コード例 #1
0
def youtrack2youtrack(source_url, source_login, source_password, target_url, target_login, target_password,
                      project_ids, query='', source_token=None, target_token=None, params=None):
    if not len(project_ids):
        print("You should sign at least one project to import")
        return
    if params is None:
        params = {}

    source = Connection(source_url, source_login, source_password) if (source_token is None) else Connection(source_url,
                                                                                                             token=source_token)
    target = Connection(target_url, target_login, target_password) if (target_token is None) else Connection(target_url,
                                                                                                             token=target_token)
    # , proxy_info = httplib2.ProxyInfo(socks.PROXY_TYPE_HTTP, 'localhost', 8888)

    print("Import issue link types")
    for ilt in source.getIssueLinkTypes():
        try:
            print(target.createIssueLinkType(ilt))
        except youtrack.YouTrackException as e:
            print(e.message)

    user_importer = UserImporter(source, target, caching_users=params.get('enable_user_caching', True))
    link_importer = LinkImporter(target)

    # create all projects with minimum info and project lead set
    created_projects = []
    for project_id in project_ids:
        created = create_project_stub(source, target, project_id, user_importer)
        created_projects.append(created)

    # save created project ids to create correct group roles afterwards
    user_importer.addCreatedProjects([project.id for project in created_projects])
    # import project leads with group they are included and roles assigned to these groups
    user_importer.importUsersRecursively([target.getUser(project.lead) for project in created_projects])
    # afterwards in a script any user import imply recursive import

    cf_names_to_import = set([])  # names of cf prototypes that should be imported
    for project_id in project_ids:
        cf_names_to_import.update([pcf.name.capitalize() for pcf in source.getProjectCustomFields(project_id)])

    target_cf_names = [pcf.name.capitalize() for pcf in target.getCustomFields()]

    period_cf_names = []

    for cf_name in cf_names_to_import:
        source_cf = source.getCustomField(cf_name)
        if source_cf.type.lower() == 'period':
            period_cf_names.append(source_cf.name.lower())

        print("Processing custom field '%s'" % utf8encode(cf_name))
        if cf_name in target_cf_names:
            target_cf = target.getCustomField(cf_name)
            if not (target_cf.type == source_cf.type):
                print("In your target and source YT instances you have field with name [ %s ]" % utf8encode(cf_name))
                print("They have different types. Source field type [ %s ]. Target field type [ %s ]" %
                      (source_cf.type, target_cf.type))
                print("exiting...")
                exit()
        else:
            if hasattr(source_cf, "defaultBundle"):
                create_bundle_from_bundle(source, target, source_cf.defaultBundle, source_cf.type, user_importer)
            target.createCustomField(source_cf)

    failed_commands = []

    for projectId in project_ids:
        source = Connection(source_url, source_login, source_password) if (source_token is None) else Connection(
            source_url, token=source_token)
        target = Connection(target_url, target_login, target_password) if (target_token is None) else Connection(
            target_url, token=target_token)
        # , proxy_info = httplib2.ProxyInfo(socks.PROXY_TYPE_HTTP, 'localhost', 8888)
        # reset connections to avoid disconnections
        user_importer.resetConnections(source, target)
        link_importer.resetConnections(target)

        # copy project, subsystems, versions
        project = source.getProject(projectId)

        link_importer.addAvailableIssuesFrom(projectId)
        project_custom_fields = source.getProjectCustomFields(projectId)
        # create bundles and additional values
        for pcf_ref in project_custom_fields:
            pcf = source.getProjectCustomField(projectId, pcf_ref.name)
            if hasattr(pcf, "bundle"):
                try:
                    create_bundle_from_bundle(source, target, pcf.bundle, source.getCustomField(pcf.name).type,
                                              user_importer)
                except youtrack.YouTrackException as e:
                    if e.response.status != 409:
                        raise e
                    else:
                        print(e)

        target_project_fields = [pcf.name.lower() for pcf in target.getProjectCustomFields(projectId)]
        for field in project_custom_fields:
            if field.name.lower() in target_project_fields:
                if hasattr(field, 'bundle'):
                    if field.bundle != target.getProjectCustomField(projectId, field.name).bundle:
                        target.deleteProjectCustomField(projectId, field.name)
                        create_project_custom_field(target, field, projectId)
            else:
                try:
                    create_project_custom_field(target, field, projectId)
                except youtrack.YouTrackException as e:
                    if e.response.status != 409:
                        raise e
                    else:
                        print(e)

