PokemonGo-Bot: JSON file read/write errors / corruption causing crash

Expected Behavior

Bot can start normally

Actual Behavior

Bot could not start with ValueError("No JSON object could be decoded")

Your FULL config.json (remove your username, password, gmapkey and any other private info)

{
    "auth_service": "google",
    "username": "",
    "password": "",
    "location": "taodanin",
    "favorite_locations":[
        {"name": "home", "coords": "10.761636, 106.654087"},
        {"name": "bachdang", "coords": "10.775286, 106.706436"},
        {"name": "taodanout", "coords": "10.774686, 106.693133"},
        {"name": "taodanin", "coords": "10.774779, 106.691739"}
    ],
    "gmapkey": "",
    "encrypt_location": "",
    "websocket_server": false,
    "heartbeat_threshold": 10,
    "enable_social": false,
    "live_config_update": {
      "enabled": true,
      "tasks_only": true
    },
    "tasks": [
      {
        "//NOTE: This task MUST be placed on the top of task list": {},
        "type": "RandomAlivePause",
        "config": {
          "enabled": false,
          "min_duration": "00:00:10",
          "max_duration": "00:10:00",
          "min_interval": "00:05:00",
          "max_interval": "01:30:00"
        }
      },
      {
        "type": "HandleSoftBan"
      },
      {
        "type": "CompleteTutorial",
        "config": {
          "enabled": false,
          "// set a name": "",
          "nickname": "DurianKing"
        }
      },
      {
        "type": "CollectLevelUpReward",
        "config": {
          "collect_reward": true,
          "level_limit": -1
        }
      },
      {
        "type": "IncubateEggs",
        "config": {
          "enabled": true,
          "longer_eggs_first": true,
          "min_interval": 120,
         "infinite": [2,5,10],
         "breakable": [2,5,10]
        }
      },
      {
        "type": "UpdateLiveStats",
        "config": {
          "enabled": true,
          "min_interval": 600,
          "stats": ["uptime", "km_walked", "stops_visited", "xp_earned", "pokemon_stats", "most_perfect_pokemon"],
          "terminal_log": true,
          "terminal_title": true
        }
      },
      {
        "type": "TransferPokemon",
        "config": {
          "enabled": true,
          "min_free_slot": 9900,
          "transfer_wait_min": 5,
          "transfer_wait_max": 10
        }
      },
      {
        "type": "EvolvePokemon",
        "config": {
            "enabled": false,
            "evolve_all": "none",
            "evolve_iv_min": 0.8,

            "first_evolve_by": "iv",
            "evolve_above_cp": 0,
            "evolve_above_iv": 0.8,
            "logic": "and",
            "min_evolve_speed": 20,
            "max_evolve_speed": 30,
            "use_lucky_egg": false
        }
      },
      {
        "type": "NicknamePokemon",
        "config": {
          "enabled": true,
          "nickname_above_iv": 0,
          "dont_nickname_favorite": true,
          "nickname_template": "{name:.10s}{iv_pct2}"
        }
      },
      {
        "type": "RecycleItems",
        "config": {
          "min_empty_space": 15,
          "max_balls_keep": 160,
          "max_potions_keep": 40,
          "max_berries_keep": 60,
          "max_revives_keep": 40,
          "item_filter": {
            "Pokeball":       { "keep" : 60 },
            "Greatball":      { "keep" : 50 },
            "Ultraball":      { "keep" : 50 },
            "Potion":         { "keep" : 10 },
            "Super Potion":   { "keep" : 10 },
            "Hyper Potion":   { "keep" : 20 },
            "Revive":         { "keep" : 40 },
            "Razz Berry":     { "keep" : 60 }
          },
          "recycle_wait_min": 1,
          "recycle_wait_max": 4,
          "recycle_force": false,
          "recycle_force_min": "00:01:00",
          "recycle_force_max": "00:05:00"
        }
      },
      {
        "type": "CatchPokemon",
        "config": {
          "daily_catch_limit": 800,
          "treat_unseen_as_vip": true,
          "catch_visible_pokemon": true,
          "catch_lured_pokemon": true,
          "min_ultraball_to_keep": 5,
          "berry_threshold": 0.35,
          "vip_berry_threshold": 0.9,
          "catch_throw_parameters": {
            "excellent_rate": 0.1,
            "great_rate": 0.5,
            "nice_rate": 0.3,
            "normal_rate": 0.1,
            "spin_success_rate" : 0.6,
            "hit_rate": 0.9
          },
          "catch_simulation": {
            "flee_count": 2,
            "flee_duration": 2,
            "catch_wait_min": 2,
            "catch_wait_max": 6,
            "berry_wait_min": 2,
            "berry_wait_max": 3,
            "changeball_wait_min": 2,
            "changeball_wait_max": 3,
            "newtodex_wait_min": 20,
            "newtodex_wait_max": 30
          }
        }
      },
      {
        "type": "SpinFort",
        "config": {
          "enabled": true,
          "spin_wait_min": 2,
          "spin_wait_max": 5
        }
      },
      { "type": "UpdateWebInventory",
        "config": {
          "enabled": true
        }
      },
      {
        "type": "FollowPath",
        "config": {
          "enabled": true,
          "walker": "PolylineWalker",
          "path_mode": "linear",
          "path_start_mode": "closest",
          "path_file": "configs/path.q1.json",
          "number_lap": 10,
          "timer_restart_min": "00:10:00",
          "timer_restart_max": "00:20:00",
          "log_interval": 5
        }
      },
      {
        "type": "MoveToFort",
        "config": {
          "enabled": true,
          "lure_attraction": true,
          "lure_max_distance": 2000,
          "walker": "PolylineWalker"
        }
      }
    ],

