Source

trac-ticketlinks / trac / ticket / default_workflow.py

cboos 6bb67b8 

jonas d788457 
cboos 6bb67b8 














ecarter 8cd149f 

cboos 6bb67b8 



ecarter 8cd149f 

osimons 925fc92 
rblank a99f296 
rblank 4037cee 
rblank 76dbf41 
rblank 494aa93 
cboos 6bb67b8 
cboos aa16f40 
cboos 6bb67b8 







rblank 2ae674f 
cboos 6bb67b8 




rblank 2ae674f 
cboos 6bb67b8 






rblank 2ae674f 



cboos 6bb67b8 




rblank 2ae674f 
cboos 6bb67b8 
rblank 2ae674f 
cboos 6bb67b8 
rblank 2ae674f 
cboos 6bb67b8 
rblank 2ae674f 
cboos 6bb67b8 









ecarter 8cd149f 









cboos 6bb67b8 
cboos aa16f40 
cboos a71b892 
rblank b8fa8a9 



cboos a71b892 

cboos 6bb67b8 

osimons 925fc92 









cboos 9fe4354 

rblank 2ae674f 



cboos 6bb67b8 
ecarter 8cd149f 




osimons 6596679 






ecarter 8cd149f 











cboos 24d6c54 









cboos 5984f7b 
cboos 24d6c54 


ecarter 8cd149f 
cboos 6bb67b8 







ecarter 8eb47f1 



osimons 6736511 
cboos 6bb67b8 
rblank 1a5938b 
cboos 6bb67b8 





rblank 1a5938b 
cboos 6bb67b8 

osimons 925fc92 

rblank 1a5938b 
osimons 925fc92 

cboos 6bb67b8 

rblank 1a5938b 







cboos 6bb67b8 








rblank 2ae674f 
cboos 6bb67b8 






cboos a71b892 
cboos 6bb67b8 
osimons 6736511 
rblank 4037cee 





cboos 6bb67b8 

cboos a71b892 
osimons 925fc92 
ecarter e94b90f 
osimons 925fc92 
ecarter afc7673 
cboos 9fe4354 
cboos 6bb67b8 
ecarter b9ad911 
cboos 6bb67b8 
ecarter bdeea47 

cboos 9fe4354 

ecarter bdeea47 
cboos 6bb67b8 
ecarter bdeea47 
cboos 7ca8b6d 
ecarter bdeea47 



cboos 9fe4354 
rblank 7891ecb 
rblank 5d7d724 

rblank 66c08d9 

osimons 6736511 
ecarter bdeea47 
rblank a1206d1 

rblank 4037cee 
rblank a1206d1 
rblank 4037cee 
cboos dd2261f 
rblank 66c08d9 
osimons 6736511 

rblank 4037cee 
ecarter bdeea47 
rblank 7891ecb 
rblank c9f00e4 
rblank 111920a 
ecarter bdeea47 
rblank 7891ecb 
rblank 66c08d9 

osimons 6736511 
cboos dd2261f 
osimons 6736511 
rblank 66c08d9 
osimons 6736511 

ecarter bdeea47 

cboos 9fe4354 

cboos 6bb67b8 
rblank a99f296 
cboos eefee91 



rblank 5081dbf 
ecarter ad38aa9 
rblank 5081dbf 

rblank 76dbf41 
rblank 5081dbf 

jruigrok 598de25 

ecarter bdeea47 
cboos 6a8c557 

rblank 7891ecb 

rblank 111920a 

ecarter bdeea47 
rblank 7891ecb 
cboos 9fe4354 
ecarter a956304 

cboos 6bb67b8 
rblank 76dbf41 


cboos a71b892 

jruigrok 598de25 
cboos a71b892 
cboos 6bb67b8 

cboos a71b892 
cboos 6bb67b8 

osimons 244da04 
cboos 6bb67b8 

cboos a71b892 
cboos 6bb67b8 







osimons 925fc92 

ecarter 001c48f 
cboos 6bb67b8 

ecarter b9ad911 
ecarter 884055f 
cboos 6bb67b8 






ecarter 001c48f 
cboos 6bb67b8 

ecarter b9ad911 

ecarter 884055f 
cboos 6bb67b8 

ecarter 39a0bc0 
cboos a71b892 
cboos 6bb67b8 



osimons 244da04 
cboos 6bb67b8 


osimons 244da04 
cboos 6bb67b8 






















ecarter 39a0bc0 
cboos 6bb67b8 
ecarter c97ddd3 

cboos 6bb67b8 



ecarter c97ddd3 
osimons 244da04 
cboos 6bb67b8 
# -*- coding: utf-8 -*-
#
# Copyright (C) 2006-2009 Edgewall Software
# Copyright (C) 2006 Alec Thomas
# Copyright (C) 2007 Eli Carter
# Copyright (C) 2007 Christian Boos <cboos@neuf.fr>
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://trac.edgewall.org/wiki/TracLicense.
#
# This software consists of voluntary contributions made by many
# individuals. For the exact contribution history, see the revision
# history and logs, available at http://trac.edgewall.org/log/.
#
# Author: Eli Carter

