def test_regression_bh_539(self):
tracadmin = AdminCommandManager(self.env)
self.assertTrue(self.env[self.component_class] is None,
"Expected component disabled")
self.assertFalse(
any(
isinstance(c, self.component_class)
for c in tracadmin.providers),
"Component erroneously listed in admin cmd providers")
self.assertEqual([], tracadmin.get_command_help(args=['fail']))
# Enable component in both global and product context
cmd_args = ['config', 'set', 'components', __name__ + '.*', 'enabled']
AdminCommandManager(self.global_env).execute_command(*cmd_args)
tracadmin.execute_command(*cmd_args)
self.assertTrue(self.env[self.component_class] is not None,
"Expected component enabled")
self.assertTrue(
any(
isinstance(c, self.component_class)
for c in tracadmin.providers),
"Component not listed in admin cmd providers")
self.assertEqual(1, len(tracadmin.get_command_help(args=['fail'])))
def test_regression_bh_539_concurrent(self):
try:
# It is necessary to load another environment object to work around
# ProductEnvironment class' parametric singleton constraint
old_env = self.env
# In-memory DB has to be shared
self.global_env.__class__.global_databasemanager = \
self.env.global_databasemanager
new_global_env = self._setup_test_env(create_folder=True,
path=self.global_env.path)
self.env = old_env
self._setup_test_log(new_global_env)
# FIXME: EnvironmentStub config is not bound to a real file
# ... so let's reuse one config for both envs to simulate that they
# are in sync, a condition verified in another test case
new_global_env.config = self.global_env.config
new_env = ProductEnvironment(new_global_env, self.default_product)
self.assertTrue(new_global_env is not self.global_env)
self.assertTrue(new_env is not self.env)
self.assertEqual(self.env.path, new_env.path)
self.assertEqual(self.env.config._lock_path,
new_env.config._lock_path)
tracadmin = AdminCommandManager(self.env)
new_tracadmin = AdminCommandManager(new_env)
# Assertions for self.env
self.assertTrue(self.env[self.component_class] is None,
"Expected component disabled")
self.assertFalse(
any(
isinstance(c, self.component_class)
for c in tracadmin.providers),
"Component erroneously listed in admin cmd "
"providers")
self.assertEqual([], tracadmin.get_command_help(args=['fail']))
# Repeat assertions for new_env
self.assertTrue(new_env[self.component_class] is None,
"Expected component disabled")
self.assertFalse(
any(
isinstance(c, self.component_class)
for c in new_tracadmin.providers),
"Component erroneously listed in admin cmd "
"providers")
self.assertEqual([], new_tracadmin.get_command_help(args=['fail']))
# Enable component in both self.global_env and self.env contexts
cmd_args = [
'config', 'set', 'components', __name__ + '.*', 'enabled'
]
AdminCommandManager(self.global_env).execute_command(*cmd_args)
tracadmin.execute_command(*cmd_args)
# Assert that changes are auto-magically reflected in new_env
self.assertTrue(new_env[self.component_class] is not None,
"Expected component enabled")
self.assertTrue(
any(
isinstance(c, self.component_class)
for c in new_tracadmin.providers),
"Component not listed in admin cmd providers")
self.assertEqual(
1, len(new_tracadmin.get_command_help(args=['fail'])))
finally:
self.global_env.__class__.global_databasemanager = None
new_global_env = new_env = None
class TracAdmin(cmd.Cmd):
intro = ''
doc_header = 'Trac Admin Console %(version)s\n' \
'Available Commands:\n' \
% {'version': TRAC_VERSION}
ruler = ''
prompt = "Trac> "
envname = None
__env = None
needs_upgrade = None
cmd_mgr = None
def __init__(self, envdir=None):
cmd.Cmd.__init__(self)
try:
import readline
delims = readline.get_completer_delims()
for c in '-/:()\\':
delims = delims.replace(c, '')
readline.set_completer_delims(delims)
# Work around trailing space automatically inserted by libreadline
# until Python gets fixed, see http://bugs.python.org/issue5833
import ctypes
