Files
FCCS/fccs_reorganize.py

143 lines
4.7 KiB
Python

"""
Step 3: Reorganize flat exported files into a proper folder structure.
Parses FCCS export filenames using known folder names and date anchors
to reconstruct the original drawer/folder hierarchy.
Filename format:
{drawer_id}_{client_name}_{folder_name}_{MM-DD-YYYY}_{document_name}.ext
Example: 01069_SMITH, BOB_2007 Tax Documents_02-10-2009_2007 Form 1040A Page 1.pdf
Output structure:
output/{drawer_id}_{client_name}/{folder_name}/{original_filename}
Files that cannot be parsed go to output/_unparsed/ for manual review.
"""
import os
import re
import shutil
import sys
from fccs_config import parse_args, load_config, make_logger, load_folder_list
def parse_filename(filename, known_folders):
"""
Parse an FCCS export filename into (drawer_id, client_name, folder_name,
date, doc_name_with_ext) or return None if it cannot be parsed.
Strategy: anchor on drawer_id (left), date MM-DD-YYYY (middle), and match
a known folder name between client_name and date.
"""
stem, ext = os.path.splitext(filename)
# Drawer ID is always the first underscore-delimited token
sep = stem.find("_")
if sep == -1:
return None
drawer_id = stem[:sep]
rest = stem[sep + 1:]
# Find all date-pattern occurrences (MM-DD-YYYY) in rest
# We search with a leading underscore context to ensure proper boundaries
date_pattern = re.compile(r"_(\d{2}-\d{2}-\d{4})_")
# Prepend underscore so the first potential date at position 0 of rest is caught
search_str = "_" + rest
matches = list(date_pattern.finditer(search_str))
if not matches:
return None
# Try each date match; known_folders is already sorted longest-first
for m in matches:
date_str = m.group(1)
# Position in `rest` where date starts (adjust for prepended _)
date_start_in_rest = m.start() - 1 # -1 for the prepended _
# But the match includes the leading _, so the actual content before date:
before_date = rest[:date_start_in_rest]
after_date = rest[date_start_in_rest + len(date_str) + 1:] # +1 for trailing _
# Try to match a known folder at the end of before_date
for folder in known_folders:
if before_date.endswith(folder):
# Check there's an underscore separator before the folder name
prefix_end = len(before_date) - len(folder)
if prefix_end > 0 and before_date[prefix_end - 1] == "_":
client_name = before_date[: prefix_end - 1]
doc_name = after_date + ext
return (drawer_id, client_name, folder, date_str, doc_name)
return None
def main():
args = parse_args()
cfg = load_config(args.config)
log = make_logger(cfg.get("paths", "log_file"))
export_dir = cfg.get("paths", "export_dir")
output_dir = cfg.get("paths", "output_dir")
folder_list_path = cfg.get("paths", "folder_list")
if not os.path.isdir(export_dir):
log(f"ERROR: export directory not found: {export_dir}")
sys.exit(1)
known_folders = load_folder_list(folder_list_path)
if not known_folders:
log("WARNING: folder list is empty. All files will go to _unparsed/.")
# Sort longest-first to prevent partial matches
known_folders.sort(key=len, reverse=True)
files = [
f for f in os.listdir(export_dir)
if os.path.isfile(os.path.join(export_dir, f))
]
log(f"Found {len(files)} files to reorganize")
success = 0
failed = 0
for filename in files:
result = parse_filename(filename, known_folders)
if result is None:
log(f" UNPARSED: {filename}")
dest_dir = os.path.join(output_dir, "_unparsed")
failed += 1
else:
drawer_id, client_name, folder_name, date, doc_name = result
dest_dir = os.path.join(
output_dir,
f"{drawer_id}_{client_name}",
folder_name,
)
success += 1
os.makedirs(dest_dir, exist_ok=True)
src = os.path.join(export_dir, filename)
dst = os.path.join(dest_dir, filename)
# Handle duplicate filenames
if os.path.exists(dst):
base, fext = os.path.splitext(filename)
counter = 1
while os.path.exists(dst):
dst = os.path.join(dest_dir, f"{base}_{counter}{fext}")
counter += 1
log(f" DUPLICATE renamed: {filename} -> {os.path.basename(dst)}")
shutil.copy2(src, dst)
log("=" * 60)
log(f"Reorganization complete: {success} organized, {failed} unparsed")
if failed:
log(f"Review unparsed files in: {os.path.join(output_dir, '_unparsed')}")
log("=" * 60)
if __name__ == "__main__":
main()