This commit enables new flake8 checks:
* E265 block comment should start with '# '
* H405 multi line docstring summary not separated with an empty line
* E123 closing bracket does not match indentation of opening bracket's line
* H238 old style class declaration, use new style (inherit from `object`)
* E128 continuation line under-indented for visual indent
and makes related changes in the code.
Change-Id: Ie993afc930f6b74d7a990bcaa9fc0e9f5ba1585c
In Python 3, __next__() has replaced next(). Also, call the next() function
rather than the next() method.
Closes-Bug: #1281866
Change-Id: I92b44508c9c875f16ad89ef8410d2c38092ab23d
The new line should be writed to stdout only when there is
a progress bar displayed.
Change-Id: If0e62cd5a3734ed67d66d285267c101b7caeea77
Closes-Bug: #1253042
Add a new module that contain generic wrapper for file and iterator, which
are used to wrap image to upload and the request body iterator in upload and
download cases repectively, to show and advance a pretty progress bar when this
laters are consumed, The progress bar is triggered by adding a --progress command
line argument to commands: image-create, image-download or image-update.
Change-Id: I2ba42fd0c58f4fa087adb568ec3f08246cae3759
bug fix: LP#1112309
blueprint: progressbar-when-uploading