lib_name = find_readline_lib()
if lib_name is not None:
lib = ctypes.cdll.LoadLibrary(lib_name)
global rl_completion_suppress_append
rl_completion_suppress_append = ctypes.c_int.in_dll(lib,
"rl_completion_suppress_append")
except Exception:
pass
self.interactive = False
if envdir:
self.env_set(os.path.abspath(envdir))
def emptyline(self):
pass
def onecmd(self, line):
"""`line` may be a `str` or an `unicode` object"""
try:
if isinstance(line, str):
if self.interactive:
encoding = sys.stdin.encoding
else:
encoding = getpreferredencoding() # sys.argv
line = to_unicode(line, encoding)
if self.interactive:
line = line.replace('\\', '\\\\')
rv = cmd.Cmd.onecmd(self, line) or 0
except SystemExit:
raise
except AdminCommandError as e:
printerr(_("Error: %(msg)s", msg=to_unicode(e)))
if e.show_usage:
print
self.do_help(e.cmd or self.arg_tokenize(line)[0])
rv = 2
except TracError as e:
printerr(exception_to_unicode(e))
rv = 2
except Exception as e:
printerr(exception_to_unicode(e))
rv = 2
if self.env_check():
self.env.log.error("Exception in trac-admin command: %s",
exception_to_unicode(e, traceback=True))
if not self.interactive:
return rv
def run(self):
self.interactive = True
printout(_("""Welcome to trac-admin %(version)s
Interactive Trac administration console.
Copyright (C) 2003-2013 Edgewall Software
Type: '?' or 'help' for help on commands.
""", version=TRAC_VERSION))
self.cmdloop()
##
## Environment methods
##
def env_set(self, envname, env=None):
self.envname = envname
self.prompt = "Trac [%s]> " % self.envname
if env is not None:
self.__env = env
self.cmd_mgr = AdminCommandManager(env)
def env_check(self):
if not self.__env:
try:
self._init_env()
except Exception:
return False
return True
@property
def env(self):
try:
if not self.__env:
self._init_env()
return self.__env
except Exception as e:
printerr(_("Failed to open environment: %(err)s",
err=exception_to_unicode(e, traceback=True)))
sys.exit(1)
def _init_env(self):
self.__env = env = Environment(self.envname)
negotiated = None
# fixup language according to env settings
if has_babel:
negotiated = get_console_locale(env)
if negotiated:
translation.activate(negotiated)
self.cmd_mgr = AdminCommandManager(env)
##
## Utility methods
##
def arg_tokenize(self, argstr):
"""`argstr` is an `unicode` string
... but shlex is not unicode friendly.
"""
lex = shlex(argstr.encode('utf-8'), posix=True)
lex.whitespace_split = True
lex.commenters = ''
if os.name == 'nt':
lex.escape = ''
return [unicode(token, 'utf-8') for token in lex] or ['']
def word_complete(self, text, words):
words = list(set(a for a in words if a.startswith(text)))
if len(words) == 1:
words[0] += ' ' # Only one choice, skip to next arg
return words
@staticmethod
def split_help_text(text):
import re
paragraphs = re.split(r'(?m)(?:^[ \t]*\n){1,}', text)
return [re.sub(r'(?m)\s+', ' ', each.strip())
for each in paragraphs]
@classmethod
def print_doc(cls, docs, stream=None, short=False, long=False):
if stream is None:
stream = sys.stdout
docs = [doc for doc in docs if doc[2]]
if not docs:
return
if short:
max_len = max(len(doc[0]) for doc in docs)
for (cmd, args, doc) in docs:
paragraphs = cls.split_help_text(doc)
console_print(stream, '%s %s' % (cmd.ljust(max_len),
paragraphs[0]))
else:
import textwrap
for (cmd, args, doc) in docs:
paragraphs = cls.split_help_text(doc)
console_print(stream, '%s %s\n' % (cmd, args))
console_print(stream, ' %s\n' % paragraphs[0])
if (long or len(docs) == 1) and len(paragraphs) > 1:
for paragraph in paragraphs[1:]:
console_print(stream, textwrap.fill(paragraph, 79,
initial_indent=' ', subsequent_indent=' ')
+ '\n')
##
## Command dispatcher
##
def complete_line(self, text, line, cmd_only=False):
if rl_completion_suppress_append is not None:
rl_completion_suppress_append.value = 1
