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試圖插入我的第一塊,看起來像這樣的數據:我的第一個蒙戈插入(蟒蛇)
{
"city": "Oakland",
"latitude": "37.800427",
"longitude": "-122.275880",
"state": "California",
"zipcode": "94607"
}
當我打電話:
def establish_client(self):
self.client = MongoClient('localhost', 27017)
self.db = self.client['props']
def insert_mongo(self,property_arg):
props = self.db.props
props.insert(property_arg) #err line
我收到以下錯誤信息:
Traceback (most recent call last):
File "C:\Program Files (x86)\JetBrains\PyCharm Community Edition 3.4.1\helpers\pydev\pydevd_comm.py", line 930, in doIt
result = pydevd_vars.evaluateExpression(self.thread_id, self.frame_id, self.expression, self.doExec)
File "C:\Program Files (x86)\JetBrains\PyCharm Community Edition 3.4.1\helpers\pydev\pydevd_vars.py", line 239, in evaluateExpression
Exec(expression, updated_globals, frame.f_locals)
File "C:\Program Files (x86)\JetBrains\PyCharm Community Edition 3.4.1\helpers\pydev\pydevd_exec.py", line 3, in Exec
exec exp in global_vars, local_vars
File "<string>", line 1, in <module>
File "C:\Anaconda\lib\site-packages\pymongo\collection.py", line 409, in insert
gen(), check_keys, self.uuid_subtype, client)
File "C:\Anaconda\lib\site-packages\pymongo\collection.py", line 386, in gen
doc['_id'] = ObjectId()
TypeError: 'str' object does not support item assignment
是怎麼回事?被嵌入在類本身下面的函數產生
我認爲我正在插入對象:
def to_JSON(self):
return json.dumps(self, default=lambda o: o.__dict__,
sort_keys=True, indent=4)
我轉換爲字典中的原因是,被插入的對象的數據。我應該直接插入對象嗎? – 2015-04-04 02:52:46
@jasonm你沒有提供完整的類定義,但它看起來像你需要直接使用'self .__ dict__'或過濾它需要保留的相關部分。 – alecxe 2015-04-04 04:22:43
感謝讓我意識到「self .__ dict__」這非常有用。絕對是我需要的! – 2015-04-04 18:28:28