# Copyright (C) 2005 Aaron Bentley and Panometrics, Inc.
# <abentley@panoramicfeedback.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import os.path
import errno
import time
import copy
import unittest
import doctest
import mapfile
import bug
import utility
import rcs
class NoBugDir(Exception):
def __init__(self, path):
msg = "The directory \"%s\" has no bug directory." % path
Exception.__init__(self, msg)
self.path = path
class NoRootEntry(Exception):
def __init__(self, path):
self.path = path
Exception.__init__(self, "Specified root does not exist: %s" % path)
class AlreadyInitialized(Exception):
def __init__(self, path):
self.path = path
Exception.__init__(self,
"Specified root is already initialized: %s" % path)
class InvalidValue(ValueError):
def __init__(self, name, value):
msg = "Cannot assign value %s to %s" % (value, name)
Exception.__init__(self, msg)
self.name = name
self.value = value
class MultipleBugMatches(ValueError):
def __init__(self, shortname, matches):
msg = ("More than one bug matches %s. "
"Please be more specific.\n%s" % shortname, matches)
ValueError.__init__(self, msg)
self.shortname = shortnamename
self.matches = matches
TREE_VERSION_STRING = "Bugs Everywhere Tree 1 0\n"
def setting_property(name, valid=None, doc=None):
def getter(self):
value = self.settings.get(name)
if valid is not None:
if value not in valid and value != None:
raise InvalidValue(name, value)
return value
def setter(self, value):
if value != getter(self):
if valid is not None:
if value not in valid and value != None:
raise InvalidValue(name, value)
if value is None:
del self.settings[name]
else:
self.settings[name] = value
self._save_settings(self.get_path("settings"), self.settings)
return property(getter, setter, doc=doc)
class BugDir (list):
"""
File-system access:
When rooted in non-bugdir directory, BugDirs live completely in
memory until the first call to .save(). This creates a '.be'
sub-directory containing configurations options, bugs, comments,
etc. Once this sub-directory has been created (possibly by
another BugDir instance) any changes to the BugDir in memory will
be flushed to the file system automatically. However, the BugDir
will only load information from the file system when it loads new
bugs/comments that it doesn't already have in memory, or when it
explicitly asked to do so (e.g. .load() or __init__(from_disk=True)).
"""
def __init__(self, root=None, sink_to_existing_root=True,
assert_new_BugDir=False, allow_rcs_init=False,
from_disk=False, rcs=None):
list.__init__(self)
self._save_user_id = False
self.settings = {}
if root == None:
root = os.getcwd()
if sink_to_existing_root == True:
self.root = self._find_root(root)
else:
if not os.path.exists(root):
raise NoRootEntry(root)
self.root = root
if from_disk == True:
self.load()
else:
if assert_new_BugDir == True:
if os.path.exists(self.get_path()):
raise AlreadyInitialized, self.get_path()
if rcs == None:
rcs = self._guess_rcs(allow_rcs_init)
self.rcs = rcs
user_id = self.rcs.get_user_id()
def _find_root(self, path):
"""
Search for an existing bug database dir and it's ancestors and
return a BugDir rooted there.
"""
if not os.path.exists(path):
raise NoRootEntry(path)
versionfile = utility.search_parent_directories(path, os.path.join(".be", "version"))
if versionfile != None:
beroot = os.path.dirname(versionfile)
root = os.path.dirname(beroot)
return root
else:
beroot = utility.search_parent_directories(path, ".be")
if beroot == None:
raise NoBugDir(path)
return beroot
def get_version(self, path=None):
if self.rcs_name == None:
# Use a temporary RCS to check the version for the first time
RCS = rcs.rcs_by_name("None")
RCS.root(self.root)
else:
RCS = self.rcs
if path == None:
path = self.get_path("version")
tree_version = RCS.get_file_contents(path)
return tree_version
def set_version(self):
self.rcs.set_file_contents(self.get_path("version"),
TREE_VERSION_STRING)
rcs_name = setting_property("rcs_name",
("None", "bzr", "git", "Arch", "hg"),
doc=
"""The name of the current RCS. Kept seperate to make saving/loading
settings easy. Don't set this attribute. Set .rcs instead, and
.rcs_name will be automatically adjusted.""")
