container_app_conf/formatter/__init__.py
# Copyright (c) 2019 Markus Ressel
# .
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# .
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# .
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# SOFTWARE.
class ConfigFormatter:
"""
Allows config entries to be formatted into a string
"""
def format(self, data: dict) -> str:
"""
Formats the given entry data
:param data: entries to format
:return: formatted string
"""
raise NotImplementedError()
class SimpleFormatter(ConfigFormatter):
"""
Prints all config entries in a human readable manner
"""
def format(self, data: dict) -> str:
return "\n".join(self._format(data)).strip()
def _format(self, data: dict, prefix: str = "") -> [str]:
"""
Recursively formats the dictionary
:param data:
:return:
"""
lines = []
for key, value in data.items():
output = prefix + key
if isinstance(value, dict):
lines.extend(self._format(value, "{}->".format(output)))
else:
lines.append(output + ": {}".format(value))
return lines