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I am developing a python GUI for my company using PySide which is under LGPL license.

My company would like to sell it and thus it can't be open source. From my understanding of the LGPL, I need to make sure that the final user would be able to replace the libraries in my program with their own version.

To obtain a compact, sharable version of the program, I am using cx_Freeze. Do you think this comply with the license?

From cx_Freeze docs:

cx_Freeze normally produces a folder containing an executable file for your program, along with the shared libraries (DLLs or .so files) needed to run it.

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    Related: What exactly do I need to do if I use a LGPL licensed library? You can apply the advice in that answer to your specific situation. Notice that if you distribute with cx_Freeze, you will need to at least comply with the licenses of at least the two libraries: Qt (the DLLs, .so's, etc.) and PySide (the .pyc files). – Brandin Apr 23 at 6:37
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In order to comply with the LGPL, you still need to bundle your product with the PySide library source.

DLLs and .so files are compiled. You also need to provide the source code of PySide that you are using. But only theirs. You don't have to share your source code, if you only use their library without modifying it. If you don't want to do that then Qt is providing commercial license as well and you don't have to worry about anything.

  • What do you mean by bundle? I am already sharing my product with the library inside using cx_freeze. – Francesco Pegoraro Apr 21 at 12:18
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    Please add more details to the answer itself to make it more helpful. – Brandin Apr 21 at 17:21
  • @Brandin Thanks for the advice! – Smart455 Apr 21 at 17:58

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