_rcs = None
def _get_rcs(self):
return self._rcs
def _set_rcs(self, new_rcs):
if new_rcs == None:
new_rcs = rcs.rcs_by_name("None")
self._rcs = new_rcs
new_rcs.root(self.root)
self.rcs_name = new_rcs.name
rcs = property(_get_rcs, _set_rcs,
doc="A revision control system (RCS) instance")
_user_id = setting_property("user_id", doc=
"""The user's prefered name. Kept seperate to make saving/loading
settings easy. Don't set this attribute. Set .user_id instead,
and ._user_id will be automatically adjusted. This setting is
only saved if ._save_user_id == True""")
def _get_user_id(self):
if self._user_id == None and self.rcs != None:
self._user_id = self.rcs.get_user_id()
return self._user_id
def _set_user_id(self, user_id):
if self.rcs != None:
self.rcs.user_id = user_id
self._user_id = user_id
user_id = property(_get_user_id, _set_user_id, doc=
"""The user's prefered name, e.g 'John Doe <jdoe@example.com>'. Note
that the Arch RCS backend *enforces* ids with this format.""")
target = setting_property("target",
doc="The current project development target")
def save_user_id(self, user_id=None):
if user_id == None:
user_id = self.user_id
self._save_user_id = True
self.user_id = user_id
def get_path(self, *args):
my_dir = os.path.join(self.root, ".be")
if len(args) == 0:
return my_dir
assert args[0] in ["version", "settings", "bugs"], str(args)
return os.path.join(my_dir, *args)
def _guess_rcs(self, allow_rcs_init=False):
deepdir = self.get_path()
if not os.path.exists(deepdir):
deepdir = os.path.dirname(deepdir)
new_rcs = rcs.detect_rcs(deepdir)
install = False
if new_rcs.name == "None":
if allow_rcs_init == True:
new_rcs = rcs.installed_rcs()
new_rcs.init(self.root)
self.rcs = new_rcs
return new_rcs
def load(self):
version = self.get_version()
if version != TREE_VERSION_STRING:
raise NotImplementedError, \
"BugDir cannot handle version '%s' yet." % version
else:
if not os.path.exists(self.get_path()):
raise NoBugDir(self.get_path())
self.settings = self._get_settings(self.get_path("settings"))
self.rcs = rcs.rcs_by_name(self.rcs_name)
if self.settings.get("user_id") != None:
self.save_user_id() # was a user name in the settings file
self._bug_map_gen()
def load_all_bugs(self):
"Warning: this could take a while."
self._clear_bugs()
for uuid in self.list_uuids():
self._load_bug(uuid)
def save(self):
self.rcs.mkdir(self.get_path())
self.set_version()
self._save_settings(self.get_path("settings"), self.settings)
self.rcs.mkdir(self.get_path("bugs"))
for bug in self:
bug.save()
def _get_settings(self, settings_path):
if self.rcs_name == None:
# Use a temporary RCS to loading settings the first time
RCS = rcs.rcs_by_name("None")
RCS.root(self.root)
else:
RCS = self.rcs
allow_no_rcs = not RCS.path_in_root(settings_path)
# allow_no_rcs=True should only be for the special case of
# configuring duplicate bugdir settings
try:
settings = mapfile.map_load(RCS, settings_path, allow_no_rcs)
except rcs.NoSuchFile:
settings = {"rcs_name": "None"}
return settings
def _save_settings(self, settings_path, settings):
this_dir_path = os.path.realpath(self.get_path("settings"))
if os.path.realpath(settings_path) == this_dir_path:
if not os.path.exists(self.get_path()):
