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@@ -6,4 +6,5 @@ __pycache__/ | |
.coverage | ||
mieda.egg-info | ||
htmlcov | ||
build | ||
build | ||
.ipynb_checkpoints |
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def createInterval(start, finish, keys, key): | ||
new_interval = {} | ||
new_interval["start"] = start | ||
new_interval["finish"] = finish | ||
new_interval[key] = keys.copy() | ||
return new_interval | ||
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def getMainPermutations(intervals, key): | ||
conflicts = False | ||
new_intervals = [] | ||
for start_interval in intervals: | ||
for compare_interval in intervals: | ||
if start_interval["start"] >= compare_interval["finish"] or start_interval["finish"] <= compare_interval["start"]: | ||
continue | ||
conflicts = True | ||
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first_finish = start_interval["start"] | ||
if start_interval["start"] != compare_interval["start"]: | ||
first_start = min(start_interval["start"], compare_interval["start"]) | ||
first_finish = max(start_interval["start"], compare_interval["start"]) | ||
keys = start_interval[key] if start_interval["start"] < compare_interval["start"] else compare_interval[key] | ||
new_interval = createInterval(first_start, first_finish, keys, key) | ||
if new_interval not in new_intervals: | ||
new_intervals.append(new_interval) | ||
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last_start = start_interval["finish"] | ||
if start_interval["finish"] != compare_interval["finish"]: | ||
last_start = min(start_interval["finish"], compare_interval["finish"]) | ||
last_finish = max(start_interval["finish"], compare_interval["finish"]) | ||
keys = start_interval[key] if start_interval["finish"] > compare_interval["finish"] else compare_interval[key] | ||
new_interval = createInterval(last_start, last_finish, keys, key) | ||
if new_interval not in new_intervals: | ||
new_intervals.append(new_interval) | ||
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new_interval = createInterval(first_finish, last_start, start_interval[key].union(compare_interval[key]), key) | ||
if new_interval not in new_intervals: | ||
new_intervals.append(new_interval) | ||
return conflicts, new_intervals | ||
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def resolveConflicts(intervals, key): | ||
resolved_intervals = [] | ||
skip = {} | ||
unresolved = False | ||
for i, start_interval in enumerate(intervals): | ||
if (start_interval["start"], start_interval["finish"]) in skip: | ||
continue | ||
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conflict = False | ||
for j, compare_interval in enumerate(intervals): | ||
if start_interval["start"] == compare_interval["start"] and start_interval["finish"] > compare_interval["finish"]: | ||
compare_interval[key] = compare_interval[key].union(start_interval[key]) | ||
conflict = True | ||
break | ||
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if start_interval["start"] < compare_interval["start"] < start_interval["finish"]: | ||
unresolved = True | ||
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elif (start_interval["start"], start_interval["finish"]) == (compare_interval["start"], compare_interval["finish"]): | ||
start_interval[key] = start_interval[key].union(compare_interval[key]) | ||
skip[(start_interval["start"], start_interval["finish"])] = True | ||
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if not conflict: | ||
resolved_intervals.append(start_interval) | ||
return unresolved, resolved_intervals | ||
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class Merge: | ||
@staticmethod | ||
def union(intervals: list, key: str = "set_items"): | ||
while True: | ||
conflict, intervals = getMainPermutations(intervals, key) | ||
unresolved, intervals = resolveConflicts(intervals, key) if conflict else (False, intervals) | ||
if not unresolved: | ||
break | ||
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return intervals |
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from operator import itemgetter | ||
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def create_interval(start, finish, keys, key): | ||
new_interval = {"start": start, "finish": finish} | ||
new_interval[key] = keys | ||
return new_interval | ||
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def get_max_list_intervals(max_list, key): | ||
max_list = sorted(max_list, key=lambda x: x["point"]) | ||
intervals = [] | ||
open_ints = set() | ||
last_interval = max_list[0] | ||
for interval in max_list: | ||
if open_ints and last_interval["point"] != interval["point"]: | ||
intervals.append(create_interval(last_interval["point"], interval["point"], open_ints, key)) | ||
open_ints = open_ints.union(interval["keys"]) if interval["label"] == "start" else open_ints.difference(interval["keys"]) | ||
last_interval = interval | ||
return intervals | ||
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def create_vertex(interval, label, key): | ||
vertex = {"point": interval[label], "keys": interval[key], "label": label} | ||
return vertex | ||
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class Merge: | ||
@staticmethod | ||
def union(intervals: list, key: str = "set_items"): | ||
max_list = [] | ||
for interval in intervals: | ||
max_list.append(create_vertex(interval, "start", key)) | ||
max_list.append(create_vertex(interval, "finish", key)) | ||
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return get_max_list_intervals(max_list, key) |
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