        # copy issues
        start = 0
        max = 20

        sync_workitems = enable_time_tracking(source, target, projectId)
        tt_settings = target.getProjectTimeTrackingSettings(projectId)

        print("Import issues")
        last_created_issue_number = 0

        while True:
            try:
                print("Get issues from " + str(start) + " to " + str(start + max))
                issues = source.getIssues(projectId, query, start, max)

                if len(issues) <= 0:
                    break

                if convert_period_values and period_cf_names:
                    for issue in issues:
                        for pname in period_cf_names:
                            for fname in issue.__dict__:
                                if fname.lower() != pname:
                                    continue
                                issue[fname] = period_to_minutes(issue[fname])

                users = set([])

                for issue in issues:
                    print("Collect users for issue [%s]" % issue.id)

                    users.add(issue.getReporter())
                    if issue.hasAssignee():
                        if isinstance(issue.Assignee, (list, tuple)):
                            users.update(issue.getAssignee())
                        else:
                            users.add(issue.getAssignee())
                    # TODO: http://youtrack.jetbrains.net/issue/JT-6100
                    users.add(issue.getUpdater())
                    if issue.hasVoters():
                        users.update(issue.getVoters())
                    for comment in issue.getComments():
                        users.add(comment.getAuthor())

                    print("Collect links for issue [%s]" % issue.id)
                    link_importer.collectLinks(issue.getLinks(True))
                    # links.extend(issue.getLinks(True))

                    # fix problem with comment.text
                    for comment in issue.getComments():
                        if not hasattr(comment, "text") or (len(comment.text.strip()) == 0):
                            setattr(comment, 'text', 'no text')

                user_importer.importUsersRecursively(users)

                print("Create issues [" + str(len(issues)) + "]")
                if params.get('create_new_issues'):
                    create_issues(target, issues, last_created_issue_number)
                else:
                    print(target.importIssues(projectId, project.name + ' Assignees', issues))
                link_importer.addAvailableIssues(issues)

                for issue in issues:
                    try:
                        target_issue = target.getIssue(issue.id)
                    except youtrack.YouTrackException as e:
                        print("Cannot get target issue")
                        print(e)
                        continue

                    if params.get('sync_tags') and issue.tags:
                        try:
                            for tag in issue.tags:
                                tag = re.sub(r'[,&<>]', '_', tag)
                                try:
                                    target.executeCommand(issue.id, 'tag ' + tag, disable_notifications=True)
                                except youtrack.YouTrackException:
                                    tag = re.sub(r'[\s-]', '_', tag)
                                    target.executeCommand(issue.id, 'tag ' + tag, disable_notifications=True)
                        except youtrack.YouTrackException as e:
                            print("Cannot sync tags for issue " + issue.id)
                            print(e)

                    if params.get('add_new_comments'):
                        target_comments = dict()
                        max_id = 0
                        for c in target_issue.getComments():
                            target_comments[c.created] = c
                            if max_id < c.created:
                                max_id = c.created
                        for c in issue.getComments():
                            if c.created > max_id or c.created not in target_comments:
                                group = None
                                if hasattr(c, 'permittedGroup'):
                                    group = c.permittedGroup
                                try:
                                    target.executeCommand(issue.id, 'comment', c.text, group, c.author,
                                                          disable_notifications=True)
                                except youtrack.YouTrackException as e:
                                    print('Cannot add comment to issue')
                                    print(e)