    "map_object_cache_time": 5,
    "pokemon_bag": {
      "show_at_start": true,
      "show_count": true,
      "show_candies": true,
      "pokemon_info": ["cp", "ivcp", "level"]
    },
    "forts": {
      "avoid_circles": true,
      "max_circle_size": 40,
      "cache_recent_forts": true
    },
    "walk_max": 3.5,
    "walk_min": 1.8,
    "alt_min": 500,
    "alt_max": 1000,
    "gps_default_altitude": 8.0,
    "replicate_gps_xy_noise": false,
    "replicate_gps_z_noise": false,
    "gps_xy_noise_range": 0.000125,
    "gps_z_noise_range": 12.5,
    "walker_limit_output": true,
    "action_wait_min": 1,
    "action_wait_max": 4,
    "debug": false,
    "test": false,
    "health_record": false,
    "location_cache": true,
    "distance_unit": "km",
    "reconnecting_timeout": 20,
    "logging_color": true,

    "catch": {
      "any": {"catch_above_cp": 0, "catch_above_iv": 0, "logic": "or"}
    },

    "release": {
      "Mewtwo": {"release_below_iv": 0},
      "Dragonite": {"release_below_iv": 0},
      "Mew": {"release_below_iv": 0},
      "Moltres": {"release_below_iv": 0},
      "Snorlax": {"release_below_iv": 0},
      "Zapdos": {"release_below_iv": 0},
      "Lapras": {"release_below_iv": 0},
      "Articuno": {"release_below_iv": 0},
      "Arcanine": {"release_below_iv": 0},
      "Vaporeon": {"release_below_iv": 0},
      "Exeggutor": {"release_below_iv": 0},
      "Gyarados": {"release_below_iv": 0.6},
      "Flareon": {"release_below_iv": 0.6},
      "Muk": {"release_below_iv": 0.6},
      "Slowbro": {"release_below_iv": 0.6},
      "Machamp": {"release_below_iv": 0.6},
      "Venusaur": {"release_below_iv": 0.6},
      "Charizard": {"release_below_iv": 0.6},
      "Victreebel": {"release_below_iv": 0.6},
      "Pollwrath": {"release_below_iv": 0.7},
      "Blastoise": {"release_below_iv": 0.7},
      "Nidoking": {"release_below_iv": 0.7},
      "Nidoqueen": {"release_below_iv": 0.7},
      "Vileplume": {"release_below_iv": 0.7},

      "any": {"release_below_cp": 0, "release_below_iv": 0.9, "logic": "or", "keep_best_iv":1}
    },

    "vips" : {
         "Any pokemon put here directly force to use Berry & Best Ball to capture, to secure the capture rate!": {},
        "any": {"catch_above_cp": 1500, "catch_above_iv": 0.9, "logic": "or" },

