RSS module - 1/7 ==> Blog installation (12) python (3)


module - 1/7

opencv, cannot find DLL

2018-07-29

I recently faced an issue with opencv-python and python 3.7: import cv2 returned the following error:

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pyecharts + echarts

2018-07-05

pyecharts is a wrapper around echarts, a library developped by Baidu. Most of the documentation is in Chinese so it handles every language. Check the gallery, it is quite impressive. One example about is graph shows relationships in Les Miserables. The Python wrapper used som technics such as modules to automatically converts python code into javascript: javascripthon. I recommend reading the associated paper ECharts: A declarative framework for rapid construction of web-based visualizatio which mentions many existing libraries and explain their technical choice like not using SVG to increase performance (so no depndency on d3.js).

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Build pythonnet

2018-05-20

Building pythonnet on CircleCI was quite interesting. You can check the outcome on sdpython/pythonnet and get artifacts at CircleCI/sdpython. The instructions are described in .circleci/config.yml.

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Build onnx for Windows

2018-04-16

onnx is not necessarily up to date on PyPI. To get the latest version, the simplest is to clone the project on github and set up a build like this one on appveyor. But before that, you need to mofiy file appveyor.yml and a section for artifacts:

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m2r as a replacement of recommonmark

2018-03-01

recommonmark was not recently updated and fails with the latest version of Sphinx (1.7.1). See ‘Values’ object has no attribute ‘pep_references’ missing with 1.7.0b1. You should use m2r.

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Install spacy on Windows

2018-02-21

It is not difficult to install spacy on Windows. The site Unofficial Windows Binaries for Python Extension Packages hosted a compiled version. But I tried:

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Build cvxopt on Windows, cvxopt 1.1.9 not compatible with numpy 1.14

2018-01-17

I recently started to have an issue with cvxopt.

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ete3 and PyQt5

2017-11-11

ete3 now works with PyQt5 due to the pull request #284.

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Install pytorch on Windows

2017-11-08

You can go there peterjc123/pytorch or type conda install -c peterjc123 pytorch. the setup can be created after unzipping the sources and running example Create a setup from installed packages.

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A few interesting modules

2017-11-04

  • GPAW : GPAW is a density-functional theory (DFT) Python code based on the projector-augmented wave (PAW) method and the atomic simulation environment (ASE). It uses plane-waves, atom-centered basis-functions or real-space uniform grids combined with multigrid methods.

  • mypy : an experimental optional static type checker for Python that aims to combine the benefits of dynamic (or “duck”) typing and static typing.

  • scapy : networks, IP, protocols

  • sympy-live : web server to run custom examples

  • wooey : website to execute python script

  • zc.async : processus synchronization

  • zentyal : small business server, includes mails

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