69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
#!/usr/local/autopkg/python
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#
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# Copyright 2013 Greg Neagle
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""See docstring for Symlinker class"""
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import os
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from autopkglib import Processor, ProcessorError
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__all__ = ["Symlinker"]
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class Symlinker(Processor):
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"""Copies source_path to destination_path."""
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description = __doc__
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input_variables = {
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"source_path": {
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"required": True,
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"description": "Path to a file or directory to symlink.",
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},
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"destination_path": {"required": True, "description": "Path to destination."},
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"overwrite": {
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"required": False,
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"description": "Whether the destination will be overwritten if necessary.",
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},
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}
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output_variables = {}
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def main(self):
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source_path = self.env["source_path"]
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destination_path = self.env["destination_path"]
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# Remove destination if needed.
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if os.path.exists(destination_path):
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if "overwrite" in self.env and self.env["overwrite"]:
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try:
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os.unlink(destination_path)
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except OSError as err:
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raise ProcessorError(
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f"Can't remove {destination_path}: {err.strerror}"
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) from err
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# Make symlink.
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try:
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os.symlink(source_path, destination_path)
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self.output(f"Symlinked {source_path} to {destination_path}")
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except BaseException as err:
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raise ProcessorError(
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f"Can't symlink {source_path} to {destination_path}: {err}"
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) from err
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if __name__ == "__main__":
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PROCESSOR = Symlinker()
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PROCESSOR.execute_shell()
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