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77 lines
2.6 KiB
Python
Executable File
77 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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from six.moves import input, map, range
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import glob
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import os
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import sys
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import fileinput
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import re
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from typing import List
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def validate_order(order, length):
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# type: (List[int], int) -> None
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if len(order) != length:
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print("Please enter the sequence of all the conflicting files at once")
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sys.exit(1)
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for i in order:
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if i > length or i < 1 or order.count(i) > 1:
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print("Incorrect input")
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sys.exit(1)
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def renumber_migration(conflicts, order, last_correct_migration):
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# type: (List[str], List[int], str) -> None
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stack = [] # type: List[str]
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for i in order:
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if conflicts[i-1][0:4] not in stack:
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stack.append(conflicts[i-1][0:4])
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else:
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# Replace dependencies with the last correct migration
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file = fileinput.FileInput('zerver/migrations/' + conflicts[i-1], inplace=True)
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for line in file:
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print(re.sub(r'[\d]+(_[a-z0-9]+)+', last_correct_migration, line), end='')
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# Rename the migration indexing at the end
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new_name = conflicts[i-1].replace(conflicts[i-1][0:4],
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'%04d' % (int(last_correct_migration[0:4]) + 1,))
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os.rename('zerver/migrations/' + conflicts[i-1], 'zerver/migrations/' + new_name)
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last_correct_migration = new_name.replace('.py', '')
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def resolve_conflicts(conflicts, files_list):
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# type: (List[str], List[str]) -> None
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print("Conflicting migrations:")
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for i in range(0, len(conflicts)):
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print(str(i+1) + '. ' + conflicts[i])
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order_input = input("Enter the order in which these migrations should be arranged: ")
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order = list(map(int, order_input.split()))
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validate_order(order, len(conflicts))
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last_correct_migration = conflicts[order[0] - 1]
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last_correct_migration = last_correct_migration.replace('.py', '')
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renumber_migration(conflicts, order, last_correct_migration)
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if __name__ == '__main__':
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while True:
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conflicts = [] # type: List[str]
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stack = [] # type: List[str]
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files_list = [os.path.basename(path) for path in glob.glob("zerver/migrations/????_*.py")]
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file_index = [file[0:4] for file in files_list]
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for file in file_index:
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counter = file_index.count(file[0:4])
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if counter > 1 and file[0:4] not in stack:
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conflicts += [file_name for file_name in files_list if file[0:4] in file_name]
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stack.append(file[0:4])
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if len(conflicts) > 0:
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resolve_conflicts(conflicts, files_list)
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else:
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break
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print("All conflicts resolved")
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