                    if params.get('sync_custom_fields'):
                        skip_fields = []
                        if tt_settings and tt_settings.Enabled and tt_settings.TimeSpentField:
                            skip_fields.append(tt_settings.TimeSpentField)
                        skip_fields = [name.lower() for name in skip_fields]
                        for pcf in [pcf for pcf in project_custom_fields if pcf.name.lower() not in skip_fields]:
                            target_cf_value = None
                            if pcf.name in target_issue:
                                target_cf_value = target_issue[pcf.name]
                                if isinstance(target_cf_value, (list, tuple)):
                                    target_cf_value = set(target_cf_value)
                                elif target_cf_value == target.getProjectCustomField(projectId, pcf.name).emptyText:
                                    target_cf_value = None
                            source_cf_value = None
                            if pcf.name in issue:
                                source_cf_value = issue[pcf.name]
                                if isinstance(source_cf_value, (list, tuple)):
                                    source_cf_value = set(source_cf_value)
                                elif source_cf_value == source.getProjectCustomField(projectId, pcf.name).emptyText:
                                    source_cf_value = None
                            if source_cf_value == target_cf_value:
                                continue
                            if isinstance(source_cf_value, set) or isinstance(target_cf_value, set):
                                if source_cf_value is None:
                                    source_cf_value = set([])
                                elif not isinstance(source_cf_value, set):
                                    source_cf_value = set([source_cf_value])
                                if target_cf_value is None:
                                    target_cf_value = set([])
                                elif not isinstance(target_cf_value, set):
                                    target_cf_value = set([target_cf_value])
                                for v in target_cf_value:
                                    if v not in source_cf_value:
                                        target.executeCommand(issue.id, 'remove %s %s' % (pcf.name, v),
                                                              disable_notifications=True)
                                for v in source_cf_value:
                                    if v not in target_cf_value:
                                        target.executeCommand(issue.id, 'add %s %s' % (pcf.name, v),
                                                              disable_notifications=True)
                            else:
                                if source_cf_value is None:
                                    source_cf_value = target.getProjectCustomField(projectId, pcf.name).emptyText
                                if pcf.type.lower() == 'date':
                                    m = re.match(r'(\d{10})(?:\d{3})?', str(source_cf_value))
                                    if m:
                                        source_cf_value = datetime.datetime.fromtimestamp(
                                            int(m.group(1))).strftime('%Y-%m-%d')
                                elif pcf.type.lower() == 'period':
                                    source_cf_value = '%sm' % source_cf_value
                                command = '%s %s' % (pcf.name, source_cf_value)
                                try:
                                    target.executeCommand(issue.id, command, disable_notifications=True)
                                except youtrack.YouTrackException as e:
                                    if e.response.status == 412 and e.response.reason.find('Precondition Failed') > -1:
                                        print('WARN: Some workflow blocks following command: %s' % command)
                                        failed_commands.append((issue.id, command))

                    if sync_workitems:
                        workitems = source.getWorkItems(issue.id)
                        if workitems:
                            existing_workitems = dict()
                            target_workitems = target.getWorkItems(issue.id)
                            if target_workitems:
                                for w in target_workitems:
                                    _id = '%s\n%s\n%s' % (w.date, w.authorLogin, w.duration)
                                    if hasattr(w, 'description'):
                                        _id += '\n%s' % w.description
                                    existing_workitems[_id] = w
                            new_workitems = []
                            for w in workitems:
                                _id = '%s\n%s\n%s' % (w.date, w.authorLogin, w.duration)
                                if hasattr(w, 'description'):
                                    _id += '\n%s' % w.description
                                if _id not in existing_workitems:
                                    new_workitems.append(w)
                            if new_workitems:
                                print("Process workitems for issue [ " + issue.id + "]")
                                try:
                                    user_importer.importUsersRecursively(
                                        [source.getUser(w.authorLogin)
                                         for w in new_workitems])
                                    target.importWorkItems(issue.id, new_workitems)
                                except youtrack.YouTrackException as e:
                                    if e.response.status == 404:
                                        print("WARN: Target YouTrack doesn't support workitems importing.")
                                        print("WARN: Workitems won't be imported.")
                                        sync_workitems = False
                                    else:
                                        print("ERROR: Skipping workitems because of error:" + str(e))

                    print("Process attachments for issue [%s]" % issue.id)
                    existing_attachments = dict()
                    try:
                        for a in target.getAttachments(issue.id):
                            existing_attachments[a.name + '\n' + a.created] = a
                    except youtrack.YouTrackException as e:
                        if e.response.status == 404:
                            print("Skip importing attachments because issue %s doesn't exist" % issue.id)
                            continue
                        raise e

                    attachments = []

                    users = set([])
                    for a in issue.getAttachments():
                        if a.name + '\n' + a.created in existing_attachments and not params.get('replace_attachments'):
                            a.name = utf8encode(a.name)
                            try:
                                print("Skip attachment '%s' (created: %s) because it's already exists"
                                      % (utf8encode(a.name), utf8encode(a.created)))
                            except Exception:
                                pass
                            continue
                        attachments.append(a)
                        author = a.getAuthor()
                        if author is not None:
                            users.add(author)
                    user_importer.importUsersRecursively(users)

