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# -*- coding: utf-8 -*-
# __init__.py
# Copyright (C) 2013 LEAP
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
"""
Initializes version and app info, plus some small and handy functions.
"""
import datetime
import os
from pkg_resources import parse_version
def _is_release_version(version):
"""
Helper to determine whether a version is a final release or not.
The release needs to be of the form: w.x.y.z containing only numbers
and dots.
:param version: the version string
:type version: str
:returns: if the version is a release version or not.
:rtype: bool
"""
parsed_version = parse_version(version)
not_number = 0
for x in parsed_version:
try:
int(x)
except:
not_number += 1
return not_number == 1
__version__ = "unknown"
IS_RELEASE_VERSION = False
try:
from leap._version import get_versions
__version__ = get_versions()['version']
IS_RELEASE_VERSION = _is_release_version(__version__)
del get_versions
except ImportError:
#running on a tree that has not run
#the setup.py setver
pass
__appname__ = "unknown"
try:
from leap._appname import __appname__
except ImportError:
#running on a tree that has not run
#the setup.py setver
pass
__full_version__ = __appname__ + '/' + str(__version__)
def first(things):
"""
Return the head of a collection.
"""
try:
return things[0]
except TypeError:
return None
def get_modification_ts(path):
"""
Gets modification time of a file.
:param path: the path to get ts from
:type path: str
:returns: modification time
:rtype: datetime object
"""
ts = os.path.getmtime(path)
return datetime.datetime.fromtimestamp(ts)
def update_modification_ts(path):
"""
Sets modification time of a file to current time.
:param path: the path to set ts to.
:type path: str
:returns: modification time
:rtype: datetime object
"""
os.utime(path, None)
return get_modification_ts(path)
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