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Some terminology:
- name
As written in config files.
- value
Value associated with a name
- key
Name combined with it's section (section.name)
- variant
A single word describing where the configuration key-value pair came from
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Configurationa� Handles management of configuration.
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and the data stored is also nice.
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zConfiguration.unset_valuec C sl | � � | jD ]X\}}t�d|� ttj�|�� t|d��}|� |� W d � q1 s\0 Y qdS )z!Save the current in-memory state.z
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z$Configuration._ensure_have_load_onlyc C s" i }t D ]}|�| j| � q|S )z3A dictionary representing the loaded configuration.)rC �updaterE )rG Zretvalr< r# r# r$ rQ � s zConfiguration._dictionaryc C s� t | �� �}|tj dd� tjgkr4t�d� dS |�� D ]V\}}|D ]H}| j durp|| j krpt�d||� qH| �
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_load_filerD �append)rG � config_filesr< �filesr\ r] r# r# r$ rJ � s � z Configuration._load_config_files)r< r\ r c C sL t �d||� | �|�}|�� D ]&}|�|�}| j| �| �||�� q |S )Nz'For variant '%s', will try loading '%s')rb �verbose�_construct_parserZsectionsrR rE rj �_normalized_keys)rG r< r\ r] r^ rR r# r# r$ rn � s
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z Configuration._construct_parserc C s" | j tj �| �d| �� �� dS )z.Loads configuration from environment variablesz:env:N)rE r6 r rj rt �get_environ_varsrL r# r# r$ rK s �z$Configuration._load_environment_vars)r^ rR r c C s. i }|D ] \}}|d t |� }|||< q|S )z�Normalizes items to construct a dictionary with normalized keys.
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ZPIP_CONFIG_FILEN) r, r� �getr6 r r7 r r9 r- ry r r )rG Z config_filerp Zshould_load_user_configr# r# r$ rl 9 s �z Configuration.iter_config_files)r< r c C s
| j | S )z#Get values present in a config file)rE )rG r< r# r# r$ �get_values_in_configW s z"Configuration.get_values_in_configc C s | j | j }|std��|d S )Nz4Fatal Internal error [id=2]. Please report as a bug.���)rD r: r )rG �parsersr# r# r$ rN [ s �z#Configuration._get_parser_to_modify)r\ r] r c C s" ||f}|| j vr | j �|� d S )N)rF ro )rG r\ r] Zfile_parser_tupler# r# r$ r[ i s
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__module__� __qualname__�__doc__�boolr r r? rM �strrP r r r rR rV r_ r` rh rX �propertyr rQ rJ rx rn rs rK rt r r rl r� rN r[ r� �
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