                    for a in attachments:
                        print("Transfer attachment of " + utf8encode(issue.id) + ": " + utf8encode(a.name))
                        # TODO: add authorLogin to workaround http://youtrack.jetbrains.net/issue/JT-6082
                        # a.authorLogin = target_login
                        try:
                            target.createAttachmentFromAttachment(issue.id, a)
                        except BaseException as e:
                            print("Cant import attachment [ %s ]" % utf8encode(a.name))
                            print(repr(e))
                            continue
                        if params.get('replace_attachments'):
                            try:
                                old_attachment = existing_attachments.get(a.name + '\n' + a.created)
                                if old_attachment:
                                    print('Deleting old attachment')
                                    target.deleteAttachment(issue.id, old_attachment.id)
                            except BaseException as e:
                                print("Cannot delete attachment '%s' from issue %s" % (
                                utf8encode(a.name), utf8encode(issue.id)))
                                print(e)

            except Exception as e:
                print('Cant process issues from ' + str(start) + ' to ' + str(start + max))
                traceback.print_exc()
                raise e

            start += max

    print("Import issue links")
    link_importer.importCollectedLinks()

    print("Trying to execute failed commands once again")
    for issue_id, command in failed_commands:
        try:
            print('Executing command on issue %s: %s' % (issue_id, command))
            target.executeCommand(issue_id, command, disable_notifications=True)
        except youtrack.YouTrackException as e:
            print('Failed to execute command for issue #%s: %s' % (issue_id, command))
            print(e)
コード例 #2
0
class RedmineImporter(object):
    def __init__(self, params):
        self._params = params
        self._projects = None
        self._max_issue_ids = {}
        self._issue_ids = {}
        self._relations = {}
        self._users = {}
        self._groups = {}
        self._subsystems = {}
        self._versions = {}

        # Connecting to Redmine
        if 'rm_api_key' in params:
            self._source = youtrackutils.redmine.RedmineClient(
                params['rm_api_key'], params['rm_url'])
        elif 'rm_login' in params:
            self._source = youtrackutils.redmine.RedmineClient(
                None, params['rm_url'], params.get('rm_login'),
                params.get('rm_password'))
        else:
            print("You have to provide Redmine API key or login/password")
            sys.exit(1)

        # Connecting to YouTrack
        token = params.get('token')
        if not token and 'token_file' in params:
            try:
                with open(params['token_file'], 'r') as f:
                    token = f.read().strip()
            except (OSError, IOError) as e:
                print("Cannot load token from file: " + str(e))
                sys.exit(1)
        if token:
            self._target = Connection(params['yt_url'], token=token)
        elif 'yt_login' in params:
            self._target = Connection(params['yt_url'], params.get('yt_login'),
                                      params.get('yt_password'))
        else:
            print("You have to provide YouTrack token or login/password")
            sys.exit(1)

        if not params.get('project_lead_login'):
            project_lead = params.get('yt_login')
            if not project_lead:
                for login in ('root', 'admin', 'administrator', 'guest'):
                    try:
                        project_lead = self._target.getUser(login).login
                        break
                    except youtrack.YouTrackException:
                        continue
            self._params['project_lead_login'] = project_lead

    def do_import(self, project_ids):
        try:
            projects2import = self._get_projects(project_ids)
        except youtrackutils.redmine.RedmineException as e:
            print('FATAL:', e)
            sys.exit(1)

        print('===> Import Roles')
        self._import_roles()

        for project in projects2import.values():
            self._import_project(project)

        print('===> Apply Relations')
        self._apply_relations()

    def _get_projects(self, project_ids=None, by_internal_id=False):
        if by_internal_id:
            by = 'by_iid'
        else:
            by = 'by_pid'
        if self._projects is None:
            self._projects = {'by_iid': {}, 'by_pid': {}}
        if project_ids:
            new_projects = [
                pid for pid in project_ids if pid not in self._projects[by]
            ]
        else:
            new_projects = None
        if new_projects is None or new_projects:
            for project in self._source.get_projects(new_projects):
                project.identifier = re.sub('\W', '', project.identifier)
                self._projects['by_iid'][project.id] = project
                self._projects['by_pid'][project.identifier] = project
        if project_ids:
            for pid in project_ids:
                if by == 'by_pid':
                    pid = re.sub('\W', '', pid)
                if pid not in self._projects[by]:
                    raise youtrackutils.redmine.RedmineException(
                        "Project '%s' doesn't exist in Redmine" % pid)
        return self._projects[by]

    def _get_project(self, project_id, by_internal_id=False):
        return self._get_projects([project_id], by_internal_id)[project_id]

    def _get_project_name(self, project):
        name = project.name
        while True:
            if not hasattr(project, 'parent'):
                break
            name = project.parent.name + ' :: ' + name
            project = self._get_project(project.parent.id, True)
        return name

