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Since Python 3.9, type hinting has become a little less awkward, as for
collection types one doesn't need to import the corresponding
capitalized types (`Dict`, `List`, `Set`, `Tuple`, ...) anymore, but can
use the built-in types directly. [1] [2]
This commit applies the replacement for all Python scripts (i.e. in the
contrib and test folders) for the basic types:
- typing.Dict -> dict
- typing.List -> list
- typing.Set -> set
- typing.Tuple -> tuple
[1] https://docs.python.org/3.9/whatsnew/3.9.html#type-hinting-generics-in-standard-collections
[2] https://peps.python.org/pep-0585/#implementation for a list of type
22 lines
625 B
Python
Executable File
22 lines
625 B
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2021 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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'''
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Common utility functions
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'''
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import shutil
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import sys
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import os
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def determine_wellknown_cmd(envvar, progname) -> list[str]:
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maybe_env = os.getenv(envvar)
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maybe_which = shutil.which(progname)
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if maybe_env:
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return maybe_env.split(' ') # Well-known vars are often meant to be word-split
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elif maybe_which:
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return [ maybe_which ]
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else:
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sys.exit(f"{progname} not found")
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