# don't save settings until the bug directory has been
# initialized. this initialization happens the first time
# a bug directory is saved (BugDir.save()). If the user
# is just working with a BugDir in memory, we don't want
# to go cluttering up his file system with settings files.
return
if self._save_user_id == False:
if "user_id" in settings:
settings = copy.copy(settings)
del settings["user_id"]
allow_no_rcs = not self.rcs.path_in_root(settings_path)
# allow_no_rcs=True should only be for the special case of
# configuring duplicate bugdir settings
mapfile.map_save(self.rcs, settings_path, settings, allow_no_rcs)
def duplicate_bugdir(self, revision):
duplicate_path = self.rcs.duplicate_repo(revision)
# setup revision RCS as None, since the duplicate may not be
# initialized for versioning
duplicate_settings_path = os.path.join(duplicate_path,
".be", "settings")
duplicate_settings = self._get_settings(duplicate_settings_path)
if "rcs_name" in duplicate_settings:
duplicate_settings["rcs_name"] = "None"
duplicate_settings["user_id"] = self.user_id
self._save_settings(duplicate_settings_path, duplicate_settings)
return BugDir(duplicate_path, from_disk=True)
def remove_duplicate_bugdir(self):
self.rcs.remove_duplicate_repo()
def _bug_map_gen(self):
map = {}
for bug in self:
map[bug.uuid] = bug
for uuid in self.list_uuids():
if uuid not in map:
map[uuid] = None
self._bug_map = map
def list_uuids(self):
uuids = []
if os.path.exists(self.get_path()):
# list the uuids on disk
for uuid in os.listdir(self.get_path("bugs")):
if not (uuid.startswith('.')):
uuids.append(uuid)
yield uuid
# and the ones that are still just in memory
for bug in self:
if bug.uuid not in uuids:
uuids.append(bug.uuid)
yield bug.uuid
def _clear_bugs(self):
while len(self) > 0:
self.pop()
def _load_bug(self, uuid):
bg = bug.Bug(bugdir=self, uuid=uuid, from_disk=True)
self.append(bg)
self._bug_map_gen()
return bg
def new_bug(self, uuid=None, summary=None):
bg = bug.Bug(bugdir=self, uuid=uuid, summary=summary)
self.append(bg)
self._bug_map_gen()
return bg
def remove_bug(self, bug):
self.remove(bug)
bug.remove()
def bug_shortname(self, bug):
"""
Generate short names from uuids. Picks the minimum number of
characters (>=3) from the beginning of the uuid such that the
short names are unique.
Obviously, as the number of bugs in the database grows, these
short names will cease to be unique. The complete uuid should be
used for long term reference.
"""
chars = 3
for uuid in self._bug_map.keys():
if bug.uuid == uuid:
continue
while (bug.uuid[:chars] == uuid[:chars]):
chars+=1
return bug.uuid[:chars]
def bug_from_shortname(self, shortname):
"""
>>> bd = simple_bug_dir()
>>> bug_a = bd.bug_from_shortname('a')
>>> print type(bug_a)
<class 'libbe.bug.Bug'>
>>> print bug_a
a:om: Bug A
"""
matches = []
self._bug_map_gen()
for uuid in self._bug_map.keys():
if uuid.startswith(shortname):
matches.append(uuid)
if len(matches) > 1:
raise MultipleBugMatches(shortname, matches)
if len(matches) == 1:
return self.bug_from_uuid(matches[0])
raise KeyError("No bug matches %s" % shortname)
def bug_from_uuid(self, uuid):
if not self.has_bug(uuid):
raise KeyError("No bug matches %s\n bug map: %s\n root: %s" \
% (uuid, self._bug_map, self.root))
if self._bug_map[uuid] == None:
self._load_bug(uuid)
return self._bug_map[uuid]
def has_bug(self, bug_uuid):
if bug_uuid not in self._bug_map:
self._bug_map_gen()
if bug_uuid not in self._bug_map:
return False
return True
def simple_bug_dir():
"""
For testing
>>> bugdir = simple_bug_dir()
>>> ls = list(bugdir.list_uuids())
>>> ls.sort()
>>> print ls
['a', 'b']
"""
dir = utility.Dir()
assert os.path.exists(dir.path)
bugdir = BugDir(dir.path, sink_to_existing_root=False, allow_rcs_init=True)
bugdir._dir_ref = dir # postpone cleanup since dir.__del__() removes dir.
