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import csv |
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import os |
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from typing import List, Optional |
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from backuppc_clone.ProgressBar import ProgressBar |
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from backuppc_clone.style.BackupPcCloneStyle import BackupPcCloneStyle |
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View Code Duplication |
class PoolScanner: |
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""" |
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Helper class for scanning pool and backup directories. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __init__(self, io: BackupPcCloneStyle): |
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""" |
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Object constructor. |
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@param BackupPcCloneStyle io: The output style. |
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""" |
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self.__io: BackupPcCloneStyle = io |
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""" |
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The output style. |
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""" |
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self.__count: int = 0 |
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""" |
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The file count. |
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""" |
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self.__progress: Optional[ProgressBar] = None |
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""" |
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The progress bar. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def count(self) -> int: |
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""" |
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Returns the number of found files. |
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""" |
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return self.__count |
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# ------------------------------------------------------------------------------------------------------------------ |
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@staticmethod |
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def __get_number_of_pool_dirs(dir_name: str) -> int: |
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""" |
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Returns the (estimate) number of directories in a pool. |
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@param str dir_name: The name of the directory. |
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:rtype: int |
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""" |
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if os.path.isdir(os.path.join(dir_name, '0')) and \ |
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os.path.isdir(os.path.join(dir_name, 'f')): |
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return 1 + 16 + 16 * 16 + 16 * 16 * 16 |
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return 1 |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __scan_directory_helper2(self, parent_dir: str, dir_name: str, csv_writer: csv.writer) -> None: |
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""" |
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Scans recursively a list of directories and stores filenames and directories in CSV format. |
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@param str parent_dir: The name of the parent directory. |
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@param str dir_name: The name of the directory. |
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@param csv.writer csv_writer: The CSV writer. |
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""" |
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sub_dir_names = [] |
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for entry in os.scandir(os.path.join(parent_dir, dir_name)): |
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if entry.is_file(): |
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self.__count += 1 |
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csv_writer.writerow((entry.inode(), dir_name, entry.name)) |
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elif entry.is_dir(): |
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sub_dir_names.append(entry.name) |
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for sub_dir_name in sub_dir_names: |
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self.__scan_directory_helper2(parent_dir, os.path.join(dir_name, sub_dir_name), csv_writer) |
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self.__progress.advance() |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __scan_directory_helper1(self, parent_dir: str, dir_name: str, csv_writer: csv.writer) -> None: |
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""" |
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Scans recursively a list of directories and stores filenames and directories in CSV format. |
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@param str parent_dir: The name of the parent directory. |
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@param str dir_name: The name of the directory. |
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@param csv.writer csv_writer: The CSV writer. |
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""" |
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dir_target = os.path.join(parent_dir, dir_name) |
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self.__io.writeln(' Scanning <fso>{}</fso>'.format(dir_target)) |
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self.__io.writeln('') |
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dir_count = self.__get_number_of_pool_dirs(dir_target) |
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self.__progress = ProgressBar(self.__io, dir_count) |
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self.__scan_directory_helper2(parent_dir, dir_name, csv_writer) |
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self.__progress.finish() |
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self.__io.writeln('') |
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# ------------------------------------------------------------------------------------------------------------------ |
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def scan_directory(self, parent_dir: str, dir_names: List[str], csv_filename: str) -> None: |
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""" |
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Scans recursively a list of directories and stores filenames and directories in CSV format. |
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@param str parent_dir: The name of the parent dir. |
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@param list[str] dir_names: The list of directories to scan. |
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@param str csv_filename: The filename of the CSV file. |
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""" |
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self.__count = 0 |
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with open(csv_filename, 'w') as csv_file: |
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csv_writer = csv.writer(csv_file) |
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if not dir_names: |
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self.__scan_directory_helper1(parent_dir, '', csv_writer) |
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else: |
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for dir_name in dir_names: |
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self.__scan_directory_helper1(parent_dir, dir_name, csv_writer) |
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# ---------------------------------------------------------------------------------------------------------------------- |
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SetBased /
BackupPC-Clone
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