    def _import_project(self, project):
        project_id = project.identifier
        project_name = self._get_project_name(project)
        project_desc = ''
        project_lead = self._params['project_lead_login']

        if hasattr(project, 'description') and project.description is not None:
            project_desc = project.description

        print("===> Importing Project '%s' (%s)" %
              (project_name.encode('utf-8'), project_id.encode('utf-8')))
        try:
            print('Creating project...')
            self._target.getProject(project_id)
            print('Project already exists')
        except youtrack.YouTrackException:
            self._target.createProjectDetailed(project_id, project_name,
                                               project_desc, project_lead)
            print('Project successfully created')
        print('Import project members...')
        self._import_members(project)
        print('Import issues...')
        self._import_issues(project)

    def _to_yt_user(self, redmine_user):
        if isinstance(redmine_user, basestring):
            user_id = redmine_user
        else:
            user_id = redmine_user.id
        if user_id not in self._users:
            try:
                redmine_user = self._source.get_user(user_id)
            except ResourceNotFound:
                redmine_user = None
            user = youtrack.User()

            if redmine_user != None:
                try:
                    user.email = redmine_user.mail
                except AttributeError:
                    pass
                try:
                    # In some cases redmine user login can be empty or missing.
                    # So, both cases should be handled.
                    user.login = redmine_user.login
                except AttributeError:
                    pass

            if not hasattr(user, 'login') or not user.login:
                if hasattr(user, 'email'):
                    user.login = user.email
                else:
                    user.login = '******'
                print('Cannot get login for user id=%s, set it to "%s"' %
                      (user_id, user.login))

            # user.login = redmine_user.login or 'guest'
            # user.email = redmine_user.mail or '*****@*****.**'
            if redmine_user != None and user.login != 'guest':
                if redmine_user.firstname is None and redmine_user.lastname is None:
                    user.fullName = user.login
                elif redmine_user.firstname is None:
                    user.fullName = redmine_user.lastname
                elif redmine_user.lastname is None:
                    user.fullName = redmine_user.firstname
                else:
                    user.fullName = redmine_user.firstname + ' ' + redmine_user.lastname
            else:
                user.created = True

            if redmine_user != None and hasattr(redmine_user, 'groups'):
                user.groups = [
                    self._to_yt_group(g) for g in redmine_user.groups
                ]

            self._users[user_id] = user
        return self._users[user_id]

    def _to_yt_group(self, redmine_group, users=None):
        if not isinstance(redmine_group, basestring):
            redmine_group = redmine_group.name
        if redmine_group not in self._groups:
            group = youtrack.Group()
            group.name = redmine_group
            if users is None:
                users = []
            group.users = users
            self._groups[redmine_group] = group
        return self._groups[redmine_group]

    def _to_yt_role(self, name, projects=None):
        role = youtrack.UserRole()
        role.name = name
        if projects:
            if isinstance(projects, list):
                role.projects.extend(projects)
            else:
                role.projects.append(projects)
        return role

    def _to_yt_version(self, version):
        if isinstance(version, basestring):
            vid = version
        else:
            vid = version.id
        if vid not in self._versions:
            redmine_version = self._source.get_version(vid)
            version = youtrack.Version()
            version.name = redmine_version.name
            version.description = redmine_version.description
            if getattr(redmine_version, 'due_date', None):
                version.releaseDate = str(to_unixtime(
                    redmine_version.due_date))
            version.released = str(redmine_version.status == 'closed').lower()
            version.archived = 'false'
            self._versions[vid] = version
        return self._versions[vid]

    def _to_yt_subsystem(self, category):
        if isinstance(category, basestring):
            cid = category
        else:
            cid = category.id
        if cid not in self._subsystems:
            redmine_cat = self._source.get_category(cid)
            subsystem = youtrack.Subsystem()
            subsystem.name = redmine_cat.name
            if hasattr(redmine_cat, 'assigned_to'):
                subsystem.login = self._create_user(
                    redmine_cat.assigned_to).login
            self._subsystems[cid] = subsystem
        return self._subsystems[cid]

    def _get_assignee_group_name(self, project_id):
        return '%s Assignees' % project_id.upper()

