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For files that have a Cloudera copyright (and no other copyright notice), make changes to follow the ASF source file header policy here: http://www.apache.org/legal/src-headers.html#headers Specifically: 1) Remove the Cloudera copyright. 2) Modify NOTICE.txt according to http://www.apache.org/legal/src-headers.html#notice to follow that format and add a line for Cloudera. 3) Replace or add the existing ASF license text with the one given on the website. Much of this change was automatically generated via: git grep -li 'Copyright.*Cloudera' > modified_files.txt cat modified_files.txt | xargs perl -n -i -e 'print unless m#Copyright.*Cloudera#i;' cat modified_files_txt | xargs fix_apache_license.py [1] Some manual fixups were performed following those steps, especially when license text was completely missing from the file. [1] https://gist.github.com/anonymous/ff71292094362fc5c594 with minor modification to ORIG_LICENSE to match Impala's license text. Change-Id: I2e0bd8420945b953e1b806041bea4d72a3943d86 Reviewed-on: http://gerrit.cloudera.org:8080/3779 Reviewed-by: Dan Hecht <dhecht@cloudera.com> Tested-by: Internal Jenkins
65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# Filsystem access abstraction
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from abc import ABCMeta, abstractmethod
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class BaseFilesystem(object):
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__metaclass__ = ABCMeta
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@abstractmethod
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def create_file(self, path, file_data, overwrite):
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"""Create a file in 'path' and populate with the string 'file_data'. If overwrite is
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True, the file is overwritten. Returns True if successful, False if the file already
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exists and throws an exception otherwise"""
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pass
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@abstractmethod
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def make_dir(self, path, permission):
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"""Create a directory in 'path' with octal umask 'permission'.
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Returns True if successful and throws an exception otherwise"""
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pass
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@abstractmethod
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def copy(self, src, dst):
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"""Copy a file from 'src' to 'dst'. Throws an exception if unsuccessful."""
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pass
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@abstractmethod
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def ls(self, path):
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"""Return a list of all files/dirs/keys in path. Throws an exception if path
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is invalid."""
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pass
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@abstractmethod
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def exists(self, path):
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"""Returns True if a particular path exists, else it returns False."""
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pass
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@abstractmethod
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def delete_file_dir(self, path, recursive):
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"""Delete all files/dirs/keys in a path. Returns True if successful or if the file
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does not exist. Throws an exception otherwise."""
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pass
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@abstractmethod
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def get_all_file_sizes(self, path):
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"""Returns a list of integers which are all the file sizes of files found under
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'path'."""
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pass
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