def load_hist_wechat_record_dict(date):
wechat_dict = defaultdict(list)
start_date = DateUtil.get_relative_delta_time_str(
date, day=-HISTORY_WECHAT_RECORD_DELTA_DAY)
end_date = DateUtil.get_relative_delta_time_str(date, -1)
date_ls = sorted(DateUtil.get_every_date(start_date,
end_date)) # 时间在后的聊天追加在后面
wechat_full_sentence_data_dir = os.path.join(PROJECT_DATA_DIR, "raw_data",
"wechat_full_sentence_data")
wechat_full_sentence_data_file = os.path.join(
wechat_full_sentence_data_dir, "wechat_full_sentence_data_%s")
for date in date_ls:
log.info(date)
wechat_full_sentence_data = wechat_full_sentence_data_file % date
with codecs.open(wechat_full_sentence_data, 'r', 'utf-8') as fin:
for line in fin:
arr = line.strip().split("\t")
if len(arr) != 5:
continue
opp_id, student_chat_num, teacher_chat_num, all_chat_num, chat_content = arr
student_chat_num, teacher_chat_num, all_chat_num = int(
student_chat_num), int(teacher_chat_num), int(all_chat_num)
if opp_id not in wechat_dict:
wechat_dict[opp_id] = {
"stat_info": [0, 0, 0],
"chat_content": ""
}
wechat_dict[opp_id]["chat_content"] = wechat_dict[opp_id][
"chat_content"] + chat_content
wechat_dict[opp_id]["stat_info"] = [
x + y for x, y in
zip([student_chat_num, teacher_chat_num, all_chat_num],
wechat_dict[opp_id]["stat_info"])
]
return wechat_dict
LOG_PATH = os.path.join(PROJECT_DATA_DIR, "log")
def get_logger(path):
log_file = os.path.join(LOG_PATH, path)
logger = logging.getLogger(PROJECT_NAME) # 程序顶级目录的名字
fmt = '[%(asctime)s] - %(filename)s:%(lineno)s - %(name)s - %(message)s'
formatter = logging.Formatter(fmt) # 实例化formatter
handler = logging.handlers.RotatingFileHandler(log_file,
maxBytes=1024 * 1024,
backupCount=5) # 实例化handler
handler.setFormatter(formatter) # 为handler添加formatter
logger.addHandler(handler) # 为logger添加handler
logger.setLevel(logging.DEBUG)
consoleHandle = logging.StreamHandler()
consoleHandle.setFormatter(formatter)
logger.addHandler(consoleHandle)
return logger
G_LOG = get_logger("log_%s" % DateUtil.get_relative_delta_time_str())
if __name__ == "__main__":
logger = get_logger("log_20170523")
logger.info('first info message')
logger.debug('first debug message')
logger.debug('-----------')
def get_one_day_wechat_basic_feature(date):
log.info("get %s wechat basic feature..." % date)
wechat_basic_feature_dir = os.path.join(PROJECT_DATA_DIR, "feature_file",
"wechat_basic_feature")
aggregated_wechat_data_dir = os.path.join(PROJECT_DATA_DIR, "raw_data",
"aggregated_wechat_data")
wechat_basic_feature_data = os.path.join(wechat_basic_feature_dir,
"wechat_basic_feature_%s" % date)
aggregated_wechat_data = os.path.join(aggregated_wechat_data_dir,
"aggregated_wechat_data_%s" % date)
log.info("prepare hist wechat chat dict...")
hist_wechat_chat_dict = load_hist_wechat_record_dict(date)
log.info("prepare hist and future order dict...")
hist_order_dict = load_multi_day_order(
DateUtil.get_relative_delta_time_str(date,
day=-HISTORY_ORDER_DELTA_DAY),
DateUtil.get_relative_delta_time_str(date, day=-1))
future_order_dict = load_multi_day_order(
date,
DateUtil.get_relative_delta_time_str(date, day=FUTURE_ORDER_DELTA_DAY))
log.info("start 2 gen wechat basic feature...")
with codecs.open(aggregated_wechat_data, "r", "utf-8") as fin, \
codecs.open(wechat_basic_feature_data, "w", "utf-8") as fout:
for line in fin:
arr = line.strip().split("\t")
if len(arr) != 2:
continue
opp_id = arr[0].strip()
chat_ls = arr[1].strip()
try:
chat_ls = json.loads(chat_ls, encoding="utf-8")
except Exception as e:
log.info(e)
continue
if opp_id in hist_order_dict:
continue
student_chat_idx = []
for idx, chat_dict in enumerate(chat_ls):
send_type = chat_dict["send_type"]
if send_type == "1":
student_chat_idx.append(idx)
if not student_chat_idx:
continue
# 随机选取一句学生对话，作为样本生成点
sample_idx = np.random.choice(student_chat_idx, 1)[0]
sample_chat = chat_ls[sample_idx]
create_time = sample_chat["create_time"]
account = sample_chat["account"]
order_time = future_order_dict.get(opp_id, None) # 是否最近成单
label = judge_label(order_time, create_time)
if label == "-1":
continue
sample_chat_ls = chat_ls[:sample_idx + 1]
cleared_chat_sentence = clear_sentence(sample_chat_ls)
chat_stat_ls = stat_sentence(sample_chat_ls)
hist_chat_stat_ls = [0, 0, 0]
hist_wechat_chat = hist_wechat_chat_dict.get(opp_id,
None) # 是否有历史聊天记录
if hist_wechat_chat: # 拼接历史聊天信息
hist_chat_stat_ls = hist_wechat_chat["stat_info"]
cleared_chat_sentence = hist_wechat_chat[
"chat_content"] + cleared_chat_sentence
today_stat_str = "\t".join(map(str, chat_stat_ls))
hist_stat_str = "\t".join(map(str, hist_chat_stat_ls))
result = "\t".join([
label, opp_id, account, create_time, today_stat_str,
hist_stat_str, cleared_chat_sentence
])
fout.write(result + "\n")
# 不抽样，剖析每个对话，学生说话则触发一次样本生成
# for idx, chat_dict in enumerate(chat_ls):
# send_type = chat_dict["send_type"]
# create_time = chat_dict["create_time"]
# accout = chat_dict["account"]
#
# if send_type == "0": # 老师会话不做样本选取点
# continue
#
# label = judge_label(order_time, create_time)
# if label == "-1":
# continue
#
# cleared_chat_sentence = clear_sentence(chat_ls[:idx + 1])
# chat_stat_ls = stat_sentence(chat_ls[:idx + 1])
# hist_chat_stat_ls = [0, 0, 0]
#
# if hist_wechat_chat: # 拼接历史聊天信息
# hist_chat_stat_ls = hist_wechat_chat["stat_info"]
# cleared_chat_sentence = hist_wechat_chat["chat_content"] + cleared_chat_sentence
#
# today_stat_str = "\t".join(map(str, chat_stat_ls))
# hist_stat_str = "\t".join(map(str, hist_chat_stat_ls))
# result = "\t".join(
# [label, opp_id, accout, create_time, today_stat_str, hist_stat_str, cleared_chat_sentence])
# fout.write(result + "\n")
log.info("finished, write feature to file : %s" %
wechat_basic_feature_data)