    def _get_yt_issue_id(self, issue, as_number_in_project=False):
        project_id = self._projects['by_iid'][issue.project.id].identifier
        new_id = self._max_issue_ids.get(project_id, 0) + 1
        rid = int(issue.id)
        if rid not in self._issue_ids:
            self._max_issue_ids[project_id] = new_id
            self._issue_ids[rid] = {'id': new_id, 'project_id': project_id}
        if as_number_in_project:
            return self._issue_ids[rid]['id']
        return self._to_yt_issue_id(rid)

    def _to_yt_issue_id(self, iid):
        issue = self._issue_ids[iid]
        return '%s-%d' % (issue['project_id'], issue['id'])

    def _get_yt_issue_number(self, issue):
        return self._get_yt_issue_id(issue, True)

    def _import_members(self, project):
        project_id = project.identifier
        members = self._source.get_project_members(project.id)
        users_by_role = {}
        groups_by_role = {}
        if members:
            for member in members:
                # Sometimes roles can be duplicated
                if hasattr(member, 'roles'):
                    roles = set([r.name for r in member.roles])
                    if hasattr(member, 'group'):
                        group = self._to_yt_group(member.group.name)
                        for role in roles:
                            if role not in groups_by_role:
                                groups_by_role[role] = []
                            groups_by_role[role].append(group)
                    else:
                        user = self._to_yt_user(member.user)
                        for role in roles:
                            if role not in users_by_role:
                                users_by_role[role] = []
                            users_by_role[role].append(user)
        for role_name, users in users_by_role.items():
            group = self._to_yt_group('%s %s' %
                                      (project_id.upper(), role_name))
            self._create_group(group)
            self._target.addUserRoleToGroup(
                group, self._to_yt_role(role_name, project_id))
            self._target.importUsers(users)
            for user in users:
                self._target.setUserGroup(user.login, group.name)
        for role_name, groups in groups_by_role.items():
            for group in groups:
                self._create_group(group)
                self._target.addUserRoleToGroup(
                    group, self._to_yt_role(role_name, project_id))

    def _import_roles(self):
        existed_roles = [role.name for role in self._target.getRoles()]
        new_roles = {}
        for role in self._source.get_roles():
            if role.name in existed_roles:
                continue
            permissions = None
            if hasattr(role, 'permissions'):
                permissions = []
                for perm in role.permissions:
                    if isinstance(perm, basestring):
                        rm_perm = perm
                    else:
                        rm_perm = perm.name
                    yt_perm = \
                        youtrackutils.redmine.Mapping.PERMISSIONS.get(rm_perm)
                    if not yt_perm:
                        continue
                    if isinstance(yt_perm, list):
                        permissions.extend(yt_perm)
                    else:
                        permissions.append(yt_perm)
            new_roles[role.name] = permissions
        for role_name, role_permissions in new_roles.items():
            role = self._to_yt_role(role_name)
            self._target.createRole(role)
            if role_permissions:
                for perm_name in role_permissions:
                    perm = youtrack.Permission()
                    perm.name = perm_name
                    self._target.addPermissionToRole(role, perm)

    def _import_issues(self, project, limit=CHUNK_SIZE):
        project_id = project.identifier
        offset = 0
        assignee_group = self._get_assignee_group_name(project_id)
        while True:
            issues = self._source.get_project_issues(
                project.id, limit, offset,
                self._params.get('skip_on_error', False))
            if not issues:
                break
            issues = [
                issue for issue in issues if issue.project.id == project.id
            ]
            self._target.importIssues(
                project_id, assignee_group,
                [self._make_issue(issue, project_id) for issue in issues])
            for issue in issues:
                self._collect_relations(issue)
                self._add_attachments(issue)
                if self._params.get('import_time_entries', False):
                    self._enable_timetracking(project)
                    self._add_work_items(issue)
            offset += limit

    def _make_issue(self, redmine_issue, project_id):
        issue = youtrack.Issue()
        issue['comments'] = []
        if self._params.get('use_markdown'):
            issue['markdown'] = "true"
        try:
            if self._params.get('create_redmine_linkage', False):
                self._add_field_to_issue(project_id, issue, "redmine_id",
                                         int(redmine_issue.id))
            for name, value in redmine_issue.attributes.items():
                if name in ('project', 'attachments'):
                    continue
                if name == 'assigned_to' and value.name in self._groups:
                    continue
                if name == 'id':
                    value = str(self._get_yt_issue_number(redmine_issue))
                if name == 'custom_fields':
                    for field in value:
                        self._add_field_to_issue(project_id, issue, field.name,
                                                 getattr(field, 'value', None))
                elif name == 'journals':
                    self._add_journals(issue, value)
                else:
                    if name == 'category':
                        value = self._to_yt_subsystem(value)
                    self._add_field_to_issue(project_id, issue, name, value)
        except Exception as e:
            print('Failed to process issue:')
            print(redmine_issue)
            traceback.print_exc()
            raise e
        return issue