import pkg_resources

from genshi.builder import tag

from trac.core import *
from trac.perm import PermissionSystem
from trac.env import IEnvironmentSetupParticipant
from trac.config import Configuration
from trac.ticket.api import ITicketActionController, TicketSystem
from trac.ticket.model import Resolution
from trac.util.text import obfuscate_email_address
from trac.util.translation import _, tag_
from trac.web.chrome import Chrome

# -- Utilities for the ConfigurableTicketWorkflow

def parse_workflow_config(rawactions):
    """Given a list of options from [ticket-workflow]"""
    actions = {}
    for option, value in rawactions:
        parts = option.split('.')
        action = parts[0]
        if action not in actions:
            actions[action] = {'oldstates': '', 'newstate': ''}
        if len(parts) == 1:
            # Base name, of the syntax: old,states,here -> newstate
            try:
                oldstates, newstate = [x.strip() for x in value.split('->')]
            except ValueError:
                continue # Syntax error, a warning will be logged later
            actions[action]['newstate'] = newstate
            actions[action]['oldstates'] = oldstates
        else:
            action, attribute = option.split('.')
            actions[action][attribute] = value
    # Fill in the defaults for every action, and normalize them to the desired
    # types
    def as_list(key):
        value = attributes.get(key, '')
        return [item for item in (x.strip() for x in value.split(',')) if item]
    
    for action, attributes in actions.items():
        # Default the 'name' attribute to the name used in the ini file
        if 'name' not in attributes:
            attributes['name'] = action
        # If not specified, an action is not the default.
        attributes['default'] = int(attributes.get('default', 0))
        # If operations are not specified, that means no operations
        attributes['operations'] = as_list('operations')
        # If no permissions are specified, then no permissions are needed
        attributes['permissions'] = as_list('permissions')
        # Normalize the oldstates
        attributes['oldstates'] = as_list('oldstates')
    return actions

def get_workflow_config(config):
    """Usually passed self.config, this will return the parsed ticket-workflow
    section.
    """
    raw_actions = list(config.options('ticket-workflow'))
    actions = parse_workflow_config(raw_actions)
    return actions

def load_workflow_config_snippet(config, filename):
    """Loads the ticket-workflow section from the given file (expected to be in
    the 'workflows' tree) into the provided config.
    """
    filename = pkg_resources.resource_filename('trac.ticket',
                    'workflows/%s' % filename)
    new_config = Configuration(filename)
    for name, value in new_config.options('ticket-workflow'):
        config.set('ticket-workflow', name, value)


class ConfigurableTicketWorkflow(Component):
    """Ticket action controller which provides actions according to a
    workflow defined in trac.ini.
    
    The workflow is idefined in the `[ticket-workflow]` section of the
    [wiki:TracIni#ticket-workflow-section trac.ini] configuration file.
    """
    
    def __init__(self, *args, **kwargs):
        self.actions = get_workflow_config(self.config)
        if not '_reset' in self.actions:
            # Special action that gets enabled if the current status no longer
            # exists, as no other action can then change its state. (#5307)
            self.actions['_reset'] = {
                'default': 0,
                'name': 'reset',
                'newstate': 'new',
                'oldstates': [],  # Will not be invoked unless needed
                'operations': ['reset_workflow'],
                'permissions': []}
        self.log.debug('Workflow actions at initialization: %s\n' %
                       str(self.actions))
        for name, info in self.actions.iteritems():
            if not info['newstate']:
                self.log.warning("Ticket workflow action '%s' doesn't define "
                                 "any transitions", name)

    implements(ITicketActionController, IEnvironmentSetupParticipant)

    # IEnvironmentSetupParticipant methods

    def environment_created(self):
        """When an environment is created, we provide the basic-workflow,
        unless a ticket-workflow section already exists.
        """
        if not 'ticket-workflow' in self.config.sections():
            load_workflow_config_snippet(self.config, 'basic-workflow.ini')
            self.config.save()
            self.actions = get_workflow_config(self.config)

    def environment_needs_upgrade(self, db):
        """The environment needs an upgrade if there is no [ticket-workflow]
        section in the config.
        """
        return not list(self.config.options('ticket-workflow'))

    def upgrade_environment(self, db):
        """Insert a [ticket-workflow] section using the original-workflow"""
        load_workflow_config_snippet(self.config, 'original-workflow.ini')
        self.config.save()
        self.actions = get_workflow_config(self.config)
        info_message = """

==== Upgrade Notice ====

The ticket Workflow is now configurable.

