1 | n/a | """A minimal subset of the locale module used at interpreter startup |
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2 | n/a | (imported by the _io module), in order to reduce startup time. |
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3 | n/a | |
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4 | n/a | Don't import directly from third-party code; use the `locale` module instead! |
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5 | n/a | """ |
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6 | n/a | |
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7 | n/a | import sys |
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8 | n/a | import _locale |
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9 | n/a | |
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10 | n/a | if sys.platform.startswith("win"): |
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11 | n/a | def getpreferredencoding(do_setlocale=True): |
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12 | n/a | return _locale._getdefaultlocale()[1] |
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13 | n/a | else: |
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14 | n/a | try: |
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15 | n/a | _locale.CODESET |
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16 | n/a | except AttributeError: |
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17 | n/a | if hasattr(sys, 'getandroidapilevel'): |
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18 | n/a | # On Android langinfo.h and CODESET are missing, and UTF-8 is |
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19 | n/a | # always used in mbstowcs() and wcstombs(). |
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20 | n/a | def getpreferredencoding(do_setlocale=True): |
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21 | n/a | return 'UTF-8' |
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22 | n/a | else: |
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23 | n/a | def getpreferredencoding(do_setlocale=True): |
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24 | n/a | # This path for legacy systems needs the more complex |
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25 | n/a | # getdefaultlocale() function, import the full locale module. |
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26 | n/a | import locale |
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27 | n/a | return locale.getpreferredencoding(do_setlocale) |
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28 | n/a | else: |
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29 | n/a | def getpreferredencoding(do_setlocale=True): |
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30 | n/a | assert not do_setlocale |
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31 | n/a | result = _locale.nl_langinfo(_locale.CODESET) |
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32 | n/a | if not result and sys.platform == 'darwin': |
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33 | n/a | # nl_langinfo can return an empty string |
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34 | n/a | # when the setting has an invalid value. |
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35 | n/a | # Default to UTF-8 in that case because |
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36 | n/a | # UTF-8 is the default charset on OSX and |
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37 | n/a | # returning nothing will crash the |
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38 | n/a | # interpreter. |
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39 | n/a | result = 'UTF-8' |
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40 | n/a | return result |
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