133 lines
5.1 KiB
Python
133 lines
5.1 KiB
Python
import os
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import logging
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import pandas as pd
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from thefuzz import fuzz
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from helpers import normalize_company_name, simple_normalize_url
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from google_sheet_handler import GoogleSheetHandler
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# --- Konfiguration ---
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CRM_SHEET_NAME = "CRM_Accounts"
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MATCHING_SHEET_NAME = "Matching_Accounts"
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SCORE_THRESHOLD = 80 # Score ab hier gilt als Match
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LOG_DIR = "Log"
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LOG_FILE = "duplicate_check.log"
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# --- Logging Setup ---
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if not os.path.exists(LOG_DIR):
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os.makedirs(LOG_DIR, exist_ok=True)
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log_path = os.path.join(LOG_DIR, LOG_FILE)
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.DEBUG)
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# Console Handler: INFO+
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ch = logging.StreamHandler()
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ch.setLevel(logging.INFO)
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ch.setFormatter(logging.Formatter("%(asctime)s - %(levelname)-8s - %(message)s"))
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logger.addHandler(ch)
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# File Handler: DEBUG+
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fh = logging.FileHandler(log_path, mode='a', encoding='utf-8')
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fh.setLevel(logging.DEBUG)
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fh.setFormatter(logging.Formatter("%(asctime)s - %(levelname)-8s - %(name)s - %(message)s"))
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logger.addHandler(fh)
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logger.info(f"Logging in Datei: {log_path}")
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def calculate_similarity(record1, record2):
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"""Berechnet gewichteten Ähnlichkeits-Score zwischen zwei Datensätzen."""
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total_score = 0
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# Domain exact match
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if record1['normalized_domain'] and record1['normalized_domain'] == record2['normalized_domain']:
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total_score += 100
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# Name fuzzy
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name_similarity = fuzz.token_set_ratio(record1['normalized_name'], record2['normalized_name'])
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total_score += name_similarity * 0.7
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# Ort+Land exact
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if record1['CRM Ort'] == record2['CRM Ort'] and record1['CRM Land'] == record2['CRM Land']:
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total_score += 20
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return round(total_score)
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def main():
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logger.info("Starte Duplikats-Check (v2.0 - mit Blocking & relevantem Kandidaten-Log)")
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try:
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sheet_handler = GoogleSheetHandler()
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logger.info("GoogleSheetHandler initialisiert")
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except Exception as e:
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logger.critical(f"FEHLER Init GoogleSheetHandler: {e}")
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return
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# Daten laden
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crm_df = sheet_handler.get_sheet_as_dataframe(CRM_SHEET_NAME)
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match_df = sheet_handler.get_sheet_as_dataframe(MATCHING_SHEET_NAME)
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if crm_df is None or crm_df.empty:
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logger.critical(f"Keine Daten in '{CRM_SHEET_NAME}'")
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return
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if match_df is None or match_df.empty:
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logger.critical(f"Keine Daten in '{MATCHING_SHEET_NAME}'")
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return
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logger.info(f"{len(crm_df)} CRM-Zeilen, {len(match_df)} Matching-Zeilen geladen")
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# Normalisierung
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for df, label in [(crm_df, 'CRM'), (match_df, 'Matching')]:
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df['normalized_name'] = df['CRM Name'].astype(str).apply(normalize_company_name)
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df['normalized_domain'] = df['CRM Website'].astype(str).apply(simple_normalize_url)
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df['CRM Ort'] = df['CRM Ort'].astype(str).str.lower().str.strip()
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df['CRM Land'] = df['CRM Land'].astype(str).str.lower().str.strip()
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# Blocking Key
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df['block_key'] = df['normalized_name'].apply(lambda x: x.split()[0] if x else None)
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logger.debug(f"{label}-Sample nach Norm: {df.iloc[0][['normalized_name','normalized_domain','block_key']].to_dict()}")
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# Blocking Index erstellen
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crm_index = {}
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for idx, row in crm_df.iterrows():
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key = row['block_key']
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if not key: continue
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crm_index.setdefault(key, []).append(row)
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logger.info(f"Blocking-Index erstellt: {len(crm_index)} Keys")
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# Matching
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results = []
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total = len(match_df)
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for i, match_row in match_df.iterrows():
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key = match_row['block_key']
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candidates = crm_index.get(key, [])
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logger.info(f"Prüfe {i+1}/{total}: {match_row['CRM Name']} (Key='{key}') -> {len(candidates)} Kandidaten")
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if not candidates:
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results.append({'Potenzieller Treffer im CRM': '', 'Ähnlichkeits-Score': 0})
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continue
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# Scores für Kandidaten sammeln
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scored = []
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for crm_row in candidates:
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score = calculate_similarity(match_row, crm_row)
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scored.append((crm_row['CRM Name'], score))
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# Top 3 loggen
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top3 = sorted(scored, key=lambda x: x[1], reverse=True)[:3]
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logger.debug(f" Top 3 Kandidaten: {top3}")
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# Besten Treffer wählen
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best_name, best_score = max(scored, key=lambda x: x[1])
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if best_score >= SCORE_THRESHOLD:
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results.append({'Potenzieller Treffer im CRM': best_name, 'Ähnlichkeits-Score': best_score})
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logger.info(f" --> Match: '{best_name}' mit Score {best_score}")
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else:
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results.append({'Potenzieller Treffer im CRM': '', 'Ähnlichkeits-Score': best_score})
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logger.info(f" --> Kein Match (höchster Score {best_score})")
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# Ergebnisse zurückschreiben
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out_df = pd.DataFrame(results)
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output = pd.concat([match_df[['CRM Name','CRM Website','CRM Ort','CRM Land']].reset_index(drop=True), out_df], axis=1)
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data = [output.columns.tolist()] + output.values.tolist()
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ok = sheet_handler.clear_and_write_data(MATCHING_SHEET_NAME, data)
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if ok:
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logger.info("Ergebnisse erfolgreich geschrieben")
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else:
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logger.error("Fehler beim Schreiben ins Google Sheet")
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if __name__ == '__main__':
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main()
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