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Description:

robotframeworkscreencaplibrary 1.6.0

Contents

Introduction
Documentation
Installation
Usage
Using with VNC
Support

Introduction
ScreenCapLibrary is a Robot Framework test
library for taking screenshots. The project is hosted on GitHub
and downloads can be found from PyPI.
ScreenCapLibrary is operating system independent and supports Python 2.7 as well
as Python 3.4 or newer.
The library is based on RobotFramework’s standard Screenshot library. It has almost
the same functionality, except that the screenshots are captured in PNG by default.

ScreenCapLibrary has the following extra features:

Taking screenshots in PNG, JPG/JPEG, GIF and WebP formats
Video capture in WebM format, embeddable in log files
Adjusting the compression/quality of the screenshots
Support for GIFs
Taking multiple screenshots in a given amount of time
Support for partial screen captures
Configurable monitor screen grabbing for screenshots and recording

Documentation
See keyword documentation for available keywords and more information
about the library in general.
For general information about using test libraries with Robot Framework, see
Robot Framework User Guide.

Installation
The recommended installation method is using pip:
pip install --upgrade robotframework-screencaplibrary
Running this command installs also the latest Robot Framework, mss,
pillow, opencv-python and imageio versions. The minimum supported mss version is
3.2.1 and the minimum supported pillow version is 5.2.0.
For video capture at least version 4.0.0.21 of opencv-python is required.
The --upgrade option can be omitted when installing the library for the
first time.
With recent versions of pip it is possible to install directly from the
GitHub repository. To install latest source from the master branch, use
this command:
pip install git+https://github.com/mihaiparvu/ScreenCapLibrary.git
Alternatively you can download the source distribution from PyPI, extract
it, and install it:
python setup.py install

Usage
To use ScreenCapLibrary in Robot Framework tests, the library needs to first be
imported using the Library setting as any other library.
When using Robot Framework, it is generally recommended to write as
easy-to-understand tests as possible.
*** Settings ***
Documentation This example demonstrates capturing a screenshot on the local
... machine.

Library ScreenCapLibrary
Library OperatingSystem
Test Teardown Remove File screenshot_1.jpg

*** Test Cases ***
Take A Low File Size Jpg Screenshot
Take Screenshot name=screenshot format=jpg quality=0
File Should Exist screenshot_1.jpg

Using with VNC
At the time of this release mss, does not work on GNU/Linux with VNC virtual desktop.
As a workaround you can change the screenshot_module value at library import to PyGTK.
*** Settings ***
Library ScreenCapLibrary screenshot_module=PyGTK
For this to work you need to have the following dependencies installed.

With Python 2:
sudo apt install python-gtk2

With Python 3:
sudo apt install python-gi python-gi-cairo python3-gi python3-gi-cairo gir1.2-gtk-3.0

Support
If the provided documentation is not enough, there are various support forums
available:

robotframework-users mailing list
channels in Robot Framework Slack community
ScreenCapLibrary issue tracker for bug reports and concrete enhancement
requests