SetBased /
BackupPC-Clone
| Total Complexity | 9 |
| Total Lines | 116 |
| Duplicated Lines | 87.93 % |
| Changes | 0 | ||
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | """ |
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| 2 | BackupPC Clone |
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| 3 | """ |
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| 4 | import os |
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| 5 | import time |
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| 6 | |||
| 7 | from backuppc_clone.Config import Config |
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| 8 | from backuppc_clone.DataLayer import DataLayer |
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| 9 | from backuppc_clone.ProgressBar import ProgressBar |
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| 10 | from backuppc_clone.helper.PoolScanner import PoolScanner |
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| 11 | from backuppc_clone.style.BackupPcCloneStyle import BackupPcCloneStyle |
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| 12 | |||
| 13 | |||
| 14 | View Code Duplication | class PoolSync: |
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Duplication
introduced
by
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| 15 | """ |
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| 16 | Inventories the original pool, prunes the clone pool and maintains the database. |
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| 17 | """ |
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| 18 | |||
| 19 | # ------------------------------------------------------------------------------------------------------------------ |
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| 20 | def __init__(self, io: BackupPcCloneStyle): |
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| 21 | """ |
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| 22 | Object constructor. |
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| 23 | |||
| 24 | :param BackupPcCloneStyle io: The output style. |
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| 25 | """ |
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| 26 | |||
| 27 | self.__io: BackupPcCloneStyle = io |
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| 28 | """ |
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| 29 | The output style. |
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| 30 | """ |
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| 31 | |||
| 32 | # ------------------------------------------------------------------------------------------------------------------ |
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| 33 | def __clean_clone_pool(self) -> None: |
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| 34 | """ |
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| 35 | Removes obsolete files from pool of clone. |
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| 36 | """ |
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| 37 | self.__io.writeln('') |
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| 38 | self.__io.section('Clone pool') |
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| 39 | self.__io.writeln('') |
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| 40 | |||
| 41 | file_count = DataLayer.instance.pool_prepare_obsolete_clone_files() |
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| 42 | progress = ProgressBar(self.__io.output, file_count) |
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| 43 | |||
| 44 | top_dir_clone = Config.instance.top_dir_clone |
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| 45 | count = 0 |
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| 46 | for rows in DataLayer.instance.pool_yield_obsolete_clone_files(): |
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| 47 | for row in rows: |
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| 48 | try: |
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| 49 | path = os.path.join(top_dir_clone, row['bpl_dir'], row['bpl_name']) |
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| 50 | self.__io.log_very_verbose('Removing <fso>{}</fso>'.format(path)) |
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| 51 | os.remove(path) |
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| 52 | count += 1 |
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| 53 | except FileNotFoundError: |
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| 54 | # Nothing to do. |
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| 55 | pass |
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| 56 | |||
| 57 | DataLayer.instance.pool_delete_row(row['bpl_id']) |
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| 58 | progress.advance() |
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| 59 | |||
| 60 | progress.finish() |
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| 61 | |||
| 62 | self.__io.writeln('') |
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| 63 | self.__io.writeln(' Files removed: {}'.format(count)) |
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| 64 | self.__io.writeln('') |
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| 65 | |||
| 66 | # ------------------------------------------------------------------------------------------------------------------ |
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| 67 | def __scan_original_pool(self, csv_filename: str) -> None: |
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| 68 | """ |
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| 69 | Scans the pool of the original and stores the data into a CSV file. |
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| 70 | |||
| 71 | :param str csv_filename: The name of the CSV file. |
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| 72 | """ |
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| 73 | self.__io.section('Original pool') |
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| 74 | |||
| 75 | scanner = PoolScanner(self.__io) |
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| 76 | scanner.scan_directory(Config.instance.top_dir_original, ['pool', 'cpool'], csv_filename) |
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| 77 | |||
| 78 | self.__io.writeln(' Files found: {}'.format(scanner.count)) |
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| 79 | self.__io.writeln('') |
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| 80 | |||
| 81 | # ------------------------------------------------------------------------------------------------------------------ |
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| 82 | def __import_csv(self, csv_filename: str) -> None: |
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| 83 | """ |
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| 84 | Imports to CSV file with entries of the original pool into the SQLite database. |
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| 85 | |||
| 86 | :param str csv_filename: The name of the CSV file. |
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| 87 | """ |
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| 88 | self.__io.log_verbose(' Importing <fso>{}</fso> into <dbo>IMP_POOL</dbo>'.format(csv_filename)) |
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| 89 | |||
| 90 | DataLayer.instance.import_csv('IMP_POOL', ['imp_inode', 'imp_dir', 'imp_name'], csv_filename) |
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| 91 | |||
| 92 | # ------------------------------------------------------------------------------------------------------------------ |
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| 93 | def __update_database(self) -> None: |
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| 94 | """ |
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| 95 | Updates the database. |
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| 96 | """ |
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| 97 | self.__io.log_verbose(' Updating <dbo>BKC_POOL</dbo>') |
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| 98 | self.__io.writeln('') |
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| 99 | |||
| 100 | DataLayer.instance.pool_delete_obsolete_original_rows() |
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| 101 | DataLayer.instance.pool_insert_new_original() |
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| 102 | |||
| 103 | # ------------------------------------------------------------------------------------------------------------------ |
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| 104 | def synchronize(self) -> None: |
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| 105 | """ |
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| 106 | Inventories the original pool, prunes the clone pool and maintains the database. |
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| 107 | """ |
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| 108 | Config.instance.last_pool_scan = int(time.time()) |
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| 109 | |||
| 110 | csv_filename = os.path.join(Config.instance.tmp_dir_clone, 'pool.csv') |
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| 111 | |||
| 112 | self.__scan_original_pool(csv_filename) |
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| 113 | self.__import_csv(csv_filename) |
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| 114 | self.__clean_clone_pool() |
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| 115 | self.__update_database() |
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| 116 | |||
| 118 |
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