    def _convert_value(self, field_name, value):
        conv_map = youtrackutils.redmine.Mapping.CONVERSION.get(field_name)
        if conv_map:
            if hasattr(value, 'value'):
                if value.value in conv_map:
                    value.value = conv_map[value.value]
            elif hasattr(value, 'name'):
                if value.name in conv_map:
                    value.name = conv_map[value.name]
        return value

    def _get_yt_field_name(self, field_name):
        return youtrackutils.redmine.Mapping.FIELD_NAMES.get(
            field_name, field_name)

    def _get_yt_field_type(self, field_name):
        return youtrackutils.redmine.Mapping.FIELD_TYPES.get(
            field_name, youtrack.EXISTING_FIELD_TYPES.get(field_name))

    def _add_field_to_issue(self, project_id, issue, name, value):
        if value is None:
            return
        field_name = self._get_yt_field_name(name)
        field_type = self._get_yt_field_type(field_name)
        if field_type is None:
            return
        value = self._convert_value(field_name, value)
        if isinstance(value, list):
            if not value:
                return
            issue[field_name] = []
            for v in value:
                v = self._create_field_value(project_id, field_name,
                                             field_type, v)
                issue[field_name].append(
                    self._get_value_presentation(field_type, v))
        else:
            value = self._create_field_value(project_id, field_name,
                                             field_type, value)
            issue[field_name] = self._get_value_presentation(field_type, value)

    def _create_field(self, project_id, field_name, field_type):
        project_fields = self._target.getProjectCustomFields(project_id)
        if field_name.lower() not in [f.name.lower() for f in project_fields]:
            all_fields = self._target.getCustomFields()
            if field_name.lower() not in [f.name.lower() for f in all_fields]:
                self._target.createCustomFieldDetailed(field_name, field_type,
                                                       False, True, False, {})
            if field_type in ('string', 'date', 'integer', 'float', 'period'):
                self._target.createProjectCustomFieldDetailed(
                    project_id, field_name, 'No ' + field_name)
            else:
                bundle_name = field_name + ' bundle'
                create_bundle_safe(self._target, bundle_name, field_type)
                self._target.createProjectCustomFieldDetailed(
                    project_id, field_name, 'No ' + field_name,
                    {'bundle': bundle_name})

    def _create_field_value(self, project_id, field_name, field_type, value):
        if field_type.startswith('user'):
            if hasattr(value, 'name'):
                value.name = self._create_user(value).login
            else:
                value = self._create_user(value).login
        elif field_type.startswith('version'):
            value = self._to_yt_version(value)
        if field_name == 'Assignee':
            return value
        if field_name in youtrack.EXISTING_FIELDS:
            return value
        self._create_field(project_id, field_name, field_type)
        if field_type in ('string', 'date', 'integer', 'float', 'period'):
            return value
        field = self._target.getProjectCustomField(project_id, field_name)
        bundle = self._target.getBundle(field_type, field.bundle)
        try:
            if hasattr(value, 'value'):
                value = value.value
            elif hasattr(value, 'name'):
                if not (field_type.startswith('version')
                        or field_type.startswith('ownedField')):
                    value = value.name
            self._target.addValueToBundle(bundle, value)
        except youtrack.YouTrackException as e:
            if e.response.status != 409 or e.response.reason.lower(
            ) != 'conflict':
                print(e)
        return value

    def _get_value_presentation(self, field_type, value):
        if field_type == 'date':
            return str(to_unixtime(value))
        if field_type == 'integer':
            return '%d' % int(float(value))
        if field_type == 'float':
            return '%.5f' % float(value)
        if field_type == 'string':
            return value
        if field_type == 'period':
            return '%d' % int(float(value) * 60)
        if hasattr(value, 'value'):
            return value.value
        elif hasattr(value, 'name'):
            return value.name
        return value

    def _create_user(self, user):
        user = self._to_yt_user(user)
        if not hasattr(user, 'created'):
            self._target.createUser(user)
            user.created = True
            if hasattr(user, 'groups'):
                for group in user.groups:
                    self._create_group(group)
                    self._target.setUserGroup(user.login, group.name)
        return user

