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A wrapper library to access Hadoop HTTP REST API

Project Description

A Python 2/3 wrapper library to access Hadoop WebHDFS REST API

Installation

To install webhdfspy from PyPI:

$ pip install webhdfspy

Python versions

webhdfspy supports Python 2.7 and 3.4

Usage

>>> import webhdfspy
>>> webHDFS = webhdfspy.WebHDFSClient("localhost", 50070, "username")
>>> print(webHDFS.listdir('/'))
[]
>>> webHDFS.mkdir('/foo')
True
>>> print(webHDFS.listdir('/'))
[{u'group': u'supergroup', u'permission': u'755', u'blockSize': 0, u'accessTime': 0, u'pathSuffix': u'foo', u'modificationTime': 1429805040695, u'replication': 0, u'length': 0, u'childrenNum': 0, u'owner': u'username', u'storagePolicy': 0, u'type': u'DIRECTORY', u'fileId': 16387}]
>>> print webHDFS.create('/foo/foo.txt', "just put some text here", True)
True
>>> print webHDFS.open('/pywebhdfs_test/foo.txt')
just put some text here
>>> webHDFS.remove('/foo')
True
>>> print(webHDFS.listdir('/'))
[]

Hadoop configuration

To enable WebHDFS in Hadoop add this to your $HADOOP_DIR/conf/hdfs-site.xml:

<property>
     <name>dfs.webhdfs.enabled</name>
     <value>true</value>
</property>

To enable append on HDFS you need to configure your hdfs-site.xml as follows:

<property>
    <name>dfs.support.append</name>
    <value>true</value>
</property>

More about WebHDFS: https://hadoop.apache.org/docs/r1.0.4/webhdfs.html

Release History

Release History

This version
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0.3.5

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0.3.4

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0.3.3

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0.3.2

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0.3.1

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0.3

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0.2.1

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0.2

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
webhdfspy-0.3.5.tar.gz (4.4 kB) Copy SHA256 Checksum SHA256 Source Sep 8, 2016

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