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60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
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#
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# Copyright (C) 2018 Satoru SATOH <ssato @ redhat.com>
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# License: MIT
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#
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r"""Abstract processor module.
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.. versionadded:: 0.9.5
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- Add to abstract processors such like Parsers (loaders and dumpers).
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"""
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from __future__ import absolute_import
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class Processor(object):
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"""
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Abstract processor class to provide basic implementation of some methods,
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interfaces and members.
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- _type: type indicates data types it can process
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- _priority: Priority to select it if there are others of same type
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- _extensions: File extensions of data type it can process
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.. note::
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This class ifself is not a singleton but its children classes should so
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in most cases, I think.
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"""
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_cid = None
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_type = None
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_priority = 0 # 0 (lowest priority) .. 99 (highest priority)
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_extensions = []
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@classmethod
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def cid(cls):
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"""Processor class ID
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"""
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return repr(cls) if cls._cid is None else cls._cid
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@classmethod
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def type(cls):
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"""Processors' type
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"""
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return cls._type
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@classmethod
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def priority(cls):
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"""Processors's priority
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"""
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return cls._priority
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@classmethod
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def extensions(cls):
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"""A list of file extensions of files which this process can process.
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"""
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return cls._extensions
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def __eq__(self, other):
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return self.cid() == other.cid()
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# vim:sw=4:ts=4:et:
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