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31
We hope you enjoy this library.
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from __future__ import absolute_import
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36
# Keep track of when bzrlib was first imported, so that we can give rough
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# timestamps relative to program start in the log file kept by bzrlib.trace.
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38
_start_time = time.time()
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43
IGNORE_FILENAME = ".bzrignore"
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__copyright__ = "Copyright 2005-2012 Canonical Ltd."
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__copyright__ = "Copyright 2005-2010 Canonical Ltd."
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# same format as sys.version_info: "A tuple containing the five components of
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49
# the version number: major, minor, micro, releaselevel, and serial. All
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# Python version 2.0 is (2, 0, 0, 'final', 0)." Additionally we use a
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# releaselevel of 'dev' for unreleased under-development code.
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version_info = (2, 8, 0, 'dev', 1)
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version_info = (2, 3, 0, 'dev', 1)
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# API compatibility version
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api_minimum_version = (2, 4, 0)
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api_minimum_version = (2, 2, 0)
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def _format_version_tuple(version_info):
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>>> print _format_version_tuple((1, 2, 0, 'dev', 0))
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>>> print _format_version_tuple((1, 2, 0, 'dev', 1))
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>>> print bzrlib._format_version_tuple((1, 2, 0, 'dev', 1))
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>>> print _format_version_tuple((1, 1, 1, 'candidate', 2))
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>>> print _format_version_tuple((2, 1, 0, 'beta', 1))
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>>> print bzrlib._format_version_tuple((2, 1, 0, 'beta', 1))
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>>> print _format_version_tuple((1, 4, 0))
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>>> print _format_version_tuple((1, 4))
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>>> print _format_version_tuple((2, 1, 0, 'final', 42))
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>>> print bzrlib._format_version_tuple((2, 1, 0, 'final', 1))
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Traceback (most recent call last):
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ValueError: version_info (2, 1, 0, 'final', 1) not valid
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>>> print _format_version_tuple((1, 4, 0, 'wibble', 0))
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Traceback (most recent call last):
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ValueError: version_info (1, 4, 0, 'wibble', 0) not valid
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if len(version_info) == 2:
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main_version = '%d.%d' % version_info[:2]
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release_type = version_info[3]
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sub = version_info[4]
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# check they're consistent
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if release_type == 'final' and sub == 0:
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elif release_type == 'final':
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sub_string = '.' + str(sub)
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elif release_type == 'dev' and sub == 0:
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sub_string = 'dev'
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elif release_type == 'dev':
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elif release_type == 'candidate':
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sub_string = 'rc' + str(sub)
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return '.'.join(map(str, version_info))
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raise ValueError("version_info %r not valid" % (version_info,))
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return main_version + sub_string
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__version__ = _format_version_tuple(version_info)
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version_string = __version__
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def _patch_filesystem_default_encoding(new_enc):
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"""Change the Python process global encoding for filesystem names
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The effect is to change how open() and other builtin functions handle
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unicode filenames on posix systems. This should only be done near startup.
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The new encoding string passed to this function must survive until process
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termination, otherwise the interpreter may access uninitialized memory.
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The use of intern() may defer breakage is but is not enough, the string
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object should be secure against module reloading and during teardown.
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old_ptr = ctypes.c_void_p.in_dll(ctypes.pythonapi,
152
"Py_FileSystemDefaultEncoding")
153
except (ImportError, ValueError):
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return # No ctypes or not CPython implementation, do nothing
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new_ptr = ctypes.cast(ctypes.c_char_p(intern(new_enc)), ctypes.c_void_p)
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old_ptr.value = new_ptr.value
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if sys.getfilesystemencoding() != new_enc:
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raise RuntimeError("Failed to change the filesystem default encoding")
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# When running under the bzr script, override bad filesystem default encoding.
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# This is not safe to do for all users of bzrlib, other scripts should instead
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# just ensure a usable locale is set via the $LANG variable on posix systems.
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_fs_enc = sys.getfilesystemencoding()
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if getattr(sys, "_bzr_default_fs_enc", None) is not None:
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if (_fs_enc is None or codecs.lookup(_fs_enc).name == "ascii"):
168
_fs_enc = _patch_filesystem_default_encoding(sys._bzr_default_fs_enc)
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_fs_enc = codecs.lookup(_fs_enc).name
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137
# bzr has various bits of global state that are slowly being eliminated.
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138
# This variable is intended to permit any new state-like things to be attached
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# to a library_state.BzrLibraryState object rather than getting new global
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# variables that need to be hunted down. Accessing the current BzrLibraryState
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141
# through this variable is not encouraged: it is better to pass it around as
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142
# part of the context of an operation than to look it up directly, but when
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# that is too hard, it is better to use this variable than to make a brand new
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# that is too hard, it is better to use this variable than to make a branch new
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# global variable.
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145
# If using this variable by looking it up (because it can't be easily obtained)
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146
# it is important to store the reference you get, rather than looking it up
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158
More options may be added in future so callers should use named arguments.
198
The object returned by this function can be used as a contex manager
199
through the 'with' statement to automatically shut down when the process
200
is finished with bzrlib. However (from bzr 2.4) it's not necessary to
201
separately enter the context as well as starting bzr: bzrlib is ready to
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go when this function returns.
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:param setup_ui: If true (default) use a terminal UI; otherwise
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161
some other ui_factory must be assigned to `bzrlib.ui.ui_factory` by
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163
:param stdin, stdout, stderr: If provided, use these for terminal IO;
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otherwise use the files in `sys`.
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:return: A context manager for the use of bzrlib. The __exit__
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:return: A context manager for the use of bzrlib. The __enter__ method of
166
this context needs to be called before it takes effect, and the __exit__
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167
should be called by the caller before exiting their process or
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168
otherwise stopping use of bzrlib. Advanced callers can use
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169
BzrLibraryState directly.
added
removed
bzrlib/__init__.py
