754 lines
30 KiB
Python
754 lines
30 KiB
Python
from fastapi import FastAPI, UploadFile, HTTPException, Body
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from PIL import Image
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import pytesseract
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from doctr.models import ocr_predictor
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from doctr.io import DocumentFile
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from PyPDF2 import PdfReader
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import camelot
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import spacy
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import logging
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import io
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from logging.handlers import RotatingFileHandler
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import re
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LOG_PATH = "/var/log/automation-service.log"
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file_handler = RotatingFileHandler(
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LOG_PATH,
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maxBytes=10*1024*1024,
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backupCount=5,
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encoding="utf-8"
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)
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file_handler.setFormatter(logging.Formatter(
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"%(asctime)s - %(levelname)s - %(name)s - %(message)s"
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))
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# class AHKParser:
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# lab="AHK"
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# def parse(self,text):
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# r=empty_weight_report("AHK")
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# inv=section(text,"INVOICE WEIGHTS","Bales Weighed")
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# land=section(text,"Bales Weighed","Outturn")
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# loss=section(text,"LOSS","Invoice average")
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# r["report"]["reference"]=safe_search(r"(AHK\s*/\S+)",text)
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# r["report"]["date"]=extract("Produced On",text)
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# r["contract"]["invoice_no"]=extract("Client Reference",text)
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# r["contract"]["origin"]=extract("Growth",text)
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# r["contract"]["commodity"]="Raw Cotton"
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# r["parties"]["seller"]=extract("Client",text)
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# r["parties"]["buyer"]=extract("Buyer",text)
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# r["shipment"]["vessel"]=extract("Vessel",text)
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# r["shipment"]["bl_no"]=extract("B/L No",text)
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# r["shipment"]["port_destination"]=extract("Destination",text)
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# r["shipment"]["arrival_date"]=extract("Arrival Date",text)
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# r["shipment"]["weighing_method"]=extract("Weighing method",text)
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# r["shipment"]["bales"]=to_float(extract("Total Bales",text))
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# r["weights"]["gross_landed_kg"]=to_float(extract("Gross",land))
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# r["weights"]["tare_kg"]=to_float(extract("Tare",land))
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# r["weights"]["net_landed_kg"]=to_float(extract("Net",land))
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# r["weights"]["invoice_net_kg"]=to_float(extract("Net",inv))
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# r["weights"]["gain_loss_kg"]=to_float(extract("kg",loss))
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# r["weights"]["gain_loss_percent"]=to_float(extract("Percentage",loss))
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# return r
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# class AHKParser:
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# lab = "AHK"
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# def extract_table(self, text, headers):
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# lines = [l.strip() for l in text.splitlines() if l.strip()]
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# out = {}
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# for h in headers:
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# for i,l in enumerate(lines):
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# if l == h:
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# for j in range(i+1, i+8):
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# if j < len(lines) and lines[j].startswith(":"):
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# out[h] = lines[j][1:].strip()
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# break
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# return out
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# def extract_weights(self, text):
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# lines = [l.strip() for l in text.splitlines() if l.strip()]
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# res = {}
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# for i,l in enumerate(lines):
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# if l == "Bales Weighed":
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# headers = ["Bales","Gross","Tare","Net"]
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# for h in headers:
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# for j in range(i, i+20):
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# if j < len(lines) and lines[j].startswith(":"):
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# res[h] = lines[j][1:].replace("kg","").strip()
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# break
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# return res
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# def parse(self, text):
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# r = empty_weight_report("AHK")
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# # report
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# r["report"]["reference"] = safe_search(r"(AHK\s*/[A-Z0-9/]+)", text)
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# r["report"]["date"] = safe_search(r"Produced On\s*([0-9A-Za-z ]+)", text)
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# # contract
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# r["contract"]["invoice_no"] = safe_search(r"Client Reference:\s*([A-Z0-9\- /]+)", text)
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# r["contract"]["commodity"] = "Raw Cotton"
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# # buyer
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# r["parties"]["buyer"] = safe_search(r"Buyer:\s*([A-Z0-9 ().,-]+)", text)
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# # shipment tables
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# ship = self.extract_table(text, [
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# "Total Bales","Vessel","Voy. No.","B/L No.","B/L Date","Destination"
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# ])
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# ship2 = self.extract_table(text, [
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# "Growth","Arrival Date","First date of weighing",
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# "Last Date of Weighing","Weighing method","Tare"
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# ])
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# r["shipment"]["bales"] = to_float(ship.get("Total Bales"))
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# r["shipment"]["vessel"] = ship.get("Vessel")
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# r["shipment"]["bl_no"] = ship.get("B/L No.")
