Fixed pattern regexps with a space

CHANGELOG.txt

@@ -1,3 +1,8 @@
+=== 2.10 (2019-04-15)
+
+* Fix pattern regexps with a space.
+
+
 === 2.9 (2019-03-04)
 
 * Use of urllib instead of requests for smaller memory usage.

fastjsonschema/draft04.py

@@ -225,7 +225,7 @@ def generate_pattern(self):
             safe_pattern = pattern.replace('"', '\\"')
             end_of_string_fixed_pattern = DOLLAR_FINDER.sub(r'\\Z', pattern)
             self._compile_regexps[pattern] = re.compile(end_of_string_fixed_pattern)
-            with self.l('if not REGEX_PATTERNS["{}"].search({variable}):', safe_pattern):
+            with self.l('if not REGEX_PATTERNS[{}].search({variable}):', repr(pattern)):
                 self.l('raise JsonSchemaException("{name} must match pattern {}")', safe_pattern)
 
     def generate_format(self):
@@ -460,7 +460,7 @@ def generate_pattern_properties(self):
         with self.l('if {variable}_is_dict:'):
             self.create_variable_keys()
             for pattern, definition in self._definition['patternProperties'].items():
-                self._compile_regexps['{}'.format(pattern)] = re.compile(pattern)
+                self._compile_regexps[pattern] = re.compile(pattern)
             with self.l('for {variable}_key, {variable}_val in {variable}.items():'):
                 for pattern, definition in self._definition['patternProperties'].items():
                     with self.l('if REGEX_PATTERNS["{}"].search({variable}_key):', pattern):

fastjsonschema/version.py

@@ -1 +1 @@
-VERSION = '2.9'
+VERSION = '2.10'

tests/test_security.py

@@ -35,6 +35,9 @@ def test_not_generate_code_from_definition(schema):
     ({'properties': {
         'validate(10)': {'type': 'string'},
     }}, {'validate(10)': '10'}),
+    ({'patternProperties': {
+        'validate(10)': {'type': 'string'},
+    }}, {'validate(10)': '10'}),
 ])
 def test_generate_code_with_proper_variable_names(asserter, schema, value):
     asserter({

tests/test_string.py

@@ -62,6 +62,18 @@ def test_pattern(asserter, value, expected):
         'pattern': '^[ab]*[^ab]+(c{2}|d)$',
     }, value, expected)
 
+
+@pytest.mark.parametrize('pattern', [
+    ' ',
+    '\\x20',
+])
+def test_pattern_with_space(asserter, pattern):
+    asserter({
+        'type': 'string',
+        'pattern': pattern,
+    }, ' ', ' ')
+
+
 exc = JsonSchemaException('data must be a valid regex')
 @pytest.mark.parametrize('value, expected', [
     ('[a-z]', '[a-z]'),