# -*- coding: utf-8 -*-

"""

    vcs.backends.hg.repository

    ~~~~~~~~~~~~~~~~~~~~~~~~~~

    Mercurial repository implementation.

    :created_on: Apr 8, 2010

    :copyright: (c) 2010-2011 by Marcin Kuzminski, Lukasz Balcerzak.

"""

import datetime

import logging

import os

import time

import urllib

import urllib2

from collections import OrderedDict

import mercurial.commands

import mercurial.error

import mercurial.exchange

import mercurial.hg

import mercurial.hgweb

import mercurial.httppeer

import mercurial.match

import mercurial.mdiff

import mercurial.node

import mercurial.patch

import mercurial.scmutil

import mercurial.sshpeer

import mercurial.tags

import mercurial.ui

import mercurial.url

import mercurial.util

from kallithea.lib.vcs.backends.base import BaseRepository, CollectionGenerator

from kallithea.lib.vcs.exceptions import (

    BranchDoesNotExistError, ChangesetDoesNotExistError, EmptyRepositoryError, RepositoryError, TagAlreadyExistError, TagDoesNotExistError, VCSError)

from kallithea.lib.vcs.utils import ascii_str, author_email, author_name, date_fromtimestamp, makedate, safe_bytes, safe_str, safe_unicode

from kallithea.lib.vcs.utils.lazy import LazyProperty

from kallithea.lib.vcs.utils.paths import abspath

from .changeset import MercurialChangeset

from .inmemory import MercurialInMemoryChangeset

from .workdir import MercurialWorkdir

log = logging.getLogger(__name__)

class MercurialRepository(BaseRepository):

    """

    Mercurial repository backend

    """

    DEFAULT_BRANCH_NAME = 'default'

    scm = 'hg'

    def __init__(self, repo_path, create=False, baseui=None, src_url=None,

                 update_after_clone=False):

        """

        Raises RepositoryError if repository could not be find at the given

        ``repo_path``.

        :param repo_path: local path of the repository

        :param create=False: if set to True, would try to create repository if

           it does not exist rather than raising exception

        :param baseui=None: user data

        :param src_url=None: would try to clone repository from given location

        :param update_after_clone=False: sets update of working copy after

          making a clone

        """