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# r["shipment"]["port_destination"] = ship.get("Destination")
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# r["shipment"]["arrival_date"] = ship2.get("Arrival Date")
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# r["shipment"]["weighing_method"] = ship2.get("Weighing method")
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# r["contract"]["origin"] = ship2.get("Growth")
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# # weights
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# inv = self.extract_table(text, ["Bales","Gross","Tare","Net"])
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# land = self.extract_weights(text)
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# r["weights"]["invoice_net_kg"] = to_float(inv.get("Net"))
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# r["weights"]["gross_landed_kg"] = to_float(land.get("Gross"))
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# r["weights"]["tare_kg"] = to_float(land.get("Tare"))
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# r["weights"]["net_landed_kg"] = to_float(land.get("Net"))
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# # loss
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# loss = section(text,"LOSS","Invoice average")
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# r["weights"]["gain_loss_kg"] = to_float(safe_search(r"(-?\d+\.?\d*)\s*kg", loss))
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# r["weights"]["gain_loss_percent"] = to_float(safe_search(r"Percentage\s*:\s*(-?\d+\.?\d*)", loss))
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# return r
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import re
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from typing import List, Dict, Optional
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class AHKParser:
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lab = "AHK"
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# ---------- Helpers ----------
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def _norm(self, text: str) -> str:
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# Normalise espaces/entités, supprime artefacts typiques d'OCR
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t = (text.replace("\u00a0", " ")
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.replace(" ", " ")
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.replace("**", " ")
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.replace("\t", " "))
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# Supprime espaces multiples
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t = re.sub(r"[ ]{2,}", " ", t)
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# Aligne "Page of" etc. (inutile au parsing)
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return t.strip()
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def _safe_search(self, pat: str, text: str, flags=0) -> Optional[str]:
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m = re.search(pat, text, flags)
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return m.group(1).strip() if m else None
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def _to_float(self, s: Optional[str]) -> Optional[float]:
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if not s:
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return None
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s = s.replace(",", "").replace("kg", "").replace("%", "").strip()
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# enlève éventuels espaces après le signe
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s = re.sub(r"^([+\-])\s+", r"\1", s)
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try:
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return float(s)
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except ValueError:
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return None
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def _split_lines(self, text: str) -> List[str]:
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lines = [l.strip() for l in re.split(r"\r?\n", text) if l.strip()]
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return lines
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def _take_next_colon_values(self, lines: List[str], start_idx: int, count: int) -> List[str]:
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"""
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Récupère, à partir de start_idx (exclu), les 'count' prochaines valeurs qui suivent un ':'.
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Tolère plusieurs valeurs sur la même ligne: ex ': A : B : C'
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"""
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vals = []
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j = start_idx + 1
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while j < len(lines) and len(vals) < count:
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# attrape toutes les occurrences sur la ligne
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parts = re.findall(r":\s*([^:]+?)(?=\s*(?::|$))", lines[j])
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for v in parts:
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if len(vals) < count:
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vals.append(v.strip())
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j += 1
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return vals
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def _extract_group_by_headers(self, text: str, headers: List[str], anchor_regex: Optional[str]=None) -> Dict[str, str]:
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"""
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Trouve une ligne contenant tous les headers (dans l'ordre) OU une ancre fournie,
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puis mappe les N valeurs suivantes (débutant par ':') aux headers.
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"""
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lines = self._split_lines(self._norm(text))
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# construire regex qui force l'ordre des headers
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hdr_regex = r"\b" + r"\s+".join([re.escape(h) for h in headers]) + r"\b"
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start_idx = None
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for i, l in enumerate(lines):
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if anchor_regex and re.search(anchor_regex, l, flags=re.I):
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start_idx = i
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break
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if re.search(hdr_regex, l):
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start_idx = i
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break
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if start_idx is None:
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return {}
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values = self._take_next_colon_values(lines, start_idx, len(headers))
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return {h: (values[idx] if idx < len(values) else None) for idx, h in enumerate(headers)}
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# ---------- API compatibles avec ton code ----------
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def extract_table(self, text: str, headers: List[str]) -> Dict[str, str]:
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# version robuste: détecte headers groupés et prend les valeurs en séquence
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return self._extract_group_by_headers(text, headers)
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def extract_weights(self, text: str, anchor: Optional[str]=None) -> Dict[str, str]:
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"""
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Extrait un bloc de poids Bales/Gross/Tare/Net.
