 - Fixed bug where variables could be incorrectly resolved from other scopes (see [#3](https://github.com/zanieb/chevron-blue/pull/3))
+- Added global `--no-escape` option to disable HTML escaping (see [#4](https://github.com/zanieb/chevron-blue/pull/4))

src/chevron_blue/main.py

@@ -113,6 +113,12 @@ def is_dir(arg):
         action="store_true",
     )
 
+    parser.add_argument(
+        "--no-escape",
+        help="Do not HTML escape values.",
+        action="store_true",
+    )
+
     args = vars(parser.parse_args())
 
     try:

src/chevron_blue/renderer.py

@@ -123,6 +123,7 @@ def render(
     scopes=None,
     warn=False,
     keep=False,
+    no_escape=False,
 ):
     """Render a mustache template.
 
@@ -170,6 +171,8 @@ def render(
 
     warn          -- Issue a warning to stderr when a template substitution isn't found in the data
 
+    no_escape     -- Do not HTML escape variable values
+
     keep          -- Keep unreplaced tags when a template substitution isn't found in the data
 
 
@@ -230,7 +233,7 @@ def render(
                 thing = scopes[1]
             if not isinstance(thing, str):
                 thing = str(thing)
-            output += _html_escape(thing)
+            output += thing if no_escape else _html_escape(thing)
 
         # If we're a no html escape tag
         elif tag == "no escape":

tests/test_spec.py

@@ -511,6 +511,20 @@ def test_keep_from_partials(self):
         expected = "1st {{ missing_key }} 3rd"
         self.assertEqual(result, expected)
 
+    # https://github.com/noahmorrison/chevron/pull/94
+    def test_no_escape(self):
+        args = {
+            "template": "{{ html_escaped }}",
+            "data": {
+                "html_escaped": '< > & "',
+            },
+            "no_escape": True,
+        }
+
+        result = chevron_blue.render(**args)
+        expected = '< > & "'
+        self.assertEqual(result, expected)
+
 
 # Run unit tests from command line
 if __name__ == "__main__":