def put(self, filedata, content_type, remote_path, force=False):

        now = datetime.datetime.utcnow()
        then = now + datetime.timedelta(self.expiration_days)
        expires = then.strftime("%a, %d %b %Y %H:%M:%S GMT")
        
        if self.aws_prefix:
            remote_path = "%s/%s" % (self.aws_prefix, remote_path)
            
        (hexdigest, b64digest) = mediasync.checksum(filedata)
        raw_b64digest = b64digest # store raw b64digest to add as file metadata

        # create initial set of headers
        headers = {
            "x-amz-acl": "public-read",
            "Content-Type": content_type,
            "Expires": expires,
            "Cache-Control": 'max-age=%d, public' % (self.expiration_days * 24 * 3600),
        }
        
        key = self._bucket.get_key(remote_path)
        
        if key is None:
            key = Key(self._bucket, remote_path)
        
        key_meta = key.get_metadata('mediasync-checksum') or ''
        s3_checksum = key_meta.replace(' ', '+')
        if force or s3_checksum != raw_b64digest:
            
            key.set_metadata('mediasync-checksum', raw_b64digest)
            key.set_contents_from_string(filedata, headers=headers, md5=(hexdigest, b64digest))
        
            # check to see if file should be gzipped based on content_type
            # also check to see if filesize is greater than 1kb
            if content_type in TYPES_TO_COMPRESS:
                # Use a .gzt extension to avoid issues with Safari on OSX
                key = Key(self._bucket, "%s.gzt" % remote_path)
                
                filedata = mediasync.compress(filedata)
                (hexdigest, b64digest) = mediasync.checksum(filedata) # update checksum with compressed data
                headers["Content-Disposition"] = 'inline; filename="%sgzt"' % remote_path.split('/')[-1]
                headers["Content-Encoding"] = 'gzip'
                
                key.set_metadata('mediasync-checksum', raw_b64digest)
                key.set_contents_from_string(filedata, headers=headers, md5=(hexdigest, b64digest))
            
            return True
dataset/ETHPy150Open sunlightlabs/django-mediasync/mediasync/backends/s3.py/Client.put/original