add app list

tensnsorflow/applist.py

@@ -15,6 +15,13 @@ def con_sql(db,sql):
         db.close()
     return df
 
+def is_json(myjson):
+    try:
+        json.loads(myjson)
+    except ValueError:
+        return False
+    return True
+
 def json_format(x):
     a = json.loads(x)
     return set([x["appName"] for x in a])
@@ -24,7 +31,7 @@ def sort_app():
     sql = "select device_id,app_list from device_id_applist limit 20000"
     df = con_sql(db, sql).dropna()
     df = df.rename(columns={0: "device_id", 1: "app_list"})
-    df = df.loc[df["app_list"].str.startswith('[{"appName":')]
+    df = df.loc[df["app_list"].apply(is_json)]
 
     category = {"competitor":{"新氧微整形", "新氧SoYoung"},
                 "dianshang":{"京东","淘宝","唯品会","天猫","苏宁易购","国美","当当","亚马逊","网易严选","小米有品"},