Your environment has been upgraded, but configured to use the original
workflow. It is recommended that you look at changing this configuration to use
basic-workflow. 

Read TracWorkflow for more information (don't forget to 'wiki upgrade' as well)

"""
        self.log.info(info_message.replace('\n', ' ').replace('==', ''))
        print info_message

    # ITicketActionController methods

    def get_ticket_actions(self, req, ticket):
        """Returns a list of (weight, action) tuples that are valid for this
        request and this ticket."""
        # Get the list of actions that can be performed

        # Determine the current status of this ticket.  If this ticket is in
        # the process of being modified, we need to base our information on the
        # pre-modified state so that we don't try to do two (or more!) steps at
        # once and get really confused.
        status = ticket._old.get('status', ticket['status']) or 'new'

        ticket_perm = req.perm(ticket.resource)
        allowed_actions = []
        for action_name, action_info in self.actions.items():
            oldstates = action_info['oldstates']
            if oldstates == ['*'] or status in oldstates:
                # This action is valid in this state.  Check permissions.
                required_perms = action_info['permissions']
                if self._is_action_allowed(ticket_perm, required_perms):
                    allowed_actions.append((action_info['default'],
                                            action_name))
        if not (status in ['new', 'closed'] or \
                    status in TicketSystem(self.env).get_all_status()) \
                and 'TICKET_ADMIN' in ticket_perm:
            # State no longer exists - add a 'reset' action if admin.
            allowed_actions.append((0, '_reset'))
        return allowed_actions

    def _is_action_allowed(self, ticket_perm, required_perms):
        if not required_perms:
            return True
        for permission in required_perms:
            if permission in ticket_perm:
                return True
        return False

    def get_all_status(self):
        """Return a list of all states described by the configuration.

        """
        all_status = set()
        for action_name, action_info in self.actions.items():
            all_status.update(action_info['oldstates'])
            all_status.add(action_info['newstate'])
        all_status.discard('*')
        all_status.discard('')
        return all_status
        
    def render_ticket_action_control(self, req, ticket, action):

        self.log.debug('render_ticket_action_control: action "%s"' % action)

        this_action = self.actions[action]
        status = this_action['newstate']        
        operations = this_action['operations']
        current_owner = ticket._old.get('owner', ticket['owner'] or '(none)')
        if not (Chrome(self.env).show_email_addresses
                or 'EMAIL_VIEW' in req.perm(ticket.resource)):
            format_user = obfuscate_email_address
        else:
            format_user = lambda address: address
        current_owner = format_user(current_owner)

        control = [] # default to nothing
        hints = []
        if 'reset_workflow' in operations:
            control.append(tag("from invalid state "))
            hints.append(_("Current state no longer exists"))
        if 'del_owner' in operations:
            hints.append(_("The ticket will be disowned"))
        if 'set_owner' in operations:
            id = 'action_%s_reassign_owner' % action
            selected_owner = req.args.get(id, req.authname)

            if this_action.has_key('set_owner'):
                owners = [x.strip() for x in
                          this_action['set_owner'].split(',')]
            elif self.config.getbool('ticket', 'restrict_owner'):
                perm = PermissionSystem(self.env)
                owners = perm.get_users_with_permission('TICKET_MODIFY')
                owners.sort()
            else:
                owners = None