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- Si anchor est défini (ex. 'Bales Weighed'), on part de cette ancre.
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- Sinon on cherche la ligne d'en-têtes 'Bales Gross Tare Net'.
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"""
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headers = ["Bales", "Gross", "Tare", "Net"]
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block = self._extract_group_by_headers(text, headers,
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anchor_regex=anchor if anchor else None)
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# nettoyage des unités pour les poids
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clean = {}
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for k, v in block.items():
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if v is None:
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clean[k] = None
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else:
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clean[k] = v.replace("kg", "").strip()
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return clean
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# ---------- Parse principal ----------
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def parse(self, text: str) -> dict:
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# si tu as déjà empty_weight_report(), réutilise-le
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r = {
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"report": {},
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"contract": {},
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"parties": {},
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"shipment": {},
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"weights": {}
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}
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T = self._norm(text)
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# report
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# Exemple PDF: "AHK S/790329/161112/PK" (il y a un espace après AHK)
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r["report"]["reference"] = self._safe_search(r"(AHK\s+[A-Z0-9/]+)", T)
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r["report"]["date"] = self._safe_search(r"Produced On\s*([0-9A-Za-z ]+)", T)
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# Order details: "Client Client Ref No. Buyer" puis valeurs
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order = self.extract_table(T, ["Client", "Client Ref No.", "Buyer"])
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r["contract"]["invoice_no"] = order.get("Client Ref No.") or \
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self._safe_search(r"Client Reference:\s*([A-Z0-9\- /]+)", T)
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r["parties"]["client"] = order.get("Client")
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r["parties"]["buyer"] = order.get("Buyer")
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# Infos expédition (2 blocs groupés)
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ship = self.extract_table(T, ["Total Bales","Vessel","Voy. No.","B/L No.","B/L Date","Destination"])
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ship2 = self.extract_table(T, ["Growth","Arrival Date","First date of weighing",
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"Last Date of Weighing","Weighing method","Tare"])
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r["shipment"]["bales"] = self._to_float(ship.get("Total Bales"))
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r["shipment"]["vessel"] = ship.get("Vessel")
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r["shipment"]["voyage_no"] = ship.get("Voy. No.")
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r["shipment"]["bl_no"] = ship.get("B/L No.")
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r["shipment"]["bl_date"] = ship.get("B/L Date")
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r["shipment"]["port_destination"] = ship.get("Destination")
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r["contract"]["origin"] = ship2.get("Growth")
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r["shipment"]["arrival_date"] = ship2.get("Arrival Date")
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r["shipment"]["first_weighing_date"] = ship2.get("First date of weighing")
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r["shipment"]["last_weighing_date"] = ship2.get("Last Date of Weighing")
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r["shipment"]["weighing_method"] = ship2.get("Weighing method")
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# Chez AHK, "Tare: Invoice" indique la base de tare, pas un poids
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r["shipment"]["tare_basis"] = ship2.get("Tare")
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# Poids
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# Bloc 1: invoice (juste après l'en-tête 'Bales Gross Tare Net')
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inv = self.extract_weights(T) # sans ancre -> la 1ère occurrence
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# Bloc 2: landed (ancré sur 'Bales Weighed')
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land = self.extract_weights(T, anchor=r"\bBales Weighed\b")
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r["weights"]["invoice_bales"] = self._to_float(inv.get("Bales"))
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r["weights"]["invoice_gross_kg"] = self._to_float(inv.get("Gross"))
