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pyyaml_env_tag_environment_variable_substitution_quickstart.py
pythonThis quickstart demonstrates how to use the `!env` tag to parse environme
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pyyaml_env_tag_environment_variable_substitution_quickstart.py
1import os
2import yaml
3import yaml_env_tag
4
5# Set an environment variable for the example
6os.environ['USER'] = 'waylan'
7
8# Define a YAML string with the !env tag
9config_str = """
10author: !env USER
11"""
12
13# Register the tag and load the YAML
14yaml.SafeLoader.add_multi_constructor('!env', yaml_env_tag.construct_env_tag)
15config = yaml.safe_load(config_str)
16
17print(config)
18# Output: {'author': 'waylan'}