        "Mewtwo": {},
        "Dragonite": {},
        "Mew": {},
        "Moltres": {},
        "Snorlax": {},
        "Zapdos": {},
        "Lapras": {},
        "Articuno": {},
        "Arcanine": {},
        "Vaporeon": {},
        "Exeggutor": {},
        "Gyarados": {},
        "Flareon": {},
        "Muk": {},
        "Slowbro": {},
        "Machamp": {},
        "Venusaur": {},
        "Charizard": {},
        "Victreebel": {},
        "Pollwrath": {},
        "Blastoise": {},
        "Nidoking": {},
        "Nidoqueen": {},
        "Vileplume": {}
    }
}

Output when issue occurred

Nam-MBP:pokemongo-bot namle$ ./run.sh
2016-08-28 11:45:36,378 [       cli] [INFO] PokemonGO Bot v1.0
2016-08-28 11:45:36,389 [       cli] [INFO] commit: ed095936e8fb2bdb7442c9966630664f0cb739ea
2016-08-28 11:45:36,392 [       cli] [INFO] Configuration initialized
2016-08-28 11:45:36,527 [PokemonGoBot] [INFO] [set_start_location] Setting start location.
2016-08-28 11:45:36,529 [PokemonGoBot] [INFO] Favorite location found: taodanin ([u'10.774779', u'106.691739'])
2016-08-28 11:45:36,529 [PokemonGoBot] [INFO] [location_found] Location found: taodanin (10.774779, 106.691739, 8.0)
2016-08-28 11:45:36,530 [PokemonGoBot] [INFO] [login_started] Login procedure started.
2016-08-28 11:45:39,175 [PokemonGoBot] [INFO] [login_successful] Login successful.
2016-08-28 11:45:39,175 [PokemonGoBot] [INFO] Found encrypt.so! Platform: darwin encrypt.so directory: /Users/namle/Downloads/PokemonGo-Bot
2016-08-28 11:45:39,176 [PokemonGoBot] [INFO] 
Traceback (most recent call last):
  File "pokecli.py", line 746, in <module>
    main()
  File "pokecli.py", line 115, in main
    bot = initialize(config)
  File "pokecli.py", line 83, in initialize
    bot.start()
  File "/Users/namle/Downloads/PokemonGo-Bot/pokemongo_bot/__init__.py", line 123, in start
    init_inventory(self)
  File "/Users/namle/Downloads/PokemonGo-Bot/pokemongo_bot/inventory.py", line 1234, in init_inventory
    _inventory = Inventory(bot)
  File "/Users/namle/Downloads/PokemonGo-Bot/pokemongo_bot/inventory.py", line 1086, in __init__
    self.refresh()
  File "/Users/namle/Downloads/PokemonGo-Bot/pokemongo_bot/inventory.py", line 1096, in refresh
    self.update_web_inventory()
  File "/Users/namle/Downloads/PokemonGo-Bot/pokemongo_bot/inventory.py", line 1116, in update_web_inventory
    json_inventory = json.load(infile)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 290, in load
    **kw)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 384, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
Sun Aug 28 11:45:41 ICT 2016 Pokebot  Stopped.
Press any button or wait 20 seconds to continue.

Steps to Reproduce

Yesterday it was still running fine. Tried to start it for today and got this error.

Other Information

OS: OSx Branch: master Git Commit: ed095936e8fb2bdb7442c9966630664f0cb739ea Python Version: 2.7.10 Any other relevant files/configs (eg: path files) Path file:

[
  {"location": "10.774779, 106.691739", "loiter": 7200, "// tao dan": 0},
  {"location": "10.779082, 106.697320", "loiter": 1800, "// cong vien 30/4": 0},
  {"location": "10.787485, 106.706190", "loiter": 3600, "// so thu": 0},
  {"location": "10.782313, 106.705991", "loiter": 1200, "// ton duc thang": 0},
  {"location": "10.775163, 106.706552", "loiter": 7200, "// bach dang": 0},
  {"location": "10.771474, 106.698284", "loiter": 1800, "// tuong dai tran nguyen han": 0},
  {"location": "10.771254, 106.693135", "loiter": 1200, "// nga 6 phu dong": 0}
]