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r["weights"]["invoice_tare_kg"] = self._to_float(inv.get("Tare"))
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r["weights"]["invoice_net_kg"] = self._to_float(inv.get("Net"))
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r["weights"]["landed_bales"] = self._to_float(land.get("Bales"))
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r["weights"]["gross_landed_kg"] = self._to_float(land.get("Gross"))
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r["weights"]["tare_kg"] = self._to_float(land.get("Tare"))
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r["weights"]["net_landed_kg"] = self._to_float(land.get("Net"))
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# Loss / Outturn
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loss_sec = T # si tu as section(text, "LOSS", "Invoice average"), remplace par ta fonction
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r["weights"]["gain_loss_kg"] = self._to_float(self._safe_search(r"LOSS.*?(-?\s*\d+\.?\d*)\s*kg", loss_sec, flags=re.S))
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r["weights"]["gain_loss_percent"] = self._to_float(self._safe_search(r"Percentage\s*:\s*([\-+]?\s*\d+\.?\d*)", loss_sec))
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return r
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class IntertekParser:
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lab="INTERTEK"
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def parse(self,text):
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r=empty_weight_report("INTERTEK")
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pct=safe_search(r"([0-9.]+)\s*%",text)
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r["report"]["reference"]=extract("Global Ref",text)
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r["report"]["file_no"]=extract("Report / File No",text)
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r["report"]["date"]=extract("Dated",text)
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r["contract"]["contract_no"]=extract("Contract No",text)
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r["contract"]["invoice_no"]=extract("Invoice No",text)
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r["contract"]["origin"]=extract("Growth",text)
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r["contract"]["commodity"]="Raw Cotton"
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r["parties"]["buyer"]=extract("Buyer",text)
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r["shipment"]["vessel"]=extract("Vessel",text)
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r["shipment"]["bl_no"]=extract("B/L No",text)
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r["shipment"]["arrival_date"]=extract("Arrival Date",text)
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r["shipment"]["weighing_place"]=extract("Weighed at",text)
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r["shipment"]["bales"]=to_float(extract("Invoice Quantity",text))
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r["weights"]["gross_landed_kg"]=to_float(extract("Gross",text))
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r["weights"]["tare_kg"]=to_float(extract("Invoice Tare",text))
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r["weights"]["net_landed_kg"]=to_float(extract("Landed Weight",text))
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r["weights"]["invoice_net_kg"]=to_float(extract("Invoice Weight",text))
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r["weights"]["gain_loss_kg"]=to_float(extract("Gain",text))
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r["weights"]["gain_loss_percent"]=to_float(pct)
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return r
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class RobertsonParser:
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lab="ROBERTSON"
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def parse(self,text):
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r=empty_weight_report("ROBERTSON")
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pct=safe_search(r"([0-9.]+)\s*%",text)
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r["report"]["reference"]=extract("OUR REF",text)
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r["report"]["date"]=extract("DATE",text)
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r["contract"]["contract_no"]=extract("CONTRACT NO",text)
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r["contract"]["invoice_no"]=extract("INVOICE NO",text)
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r["contract"]["lc_no"]=extract("LIC NO",text)
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r["contract"]["commodity"]="Raw Cotton"
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r["parties"]["seller"]=extract("SELLER",text)
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r["parties"]["buyer"]=extract("BUYER",text)
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r["shipment"]["vessel"]=extract("NAME OF VESSEL",text)
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r["shipment"]["port_loading"]=extract("SAILED FROM",text)
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r["shipment"]["port_destination"]=extract("ARRIVED AT",text)
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r["shipment"]["arrival_date"]=extract("DATE OF ARRIVAL",text)
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r["shipment"]["weighing_place"]=extract("PLACE OF CONTROL",text)
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r["shipment"]["bales"]=to_float(extract("CONSIGNMENT",text))
