91 lines
3.1 KiB
Python
91 lines
3.1 KiB
Python
import csv
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import logging
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import os
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import re
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from typing import Iterable
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def find_all_candidates(input_dir: str, regex: str, recursive: bool):
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logging.info(
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'Searching "%s" for files that match "%s" %s',
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input_dir,
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regex,
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"recursively" if recursive else "non-recursively",
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)
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results = []
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for subitem in os.listdir(input_dir):
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subitem_path = os.path.join(input_dir, subitem)
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match = re.match(regex, subitem)
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if os.path.isdir(subitem_path) and recursive:
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logging.debug(f'Checking directory "{subitem}"...')
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results.extend(find_all_candidates(subitem_path, regex, recursive))
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else:
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if not match:
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logging.debug(f'Ignoring "{subitem}"...')
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continue
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results.append((subitem_path, subitem, match))
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logging.debug(f'Collecting "{subitem}"...')
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if len(results) < 1:
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logging.info(
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'No results found matching "%s" in "%s". Please double check your REGEX '
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"pattern and directory being searched.",
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regex,
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input_dir,
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)
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return results
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def rename_by_csv(
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csv_path: str,
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candidates: Iterable[tuple[str, str, re.Match]],
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current: str,
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become: str,
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dry: bool,
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extension: str,
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keep_extension: bool,
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):
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replacement_dict = {}
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with open(csv_path, "r") as csv_fd:
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reader = csv.reader(csv_fd)
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current_col_ind = None
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become_col_ind = None
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for row in reader:
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if current_col_ind is None and become_col_ind is None:
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current_col_ind = row.index(current)
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become_col_ind = row.index(become)
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continue
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if (
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row[current_col_ind] in replacement_dict
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and replacement_dict[row[current_col_ind]] != row[become_col_ind]
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):
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raise Exception("Duplicate current key.")
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replacement_dict[row[current_col_ind]] = row[become_col_ind]
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for subitem_path, subitem, match in candidates:
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if match.group(1) not in replacement_dict:
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logging.warning(
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'Group "%s" was not matched to any row in the provided CSV. '
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"Skipping...",
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match.group(1),
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)
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continue
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original = subitem_path
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objective = os.path.join(
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os.path.dirname(subitem_path),
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re.sub(match.re, replacement_dict[match.group(1)], subitem.strip()),
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)
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if extension:
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objective += ("." if not extension.startswith(".") else "") + extension
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if keep_extension:
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objective += os.path.splitext(subitem_path)[1]
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logging.info(f'Will rename "{original}" to "{os.path.basename(objective)}"')
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if os.path.exists(objective):
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logging.error(
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f'Path at "{objective}" exists, not continuing. '
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"Use -f to overwrite instead of stopping."
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)
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exit(1)
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if not dry:
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os.rename(original, objective)
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if dry:
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logging.info("No file names were modified.")
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