Python ObjectId from str

Question

I have a str as follows:

str = "ObjectId('60fe547ce9d9f9fd5f03bdab')"

I want to convert it to bson.objectid. Since the ObjectId() function only requires the 24 digit hex string so I am achieving this with string manipulation which is definitely not the right way:

obj = ObjectId(str[10:34])

Is there a standard way or any better way to achieve this.

Edit: I receive the string data in an HTTP POST request

How did you come upon this string? Surely whatever API gave you that string has a more direct way of getting the object ID than haphazard string manipulation. — Silvio Mayolo, Jul 28 '21 at 02:01
You could split the string on single quotes and take the middle part. — John Gordon, Jul 28 '21 at 02:03

score 0 · Answer 1 · answered Jul 28 '21 at 02:09

This looks like a good way to achieve what you need. Sometimes the best way of doing things is the simplest. If you are worried that the number of characters in objectID changes, I would use re.sub and look for '(' and ')' Find and remove a string starting and ending with a specific substring in python

score 0 · Answer 2 · answered Jul 28 '21 at 02:13

0

Your answer seems fine. You can also use eval and exec as explained here, but it has more cons than your answer.

answered Jul 28 '21 at 02:13

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Python ObjectId from str

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