mirror of
https://github.com/explosion/spaCy.git
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5a38f79f18
* add custom protocols in spacy.ty * add a test for the new types in spacy.ty * import Example when type checking * some type fixes * put Protocol in compat * revert update check back to hasattr * runtime_checkable in compat as well
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"""Helpers for Python and platform compatibility."""
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import sys
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from thinc.util import copy_array
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try:
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import cPickle as pickle
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except ImportError:
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import pickle # type: ignore[no-redef]
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try:
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import copy_reg
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except ImportError:
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import copyreg as copy_reg # type: ignore[no-redef]
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try:
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from cupy.cuda.stream import Stream as CudaStream
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except ImportError:
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CudaStream = None
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try:
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import cupy
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except ImportError:
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cupy = None
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if sys.version_info[:2] >= (3, 8): # Python 3.8+
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from typing import Literal, Protocol, runtime_checkable
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else:
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from typing_extensions import Literal, Protocol, runtime_checkable # noqa: F401
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# Important note: The importlib_metadata "backport" includes functionality
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# that's not part of the built-in importlib.metadata. We should treat this
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# import like the built-in and only use what's available there.
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try: # Python 3.8+
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import importlib.metadata as importlib_metadata
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except ImportError:
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from catalogue import _importlib_metadata as importlib_metadata # type: ignore[no-redef] # noqa: F401
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from thinc.api import Optimizer # noqa: F401
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pickle = pickle
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copy_reg = copy_reg
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CudaStream = CudaStream
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cupy = cupy
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copy_array = copy_array
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is_windows = sys.platform.startswith("win")
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is_linux = sys.platform.startswith("linux")
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is_osx = sys.platform == "darwin"
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