Python Minio.presigned_post_policy方法代码示例

# 需要导入模块: from minio import Minio [as 别名]
# 或者: from minio.Minio import presigned_post_policy [as 别名]
from minio.error import ResponseError

post_policy = PostPolicy()
# set bucket name location for uploads.
post_policy.set_bucket_name('my-bucketname')
# set key prefix for all incoming uploads.
post_policy.set_key_startswith('my-objectname')
# set content length for incoming uploads.
post_policy.set_content_length_range(10, 1024)

# set expiry 10 days into future.
expires_date = datetime.utcnow()+timedelta(days=10)
post_policy.set_expires(expires_date)

client = Minio('s3.amazonaws.com',
               access_key='YOUR-ACCESSKEYID',
               secret_key='YOUR-SECRETACCESSKEY')

try:
    curl_str = 'curl -X POST my-bucketname.s3.amazonaws.com/'
    curl_cmd = [curl_str]
    signed_form_data = client.presigned_post_policy(post_policy)
    for field in signed_form_data:
        curl_cmd.append('-F {0}={1}'.format(field, signed_form_data[field]))

        # print curl command to upload files.
        curl_cmd.append('-F [email protected]<FILE>')
        print(' '.join(curl_cmd))
except ResponseError as err:
    print(err)

# 需要导入模块: from minio import Minio [as 别名]
# 或者: from minio.Minio import presigned_post_policy [as 别名]

#.........这里部分代码省略.........
    # Enable trace
    # client.trace_on(sys.stderr)

    # Make a new bucket.
    bucket_name = 'minio-pytest'

    print(client.make_bucket(bucket_name))
    print(client.make_bucket(bucket_name+'.unique',
                             location='us-west-1'))

    ## Check if return codes a valid from server.
    try:
        client.make_bucket(bucket_name+'.unique',
                           location='us-west-1')
    except ResponseError as err:
        if str(err.code) in ['BucketAlreadyOwnedByYou', 'BucketAlreadyExists']:
            pass
        else:
            raise

    # Check if bucket was created properly.
    print(client.bucket_exists(bucket_name))
    print(client.bucket_exists(bucket_name+'.unique'))

    # List all buckets.
    buckets = client.list_buckets()
    for bucket in buckets:
        print(bucket.name, bucket.creation_date)

    with open('testfile', 'wb') as file_data:
        file_data.write(fake.text().encode('utf-8'))
    file_data.close()

    # Put a file
    file_stat = os.stat('testfile')
    with open('testfile', 'rb') as file_data:
        client.put_object(bucket_name, object_name, file_data, file_stat.st_size)
    file_data.close()

    # Fput a file
    print(client.fput_object(bucket_name, object_name+'-f', 'testfile'))

    # Fetch stats on your object.
    print(client.stat_object(bucket_name, object_name))

    # Get a full object
    object_data = client.get_object(bucket_name, object_name)
    with open('newfile', 'wb') as file_data:
        for data in object_data:
            file_data.write(data)
    file_data.close()

    # Get a full object locally.
    print(client.fget_object(bucket_name, object_name, 'newfile-f'))

    # List all object paths in bucket.
    objects = client.list_objects(bucket_name, recursive=True)
    for obj in objects:
        print(obj.bucket_name, obj.object_name, obj.last_modified, \
            obj.etag, obj.size, obj.content_type)

    presigned_get_object_url = client.presigned_get_object(bucket_name, object_name)
    response = _http.urlopen('GET', presigned_get_object_url)
    if response.status != 200:
        response_error = ResponseError(response)
        raise response_error.get(bucket_name, object_name)

    presigned_put_object_url = client.presigned_put_object(bucket_name, object_name)
    value = fake.text().encode('utf-8')
    data = io.BytesIO(value).getvalue()
    response = _http.urlopen('PUT', presigned_put_object_url, body=data)
    if response.status != 200:
        response_error = ResponseError(response)
        raise response_error.put(bucket_name, object_name)

    object_data = client.get_object(bucket_name, object_name)
    if object_data.read() != value:
        raise ValueError('Bytes not equal')

    # Post policy.
    policy = PostPolicy()
    policy.set_bucket_name(bucket_name)
    policy.set_key_startswith('objectPrefix/')

    expires_date = datetime.utcnow()+timedelta(days=10)
    policy.set_expires(expires_date)
    print(client.presigned_post_policy(policy))

    # Remove an object.
    print(client.remove_object(bucket_name, object_name))
    print(client.remove_object(bucket_name, object_name+'-f'))

    # Remove a bucket. This operation will only work if your bucket is empty.
    print(client.remove_bucket(bucket_name))
    print(client.remove_bucket(bucket_name+'.unique'))

    # Remove temporary files.
    os.remove('testfile')
    os.remove('newfile')
    os.remove('newfile-f')