AzureDLFileSystem does not follow PythonFilesystem Interface

[yshahin]

Description

Outline the issue here:
Working with Bonobo lib I am unable to utilize the library cause it doesn't conform the PythonFilesystem Interface.
Current problem facing is "open() got an unexpected keyword argument 'encoding'"

Reproduction Steps

** Enumerate the steps to reproduce the issue here:**
Use AzureDLFileSystem instance as a bonobo file system service

Environment summary

SDK Version: What version of the SDK are you using? (pip show azure-datalake-store)
Answer here: 0.0.31

Python Version: What Python version are you using? Is it 64-bit or 32-bit?
Answer here: 64-bit v3.6.5

OS Version: What OS and version are you using?
Answer here: Windows

Shell Type: What shell are you using? (e.g. bash, cmd.exe, Bash on Windows)
Answer here: Git Bash

[akharit]

@yshahin Thanks for pointing the issue!

Can you please provide some stub code that reproduces the error?

[akharit]

This might be related to #238 and #232.

[yshahin]

Yes they are related

[akharit]

Closing as it requires text mode support i.e encoding, while adls only provides binary support.