inference.py 3.8 KB

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  1. from database import RedisDatabaseHelper, MySqlDao
  2. from models.rank.data.config import CustConfig, ProductConfig, ShopConfig, OrderConfig
  3. from models.rank.data.utils import sample_data_clear
  4. from models.rank.gbdt_lr_inference import GbdtLrModel
  5. from utils.result_process import split_relation_subtable, generate_report
  6. import pandas as pd
  7. redis = RedisDatabaseHelper().redis
  8. dao = MySqlDao()
  9. gbdtlr_model = GbdtLrModel("./models/rank/weights/00000000000000000000000011445301/gbdtlr_model.pkl")
  10. def get_itemcf_recall(city_uuid, product_id):
  11. """协同召回"""
  12. key = f"fc:{city_uuid}:{product_id}"
  13. recall_list = redis.zrevrange(key, 0, -1, withscores=False)
  14. return recall_list
  15. def get_hot_recall(city_uuid):
  16. """热度召回"""
  17. key = f"hot:{city_uuid}:sale_qty"
  18. recall_list = redis.zrevrange(key, 0, -1, withscores=False)
  19. return recall_list
  20. def get_recall_cust(city_uuid, product_id, recall_count):
  21. """根据协同过滤和热度召回召回商户"""
  22. itemcf_recall_list = get_itemcf_recall(city_uuid, product_id)
  23. hot_recall_list = get_hot_recall(city_uuid)
  24. for i in hot_recall_list:
  25. print(i)
  26. result = list(dict.fromkeys(itemcf_recall_list))
  27. # 如果结果不足,从hot_recall中补齐
  28. if len(result) < recall_count:
  29. hot_recall_set = set(hot_recall_list) - set(result)
  30. additional_items = [item for item in hot_recall_list if item in hot_recall_set]
  31. needed = recall_count - len(result)
  32. result.extend(additional_items[:needed])
  33. return result[:recall_count]
  34. def generate_recommend_sample(city_uuid, product_id):
  35. """生成预测数据集"""
  36. recall_count = 300
  37. cust_list = get_recall_cust(city_uuid, product_id, recall_count)
  38. product_data = dao.get_product_by_id(city_uuid, product_id)[ProductConfig.FEATURE_COLUMNS]
  39. filter_dict = product_data.to_dict("records")[0]
  40. cust_data = dao.get_cust_by_ids(city_uuid, cust_list)[CustConfig.FEATURE_COLUMNS]
  41. shop_data = dao.get_shop_by_ids(city_uuid, cust_list)[ShopConfig.FEATURE_COLUMNS]
  42. product_data = sample_data_clear(product_data, ProductConfig)
  43. cust_data = sample_data_clear(cust_data, CustConfig)
  44. shop_data = sample_data_clear(shop_data, ShopConfig)
  45. cust_feats = shop_data.set_index("cust_code")
  46. cust_data = cust_data.join(cust_feats, on="BB_RETAIL_CUSTOMER_CODE", how="inner")
  47. feats_map = gbdtlr_model.generate_feats_map(product_data, cust_data)
  48. return feats_map, filter_dict, cust_list
  49. def get_recommend_list(city_uuid, product_id):
  50. feats_sample, _, cust_list = generate_recommend_sample(city_uuid, product_id)
  51. recommend_list = gbdtlr_model.get_recommend_list(feats_sample, cust_list)
  52. return recommend_list
  53. def gbdt_lr_inference(city_uuid, product_id):
  54. pass
  55. def generate_features_shap(city_uuid, product_id, delivery_count):
  56. feats_sample, filter_dict, cust_list = generate_recommend_sample(city_uuid, product_id)
  57. result = gbdtlr_model.generate_shap_interance(feats_sample)
  58. recommend_data = gbdtlr_model.get_recommend_list(feats_sample, cust_list)
  59. generate_report(city_uuid, result, filter_dict, recommend_data, delivery_count, "./data")
  60. def generate_delivery_strategy():
  61. pass
  62. def run():
  63. pass
  64. if __name__ == '__main__':
  65. # generate_features_shap("00000000000000000000000011445301", "420202", delivery_count=5000)
  66. # recommend_list = get_recommend_list("00000000000000000000000011445301", "420202")
  67. # recommend_list = pd.DataFrame(recommend_list)
  68. # recommend_list.to_csv("./data/recommend_list.csv", index=False, encoding="utf-8-sig")
  69. data = dao.get_order_by_cust("00000000000000000000000011445301", "445323105795")
  70. data = data.groupby(["cust_code", "product_code", "product_name"], as_index=False)["sale_qty"].sum()
  71. data.to_csv("./data/cust.csv", index=False)