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# 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 bugdir
import plugin
import locale
import os
import optparse
from textwrap import TextWrapper
from StringIO import StringIO
import utility
def unique_name(bug, bugs):
"""
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 some_bug in bugs:
if bug.uuid == some_bug.uuid:
continue
while (bug.uuid[:chars] == some_bug.uuid[:chars]):
chars+=1
return bug.uuid[:chars]
class UserError(Exception):
def __init__(self, msg):
Exception.__init__(self, msg)
class UserErrorWrap(UserError):
def __init__(self, exception):
UserError.__init__(self, str(exception))
self.exception = exception
def get_bug(spec, bug_dir=None):
matches = []
try:
if bug_dir is None:
bug_dir = bugdir.tree_root('.')
except bugdir.NoBugDir, e:
raise UserErrorWrap(e)
bugs = list(bug_dir.list())
for bug in bugs:
if bug.uuid.startswith(spec):
matches.append(bug)
if len(matches) > 1:
raise UserError("More than one bug matches %s. Please be more"
" specific." % spec)
if len(matches) == 1:
return matches[0]
matches = []
if len(matches) == 0:
raise UserError("No bug matches %s" % spec)
return matches[0]
def iter_commands():
for name, module in plugin.iter_plugins("becommands"):
yield name.replace("_", "-"), module
def get_command(command_name):
"""Retrieves the module for a user command
>>> get_command("asdf")
Traceback (most recent call last):
UserError: Unknown command asdf
>>> repr(get_command("list")).startswith("<module 'becommands.list' from ")
True
"""
cmd = plugin.get_plugin("becommands", command_name.replace("-", "_"))
if cmd is None:
raise UserError("Unknown command %s" % command_name)
return cmd
def execute(cmd, args):
encoding = locale.getpreferredencoding() or 'ascii'
return get_command(cmd).execute([a.decode(encoding) for a in args])
def help(cmd):
return get_command(cmd).help()
class GetHelp(Exception):
pass
class UsageError(Exception):
pass
def raise_get_help(option, opt, value, parser):
raise GetHelp
def iter_comment_name(bug, unique_name):
"""Iterate through id, comment pairs, in date order.
(This is a user-friendly id, not the comment uuid)
"""
def key(comment):
return comment.time
for num, comment in enumerate(sorted(bug.list_comments(), key=key)):
yield ("%s:%d" % (unique_name, num+1), comment)
def comment_from_name(bug, unique_name, name):
"""Use a comment name to look up a comment"""
for cur_name, comment in iter_comment_name(bug, unique_name):
if name == cur_name:
return comment
raise KeyError(name)
def get_bug_and_comment(identifier, bug_dir=None):
ids = identifier.split(':')
bug = get_bug(ids[0], bug_dir)
if len(ids) == 2:
comment = comment_from_name(bug, ids[0], identifier)
else:
comment = None
return bug, comment
class CmdOptionParser(optparse.OptionParser):
def __init__(self, usage):
optparse.OptionParser.__init__(self, usage)
self.remove_option("-h")
self.add_option("-h", "--help", action="callback",
callback=raise_get_help, help="Print a help message")
def error(self, message):
raise UsageError(message)
def iter_options(self):
return iter_combine([self._short_opt.iterkeys(),
self._long_opt.iterkeys()])
def help_str(self):
fs = utility.FileString()
self.print_help(fs)
return fs.str
def underlined(instring):
"""Produces a version of a string that is underlined with '='
>>> underlined("Underlined String")
'Underlined String\\n================='
"""
return "%s\n%s" % (instring, "="*len(instring))
def print_threaded_comments(comments, name_map, indent=""):
"""Print a threaded display of comments"""
tw = TextWrapper(initial_indent = indent, subsequent_indent = indent,
width=80)
for comment, children in comments:
s = StringIO()
print >> s, "--------- Comment ---------"
print >> s, "Name: %s" % name_map[comment.uuid]
print >> s, "From: %s" % comment.From
print >> s, "Date: %s\n" % utility.time_to_str(comment.time)
print >> s, comment.body.rstrip('\n')
s.seek(0)
for line in s:
print tw.fill(line).rstrip('\n')
print_threaded_comments(children, name_map, indent=indent+" ")
def bug_tree(dir=None):
"""Retrieve the bug tree specified by the user. If no directory is
specified, the current working directory is used.
:param dir: The directory to search for the bug tree in.
>>> bug_tree() is not None
True
>>> bug_tree("/")
Traceback (most recent call last):
UserErrorWrap: The directory "/" has no bug directory.
"""
if dir is None:
dir = os.getcwd()
try:
return bugdir.tree_root(dir)
except bugdir.NoBugDir, e:
raise UserErrorWrap(e)
def print_command_list():
cmdlist = []
print """Bugs Everywhere - Distributed bug tracking
Supported commands"""
for name, module in iter_commands():
cmdlist.append((name, module.__doc__))
for name, desc in cmdlist:
print "be %s\n %s" % (name, desc)
def _test():
import doctest
import sys
doctest.testmod()
if __name__ == "__main__":
_test()
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