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Roman Mogylatov 2021-06-13 14:33:33 -04:00
parent a4cee7d4d5
commit cb248e0cce
1 changed files with 27 additions and 7 deletions
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docs/providers/configuration.rst
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@ -43,8 +43,18 @@ where ``examples/providers/configuration/config.ini`` is:
:language: ini :language: ini
:py:meth:`Configuration.from_ini` method supports environment variables interpolation. Use :py:meth:`Configuration.from_ini` method supports environment variables interpolation. Use
``${ENV_NAME}`` format in the configuration file to substitute value of the environment ``${ENV_NAME}`` format in the configuration file to substitute value from ``ENV_NAME`` environment
variable ``ENV_NAME``. variable.
You can also specify a default value using ``${ENV_NAME:default}`` format. If environment
variable ``ENV_NAME`` is undefined, configuration provider will substitute value ``default``.
.. code-block:: ini
[section]
option1 = {$ENV_VAR}
option2 = {$ENV_VAR}/path
option3 = {$ENV_VAR:default}
Loading from a YAML file Loading from a YAML file
------------------------ ------------------------
@ -62,12 +72,22 @@ where ``examples/providers/configuration/config.yml`` is:
.. literalinclude:: ../../examples/providers/configuration/config.yml .. literalinclude:: ../../examples/providers/configuration/config.yml
:language: ini :language: ini
:py:meth:`Configuration.from_yaml` method supports environment variables interpolation. Use
``${ENV_NAME}`` format in the configuration file to substitute value from ``ENV_NAME`` environment
variable.
You can also specify a default value using ``${ENV_NAME:default}`` format. If environment
variable ``ENV_NAME`` is undefined, configuration provider will substitute value ``default``.
.. code-block:: ini
section:
option1: {$ENV_VAR}
option2: {$ENV_VAR}/path
option3: {$ENV_VAR:default}
:py:meth:`Configuration.from_yaml` method uses custom version of ``yaml.SafeLoader``. :py:meth:`Configuration.from_yaml` method uses custom version of ``yaml.SafeLoader``.
To use another loader use ``loader`` argument:
The loader supports environment variables interpolation. Use ``${ENV_NAME}`` format
in the configuration file to substitute value of the environment variable ``ENV_NAME``.
You can also specify a YAML loader as an argument:
.. code-block:: python .. code-block:: python