args = self.arg_tokenize(line)
if line and line[-1] == ' ': # Space starts new argument
args.append('')
if self.env_check():
try:
comp = self.cmd_mgr.complete_command(args, cmd_only)
except Exception as e:
printerr()
printerr(_('Completion error: %(err)s',
err=exception_to_unicode(e)))
self.env.log.error("trac-admin completion error: %s",
exception_to_unicode(e, traceback=True))
comp = []
if len(args) == 1:
comp.extend(name[3:] for name in self.get_names()
if name.startswith('do_'))
try:
return comp.complete(text)
except AttributeError:
return self.word_complete(text, comp)
def completenames(self, text, line, begidx, endidx):
return self.complete_line(text, line, True)
def completedefault(self, text, line, begidx, endidx):
return self.complete_line(text, line)
def default(self, line):
try:
if not self.__env:
self._init_env()
if self.needs_upgrade is None:
self.needs_upgrade = self.__env.needs_upgrade()
except TracError as e:
raise AdminCommandError(to_unicode(e))
except Exception as e:
raise AdminCommandError(exception_to_unicode(e))
args = self.arg_tokenize(line)
if args[0] == 'upgrade':
self.needs_upgrade = None
elif self.needs_upgrade:
raise TracError(_('The Trac Environment needs to be upgraded.\n\n'
'Run "trac-admin %(path)s upgrade"',
path=self.envname))
return self.cmd_mgr.execute_command(*args)
##
## Available Commands
##
## Help
_help_help = [('help', '', 'Show documentation')]
@classmethod
def all_docs(cls, env=None):
docs = (cls._help_help + cls._help_initenv)
if env is not None:
docs.extend(AdminCommandManager(env).get_command_help())
return docs
def complete_help(self, text, line, begidx, endidx):
return self.complete_line(text, line[5:], True)
def do_help(self, line=None):
arg = self.arg_tokenize(line)
if arg[0]:
cmd_mgr = None
doc = getattr(self, "_help_" + arg[0], None)
if doc is None and self.env_check():
cmd_mgr = self.cmd_mgr
doc = cmd_mgr.get_command_help(arg)
if doc:
self.print_doc(doc)
else:
printerr(_("No documentation found for '%(cmd)s'."
" Use 'help' to see the list of commands.",
cmd=' '.join(arg)))
cmds = None
if cmd_mgr:
cmds = cmd_mgr.get_similar_commands(arg[0])
if cmds:
printout('')
printout(ngettext("Did you mean this?",
"Did you mean one of these?",
len(cmds)))
for cmd in cmds:
printout(' ' + cmd)
else:
printout(_("trac-admin - The Trac Administration Console "
"%(version)s", version=TRAC_VERSION))
if not self.interactive:
print
printout(_("Usage: trac-admin </path/to/projenv> "
"[command [subcommand] [option ...]]\n")
)
printout(_("Invoking trac-admin without command starts "
"interactive mode.\n"))
env = self.env if self.env_check() else None
self.print_doc(self.all_docs(env), short=True)
## Quit / EOF
_help_quit = [('quit', '', 'Exit the program')]
_help_exit = _help_quit
_help_EOF = _help_quit
def do_quit(self, line):
print
sys.exit()
do_exit = do_quit # Alias
do_EOF = do_quit # Alias
## Initenv
_help_initenv = [
('initenv', '[<projectname> <db> [<repostype> <repospath>]]',
"""Create and initialize a new environment
If no arguments are given, then the required parameters are requested
interactively.
One or more optional arguments --inherit=PATH can be used to specify
the "[inherit] file" option at environment creation time, so that only
the options not already specified in one of the global configuration
files are written to the conf/trac.ini file of the newly created
environment. Relative paths are resolved relative to the "conf"
directory of the new environment.
""")]
def do_initdb(self, line):
self.do_initenv(line)
def get_initenv_args(self):
returnvals = []
printout(_("Creating a new Trac environment at %(envname)s",
envname=self.envname))
printout(_("""
Trac will first ask a few questions about your environment
in order to initialize and prepare the project database.
Please enter the name of your project.
