ConfigObj is a Python library for reading, writing, and validating configuration files. It supports a syntax similar to .ini files but adds features like nested sections, list handling, and comprehensive validation. It is currently at version 5.0.9 and is actively maintained with infrequent but important updates, often addressing security concerns or Python version compatibility.
pip install configobjVerified import paths — ran on the pinned version, not inferred.
This example demonstrates how to create a ConfigObj instance, populate it with data (including nested sections and lists), write it to a file, and then read it back. It concludes with cleanup of the created file.
Upgrade to `configobj>=5.0.9` and ensure your environment runs Python 3.7 or newer.
Upgrade to `configobj>=5.0.9` immediately to patch the ReDoS vulnerability.
Always define a `configspec` and an instance of `configobj.Validate` to use with the `config.validate()` method, e.g., `config = ConfigObj('my.ini', configspec='my.spec'); config.validate(Validate())`.Define a `configspec` with `list` types (e.g., `key = list`) for keys expected to hold lists. When reading, instantiate `ConfigObj` with the `configspec` to ensure correct type conversion.
Install the library using pip: `pip install configobj`. If using a specific Python version or virtual environment, ensure `pip` for that environment is used (e.g., `python3 -m pip install configobj`).
Review and correct the syntax in the configuration file to adhere to `configobj`'s specification, ensuring proper `key = value` format and valid section headers.
Ensure the key or section path is correct and exists in your configuration. Use `config.get('section', {}).get('key', default_value)` for safe access with a fallback, or verify that the `configspec` properly defines default values for keys you intend to restore.Provide the correct and absolute path to an existing configuration file. Alternatively, set `file_error=False` and `create_empty=True` in the `ConfigObj` constructor if you intend for `configobj` to create an empty file if it doesn't exist.
Inspect the `configspec` and the corresponding values in your configuration file. Correct the data in the config file to match the validation rules, or adjust the `configspec` if the rules are unintentionally restrictive. Using `config.validate(validator, preserve_errors=True)` and `flatten_errors()` can help get detailed information about specific validation failures.
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