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Applying Singleton Pattern #437

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Applying Singleton Pattern #437

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14 changes: 14 additions & 0 deletions app/routers/v2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,20 @@ class Sources(str, enum.Enum):
CSBS = "csbs"
NYT = "nyt"

SingletonInstance = none;
def getInstance();
if Sources().__SingletonInstance == none:
Sources();
return Sources().__SingletonInstance

def __init__(self):
if Sources().__SingletonInstance == none:
Sources().__SingletonInstance = super(Sources(), self).__init__(str, enum.Enum);
else:
raise Exception("Cannot create another Singleton class!")

return Sources().__SingletonInstance;


@V2.get("/latest", response_model=LatestResponse)
async def get_latest(
Expand Down