            if owners == None:
                owner = req.args.get(id, req.authname)
                control.append(tag_('to %(owner)s',
                                    owner=tag.input(type='text', id=id,
                                                    name=id, value=owner)))
                hints.append(_("The owner will be changed from "
                               "%(current_owner)s",
                               current_owner=current_owner))
            elif len(owners) == 1:
                owner = tag.input(type='hidden', id=id, name=id,
                                  value=owners[0])
                formatted_owner = format_user(owners[0])
                control.append(tag_('to %(owner)s ',
                                    owner=tag(formatted_owner, owner)))
                if ticket['owner'] != owners[0]:
                    hints.append(_("The owner will be changed from "
                                   "%(current_owner)s to %(selected_owner)s",
                                   current_owner=current_owner,
                                   selected_owner=formatted_owner))
            else:
                control.append(tag_('to %(owner)s', owner=tag.select(
                    [tag.option(x, value=x,
                                selected=(x == selected_owner or None))
                     for x in owners],
                    id=id, name=id)))
                hints.append(_("The owner will be changed from "
                               "%(current_owner)s",
                               current_owner=current_owner))
        if 'set_owner_to_self' in operations and \
                ticket._old.get('owner', ticket['owner']) != req.authname:
            hints.append(_("The owner will be changed from %(current_owner)s "
                           "to %(authname)s", current_owner=current_owner,
                           authname=req.authname))
        if 'set_resolution' in operations:
            if this_action.has_key('set_resolution'):
                resolutions = [x.strip() for x in
                               this_action['set_resolution'].split(',')]
            else:
                resolutions = [val.name for val in Resolution.select(self.env)]
            if not resolutions:
                raise TracError(_("Your workflow attempts to set a resolution "
                                  "but none is defined (configuration issue, "
                                  "please contact your Trac admin)."))
            id = 'action_%s_resolve_resolution' % action
            if len(resolutions) == 1:
                resolution = tag.input(type='hidden', id=id, name=id,
                                       value=resolutions[0])
                control.append(tag_('as %(resolution)s',
                                    resolution=tag(resolutions[0],
                                                   resolution)))
                hints.append(_("The resolution will be set to %(name)s",
                               name=resolutions[0]))
            else:
                selected_option = req.args.get(id, 
                        TicketSystem(self.env).default_resolution)
                control.append(tag_('as %(resolution)s',
                                    resolution=tag.select(
                    [tag.option(x, value=x,
                                selected=(x == selected_option or None))
                     for x in resolutions],
                    id=id, name=id)))
                hints.append(_("The resolution will be set"))
        if 'del_resolution' in operations:
            hints.append(_("The resolution will be deleted"))
        if 'leave_status' in operations:
            control.append(_('as %(status)s ',
                             status= ticket._old.get('status',
                                                     ticket['status'])))
        else:
            if status != '*':
                hints.append(_("Next status will be '%(name)s'", name=status))
        return (this_action['name'], tag(*control), '. '.join(hints))

    def get_ticket_changes(self, req, ticket, action):
        this_action = self.actions[action]

        # Enforce permissions
        if not self._has_perms_for_action(req, this_action, ticket.resource):
            # The user does not have any of the listed permissions, so we won't
            # do anything.
            return {}

        updated = {}
        # Status changes
        status = this_action['newstate']
        if status != '*':
            updated['status'] = status

        for operation in this_action['operations']:
            if operation == 'reset_workflow':
                updated['status'] = 'new'
            elif operation == 'del_owner':
                updated['owner'] = ''
            elif operation == 'set_owner':
                newowner = req.args.get('action_%s_reassign_owner' % action,
                                    this_action.get('set_owner', '').strip())
                # If there was already an owner, we get a list, [new, old],
                # but if there wasn't we just get new.
                if type(newowner) == list:
                    newowner = newowner[0]
                updated['owner'] = newowner
            elif operation == 'set_owner_to_self':
                updated['owner'] = req.authname
            elif operation == 'del_resolution':
                updated['resolution'] = ''
            elif operation == 'set_resolution':
                newresolution = req.args.get('action_%s_resolve_resolution' % \
                                             action,
                                this_action.get('set_resolution', '').strip())
                updated['resolution'] = newresolution

            # leave_status is just a no-op here, so we don't look for it.
        return updated

    def apply_action_side_effects(self, req, ticket, action):
        pass

    def _has_perms_for_action(self, req, action, resource):
        required_perms = action['permissions']
        if required_perms:
            for permission in required_perms:
                if permission in req.perm(resource):
                    break
            else:
                # The user does not have any of the listed permissions
                return False
        return True

    # Public methods (for other ITicketActionControllers that want to use
    #                 our config file and provide an operation for an action)
    
    def get_actions_by_operation(self, operation):
        """Return a list of all actions with a given operation
        (for use in the controller's get_all_status())
        """
        actions = [(info['default'], action) for action, info
                   in self.actions.items()
                   if operation in info['operations']]
        return actions

    def get_actions_by_operation_for_req(self, req, ticket, operation):
        """Return list of all actions with a given operation that are valid
        in the given state for the controller's get_ticket_actions().

        If state='*' (the default), all actions with the given operation are
        returned.
        """
        # Be sure to look at the original status.
        status = ticket._old.get('status', ticket['status'])
        actions = [(info['default'], action) for action, info
                   in self.actions.items()
                   if operation in info['operations'] and
                      ('*' in info['oldstates'] or
                       status in info['oldstates']) and
                      self._has_perms_for_action(req, info, ticket.resource)]
        return actions