Hello list, I have been playing around with the development branch of IPython (0.11-dev) as they have built a PyQt-based console that supports all sorts of awesome features like tab-completion, paged browsing of function code and docstrings, and Pygments-powered syntax highlighting in addition to the normal IPython goodness. I slapped together a quick plugin that adds an IPython-based console to QGIS. The code is available at:
https://github.com/Sharpie/qgis-ipython To use it, you will need to install ZeroMQ, pyzmq, pygments and the dev version of IPython from: https://github.com/ipython/ipython The console fires up allright, but unfortunately very, very, very slow. There is about ~1-2 seconds of lag between invoking a command and receiving a response. For comparison, I threw together a minimal PyQGIS application that also uses the IPython console: https://gist.github.com/817914 The PyQGIS version is very snappy and there is no lag. I suspect the difference is due to the PyQt widget is talking to an external IPython process through ZeroMQ. When a command is executed, the console sends a message and then a Python thread waits for the response. With PyQGIS, Python is controlling the execution of the entire application. However, when the console is used as a plugin it is running in an embedded interpreter and it looks like QGIS takes a while to schedule the execution of the Python threads. Does anyone have any suggestions for solving or working around this issue? -Charlie
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