| 112 | 112 | |
| 113 | 113 | |
| 114 | 114 | def _regexp_csv_transfomer(value: str) -> Sequence[Pattern[str]]: |
| 115 | """Transforms a comma separated list of regular expressions.""" | |
| 115 | """Transforms a comma separated list of regular expressions. | |
| 116 | ||
| 117 | This function handles commas in regex patterns intelligently: | |
| 118 | 1. First tries to parse the entire string as a single regex pattern | |
| 119 | 2. If that fails and the string contains commas, parses as CSV with escaped comma support | |
| 120 | 3. Commas can be escaped with backslashes to include them in regex patterns | |
| 121 | ||
| 122 | Examples: | |
| 123 | - "(foo{1,3})" -> single pattern with comma in regex | |
| 124 | - "(foo{1,3}),bar" -> two patterns: "(foo{1,3})" and "bar" | |
| 125 | - "foo\\,bar,baz" -> two patterns: "foo,bar" and "baz" | |
| 126 | """ | |
| 116 | 127 | patterns: list[Pattern[str]] = [] |
| 117 | for pattern in _csv_transformer(value): | |
| 118 | patterns.append(_regex_transformer(pattern)) | |
| 128 | ||
| 129 | # Handle empty input | |
| 130 | if not value.strip(): | |
| 131 | return patterns | |
| 132 | ||
| 133 | # Strategy 1: Try to parse the entire string as a single regex pattern | |
| 134 | # This handles cases like "(foo{1,3})" where commas are part of regex syntax | |
| 135 | try: | |
| 136 | pattern = _regex_transformer(value.strip()) | |
| 137 | return [pattern] | |
| 138 | except (ValueError, re.error): | |
| 139 | # If single pattern parsing fails, try CSV parsing | |
| 140 | pass | |
| 141 | ||
| 142 | # Strategy 2: Parse as CSV with escaped comma support | |
| 143 | # This handles multiple patterns and escaped commas | |
| 144 | parts = [] | |
| 145 | current_part = [] | |
| 146 | i = 0 | |
| 147 | while i < len(value): | |
| 148 | if value[i] == '\\' and i + 1 < len(value) and value[i + 1] == ',': | |
| 149 | # Escaped comma - add literal comma | |
| 150 | current_part.append(',') | |
| 151 | i += 2 # Skip both backslash and comma | |
| 152 | elif value[i] == ',': | |
| 153 | # Unescaped comma - end current part | |
| 154 | parts.append(''.join(current_part)) | |
| 155 | current_part = [] | |
| 156 | i += 1 | |
| 157 | else: | |
| 158 | # Regular character | |
| 159 | current_part.append(value[i]) | |
| 160 | i += 1 | |
| 161 | ||
| 162 | # Add the last part | |
| 163 | if current_part: | |
| 164 | parts.append(''.join(current_part)) | |
| 165 | ||
| 166 | # Process each pattern | |
| 167 | for pattern in parts: | |
| 168 | pattern = pattern.strip() | |
| 169 | if pattern: # Only process non-empty patterns | |
| 170 | patterns.append(_regex_transformer(pattern)) | |
| 171 | ||
| 119 | 172 | return patterns |
| 120 | 173 | |
| 121 | 174 |
| Test Name | Status |
|---|---|
tests/config/test_config.py::test_csv_regex_error | Fail |
tests/config/test_config.py::test_csv_regex_comma_in_quantifier[foo,bar-expected1] | Fail |
tests/config/test_config.py::test_csv_regex_comma_in_quantifier[foo, | Fail |
tests/config/test_config.py::test_can_read_toml_env_variable | Pass |
tests/config/test_config.py::test_unknown_message_id | Pass |
tests/config/test_config.py::test_unknown_option_name | Pass |
tests/config/test_config.py::test_unknown_short_option_name | Pass |
tests/config/test_config.py::test_unknown_confidence | Pass |
tests/config/test_config.py::test_empty_confidence | Pass |
tests/config/test_config.py::test_unknown_yes_no | Pass |
tests/config/test_config.py::test_unknown_py_version | Pass |
tests/config/test_config.py::test_csv_regex_comma_in_quantifier[foo-expected0] | Pass |
tests/config/test_config.py::test_regex_error | Pass |
tests/config/test_config.py::test_short_verbose | Pass |
tests/config/test_config.py::test_argument_separator | Pass |
tests/config/test_config.py::test_clear_cache_post_run | Pass |
tests/config/test_config.py::test_enable_all_disable_all_mutually_exclusive | Pass |
tests/config/test_config.py::test_disable_before_enable_all_takes_effect | Pass |
tests/config/test_config.py::test_enable_before_disable_all_takes_effect | Pass |
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