common_func.py
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#-*- coding:utf-8 -*-
#Copyright (c) 2012, Bartłomiej Nitoń
#All rights reserved.
#Redistribution and use in source and binary forms, with or without modification, are permitted provided
#that the following conditions are met:
# Redistributions of source code must retain the above copyright notice, this list of conditions and
# the following disclaimer.
# Redistributions in binary form must reproduce the above copyright notice, this list of conditions
# and the following disclaimer in the documentation and/or other materials provided with the distribution.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
'''
Common functions used in Slowal application.
'''
from collections import Counter
from dictionary.models import Position, sortPositions, sortArguments, sortFrameChars
#locale.setlocale(locale.LC_ALL, 'pl_PL.UTF-8')
def getArgsList(arguments, real_arg_models):
if real_arg_models:
argument_objs = []
for argument in arguments:
has_realizations = False
for arg_model in real_arg_models:
if argument.type == arg_model.arg_model_name:
has_realizations = True
if argument.realizations.count() > 0:
argument_objs.extend(argument.realizations.all())
else:
argument_objs.append(argument)
break
if not has_realizations:
argument_objs.append(argument)
if len(argument_objs) != len(arguments):
argument_objs = getArgsList(argument_objs, real_arg_models)
return argument_objs
else:
return arguments
def args_to_pos_lists(arguments):
positions_objs = []
for arg in arguments:
pos_text_rep = '{%s}' % (arg.text_rep)
pos_objs = Position.objects.filter(text_rep=pos_text_rep)
if pos_objs.count() > 0:
pos_obj = pos_objs.all()[0]
else:
pos_obj = Position(text_rep=pos_text_rep)
pos_obj.save()
pos_obj.arguments.add(arg)
positions_objs.append(pos_obj)
sorted_positions = []
sorted_pos_dict = sortPositions(positions_objs)
for pos_dict in sorted_pos_dict:
sorted_positions.append(pos_dict['position'])
sort_pos_str_tab = []
for sort_pos in sorted_positions:
sort_pos_str_tab.append(sort_pos.text_rep)
return (sort_pos_str_tab, positions_objs)
def position_data_to_text_rep(categories, arguments):
sorted_arguments = sortArguments(arguments.all())
sorted_categories = categories.order_by('priority')
args_text_reps = [arg.text_rep for arg in sorted_arguments]
cats_text_reps = [cat.category for cat in sorted_categories]
position_text_rep = u'%s{%s}' % (','.join(cats_text_reps), ';'.join(args_text_reps))
return position_text_rep
def frame_data_to_text_rep(characteristics, positions):
sorted_chars = sortFrameChars(characteristics.all())
sorted_positions = sortPositions(positions.all())
chars_text_reps = [char.value.value for char in sorted_chars]
positions_text_reps = [pos['position'].text_rep for pos in sorted_positions]
frame_text_rep = u'%s:%s' % (':'.join(chars_text_reps), '+'.join(positions_text_reps))
return frame_text_rep
#######################
def subframe_exists(frames, subframe):
exists = False
for frame in frames:
if is_subframe(frame, subframe):
exists = True
break
return exists
def is_subframe(frame, subframe, ignore_characteristics=True):
match = False
wrong_frame = False
for subframe_pos in subframe.positions.all():
unmatched_poss = list(frame.positions.all())
smallest_poss = None
for frame_pos in unmatched_poss:
frame_args = set(frame_pos.arguments.all())
subframe_args = set(subframe_pos.arguments.all())
if len(subframe_args - frame_args) == 0:
if (not smallest_poss or
smallest_poss.arguments.count() > frame_pos.arguments.count()):
smallest_poss = frame_pos
if not smallest_poss:
wrong_frame = True
else:
unmatched_poss.remove(smallest_poss)
if not wrong_frame:
match = True
return match
def frame_structure_exists(frames, searched_frame):
exists = False
for frame in frames:
if have_same_structure(frame, searched_frame):
exists = True
break
return exists
# sprawdza czy dwa schematy posiadaj taka sama strukture, nie uwzglednia charakterystyk schematu
def have_same_structure(frame1, frame2):
same_structure = True
if (frame1.positions.count() == frame2.positions.count()):
for pos1 in frame1.positions.all():
pos_match = False
for pos2 in frame2.positions.all():
if have_same_positions_structure(pos1, pos2):
pos_match = True
break
if not pos_match:
same_structure = False
break
else:
same_structure = False
return same_structure
def have_same_positions_structure(pos1, pos2):
same_structure = False
pos1_args = Counter(pos1.arguments.all())
pos2_args = Counter(pos2.arguments.all())
pos1_cats = Counter(pos1.categories.all())
pos2_cats = Counter(pos2.categories.all())
if(pos1_args == pos2_args and pos1_cats==pos2_cats):
same_structure = True
return same_structure