vcpkg/ports/vcpkg-get-python-packages/x_vcpkg_get_python_packages.cmake
Alexander Neumann 5afd32266c
[qtinterfaceframework|opencv] fix python stuff (#24041)
* add upstream patch

* [skip actions] add the patch file

* fine tune

* [opencv] update portfiles to use vcpkg-get-python-packages

* fix references

* try another fix

* add all deps

* add code from tensorflow about venv

* retry

* fix file path

* new approach

* unset pythonhome

* next unset

* try this instead.

* retry without the PYTHON_LIB_PATH stuff

* try and error

* next try

* retry

* typo fix

* try updating

* retry

* more try and error

* reorder

* drop qface version

* use qface 2.0.5

* bump watchdog

* fix call on !windows

* fine tuning

* refactor function signature

* update version

* fix formating

* version stuff

* create dir before usage

* fine tuning

* version stuff

* update and patch libilbc

* formating stuff

* fix version-string

* version stuff

* add license

* version update

* bump version

* version stuff

* version stuff

Co-authored-by: Alexander Neumann <you@example.com>
Co-authored-by: Stefano Sinigardi <stesinigardi@hotmail.com>
2022-04-14 11:08:23 -07:00

135 lines
6.3 KiB
CMake

#[===[.md:
# x_vcpkg_get_python_packages
Experimental
Retrieve needed python packages
## Usage
```cmake
x_vcpkg_get_python_packages(
[PYTHON_VERSION (2|3)]
PYTHON_EXECUTABLE <path to python binary>
REQUIREMENTS_FILE <file-path>
PACKAGES <packages to aqcuire>...
[OUT_PYTHON_VAR somevar]
)
```
## Parameters
### PYTHON_VERSION
Python version to be used. Either 2 or 3
### PYTHON_EXECUTABLE
Full path to the python executable
### REQUIREMENTS_FILE
Requirement file with the list of python packages
### PACKAGES
List of python packages to acquire
### OUT_PYTHON_VAR
Variable to store the path to the python binary inside the virtual environment
#]===]
include_guard(GLOBAL)
function(x_vcpkg_get_python_packages)
cmake_parse_arguments(PARSE_ARGV 0 arg "" "PYTHON_VERSION;PYTHON_EXECUTABLE;REQUIREMENTS_FILE;OUT_PYTHON_VAR" "PACKAGES")
if(DEFINED arg_PYTHON_VERSION AND NOT DEFINED arg_PYTHON_EXECUTABLE)
vcpkg_find_acquire_program(PYTHON${arg_PYTHON_VERSION})
set(arg_PYTHON_EXECUTABLE "${PYTHON${arg_PYTHON_VERSION}}")
endif()
if(NOT DEFINED arg_PYTHON_EXECUTABLE AND NOT DEFINED arg_PYTHON_VERSION)
message(FATAL_ERROR "PYTHON_EXECUTABLE or PYTHON_VERSION must be specified.")
elseif(NOT DEFINED arg_PYTHON_VERSION)
if(arg_PYTHON_EXECUTABLE MATCHES "(python3|python-3)")
set(arg_PYTHON_VERSION 3)
else()
set(arg_PYTHON_VERSION 2)
endif()
endif()
if(NOT DEFINED arg_OUT_PYTHON_VAR)
set(arg_OUT_PYTHON_VAR "PYTHON${arg_PYTHON_VERSION}")
endif()
if(NOT DEFINED arg_PACKAGES AND NOT DEFINED arg_REQUIREMENTS_FILE)
message(FATAL_ERROR "PACKAGES or REQUIREMENTS_FILE must be specified.")
endif()
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
get_filename_component(python_dir "${arg_PYTHON_EXECUTABLE}" DIRECTORY)
set(ENV{PYTHONNOUSERSITE} "1")
if("${python_dir}" MATCHES "(${DOWNLOADS}|${CURRENT_HOST_INSTALLED_DIR})" AND CMAKE_HOST_WIN32) # inside vcpkg and windows host.
#if(NOT EXISTS "${python_dir}/python310._pth" AND PYTHON_EXECUTABLE MATCHES "python3")
