:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

from __future__ import with_statement

import time

import os

import logging

import traceback

import hashlib

import itertools

import collections

from decorator import decorator

from pylons import url, request

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _

from webhelpers.pylonslib import secure_form

from sqlalchemy import or_

from sqlalchemy.orm.exc import ObjectDeletedError

from sqlalchemy.orm import joinedload

from kallithea import __platform__, is_windows, is_unix

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

# 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, see <http://www.gnu.org/licenses/>.

"""

Helper functions

Consists of functions to typically be used within templates, but also

available to Controllers. This module is available to both as 'h'.

"""

import hashlib

import StringIO

import math

import logging

import re

import urlparse

import textwrap

from pygments.formatters.html import HtmlFormatter

from pygments import highlight as code_highlight

from pylons import url

from pylons.i18n.translation import _, ungettext

from webhelpers.html import literal, HTML, escape

from webhelpers.html.tools import *

from webhelpers.html.builder import make_tag

from webhelpers.html.tags import auto_discovery_link, checkbox, css_classes, \

    end_form, file, hidden, image, javascript_link, link_to, \

    link_to_if, link_to_unless, ol, required_legend, select, stylesheet_link, \

    submit, text, password, textarea, title, ul, xml_declaration, radio

from webhelpers.html.tools import auto_link, button_to, highlight, \

    js_obfuscate, mail_to, strip_links, strip_tags, tag_re

from webhelpers.number import format_byte_size, format_bit_size

from webhelpers.pylonslib import Flash as _Flash

safeid = _make_safe_id_component

def FID(raw_id, path):

    """

    Creates a unique ID for filenode based on it's hash of path and revision

    it's safe to use in urls

    :param raw_id:

    :param path:

    """

class _GetError(object):

    """Get error from form_errors, and represent it as span wrapped error

    message

    :param field_name: field to fetch errors for

    :param form_errors: form errors dict

    """

    def __call__(self, field_name, form_errors):

        tmpl = """<span class="error_msg">%s</span>"""