60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
import os
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import logging
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from config_app.config_util.config.baseprovider import export_yaml, CannotWriteConfigException
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from config_app.config_util.config.basefileprovider import BaseFileProvider
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logger = logging.getLogger(__name__)
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def _ensure_parent_dir(filepath):
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""" Ensures that the parent directory of the given file path exists. """
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try:
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parentpath = os.path.abspath(os.path.join(filepath, os.pardir))
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if not os.path.isdir(parentpath):
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os.makedirs(parentpath)
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except IOError as ioe:
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raise CannotWriteConfigException(str(ioe))
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class FileConfigProvider(BaseFileProvider):
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""" Implementation of the config provider that reads and writes the data
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from/to the file system. """
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def __init__(self, config_volume, yaml_filename, py_filename):
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super(FileConfigProvider, self).__init__(config_volume, yaml_filename, py_filename)
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@property
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def provider_id(self):
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return 'file'
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def save_config(self, config_obj):
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export_yaml(config_obj, self.yaml_path)
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def write_volume_file(self, filename, contents):
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filepath = os.path.join(self.config_volume, filename)
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_ensure_parent_dir(filepath)
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try:
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with open(filepath, mode='w') as f:
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f.write(contents)
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except IOError as ioe:
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raise CannotWriteConfigException(str(ioe))
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return filepath
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def remove_volume_file(self, filename):
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filepath = os.path.join(self.config_volume, filename)
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os.remove(filepath)
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def save_volume_file(self, filename, flask_file):
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filepath = os.path.join(self.config_volume, filename)
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_ensure_parent_dir(filepath)
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# Write the file.
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try:
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flask_file.save(filepath)
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except IOError as ioe:
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raise CannotWriteConfigException(str(ioe))
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return filepath
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