    def _create_group(self, group):
        if isinstance(group, basestring):
            group = self._to_yt_group(group)
        if not hasattr(group, 'created'):
            try:
                self._target.getGroup(group.name)
            except youtrack.YouTrackException:
                self._target.createGroup(group)
            group.created = True
        return group

    def _add_journals(self, issue, journals):
        if not journals:
            return
        for rec in journals:
            if hasattr(rec,
                       'notes') and rec.notes is not None and rec.notes != '':
                comment = youtrack.Comment()
                if self._params.get('use_markdown'):
                    comment.markdown = "true"
                comment.text = rec.notes
                comment.author = self._create_user(rec.user).login
                comment.created = str(to_unixtime(rec.created_on))
                issue['comments'].append(comment)

    def _enable_timetracking(self, project):
        self._target.setProjectTimeTrackingSettings(project.identifier,
                                                    enabled=True)

    def _add_work_items(self, issue):
        import_data = []
        work_items = self._source.get_time_entries(issue.id)
        flatten_work_items = []
        for item in work_items:
            if 'time_entries' in item.attributes:
                time_entries = item.time_entries
                for time_entry in time_entries:
                    flatten_work_items.append(time_entry)
            else:
                flatten_work_items.append(item)

        for t in sorted(flatten_work_items, key=lambda tt: tt.spent_on):
            work_item = youtrack.WorkItem()
            work_item.authorLogin = self._create_user(t.user).login
            work_item.date = str(to_unixtime(t.spent_on))
            work_item.description = t.comments
            work_item.duration = int(float(t.hours) * 60)
            import_data.append(work_item)
        if import_data:
            self._target.importWorkItems(self._get_yt_issue_id(issue),
                                         import_data)

    def _add_attachments(self, issue):
        if not hasattr(issue, 'attachments'):
            return
        max_attempts = 5
        for attach in issue.attachments:
            attach.author.login = self._create_user(attach.author).login
            if not attach.author.login:
                attach.author.login = '******'
            attempts = max_attempts
            while attempts:
                attempts -= 1
                try:
                    self._target.createAttachmentFromAttachment(
                        self._get_yt_issue_id(issue),
                        RedmineAttachment(attach, self._source))
                    break
                except Exception as e:
                    print(e)
                    if attempts:
                        delay = 30 + (max_attempts - attempts - 1) * 10
                        print("Can't import attachment: %s. Retry in %d s." %
                              (attach.filename, delay))
                        time.sleep(delay)
                    else:
                        print('Failed to import attachment: %s. Skipped.' %
                              attach.filename)

    def _collect_relations(self, issue):
        link_types = {
            'duplicates': 'duplicate',
            'relates': 'relates',
            'blocks': 'depend',
            'precedes': 'depend'
        }
        if hasattr(issue, 'relations'):
            for rel in issue.relations:
                if rel.relation_type not in link_types:
                    print('Unsuitable link type: %s. Skipped' %
                          rel.relation_type)
                    continue
                from_id = rel.issue_id
                to_id = rel.issue_to_id
                if rel.relation_type == 'duplicates':
                    from_id, to_id = to_id, from_id
                self._push_relation(from_id, to_id,
                                    link_types[rel.relation_type])
        if hasattr(issue, 'children'):
            for child in issue.children:
                self._push_relation(issue.id, child.id, 'subtask')

    def _push_relation(self, from_iid, to_iid, relation_type):
        from_iid = int(from_iid)
        to_iid = int(to_iid)
        if relation_type not in self._relations:
            self._relations[relation_type] = {}
        relations = self._relations[relation_type]
        if from_iid not in relations:
            relations[from_iid] = {}
        relations[from_iid][to_iid] = None

    def _apply_relations(self, limit=CHUNK_SIZE):
        links = []
        for link_type, ids in self._relations.items():
            for from_id, to_ids in ids.items():
                for to_id in to_ids:
                    link = youtrack.Link()
                    link.typeName = link_type
                    try:
                        link.source = self._to_yt_issue_id(from_id)
                        link.target = self._to_yt_issue_id(to_id)
                    except KeyError:
                        print("Cannot apply link (%s) to issues: %d and %d" %
                              (link_type, from_id, to_id))
                        if hasattr(link, 'source') and link.source:
                            print("The second issue was not imported")
                            continue
                        else:
                            print("The first issues was not imported")
                            break
                    links.append(link)
                    if len(links) >= limit:
                        self._target.importLinks(links)
                        del links[0:]
        if links:
            self._target.importLinks(links)