52
51
from bzrlib import plugins as _mod_plugins
55
from bzrlib.symbol_versioning import (
61
55
DEFAULT_PLUGIN_PATH = None
63
57
_plugins_disabled = False
61
# Map from plugin name, to list of string warnings about eg plugin
66
65
def are_plugins_disabled():
67
66
return _plugins_disabled
79
def describe_plugins(show_paths=False):
80
"""Generate text description of plugins.
82
Includes both those that have loaded, and those that failed to
85
:param show_paths: If true,
86
:returns: Iterator of text lines (including newlines.)
88
from inspect import getdoc
89
loaded_plugins = plugins()
90
all_names = sorted(list(set(
91
loaded_plugins.keys() + plugin_warnings.keys())))
92
for name in all_names:
93
if name in loaded_plugins:
94
plugin = loaded_plugins[name]
95
version = plugin.__version__
96
if version == 'unknown':
98
yield '%s %s\n' % (name, version)
99
d = getdoc(plugin.module)
101
doc = d.split('\n')[0]
103
doc = '(no description)'
104
yield (" %s\n" % doc)
106
yield (" %s\n" % plugin.path())
109
yield "%s (failed to load)\n" % name
110
if name in plugin_warnings:
111
for line in plugin_warnings[name]:
112
yield " ** " + line + '\n'
80
116
def _strip_trailing_sep(path):
81
117
return path.rstrip("\\/")
120
def _get_specific_plugin_paths(paths):
121
"""Returns the plugin paths from a string describing the associations.
123
:param paths: A string describing the paths associated with the plugins.
125
:returns: A list of (plugin name, path) tuples.
127
For example, if paths is my_plugin@/test/my-test:her_plugin@/production/her,
128
[('my_plugin', '/test/my-test'), ('her_plugin', '/production/her')]
131
Note that ':' in the example above depends on the os.
136
for spec in paths.split(os.pathsep):
138
name, path = spec.split('@')
140
raise errors.BzrCommandError(
141
'"%s" is not a valid <plugin_name>@<plugin_path> description '
143
specs.append((name, path))
84
147
def set_plugins_path(path=None):
85
148
"""Set the path for plugins to be loaded from.
98
161
for name in disabled_plugins.split(os.pathsep):
99
162
PluginImporter.blacklist.add('bzrlib.plugins.' + name)
100
163
# Set up a the specific paths for plugins
101
specific_plugins = os.environ.get('BZR_PLUGINS_AT', None)
102
if specific_plugins is not None:
103
for spec in specific_plugins.split(os.pathsep):
104
plugin_name, plugin_path = spec.split('@')
164
for plugin_name, plugin_path in _get_specific_plugin_paths(os.environ.get(
165
'BZR_PLUGINS_AT', None)):
105
166
PluginImporter.specific_paths[
106
167
'bzrlib.plugins.%s' % plugin_name] = plugin_path
302
363
return None, None, (None, None, None)
366
def record_plugin_warning(plugin_name, warning_message):
367
trace.mutter(warning_message)
368
plugin_warnings.setdefault(plugin_name, []).append(warning_message)
305
371
def _load_plugin_module(name, dir):
306
372
"""Load plugin name from dir.
315
381
except KeyboardInterrupt:
317
383
except errors.IncompatibleAPI, e:
318
trace.warning("Unable to load plugin %r. It requested API version "
385
"Unable to load plugin %r. It requested API version "
319
386
"%s of module %s but the minimum exported version is %s, and "
320
387
"the maximum is %s" %
321
388
(name, e.wanted, e.api, e.minimum, e.current))
389
record_plugin_warning(name, warning_message)
322
390
except Exception, e:
323
391
trace.warning("%s" % e)
324
392
if re.search('\.|-| ', name):
329
397
"file path isn't a valid module name; try renaming "
330
398
"it to %r." % (name, dir, sanitised_name))
332
trace.warning('Unable to load plugin %r from %r' % (name, dir))
400
record_plugin_warning(
402
'Unable to load plugin %r from %r' % (name, dir))
333
403
trace.log_exception_quietly()
334
404
if 'error' in debug.debug_flags:
335
405
trace.print_exception(sys.exc_info(), sys.stderr)
448
def format_concise_plugin_list():
449
"""Return a string holding a concise list of plugins and their version.
452
for name, a_plugin in sorted(plugins().items()):
453
items.append("%s[%s]" %
454
(name, a_plugin.__version__))
455
return ', '.join(items)
378
459
class PluginsHelpIndex(object):
379
460
"""A help index that returns help topics for plugins."""
562
643
# We are called only for specific paths
563
644
plugin_path = self.specific_paths[fullname]
564
645
loading_path = None
566
646
if os.path.isdir(plugin_path):
567
647
for suffix, mode, kind in imp.get_suffixes():
568
648
if kind not in (imp.PY_SOURCE, imp.PY_COMPILED):
571
651
init_path = osutils.pathjoin(plugin_path, '__init__' + suffix)
572
652
if os.path.isfile(init_path):
573
loading_path = init_path
653
# We've got a module here and load_module needs specific
655
loading_path = plugin_path
658
kind = imp.PKG_DIRECTORY
577
661
for suffix, mode, kind in imp.get_suffixes():
581
665
if loading_path is None:
582
666
raise ImportError('%s cannot be loaded from %s'
583
667
% (fullname, plugin_path))
584
f = open(loading_path, mode)
668
if kind is imp.PKG_DIRECTORY:
671
f = open(loading_path, mode)
586
673
mod = imp.load_module(fullname, f, loading_path,
587
674
(suffix, mode, kind))
589
# The plugin can contain modules, so be ready
590
mod.__path__ = [plugin_path]
591
675
mod.__package__ = fullname
597
682
# Install a dedicated importer for plugins requiring special handling