55
41
# Python version 2.0 is (2, 0, 0, 'final', 0)." Additionally we use a
56
42
# releaselevel of 'dev' for unreleased under-development code.
58
version_info = (2, 8, 0, 'dev', 1)
60
# API compatibility version
61
api_minimum_version = (2, 4, 0)
44
version_info = (1, 7, 0, 'dev', 0)
47
# API compatibility version: bzrlib is currently API compatible with 1.7.
48
api_minimum_version = (1, 7, 0)
64
51
def _format_version_tuple(version_info):
65
"""Turn a version number 2, 3 or 5-tuple into a short string.
52
"""Turn a version number 3-tuple or 5-tuple into a short string.
67
54
This format matches <http://docs.python.org/dist/meta-data.html>
68
55
and the typical presentation used in Python output.
70
57
This also checks that the version is reasonable: the sub-release must be
71
zero for final releases.
58
zero for final releases, and non-zero for alpha, beta and preview.
73
60
>>> print _format_version_tuple((1, 0, 0, 'final', 0))
75
62
>>> print _format_version_tuple((1, 2, 0, 'dev', 0))
77
>>> print _format_version_tuple((1, 2, 0, 'dev', 1))
79
64
>>> print _format_version_tuple((1, 1, 1, 'candidate', 2))
81
>>> print _format_version_tuple((2, 1, 0, 'beta', 1))
83
66
>>> print _format_version_tuple((1, 4, 0))
85
>>> print _format_version_tuple((1, 4))
87
>>> print _format_version_tuple((2, 1, 0, 'final', 42))
89
>>> print _format_version_tuple((1, 4, 0, 'wibble', 0))
92
if len(version_info) == 2:
69
if version_info[2] == 0:
93
70
main_version = '%d.%d' % version_info[:2]
95
72
main_version = '%d.%d.%d' % version_info[:3]
96
73
if len(version_info) <= 3:
97
74
return main_version
99
release_type = version_info[3]
100
sub = version_info[4]
76
__release_type = version_info[3]
77
__sub = version_info[4]
102
if release_type == 'final' and sub == 0:
104
elif release_type == 'final':
105
sub_string = '.' + str(sub)
106
elif release_type == 'dev' and sub == 0:
108
elif release_type == 'dev':
109
sub_string = 'dev' + str(sub)
110
elif release_type in ('alpha', 'beta'):
111
if version_info[2] == 0:
112
main_version = '%d.%d' % version_info[:2]
113
sub_string = release_type[0] + str(sub)
114
elif release_type == 'candidate':
115
sub_string = 'rc' + str(sub)
79
# check they're consistent
80
if __release_type == 'final' and __sub == 0:
82
elif __release_type == 'dev' and __sub == 0:
84
elif __release_type in ('alpha', 'beta') and __sub != 0:
85
__sub_string = __release_type[0] + str(__sub)
86
elif __release_type == 'candidate' and __sub != 0:
87
__sub_string = 'rc' + str(__sub)
117
return '.'.join(map(str, version_info))
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()
89
raise AssertionError("version_info %r not valid" % version_info)
91
version_string = '%d.%d.%d.%s.%d' % version_info
92
return main_version + __sub_string
134
94
__version__ = _format_version_tuple(version_info)
135
95
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.
151
old_ptr = ctypes.c_void_p.in_dll(ctypes.pythonapi,
152
"Py_FileSystemDefaultEncoding")
153
except (ImportError, ValueError):
154
return # No ctypes or not CPython implementation, do nothing
155
new_ptr = ctypes.cast(ctypes.c_char_p(intern(new_enc)), ctypes.c_void_p)
156
old_ptr.value = new_ptr.value
157
if sys.getfilesystemencoding() != new_enc:
158
raise RuntimeError("Failed to change the filesystem default encoding")
162
# When running under the bzr script, override bad filesystem default encoding.
163
# This is not safe to do for all users of bzrlib, other scripts should instead
164
# just ensure a usable locale is set via the $LANG variable on posix systems.
165
_fs_enc = sys.getfilesystemencoding()
166
if getattr(sys, "_bzr_default_fs_enc", None) is not None:
167
if (_fs_enc is None or codecs.lookup(_fs_enc).name == "ascii"):
168
_fs_enc = _patch_filesystem_default_encoding(sys._bzr_default_fs_enc)
172
_fs_enc = codecs.lookup(_fs_enc).name
175
# bzr has various bits of global state that are slowly being eliminated.
176
# This variable is intended to permit any new state-like things to be attached
177
# to a library_state.BzrLibraryState object rather than getting new global
178
# variables that need to be hunted down. Accessing the current BzrLibraryState
179
# through this variable is not encouraged: it is better to pass it around as
180
# part of the context of an operation than to look it up directly, but when
181
# that is too hard, it is better to use this variable than to make a brand new
183
# If using this variable by looking it up (because it can't be easily obtained)
184
# it is important to store the reference you get, rather than looking it up
185
# repeatedly; that way your code will behave properly in the bzrlib test suite
186
# and from programs that do use multiple library contexts.
190
def initialize(setup_ui=True, stdin=None, stdout=None, stderr=None):
191
"""Set up everything needed for normal use of bzrlib.
193
Most applications that embed bzrlib, including bzr itself, should call
194
this function to initialize various subsystems.
196
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
202
go when this function returns.
204
:param setup_ui: If true (default) use a terminal UI; otherwise
205
some other ui_factory must be assigned to `bzrlib.ui.ui_factory` by
207
:param stdin, stdout, stderr: If provided, use these for terminal IO;
208
otherwise use the files in `sys`.
209
:return: A context manager for the use of bzrlib. The __exit__
210
should be called by the caller before exiting their process or
211
otherwise stopping use of bzrlib. Advanced callers can use
212
BzrLibraryState directly.
214
from bzrlib import library_state, trace
217
stdin = stdin or sys.stdin
218
stdout = stdout or sys.stdout
219
stderr = stderr or sys.stderr
220
ui_factory = bzrlib.ui.make_ui_for_terminal(stdin, stdout, stderr)
223
tracer = trace.DefaultConfig()
224
state = library_state.BzrLibraryState(ui=ui_factory, trace=tracer)
225
# Start automatically in case people don't realize this returns a context.
98
# allow bzrlib plugins to be imported.
100
bzrlib.plugin.set_plugins_path()
230
103
def test_suite():