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# -*- coding: utf-8 -*- |
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"""Rename file name. |
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""" |
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import os |
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import os.path |
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import re |
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from .core import Common |
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from .exceptions import InvalidNumberParameterTypeError, \ |
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ChangeFileNameOSError, InvalidImageParameterTypeError |
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from .utils.logging import get_logger |
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_logger = get_logger("change_filename") |
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class ChangeFilename(Common): |
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"""Change file name to only digit name. |
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""" |
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def __init__(self, directory_path, digits, extension): |
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"""Constructor |
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Args: |
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directory_path (str): Target directory path. |
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digits (str): Regex target digit. |
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extension (str): Target file extension. |
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""" |
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super().__init__() |
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self.__directory_path = directory_path |
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self.__digits = digits |
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self.__exist_files = [] |
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self.__extension = self._convert_extension_with_dot(extension) |
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self.__max_digit = self._check_digit_format(self.__digits) |
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self.__regex_ext = re.compile(self.__extension) |
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os.chdir(self.__directory_path) |
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@staticmethod |
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def _create_new_name(num, digit, extension): |
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"""Create only digit file name. |
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Args: |
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num (Match): Match object |
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digit (int): digit number |
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extension (str): File Extension like ".jpg" |
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Returns: |
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str: Only digit file name. |
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Raises: |
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InvalidNumberParameterTypeError: If input digit is not Match object. |
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""" |
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try: |
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return num.group().zfill(digit) + extension |
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except AttributeError as attribute_error: |
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_logger.exception(attribute_error) |
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raise InvalidNumberParameterTypeError() |
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def __check_exist_file(self, new_name, old_name, append_list): |
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"""Check current directory and exists same name file, return true. |
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Args: |
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new_name (str): Target file name. |
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old_name (str): before name |
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append_list (bool): If true, make duplicate name list |
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Returns: |
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bool: If success, return true |
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Raises: |
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ChangeFileNameOSError: If input a bad filename or path. |
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""" |
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try: |
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if os.path.isfile(new_name): |
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_logger.info("File Exist: {filename}".format(filename=new_name)) |
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if old_name != new_name and append_list: |
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_logger.debug("Append exist files list: {filename}".format(filename=old_name)) |
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self.__exist_files.append(old_name) |
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return True |
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else: |
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return False |
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except OSError as os_error: |
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_logger.exception(os_error) |
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raise ChangeFileNameOSError() |
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def __input_new_file_name(self, old_name, overwrite): |
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"""Provide input command prompt. |
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Args: |
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old_name (str): Old name |
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overwrite (bool): If true, ignore exist file name. |
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Returns: |
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str: new file name. |
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""" |
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new_name = input("Input new name? {old_name} =>".format(old_name=old_name)) |
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while self.__check_exist_file(new_name, new_name, False) and not overwrite: |
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_logger.warn("Already file exist: {new_name}") |
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new_name = input("Input Another file name {old_name} => ?".format(new_name=new_name, |
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old_name=old_name)) |
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return new_name |
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def filename_to_digit_number(self): |
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"""Change file name to only digit name. |
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Change file name contains digit like "foo001bar.txt" to |
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only digit file name like "001.txt". |
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Returns: |
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List[str]: Skipping files list by exists same name. |
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""" |
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count = 0 |
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files = self._make_file_list(self.__directory_path) |
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_logger.info("Target directory: {directory_path}".format(directory_path=self.__directory_path)) |
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_logger.info("Digit: {digits}".format(digits=self.__digits)) |
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_logger.info("Extension: {extension}".format(extension=self.__extension)) |
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_logger.info("-" * 55) |
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for file in files: |
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self._rename_digit_filename(file) |
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count += 1 |
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_logger.info("-" * 55) |
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_logger.info("Finished! Rename file count: {count}".format(count=count)) |
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return self.__exist_files |
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def async_filename_to_digit_number(self): |
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"""Change file name to only digit name on async. |