bug_a = bugdir.new_bug("a", summary="Bug A")
bug_a.creator = "John Doe <jdoe@example.com>"
bug_a.time = 0
bug_b = bugdir.new_bug("b", summary="Bug B")
bug_b.creator = "Jane Doe <jdoe@example.com>"
bug_b.time = 0
bug_b.status = "closed"
bugdir.save()
return bugdir
class BugDirTestCase(unittest.TestCase):
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
def setUp(self):
self.dir = utility.Dir()
self.bugdir = BugDir(self.dir.path, sink_to_existing_root=False,
allow_rcs_init=True)
self.rcs = self.bugdir.rcs
def tearDown(self):
self.rcs.cleanup()
self.dir.cleanup()
def fullPath(self, path):
return os.path.join(self.dir.path, path)
def assertPathExists(self, path):
fullpath = self.fullPath(path)
self.failUnless(os.path.exists(fullpath)==True,
"path %s does not exist" % fullpath)
self.assertRaises(AlreadyInitialized, BugDir,
self.dir.path, assertNewBugDir=True)
def versionTest(self):
if self.rcs.versioned == False:
return
original = self.bugdir.rcs.commit("Began versioning")
bugA = self.bugdir.bug_from_uuid("a")
bugA.status = "fixed"
self.bugdir.save()
new = self.rcs.commit("Fixed bug a")
dupdir = self.bugdir.duplicate_bugdir(original)
self.failUnless(dupdir.root != self.bugdir.root,
"%s, %s" % (dupdir.root, self.bugdir.root))
bugAorig = dupdir.bug_from_uuid("a")
self.failUnless(bugA != bugAorig,
"\n%s\n%s" % (bugA.string(), bugAorig.string()))
bugAorig.status = "fixed"
self.failUnless(bug.cmp_status(bugA, bugAorig)==0,
"%s, %s" % (bugA.status, bugAorig.status))
self.failUnless(bug.cmp_severity(bugA, bugAorig)==0,
"%s, %s" % (bugA.severity, bugAorig.severity))
self.failUnless(bug.cmp_assigned(bugA, bugAorig)==0,
"%s, %s" % (bugA.assigned, bugAorig.assigned))
self.failUnless(bug.cmp_time(bugA, bugAorig)==0,
"%s, %s" % (bugA.time, bugAorig.time))
self.failUnless(bug.cmp_creator(bugA, bugAorig)==0,
"%s, %s" % (bugA.creator, bugAorig.creator))
self.failUnless(bugA == bugAorig,
"\n%s\n%s" % (bugA.string(), bugAorig.string()))
self.bugdir.remove_duplicate_bugdir()
self.failUnless(os.path.exists(dupdir.root)==False, str(dupdir.root))
def testRun(self):
self.bugdir.new_bug(uuid="a", summary="Ant")
self.bugdir.new_bug(uuid="b", summary="Cockroach")
self.bugdir.new_bug(uuid="c", summary="Praying mantis")
length = len(self.bugdir)
self.failUnless(length == 3, "%d != 3 bugs" % length)
uuids = list(self.bugdir.list_uuids())
self.failUnless(len(uuids) == 3, "%d != 3 uuids" % len(uuids))
self.failUnless(uuids == ["a","b","c"], str(uuids))
bugA = self.bugdir.bug_from_uuid("a")
bugAprime = self.bugdir.bug_from_shortname("a")
self.failUnless(bugA == bugAprime, "%s != %s" % (bugA, bugAprime))
self.bugdir.save()
self.versionTest()
unitsuite = unittest.TestLoader().loadTestsFromTestCase(BugDirTestCase)
suite = unittest.TestSuite([unitsuite])#, doctest.DocTestSuite()])
