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""" |
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Uploads a file using s3transfer. You can also chose how type of file that |
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is uploaded (i.e. filename, seekable, nonseekable). |
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Usage |
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===== |
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NOTE: Make sure you run ``pip install -r requirements-dev.txt`` before running. |
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To upload a file:: |
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./upload-file --file-name myfilename --file-type filename \\ |
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--s3-bucket mybucket --s3-key mykey |
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""" |
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import argparse |
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from botocore.session import get_session |
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from s3transfer.manager import TransferManager |
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class NonSeekableReader: |
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"""A wrapper to hide the ability to seek for a fileobj""" |
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def __init__(self, fileobj): |
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self._fileobj = fileobj |
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def read(self, amt=-1): |
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return self._fileobj.read(amt) |
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class Uploader: |
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def upload(self, args): |
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session = get_session() |
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client = session.create_client('s3') |
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file_type = args.file_type |
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if args.debug: |
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session.set_debug_logger('') |
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with TransferManager(client) as manager: |
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getattr(self, 'upload_' + file_type)( |
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manager, args.file_name, args.s3_bucket, args.s3_key |
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) |
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def upload_filename(self, manager, filename, bucket, s3_key): |
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manager.upload(filename, bucket, s3_key) |
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def upload_seekable(self, manager, filename, bucket, s3_key): |
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with open(filename, 'rb') as f: |
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future = manager.upload(f, bucket, s3_key) |
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future.result() |
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def upload_nonseekable(self, manager, filename, bucket, s3_key): |
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with open(filename, 'rb') as f: |
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future = manager.upload(NonSeekableReader(f), bucket, s3_key) |
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future.result() |
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def main(): |
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parser = argparse.ArgumentParser(usage=__doc__) |
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parser.add_argument('--file-name', required=True, help='The name of file') |
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parser.add_argument( |
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'--file-type', |
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choices=['filename', 'seekable', 'nonseekable'], |
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required=True, |
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help='The way to represent the file when uploading', |
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) |
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parser.add_argument( |
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'--s3-bucket', |
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required=True, |
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help='The S3 bucket to upload the file to', |
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) |
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parser.add_argument('--s3-key', required=True, help='The key to upload to') |
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parser.add_argument( |
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'--debug', |
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action='store_true', |
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help='Whether to turn debugging on. This will get printed to stderr', |
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) |
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args = parser.parse_args() |
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Uploader().upload(args) |
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if __name__ == '__main__': |
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main() |
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