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annotate user_photos/s3.py @ 699:d33bedc3be74

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Merge private messages fix with current development of S3 photo upload.
author Brian Neal <bgneal@gmail.com>
date Mon, 09 Sep 2013 20:53:08 -0500
parents 67f8d49a9377
children
rev   line source
bgneal@697 1 """s3.py
bgneal@697 2
bgneal@697 3 This module provides the necessary S3 upload functionality for the user_photos
bgneal@697 4 application.
bgneal@697 5
bgneal@697 6 """
bgneal@697 7 from boto.s3.connection import S3Connection
bgneal@697 8 from boto.s3.key import Key
bgneal@697 9
bgneal@697 10
bgneal@697 11 class S3Bucket(object):
bgneal@697 12 """This class abstracts an Amazon S3 bucket.
bgneal@697 13
bgneal@697 14 We currently only need upload functionality.
bgneal@697 15
bgneal@697 16 """
bgneal@697 17 def __init__(self, access_key, secret_key, bucket_name):
bgneal@697 18 self.conn = S3Connection(access_key, secret_key)
bgneal@697 19 self.bucket = self.conn.get_bucket(bucket_name, validate=False)
bgneal@697 20
bgneal@697 21 def upload_from_filename(self, key_name, filename, metadata=None,
bgneal@697 22 public=True):
bgneal@697 23 """Uploads data from the file named by filename to a new key named
bgneal@697 24 key_name. metadata, if not None, must be a dict of metadata key / value
bgneal@697 25 pairs which will be added to the key.
bgneal@697 26
bgneal@697 27 If public is True, the key will be made public after the upload.
bgneal@697 28
bgneal@697 29 """
bgneal@697 30 key = self._make_key(key_name, metadata)
bgneal@697 31 key.set_contents_from_filename(filename)
bgneal@697 32 if public:
bgneal@697 33 key.make_public()
bgneal@697 34
bgneal@697 35 def upload_from_string(self, key_name, content, metadata=None,
bgneal@697 36 public=True):
bgneal@697 37 """Creates a new key with the given key_name, and uploads the string
bgneal@697 38 content to it. metadata, if not None, must be a dict of metadata key /
bgneal@697 39 value pairs which will be added to the key.
bgneal@697 40
bgneal@697 41 If public is True, the key will be made public after the upload.
bgneal@697 42
bgneal@697 43 """
bgneal@697 44 key = self._make_key(key_name, metadata)
bgneal@697 45 key.set_contents_from_string(content)
bgneal@697 46 if public:
bgneal@697 47 key.make_public()
bgneal@697 48
bgneal@697 49 def _make_key(self, key_name, metadata):
bgneal@697 50 """Private method to create a key and optionally apply metadata to
bgneal@697 51 it.
bgneal@697 52
bgneal@697 53 """
bgneal@697 54 key = Key(self.bucket)
bgneal@697 55 key.key = key_name
bgneal@697 56 if metadata:
bgneal@697 57 for k, v in metadata.iteritems():
bgneal@697 58 key.set_metadata(k, v)
bgneal@697 59 return key