cannabis_results / analysis /parse_results.py
keeganskeate's picture
latest-2024-08-11 (#6)
d1ae506 verified
# Standard imports:
import os
from typing import List, Optional
# External imports:
from cannlytics.data.cache import Bogart
from cannlytics.data.coas import CoADoc
def get_pdf_files(
pdf_dir,
min_file_size: Optional[int] = 21_000,
) -> list:
"""Get all of the PDFs in the nested directory."""
pdfs = []
for root, _, files in os.walk(pdf_dir):
for file in files:
if file.endswith('.pdf'):
file_path = os.path.join(root, file)
file_size = os.path.getsize(file_path)
if file_size >= min_file_size:
pdfs.append(file_path)
return pdfs
def parse_coa_pdfs(
pdfs: List[str],
parser: Optional[CoADoc] = None,
cache: Optional[Bogart] = None,
reverse: Optional[bool] = False,
verbose: Optional[bool] = True,
key: Optional[str] = 'coa_pdf',
) -> list:
"""Parse corresponding COAs from a DataFrame in a PDF directory."""
all_results = []
if parser is None: parser = CoADoc()
if verbose: print(f'Parsing {len(pdfs)} PDFs...')
if reverse: pdfs = pdfs[::-1]
for pdf in pdfs:
if not os.path.exists(pdf):
if verbose: print(f'PDF not found: {pdf}')
continue
pdf_hash = cache.hash_file(pdf)
if cache is not None:
if cache.get(pdf_hash):
if verbose: print('Cached:', pdf)
all_results.append(cache.get(pdf_hash))
continue
try:
coa_data = parser.parse_pdf(pdf, verbose=verbose)
if isinstance(coa_data, list): coa_data = coa_data[0]
coa_data[key] = os.path.basename(pdf)
all_results.append(coa_data)
if cache is not None: cache.set(pdf_hash, coa_data)
if verbose: print(f'Parsed PDF: {pdf}')
except Exception as e:
parser.quit()
if verbose:
print(f'Failed to parse PDF: {pdf}')
print(e)
return all_results