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r["weights"]["gross_landed_kg"]=to_float(extract("GROSS",text))
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r["weights"]["tare_kg"]=to_float(extract("TARE",text))
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r["weights"]["net_landed_kg"]=to_float(extract("LANDED NET",text))
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r["weights"]["invoice_net_kg"]=to_float(extract("INVOICE NET",text))
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r["weights"]["gain_loss_kg"]=to_float(extract("GAIN",text))
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r["weights"]["gain_loss_percent"]=to_float(pct)
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return r
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class SGSParser:
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lab="SGS"
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def parse(self,text):
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r=empty_weight_report("SGS")
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r["report"]["reference"]=extract("LANDING REPORT No",text)
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r["report"]["file_no"]=extract("FILE NO.",text)
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r["report"]["date"]=extract("DATE",text)
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r["contract"]["contract_no"]=extract("CONTRACT NO.",text)
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r["contract"]["invoice_no"]=extract("INVOICE NO.",text)
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r["contract"]["origin"]=extract("ORIGIN",text)
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r["contract"]["commodity"]=extract("PRODUCT",text)
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r["parties"]["seller"]=extract("Seller",text)
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r["parties"]["buyer"]=extract("Buyer",text)
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r["parties"]["carrier"]=extract("Carrier",text)
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r["shipment"]["bl_no"]=extract("B/L no.",text)
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r["shipment"]["port_loading"]=extract("Port of loading",text)
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r["shipment"]["port_destination"]=extract("Port of destination",text)
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r["shipment"]["arrival_date"]=extract("Vessel arrival date",text)
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r["shipment"]["weighing_place"]=extract("Place of weighing",text)
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r["shipment"]["weighing_method"]=extract("Weighing mode",text)
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r["shipment"]["bales"]=to_float(extract("Quantity arrived",text))
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r["weights"]["gross_landed_kg"]=to_float(extract("Gross landed",text))
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r["weights"]["tare_kg"]=to_float(extract("Tare",text))
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r["weights"]["net_landed_kg"]=to_float(extract("Net landed",text))
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r["weights"]["invoice_net_kg"]=to_float(extract("Net invoiced",text))
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r["weights"]["gain_loss_kg"]=to_float(safe_search(r"Gain.*?([0-9.,]+)\s*kgs",text))
|
|
r["weights"]["gain_loss_percent"]=to_float(safe_search(r"Gain\s*\+?\s*([0-9.,]+)\s*%",text))
|
|
return r
|
|
|
|
class PICLParser:
|
|
lab="PICL"
|
|
def parse(self,text):
|
|
r=empty_weight_report("PICL")
|
|
|
|
r["report"]["reference"]=safe_search(r"No[:\s]+([A-Z0-9\-]+)",text)
|
|
r["report"]["date"]=safe_search(r"(Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday),?\s*([A-Za-z]+\s+[0-9]{1,2},\s*[0-9]{4})",text,group_index=2)
|
|
|
|
r["contract"]["contract_no"]=extract("Contract/Pl No & Date",text)
|
|
r["contract"]["invoice_no"]=extract("Invoice ilo & Date",text)
|
|
r["contract"]["lc_no"]=extract("L/C No & Date",text)
|
|
r["contract"]["origin"]=extract("Country of Origin",text)
|
|
r["contract"]["commodity"]=extract("Commodity",text)
|
|
|
|
r["parties"]["seller"]=extract("FAIRCOT SA",text)
|
|
r["parties"]["buyer"]=extract("M/S.",text)
|
|
r["parties"]["carrier"]=extract("Shipping Agent",text)
|
|
|
|
r["shipment"]["vessel"]=extract("Shipped Per Vessel",text)
|
|
r["shipment"]["bl_no"]=extract("B/L No & Date",text)
|
|
r["shipment"]["port_loading"]=extract("Port of Loading",text)
|
|
r["shipment"]["port_destination"]=extract("Port of Discharge",text)
|
|
r["shipment"]["arrival_date"]=extract("Date of Anival & LDL",text)
|
|
r["shipment"]["weighing_place"]=extract("Place & Date of Weighment",text)
|
|
r["shipment"]["weighing_method"]=extract("Method of Weighment",text)
|
|
r["shipment"]["bales"]=to_float(extract("Grand Total",text))
|
|
|
|
r["weights"]["gross_landed_kg"]=to_float(extract("Total;",text))
|
|
r["weights"]["tare_kg"]=to_float(extract("Tare Weight",text))
|
|
r["weights"]["net_landed_kg"]=to_float(extract("Grand Total",text))
|
|
r["weights"]["invoice_net_kg"]=to_float(extract("Invoice weight",text))
|
|
r["weights"]["gain_loss_kg"]=to_float(safe_search(r"(-[0-9.,]+)\s*KGS",text))
|
|
r["weights"]["gain_loss_percent"]=to_float(safe_search(r"\(\s*([0-9.,]+)\s*o/o\s*\)",text))
|
|
return r
|
|
|
|
|
|
# Configure root logger explicitly
|
|
root = logging.getLogger()
|
|
root.setLevel(logging.INFO)
|
|
root.addHandler(file_handler)
|
|
root.addHandler(logging.StreamHandler())
|
|
|
|
# Use root logger for your app
|
|
logger = logging.getLogger(__name__)
|
|
|
|
app = FastAPI()
|
|
logger.info("Loading models...")
