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Viewing changes to bzrlib/library_state.py

(jelmer) Fix bug #1010339,
 use encoding_type='exact' for bzr testament (John A Meinel)

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bzrlib/library_state.py
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"""The core state needed to make use of bzr is managed here."""
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from __future__ import absolute_import
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__all__ = [
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    'BzrLibraryState',
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    ]
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import sys
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import bzrlib
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib import (
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    cleanup,
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    config,
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    osutils,
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    symbol_versioning,
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    trace,
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    ui,
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    )
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""")
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class BzrLibraryState(object):
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        """
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        self._ui = ui
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        self._trace = trace
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        # There is no overrides by default, they are set later when the command
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        # arguments are parsed.
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        self.cmdline_overrides = config.CommandLineStore()
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        self.started = False
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    def __enter__(self):
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        return self # This is bound to the 'as' clause in a with statement.
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    def _start(self):
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        """Do all initialization."""
 
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        """Do all initialization.
 
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        """        
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        # NB: This function tweaks so much global state it's hard to test it in
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        # isolation within the same interpreter.  It's not reached on normal
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        # in-process run_bzr calls.  If it's broken, we expect that
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        # TestRunBzrSubprocess may fail.
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        self.cleanups = cleanup.ObjectWithCleanups()
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        import bzrlib
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        if bzrlib.version_info[3] == 'final':
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            self.cleanups.add_cleanup(
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                symbol_versioning.suppress_deprecation_warnings(override=True))
 
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            from bzrlib.symbol_versioning import suppress_deprecation_warnings
 
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            warning_cleanup = suppress_deprecation_warnings(override=True)
 
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        else:
 
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            warning_cleanup = None
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        import bzrlib.cleanup
 
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        self.cleanups = bzrlib.cleanup.ObjectWithCleanups()
 
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        if warning_cleanup:
 
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            self.cleanups.add_cleanup(warning_cleanup)
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        self._trace.__enter__()
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        self._orig_ui = bzrlib.ui.ui_factory
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    def __exit__(self, exc_type, exc_val, exc_tb):
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        self.cleanups.cleanup_now()
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        trace._flush_stdout_stderr()
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        trace._flush_trace()
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        osutils.report_extension_load_failures()
 
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        import bzrlib.ui
 
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        bzrlib.trace._flush_stdout_stderr()
 
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        bzrlib.trace._flush_trace()
 
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        import bzrlib.osutils
 
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        bzrlib.osutils.report_extension_load_failures()
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        self._ui.__exit__(None, None, None)
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        self._trace.__exit__(None, None, None)
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        ui.ui_factory = self._orig_ui
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        bzrlib.global_state = self.saved_state
 
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        bzrlib.ui.ui_factory = self._orig_ui
 
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        global global_state
 
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        global_state = self.saved_state
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        return False # propogate exceptions.