This name will be used in page titles and descriptions.
"""))
dp = 'My Project'
returnvals.append(raw_input(_("Project Name [%(default)s]> ",
default=dp)).strip() or dp)
printout(_("""
Please specify the connection string for the database to use.
By default, a local SQLite database is created in the environment
directory. It is also possible to use an already existing
PostgreSQL database (check the Trac documentation for the exact
connection string syntax).
"""))
ddb = 'sqlite:db/trac.db'
prompt = _("Database connection string [%(default)s]> ", default=ddb)
returnvals.append(raw_input(prompt).strip() or ddb)
print
return returnvals
def do_initenv(self, line):
def initenv_error(msg):
printerr(_("Initenv for '%(env)s' failed.", env=self.envname),
"\n" + msg)
if self.env_check():
initenv_error(_("Does an environment already exist?"))
return 2
if os.path.exists(self.envname) and os.listdir(self.envname):
initenv_error(_("Directory exists and is not empty."))
return 2
if not os.path.exists(os.path.dirname(self.envname)):
initenv_error(_("Base directory '%(env)s' does not exist. Please "
"create it manually and retry.",
env=os.path.dirname(self.envname)))
return 2
arg = self.arg_tokenize(line)
inherit_paths = []
i = 0
while i < len(arg):
item = arg[i]
if item.startswith('--inherit='):
inherit_paths.append(arg.pop(i)[10:])
else:
i += 1
arg = arg or [''] # Reset to usual empty in case we popped the only one
project_name = None
db_str = None
repository_type = None
repository_dir = None
if len(arg) == 1 and not arg[0]:
project_name, db_str = self.get_initenv_args()
elif len(arg) == 2:
project_name, db_str = arg
elif len(arg) == 4:
project_name, db_str, repository_type, repository_dir = arg
else:
initenv_error('Wrong number of arguments: %d' % len(arg))
return 2
try:
printout(_("Creating and Initializing Project"))
options = [
('project', 'name', project_name),
('trac', 'database', db_str),
]
if repository_dir:
options.extend([
('trac', 'repository_type', repository_type),
('trac', 'repository_dir', repository_dir),
])
if inherit_paths:
options.append(('inherit', 'file',
",\n ".join(inherit_paths)))
try:
self.__env = Environment(self.envname, create=True,
options=options)
except Exception as e:
initenv_error(_('Failed to create environment.'))
printerr(e)
traceback.print_exc()
sys.exit(1)
# Add a few default wiki pages
printout(_(" Installing default wiki pages"))
pages_dir = pkg_resources.resource_filename('trac.wiki',
'default-pages')
WikiAdmin(self.__env).load_pages(pages_dir)
if repository_dir:
try:
repos = RepositoryManager(self.__env).get_repository('')
if repos:
printout(_(" Indexing default repository"))
repos.sync(self._resync_feedback)
except TracError as e:
printerr(_("""
---------------------------------------------------------------------
Warning: couldn't index the default repository.
This can happen for a variety of reasons: wrong repository type,
no appropriate third party library for this repository type,
no actual repository at the specified repository path...
You can nevertheless start using your Trac environment, but
you'll need to check again your trac.ini file and the [trac]
repository_type and repository_path settings.
"""))
except Exception as e:
initenv_error(to_unicode(e))
traceback.print_exc()
return 2
printout(_("""
---------------------------------------------------------------------
Project environment for '%(project_name)s' created.
You may now configure the environment by editing the file:
%(config_path)s
If you'd like to take this new project environment for a test drive,
try running the Trac standalone web server `tracd`:
tracd --port 8000 %(project_path)s
Then point your browser to http://localhost:8000/%(project_dir)s.
There you can also browse the documentation for your installed
version of Trac, including information on further setup (such as
deploying Trac to a real web server).
The latest documentation can also always be found on the project
website:
http://trac.edgewall.org/
Congratulations!
""", project_name=project_name, project_path=self.envname,
project_dir=os.path.basename(self.envname),
config_path=os.path.join(self.envname, 'conf', 'trac.ini')))
def _resync_feedback(self, rev):
sys.stdout.write(' [%s]\r' % rev)
sys.stdout.flush()