Created
February 23, 2012 23:14
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boto etag hash auto verification
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| import boto | |
| s3 = boto.connect_s3() | |
| bucket = s3.get_bucket('robs-super-bucket') | |
| d = bucket.new_key() | |
| file1 = open('testfile.txt', 'r') | |
| file2 = open('otherfile.txt', 'r') | |
| # build the hash from file1 | |
| d.etag = d.compute_md5(file) | |
| # but upload file2... <kaboom!> | |
| d.send_file(file2) | |
| # If you set the etag header before uploading a file to s3 using boto, | |
| # s3 will compute the md5 on their side and reject the upload if the | |
| # sum on their side does not match the sum that you set prior to upload | |
| # | |
| # e.g., | |
| # S3DataError: BotoClientError: ETag from S3 did not match computed MD5 |
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Thanks for this gist. Should line 11 be
d.etag = d.compute_md5(file1)though?