|
|
|
|
nlp = spacy.load("en_core_web_sm")
|
|
predictor = ocr_predictor(pretrained=True)
|
|
|
|
logger.info("Models loaded successfully.")
|
|
|
|
# =============================
|
|
# 🧠 Smart OCR
|
|
# =============================
|
|
@app.post("/ocr")
|
|
async def ocr(file: UploadFile):
|
|
logger.info(f"Received OCR request: {file.filename}")
|
|
try:
|
|
file_data = await file.read()
|
|
ext = file.filename.lower()
|
|
|
|
# --------- PDF with native text ---------
|
|
if ext.endswith(".pdf"):
|
|
logger.info("PDF detected → Extracting native text first")
|
|
reader = PdfReader(io.BytesIO(file_data))
|
|
direct_text = "".join(
|
|
page.extract_text() or "" for page in reader.pages
|
|
)
|
|
|
|
if direct_text.strip():
|
|
logger.info("Native PDF text found → No OCR needed")
|
|
return {"ocr_text": direct_text}
|
|
|
|
# -------- Fallback: scanned PDF OCR --------
|
|
logger.info("No native text → PDF treated as scanned → OCR")
|
|
from pdf2image import convert_from_bytes
|
|
images = convert_from_bytes(file_data)
|
|
text = ""
|
|
for i, img in enumerate(images):
|
|
logger.info(f"OCR page {i+1}/{len(images)}")
|
|
text += pytesseract.image_to_string(img) + "\n"
|
|
|
|
return {"ocr_text": text}
|
|
|
|
# --------- Image file OCR ---------
|
|
logger.info("Image detected → Running OCR")
|
|
img = Image.open(io.BytesIO(file_data))
|
|
text = pytesseract.image_to_string(img)
|
|
return {"ocr_text": text}
|
|
|
|
except Exception as e:
|
|
logger.error(f"OCR failed: {e}", exc_info=True)
|
|
raise HTTPException(status_code=500, detail=str(e))
|
|
|
|
# =============================
|
|
# 🧱 Structure / Layout
|
|
# =============================
|
|
@app.post("/structure")
|
|
async def structure(file: UploadFile):
|
|
logger.info(f"Received structure request: {file.filename}")
|
|
try:
|
|
file_data = await file.read()
|
|
ext = file.filename.lower()
|
|
|
|
if ext.endswith(".pdf"):
|
|
doc = DocumentFile.from_pdf(file_data)
|
|
logger.info(f"Structure prediction on PDF ({len(doc)} pages)")
|
|
else:
|
|
img = Image.open(io.BytesIO(file_data)).convert("RGB")
|
|
doc = DocumentFile.from_images([img])
|
|
logger.info("Structure prediction on image")
|
|
|
|
res = predictor(doc)
|
|
return {"structure": str(res)}
|
|
|
|
except Exception as e:
|
|
logger.error(f"Structure extraction failed: {e}", exc_info=True)
|
|
raise HTTPException(status_code=500, detail=str(e))
|
|
|
|
# =============================
|
|
# 📊 Tables extraction (PDF only)
|
|
# =============================
|
|
@app.post("/tables")
|
|
async def tables(file: UploadFile):
|
|
logger.info(f"Received table extraction request: {file.filename}")
|
|
try:
|
|
file_data = await file.read()
|
|
buffer = io.BytesIO(file_data)
|
|
|
|
tables = camelot.read_pdf(buffer)
|
|
logger.info(f"Found {len(tables)} tables")
|
|
return {"tables": [t.df.to_dict() for t in tables]}
|
|
|
|
except Exception as e:
|
|
logger.error(f"Table extraction failed: {e}", exc_info=True)
|
|
raise HTTPException(status_code=500, detail=str(e))
|
|
|
|
def safe_search(pattern, text, default=None, group_index=1, context=""):
|
|
"""Recherche sécurisée avec logging en cas d'absence de correspondance."""
|
|
m = re.search(pattern, text, re.I | re.S)
|
|
if not m:
|
|
logger.warning("Pattern not found for %s: %s", context, pattern)
|
|
return default
|
|
try:
|
|
return m.group(group_index).strip()
|
|
except IndexError:
|
|
logger.warning("Group index %d not found for %s: %s", group_index, context, pattern)
|
|
return default
|
|
|
|
def to_float(s):
|
|
if not s:
|
|
return None
|
|
s = s.replace(",", "").replace("Kgs", "").replace("kg", "").replace("%", "")
|
|
s = s.replace("lbs", "").replace("LBS", "")
|
|
s = s.strip()
|
|
try:
|
|
return float(s)
|
|
except:
|
|
return None
|
|
|
|
def section(text, start, end=None):
|
|
"""Extract a block of text between two headings, safely."""
