[Python] Python String 1:1 to Custom Object

So, I am working with the Gemini API and I want to send a chat but the problem is, it is requiring a array of types.Content (Documentation: https://ai.google.dev/api/caching#Content) as "history".

My Problem is: I have this array perfectly done but it is inside a string. (I have it in a string, to easily store it in my MongoDB db)

It should look like this:

history=[
types.Content(role="user", parts=[types.Part(text="User-Question")]),
types.Content(role="model", parts=[types.Part(text="AI-Answer")],)
]


But what I have is this:

history=[
"types.Content(role='user', parts=[types.Part(text='User-Question')])",
"types.Content(role='model', parts=[types.Part(text='AI-Answer')])"
]


You get my Problem?

I have tried to use eval(), literal_eval() and many other more solutions (i found on google).

Edit: My eval try:

for part in result["history"]:
print(type(part), part)
x = eval(part)


Output:

<class 'str'> types.Content(role='user', text='Erkläre kurz, was ein LLM ist.\n') unterminated string literal (detected at line 1) (<string>, line 1)
​

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