Remove not used imports in models. Fix missing spaces in models when operator not preceded by a space. Add missing ugettext_lazy import to Proposal model.
Patch by: Pawel Solyga
Review by: to-be-reviewed
"""
Extracts the version of the PostgreSQL server.
"""
import re
VERSION_RE = re.compile(r'PostgreSQL (\d+)\.(\d+)\.')
def get_version(cursor):
"""
Returns a tuple representing the major and minor version number of the
server. For example, (7, 4) or (8, 3).
"""
cursor.execute("SELECT version()")
version = cursor.fetchone()[0]
major, minor = VERSION_RE.search(version).groups()
return int(major), int(minor)