|
|
pattern_start = re.escape(start)
|
|
if end:
|
|
pattern_end = re.escape(end)
|
|
reg = re.compile(pattern_start + r"(.*?)" + pattern_end, re.S | re.I)
|
|
else:
|
|
reg = re.compile(pattern_start + r"(.*)", re.S | re.I)
|
|
m = reg.search(text)
|
|
if not m:
|
|
logger.warning("Section not found: start='%s', end='%s'", start, end)
|
|
return ""
|
|
return m.group(1).strip()
|
|
|
|
def extract_field(text, label, default=None):
|
|
"""Extract a line of the form 'Label: value', safely."""
|
|
pattern = rf"{re.escape(label)}\s*:?[\s]+([^\n]+)"
|
|
return safe_search(pattern, text, default=default, context=f"field '{label}'")
|
|
|
|
def extract(label, text, default=None):
|
|
"""
|
|
Robust extraction for OCR/PDF text.
|
|
Works with:
|
|
Label: Value
|
|
Label Value
|
|
Label .... Value
|
|
"""
|
|
if not text:
|
|
return default
|
|
|
|
patterns = [
|
|
rf"{re.escape(label)}\s*[:\-]?\s*([^\n\r]+)",
|
|
rf"{re.escape(label)}\s+([^\n\r]+)"
|
|
]
|
|
|
|
for p in patterns:
|
|
m = re.search(p, text, re.I)
|
|
if m:
|
|
return m.group(1).strip()
|
|
|
|
return default
|
|
|
|
def extract_report_metadata(text):
|
|
logger.info("Starting metadata extraction, text length=%d", len(text))
|
|
|
|
try:
|
|
# ----------- SECTIONS -----------
|
|
order_details = section(text, "Order details", "Weights")
|
|
invoice_section = section(text, "INVOICE WEIGHTS", "Bales Weighed")
|
|
landed_section = section(text, "Bales Weighed", "Outturn")
|
|
loss_section = section(text, "LOSS", "Invoice average")
|
|
avg_section = section(text, "Invoice average", "Comments")
|
|
signature_block = section(text, "Signed on")
|
|
|
|
# ----------- TOP INFO -----------
|
|
top_info = {
|
|
"produced_on": extract_field(text, "Produced On"),
|
|
"printed_date": extract_field(text, "Printed Date"),
|
|
"client_reference": extract_field(text, "Client Reference"),
|
|
"report_number": safe_search(r"(AHK\S+)", text, default="", context="report_number", group_index=1),
|
|
}
|
|
|
|
# ----------- ORDER DETAILS -----------
|
|
parties = {
|
|
"client": extract_field(order_details, "Client"),
|
|
"client_ref_no": extract_field(order_details, "Client Ref No"),
|
|
"buyer": extract_field(order_details, "Buyer"),
|
|
"destination": extract_field(order_details, "Destination"),
|
|
}
|
|
|
|
shipment = {
|
|
"total_bales": extract_field(order_details, "Total Bales"),
|
|
"vessel": extract_field(order_details, "Vessel"),
|
|
"voyage_no": extract_field(order_details, "Voy. No"),
|
|
"bl_no": extract_field(order_details, "B/L No"),
|
|
"bl_date": extract_field(order_details, "B/L Date"),
|
|
"growth": extract_field(order_details, "Growth"),
|
|
"arrival_date": extract_field(order_details, "Arrival Date"),
|
|
"first_weighing_date": extract_field(order_details, "First date of weighing"),
|
|
"last_weighing_date": extract_field(order_details, "Last Date of Weighing"),
|
|
"weighing_method": extract_field(order_details, "Weighing method"),
|
|
"tare_basis": extract_field(order_details, "Tare"),
|
|
}
|
|
|
|
# ----------- INVOICE SECTION -----------
|
|
invoice = {
|
|
"bales": extract_field(invoice_section, "Bales"),
|
|
"gross": extract_field(invoice_section, "Gross"),
|
|
"tare": extract_field(invoice_section, "Tare"),
|
|
"net": extract_field(invoice_section, "Net"),
|
|
}
|
|
|
|
