datawrangler.core
- datawrangler.core.get_default_options(fname=None)[source]
Parse a config.ini file
Parameters
- param fname:
absolute-path filename for the config.ini file (default: data-wrangler/datawrangler/core/config.ini)
Returns
- return:
A dictionary whose keys are function names and whose values are dictionaries of default arguments and keyword arguments
- datawrangler.core.apply_defaults(f, defaults=None)[source]
Replace a function’s default arguments and keyword arguments with defaults specified in config.ini
Parameters
- param f:
a function
- param defaults:
an optional dictionary of default options (default: get_default_options)
Returns
- return:
a function replacing and un-specified arguments with the defaults defined in config.ini
- datawrangler.core.update_dict(template, updates, from_config=False)[source]
Replace a template dictionary’s values with new values defined in a second “updates” dictionary.
Parameters
- param template:
default keys and values to use (if not specified in the “updates” dictionary)
- param updates:
new values to use (and/or new keys to add to the resulting dictionary)
- param from_config:
if True, evaluate the keys in the “template” dictionary and set their values to the result. Used when loading options from the configuration file. (Default: False)
Returns
- return:
A new dictionary containing the union of the keys/values in template and updates, with preference given to the updates dictionary
- datawrangler.core.set_dataframe_backend(backend)[source]
Set the global DataFrame backend preference.
Parameters
- backendstr
The backend to use (‘pandas’ or ‘polars’)
Raises
- ValueError
If backend is not ‘pandas’ or ‘polars’