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【Redash】pythonの関数内で標準ライブラリが使えない

Posted at

Redashでpythonをデータソースとして使っていて、ちょっとハマったので残しておきます。

環境

  • Redash 7.0.0
  • python 2.7

関数内で標準ライブラリが使えない

以下のように、先頭でimportしたdatetimeライブラリをhoge関数の中で使いたかったのですが、

import datetime

def hoge():
    print(datetime.datetime.now())

hoge()

↓  Executeしたらエラーが発生しました。(!?)

Error running query: <type 'exceptions.NameError'> global name 'datetime' is not defined

解決

関数内でimportしたら動作しました。

def hoge():
    import datetime
    print(datetime.datetime.now())

hoge()
# -> [2020-02-12T09:59:05.617825] 2020-02-12 09:59:05.617767
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