# ----------- LANDED SECTION -----------
|
|
landed = {
|
|
"bales": extract_field(landed_section, "Bales"),
|
|
"gross": extract_field(landed_section, "Gross"),
|
|
"tare": extract_field(landed_section, "Tare"),
|
|
"net": extract_field(landed_section, "Net"),
|
|
}
|
|
|
|
# ----------- LOSS SECTION -----------
|
|
loss = {
|
|
"kg": extract_field(loss_section, "kg"),
|
|
"lb": extract_field(loss_section, "lb"),
|
|
"percent": extract_field(loss_section, "Percentage"),
|
|
}
|
|
|
|
# ----------- AVERAGES SECTION -----------
|
|
averages = {
|
|
"invoice_gross_per_bale": extract_field(avg_section, "Invoice average"),
|
|
"landed_gross_per_bale": extract_field(avg_section, "Landed average"),
|
|
}
|
|
|
|
# ----------- SIGNATURE -----------
|
|
signature = {
|
|
"signed_on": extract_field(signature_block, "Signed on"),
|
|
"signed_by": safe_search(r"\n([A-Za-z ]+)\nClient Services", signature_block, default="", context="signed_by"),
|
|
"role": "Client Services Coordinator",
|
|
"company": "Alfred H. Knight International Limited"
|
|
}
|
|
|
|
logger.info("Metadata extraction completed successfully")
|
|
return {
|
|
"report": top_info,
|
|
"parties": parties,
|
|
"shipment": shipment,
|
|
"weights": {
|
|
"invoice": invoice,
|
|
"landed": landed,
|
|
"loss": loss,
|
|
"averages": averages
|
|
},
|
|
"signature": signature
|
|
}
|
|
|
|
except Exception as e:
|
|
logger.exception("Unexpected error during metadata extraction")
|
|
raise HTTPException(status_code=500, detail=f"Metadata extraction failed: {e}")
|
|
|
|
def detect_template(text):
|
|
t = text.lower()
|
|
|
|
if "alfred h. knight" in t and "cotton landing report" in t:
|
|
return "AHK"
|
|
|
|
if "intertek" in t and "landing report" in t:
|
|
return "INTERTEK"
|
|
|
|
if "robertson international" in t or "ri ref no" in t:
|
|
return "ROBERTSON"
|
|
|
|
if "landing report" in t and "carcon cargo" in t:
|
|
return "SGS"
|
|
|
|
if "pacific inspection company" in t or "picl-bd.com" in t:
|
|
return "PICL"
|
|
|
|
return "UNKNOWN"
|
|
|
|
@app.post("/metadata")
|
|
async def metadata(text: str = Body(..., embed=True)):
|
|
return extract_report_metadata(text)
|
|
|
|
@app.post("/parse")
|
|
async def parse_endpoint(text: str = Body(..., embed=True)):
|
|
return parse_report(text)
|
|
|
|
PARSERS = {
|
|
"AHK": AHKParser(),
|
|
"INTERTEK": IntertekParser(),
|
|
"ROBERTSON": RobertsonParser(),
|
|
"SGS": SGSParser(),
|
|
"PICL": PICLParser()
|
|
}
|
|
|
|
def empty_weight_report(lab):
|
|
return {
|
|
"lab": lab,
|
|
"report": {"reference": None, "file_no": None, "date": None},
|
|
"contract": {"contract_no": None, "invoice_no": None, "lc_no": None, "origin": None, "commodity": None},
|
|
"parties": {"seller": None, "buyer": None, "carrier": None},
|
|
"shipment": {
|
|
"vessel": None, "bl_no": None, "port_loading": None,
|
|
"port_destination": None, "arrival_date": None,
|
|
"weighing_place": None, "weighing_method": None,
|
|
"bales": None
|
|
},
|
|
"weights": {
|
|
"gross_landed_kg": None, "tare_kg": None,
|
|
"net_landed_kg": None, "invoice_net_kg": None,
|
|
"gain_loss_kg": None, "gain_loss_percent": None
|
|
}
|
|
}
|
|
|
|
def parse_report(text):
|
|
template=detect_template(text)
|
|
if template not in PARSERS:
|
|
return {"template":"UNKNOWN"}
|
|
return PARSERS[template].parse(text) |