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50 lines
964 B
Python
50 lines
964 B
Python
5 years ago
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import sys
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PY2 = sys.version_info[0] == 2 # type: bool
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if PY2:
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from StringIO import StringIO # noqa
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else:
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from io import StringIO # noqa
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def is_type_checking():
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# type: () -> bool
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try:
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from typing import TYPE_CHECKING
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except ImportError:
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return False
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return TYPE_CHECKING
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IS_TYPE_CHECKING = is_type_checking()
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if IS_TYPE_CHECKING:
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from typing import Text
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def to_env(text):
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# type: (Text) -> str
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"""
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Encode a string the same way whether it comes from the environment or a `.env` file.
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"""
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if PY2:
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return text.encode(sys.getfilesystemencoding() or "utf-8")
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else:
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return text
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def to_text(string):
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# type: (str) -> Text
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"""
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Make a string Unicode if it isn't already.
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This is useful for defining raw unicode strings because `ur"foo"` isn't valid in
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Python 3.
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"""
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if PY2:
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return string.decode("utf-8")
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else:
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return string
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