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If use this function, a little bit speedy |
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compare with filename_to_digit_number function. |
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Returns: |
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List[str]: Skipping files list by exists same name. |
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""" |
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files = self._make_file_list(self.__directory_path) |
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_logger.info("Target directory: {directory_path}".format(directory_path=self.__directory_path)) |
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_logger.info("Digit: {digits}".format(digits=self.__digits)) |
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_logger.info("Extension: {extension}".format(extension=self.__extension)) |
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_logger.info("-" * 55) |
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loop = self._get_eventloop() |
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queue = self._create_task_queue(files) |
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loop.run_until_complete(self._execute_queuing_tasks(queue, loop, None, self._rename_digit_filename)) |
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_logger.info("-" * 55) |
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_logger.info("Finished! Async rename") |
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return self.__exist_files |
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def _rename_digit_filename(self, file): |
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num = self._check_serial_number(file, self.__digits) |
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if not self._check_skip_file(file, self.__regex_ext, num): |
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new_name = self._create_new_name(num, self.__max_digit, self.__extension) |
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if not self.__check_exist_file(new_name, file, True): |
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self._rename_file(file, new_name) |
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return True |
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def change_name_manually(self, overwrite=False): |
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"""Change filename manually looking exist_file list. |
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After changing file name for filename_to_digit_number() method, |
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duplicate file name change manually. |
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Args: |
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overwrite (bool): If true, overwrite file name even if exist same name file. |
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Returns: |
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bool: If success, return True. |
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""" |
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def _flag_yes(): |
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new_name_y = self.__input_new_file_name(file, overwrite) |
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self._rename_file(file, new_name_y) |
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_logger.info("Rename: {old_name} => {new_name} \n".format(old_name=file, new_name=new_name_y)) |
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def _flag_rename(): |
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flag_delete = input("Will be {file} deleted? " |
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"OK? (y/n/c/r)".format(file=file)) # y="Yes" n="No" c="check" r="rename" |
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if flag_delete == "c": |
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self._check_image_file(file) |
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elif flag_delete in ("Y", "y"): |
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self._remove_file(file) |
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elif flag_delete == "r": |
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new_name_rename = self.__input_new_file_name(file, overwrite) |
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self._rename_file(file, new_name_rename) |
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else: |
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_logger.info("Leave file: {file}\n".format(file=file)) |
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_logger.info("-" * 55) |
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_logger.info("Manually determine file names duplicated by the serial number\n") |
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for file in self.__exist_files: |
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_logger.info("File name: {file_name}") |
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flag = input("Does it rename? (y/n/r)".format(file_name=file)) # y="Yes" n="No" r="Remove" |
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if flag in ("Y", "y"): |
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_flag_yes() |
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elif flag == "r": |
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try: |
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_flag_rename() |
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except InvalidImageParameterTypeError as invalid_image_parameter_type: |
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_logger.warn(invalid_image_parameter_type) |
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_logger.info("Skip..") |
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else: |
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_logger.info("Leave file: {file}\n".format(file=file)) |
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_logger.info("Finished.") |
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return True |
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def add_before_after_str(self, before, after): |
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"""Add file name specify string. |
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After changing file name for filename_to_digit_number() method, |
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add specify string before or after file name. |
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Args: |
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before (str): String before file name |
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after (str): String after file name |
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Returns: |
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bool: If success, return True. |
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""" |
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_logger.info("-" * 55) |
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files = self._make_file_list(self.__directory_path) |
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if before is not None: |
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_logger.info("Add {before} before serial digit".format(before=before)) |
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else: |
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before = "" |
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if after is not None: |
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_logger.info("Add {after} before serial digit".format(after=after)) |
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else: |
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after = "" |
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for file in files: |
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num = self._check_serial_number(file, self.__digits) |
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if not num: |
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_logger.debug("Skip(No number): {filename}".format(filename=str(file))) |
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else: |
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if self.__regex_ext.search(file): |
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_, center, _ = self._split_dir_root_ext(file) |
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new_name = before + center + after + self.__extension |
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if self.__check_exist_file(new_name, new_name, False): |
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pass |
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else: |
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self._rename_file(file, new_name) |
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return True |
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tubone24 /
ebook_homebrew