# file(COPY "${CURRENT_HOST_INSTALLED_DIR}/share/vcpkg-get-python-packages/python310._pth" DESTINATION "${python_dir}")
#endif()
if(NOT EXISTS "${python_dir}/easy_install${VCPKG_HOST_EXECUTABLE_SUFFIX}")
if(NOT EXISTS "${python_dir}/Scripts/pip${VCPKG_HOST_EXECUTABLE_SUFFIX}")
vcpkg_from_github(
OUT_SOURCE_PATH PYFILE_PATH
REPO pypa/get-pip
REF 38e54e5de07c66e875c11a1ebbdb938854625dd8 #2022-03-07
SHA512 431a9f66618a2f251db3a8c3311e7fc3af3ff7364ec1d14a99f1b9c237646b6146cef8b9471d83e1086dba2ed448bccc48d99b2bb375e4235d78e76d9970d3e5
)
vcpkg_execute_required_process(COMMAND "${arg_PYTHON_EXECUTABLE}" "${PYFILE_PATH}/public/get-pip.py" --no-warn-script-location
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "get-pip-${TARGET_TRIPLET}")
endif()
vcpkg_execute_required_process(COMMAND "${python_dir}/Scripts/pip${VCPKG_HOST_EXECUTABLE_SUFFIX}" install virtualenv --no-warn-script-location
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "pip-install-virtualenv-${TARGET_TRIPLET}")
else()
vcpkg_execute_required_process(COMMAND "${python_dir}/easy_install${VCPKG_HOST_EXECUTABLE_SUFFIX}" virtualenv --no-warn-script-location #${_package}
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "easy-install-virtualenv-${TARGET_TRIPLET}")
endif()
endif()
set(venv_path "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-venv")
file(REMOVE_RECURSE "${venv_path}") # Remove old venv
file(MAKE_DIRECTORY "${venv_path}")
if(CMAKE_HOST_WIN32)
file(MAKE_DIRECTORY "${python_dir}/DLLs")
set(python_sub_path /Scripts)
set(python_venv virtualenv)
file(COPY "${python_dir}/python310.zip" DESTINATION "${venv_path}/Scripts")
set(python_venv_options "--app-data" "${venv_path}/data")
else()
set(python_sub_path /bin)
set(python_venv venv)
set(python_venv_options --symlinks)
endif()
set(ENV{PYTHONNOUSERSITE} "1")
message(STATUS "Setting up python virtual environmnent...")
vcpkg_execute_required_process(COMMAND "${arg_PYTHON_EXECUTABLE}" -m "${python_venv}" ${python_venv_options} "${venv_path}"
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "venv-setup-${TARGET_TRIPLET}")
vcpkg_add_to_path(PREPEND "${venv_path}${python_sub_path}")
set(${arg_OUT_PYTHON_VAR} "${venv_path}${python_sub_path}/python${VCPKG_HOST_EXECUTABLE_SUFFIX}")
set(ENV{VIRTUAL_ENV} "${venv_path}")
unset(ENV{PYTHONHOME})
unset(ENV{PYTHONPATH})
if(DEFINED arg_REQUIREMENTS_FILE)
message(STATUS "Installing requirements from: ${arg_REQUIREMENTS_FILE}")
vcpkg_execute_required_process(COMMAND "${${arg_OUT_PYTHON_VAR}}" -m pip install -r ${arg_REQUIREMENTS_FILE}
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "pip-install-requirements-file-${TARGET_TRIPLET}")
endif()
if(DEFINED arg_PACKAGES)
message(STATUS "Installing python packages: ${arg_PACKAGES}")
vcpkg_execute_required_process(COMMAND "${${arg_OUT_PYTHON_VAR}}" -m pip install ${arg_PACKAGES}
WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
LOGNAME "pip-install-packages-${TARGET_TRIPLET}")
endif()
message(STATUS "Setting up python virtual environmnent...finished.")
set(${arg_OUT_PYTHON_VAR} "${PYTHON${arg_PYTHON_VERSION}}" PARENT_SCOPE)
set(${arg_OUT_PYTHON_VAR} "${PYTHON${arg_PYTHON_VERSION}}" CACHE PATH "" FORCE)
endfunction()