64
75
>>> print _format_version_tuple((1, 2, 0, 'dev', 0))
66
>>> print bzrlib._format_version_tuple((1, 2, 0, 'dev', 1))
77
>>> print _format_version_tuple((1, 2, 0, 'dev', 1))
68
79
>>> print _format_version_tuple((1, 1, 1, 'candidate', 2))
70
>>> print bzrlib._format_version_tuple((2, 1, 0, 'beta', 1))
81
>>> print _format_version_tuple((2, 1, 0, 'beta', 1))
72
83
>>> print _format_version_tuple((1, 4, 0))
74
85
>>> print _format_version_tuple((1, 4))
76
>>> print bzrlib._format_version_tuple((2, 1, 0, 'final', 1))
77
Traceback (most recent call last):
79
ValueError: version_info (2, 1, 0, 'final', 1) not valid
87
>>> print _format_version_tuple((2, 1, 0, 'final', 42))
80
89
>>> print _format_version_tuple((1, 4, 0, 'wibble', 0))
81
Traceback (most recent call last):
83
ValueError: version_info (1, 4, 0, 'wibble', 0) not valid
85
92
if len(version_info) == 2:
86
93
main_version = '%d.%d' % version_info[:2]
92
99
release_type = version_info[3]
93
100
sub = version_info[4]
95
# check they're consistent
96
102
if release_type == 'final' and sub == 0:
104
elif release_type == 'final':
105
sub_string = '.' + str(sub)
98
106
elif release_type == 'dev' and sub == 0:
99
107
sub_string = 'dev'
100
108
elif release_type == 'dev':
101
109
sub_string = 'dev' + str(sub)
102
110
elif release_type in ('alpha', 'beta'):
111
if version_info[2] == 0:
112
main_version = '%d.%d' % version_info[:2]
103
113
sub_string = release_type[0] + str(sub)
104
114
elif release_type == 'candidate':
105
115
sub_string = 'rc' + str(sub)
107
raise ValueError("version_info %r not valid" % (version_info,))
117
return '.'.join(map(str, version_info))
109
119
return main_version + sub_string
122
# lazy_regex import must be done after _format_version_tuple definition
123
# to avoid "no attribute '_format_version_tuple'" error when using
124
# deprecated_function in the lazy_regex module.
125
if getattr(sys, '_bzr_lazy_regex', False):
126
# The 'bzr' executable sets _bzr_lazy_regex. We install the lazy regex
127
# hack as soon as possible so that as much of the standard library can
128
# benefit, including the 'string' module.
129
del sys._bzr_lazy_regex
130
import bzrlib.lazy_regex
131
bzrlib.lazy_regex.install_lazy_compile()
112
134
__version__ = _format_version_tuple(version_info)
113
135
version_string = __version__
138
def _patch_filesystem_default_encoding(new_enc):
139
"""Change the Python process global encoding for filesystem names
141
The effect is to change how open() and other builtin functions handle
142
unicode filenames on posix systems. This should only be done near startup.
144
The new encoding string passed to this function must survive until process
145
termination, otherwise the interpreter may access uninitialized memory.
146
The use of intern() may defer breakage is but is not enough, the string
147
object should be secure against module reloading and during teardown.
153
pythonapi = getattr(ctypes, "pythonapi", None)
154
if pythonapi is None:
155
# Not CPython ctypes implementation
157
old_ptr = ctypes.c_void_p.in_dll(pythonapi, "Py_FileSystemDefaultEncoding")
158
new_ptr = ctypes.cast(ctypes.c_char_p(intern(new_enc)), ctypes.c_void_p)
159
old_ptr.value = new_ptr.value
160
if sys.getfilesystemencoding() != new_enc:
161
raise RuntimeError("Failed to change the filesystem default encoding")
165
# When running under the bzr script, override bad filesystem default encoding.
166
# This is not safe to do for all users of bzrlib, other scripts should instead
167
# just ensure a usable locale is set via the $LANG variable on posix systems.
168
_fs_enc = sys.getfilesystemencoding()
169
if getattr(sys, "_bzr_default_fs_enc", None) is not None:
170
if (_fs_enc is None or codecs.lookup(_fs_enc).name == "ascii"):
171
_fs_enc = _patch_filesystem_default_encoding(sys._bzr_default_fs_enc)
175
_fs_enc = codecs.lookup(_fs_enc).name
178
# bzr has various bits of global state that are slowly being eliminated.
179
# This variable is intended to permit any new state-like things to be attached
180
# to a library_state.BzrLibraryState object rather than getting new global
181
# variables that need to be hunted down. Accessing the current BzrLibraryState
182
# through this variable is not encouraged: it is better to pass it around as
183
# part of the context of an operation than to look it up directly, but when
184
# that is too hard, it is better to use this variable than to make a brand new
186
# If using this variable by looking it up (because it can't be easily obtained)
187
# it is important to store the reference you get, rather than looking it up
188
# repeatedly; that way your code will behave properly in the bzrlib test suite
189
# and from programs that do use multiple library contexts.
193
def initialize(setup_ui=True, stdin=None, stdout=None, stderr=None):
194
"""Set up everything needed for normal use of bzrlib.
196
Most applications that embed bzrlib, including bzr itself, should call
197
this function to initialize various subsystems.
199
More options may be added in future so callers should use named arguments.
201
The object returned by this function can be used as a contex manager
202
through the 'with' statement to automatically shut down when the process
203
is finished with bzrlib. However (from bzr 2.4) it's not necessary to
204
separately enter the context as well as starting bzr: bzrlib is ready to
205
go when this function returns.
207
:param setup_ui: If true (default) use a terminal UI; otherwise
208
some other ui_factory must be assigned to `bzrlib.ui.ui_factory` by
210
:param stdin, stdout, stderr: If provided, use these for terminal IO;
211
otherwise use the files in `sys`.
212
:return: A context manager for the use of bzrlib. The __exit__
213
should be called by the caller before exiting their process or
214
otherwise stopping use of bzrlib. Advanced callers can use
215
BzrLibraryState directly.
217
from bzrlib import library_state, trace
220
stdin = stdin or sys.stdin
221
stdout = stdout or sys.stdout
222
stderr = stderr or sys.stderr
223
ui_factory = bzrlib.ui.make_ui_for_terminal(stdin, stdout, stderr)
226
tracer = trace.DefaultConfig()
227
state = library_state.BzrLibraryState(ui=ui_factory, trace=tracer)
228
# Start automatically in case people don't realize this returns a context.
116
233
def test_suite():
118
235
return tests.test_suite()
added
removed
bzrlib/__init__.py
