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PDAL's Python Support
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Install from pypi for win64 #166

Closed sehHeiden closed 4 months ago

sehHeiden commented 4 months ago

I am trying to install PDAL to use with Python3 with my requirements.txt with pip on Windows11.

Using Python 3.11.8.

Steps: 1) I installed Visual Studio (for the C-Compiler) 2) Installed C-Make (Added to Path) 3) Restated the PC several times.

Still I get this error:

Detecting CXX compile features - done -- Found Python3: .../venv/Scripts/python.exe (found version "3.11.8") found components: Interpreter Development.Module NumPy CMake Error at CMakeLists.txt:26 (find_package): By not providing "FindPDAL.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "PDAL", but CMake did not find one.

    Could not find a package configuration file provided by "PDAL" (requested
    version 2.5) with any of the following names:

      PDALConfig.cmake
      pdal-config.cmake

    Add the installation prefix of "PDAL" to CMAKE_PREFIX_PATH or set
    "PDAL_DIR" to a directory containing one of the above files.  If "PDAL"
    provides a separate development package or SDK, be sure it has been
    installed.

Do I need anything else before installing with pip?

hobu commented 4 months ago

Do I need anything else before installing with pip?

You need the PDAL library installed. It does not come with the Python packages and there are no binary wheels with it.

sehHeiden commented 4 months ago

Can you please:

a) Mention this on PyPi, so that is clear, that the something else is needed. b) over another source for PDAL than conda? All other libraries I use, now also work with pip on Windows!

hobu commented 4 months ago

a. Done in https://github.com/PDAL/python/pull/165/commits/f065148cab68209d49614c850c0f829620e0af49 to be included in the next PDAL Python bindings release.

b. No. You are welcome to provide patches to build config and cibuildwheel that construct wheels on Windows for PDAL and the PDAL Python bindings, demonstrate commitment to the project to maintain them going forward, and be prepared to answer any and all support help issues that arise from the DLL hell put upon users by binary wheels for projects with extensive dependencies like PDAL and GDAL.