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Calendar Problem with Windows (XP) #65930

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@Juebo
mannequin
BPO 21731
Nosy @bitdancer
Superseder
  • bpo-10466: locale.py resetlocale throws exception on Windows (getdefaultlocale returns value not usable in setlocale)
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = <Date 2021-12-06.23:44:20.004>
    created_at = <Date 2014-06-12.11:38:21.155>
    labels = ['build', 'library']
    title = 'Calendar Problem with Windows (XP)'
    updated_at = <Date 2021-12-06.23:44:20.004>
    user = 'https://bugs.python.org/Juebo'

    bugs.python.org fields:

    activity = <Date 2021-12-06.23:44:20.004>
    actor = 'iritkatriel'
    assignee = 'none'
    closed = True
    closed_date = <Date 2021-12-06.23:44:20.004>
    closer = 'iritkatriel'
    components = ['Library (Lib)']
    creation = <Date 2014-06-12.11:38:21.155>
    creator = 'Juebo'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 21731
    keywords = []
    message_count = 3.0
    messages = ['220341', '220347', '220352']
    nosy_count = 2.0
    nosy_names = ['r.david.murray', 'Juebo']
    pr_nums = []
    priority = 'normal'
    resolution = 'duplicate'
    stage = 'resolved'
    status = 'closed'
    superseder = '10466'
    type = 'compile error'
    url = 'https://bugs.python.org/issue21731'
    versions = ['Python 2.7', 'Python 3.4']

    Activity

    1. Juebo commented on Jun 12, 2014

      Juebomannequin
      MannequinAuthor

      I had a problem with calendar.formatmonth()
      Error message was 'Unsupported Locale'

      Well, it seems that Windows (XP) does nothing accept to setlocale than ''

      I changed /lib/calendar.py line 488 ff to
      class different_locale:
      def __init__(self, locale):
      self.locale = locale

          def __enter__(self):
              _locale.setlocale(_locale.LC_TIME, '') # juebo
              self.oldlocale = _locale.getlocale(_locale.LC_TIME)
              # _locale.setlocale(_locale.LC_TIME, self.locale) # juebo
      
          def __exit__(self, *args):
              # _locale.setlocale(_locale.LC_TIME, self.oldlocale) #juebo
              _locale.setlocale(_locale.LC_TIME, '')

      Well, I am absolute new to Python. So could anybody look over it

    2. added
      stdlibStandard Library Python modules in the Lib/ directory
      buildThe build process and cross-build
      on Jun 12, 2014
    3. bitdancer commented on Jun 12, 2014

      @bitdancer
      Member

      The code is mostly correct as it exists in the calendar module. You are running into bpo-10466. Per my comment in that issue, it may be possible to put a workaround into the calendar module, but your suggestion isn't it, since your code would leave the locale modified, not restored to its value before the calendar function was called.

      What happens if you replace the original setlocale call in __enter__ with a try/except, and if the set fails, redo the set call using ''? Does the save of oldlocale and its restore work in that case?

    4. Juebo commented on Jun 12, 2014

      Juebomannequin
      MannequinAuthor

      Yes, bpo-10466 seems to be the same problem. One could fix this one instance higher, not necessarily in Calendar.py.

      As I said, I have "no idea" about Python (not yet). You could code this and I would test it.

    5. transferred this issue fromon Apr 10, 2022
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