lang/python/python3-host.mk

   1 #
   2 # Copyright (C) 2017 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 # Note: include this file after `include $(TOPDIR)/rules.mk in your package Makefile
   9 #       if `python3-package.mk` is included, this will already be included
  10
  11 # For PYTHON3_VERSION
  12 python3_mk_path:=$(dir $(lastword $(MAKEFILE_LIST)))
  13 include $(python3_mk_path)python3-version.mk
  14
  15 # Unset environment variables
  16
  17 # https://docs.python.org/3/using/cmdline.html#environment-variables
  18 unexport \
  19         PYTHONHOME \
  20         PYTHONPATH \
  21         PYTHONSAFEPATH \
  22         PYTHONPLATLIBDIR \
  23         PYTHONSTARTUP \
  24         PYTHONOPTIMIZE \
  25         PYTHONBREAKPOINT \
  26         PYTHONDEBUG \
  27         PYTHONINSPECT \
  28         PYTHONUNBUFFERED \
  29         PYTHONVERBOSE \
  30         PYTHONCASEOK \
  31         PYTHONDONTWRITEBYTECODE \
  32         PYTHONPYCACHEPREFIX \
  33         PYTHONHASHSEED \
  34         PYTHONINTMAXSTRDIGITS \
  35         PYTHONIOENCODING \
  36         PYTHONNOUSERSITE \
  37         PYTHONUSERBASE \
  38         PYTHONEXECUTABLE \
  39         PYTHONWARNINGS \
  40         PYTHONFAULTHANDLER \
  41         PYTHONTRACEMALLOC \
  42         PYTHONPROFILEIMPORTTIME \
  43         PYTHONASYNCIODEBUG \
  44         PYTHONMALLOC \
  45         PYTHONMALLOCSTATS \
  46         PYTHONLEGACYWINDOWSFSENCODING \
  47         PYTHONLEGACYWINDOWSSTDIO \
  48         PYTHONCOERCECLOCALE \
  49         PYTHONDEVMODE \
  50         PYTHONUTF8 \
  51         PYTHONWARNDEFAULTENCODING \
  52         PYTHONNODEBUGRANGES
  53
  54 # https://docs.python.org/3/using/cmdline.html#debug-mode-variables
  55 unexport \
  56         PYTHONTHREADDEBUG \
  57         PYTHONDUMPREFS \
  58         PYTHONDUMPREFSFILE
  59
  60 HOST_PYTHON3_DIR:=$(STAGING_DIR_HOSTPKG)
  61 HOST_PYTHON3_INC_DIR:=$(HOST_PYTHON3_DIR)/include/python$(PYTHON3_VERSION)
  62 HOST_PYTHON3_LIB_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)
  63
  64 HOST_PYTHON3_PKG_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)/site-packages
  65
  66 HOST_PYTHON3_BIN:=$(HOST_PYTHON3_DIR)/bin/python$(PYTHON3_VERSION)
  67
  68 HOST_PYTHON3PATH:=$(HOST_PYTHON3_LIB_DIR):$(HOST_PYTHON3_PKG_DIR)
  69
  70 HOST_PYTHON3_VARS = \
  71         ARCH="$(HOST_ARCH)" \
  72         CC="$(HOSTCC)" \
  73         CCSHARED="$(HOSTCC) $(HOST_FPIC)" \
  74         CXX="$(HOSTCXX)" \
  75         LD="$(HOSTCC)" \
  76         LDSHARED="$(HOSTCC) -shared" \
  77         CFLAGS="$(HOST_CFLAGS)" \
  78         CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
  79         LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib"
  80
  81 # $(1) => directory of python script
  82 # $(2) => python script and its arguments
  83 # $(3) => additional variables
  84 define HostPython3/Run
  85         cd "$(if $(strip $(1)),$(strip $(1)),.)" && \
  86         $(HOST_PYTHON3_VARS) \
  87         $(3) \
  88         $(HOST_PYTHON3_BIN) $(2)
  89 endef
  90
  91 # Note: I shamelessly copied this from Yousong's logic (from python-packages);
  92 HOST_PYTHON3_PIP:=$(STAGING_DIR_HOSTPKG)/bin/pip$(PYTHON3_VERSION)
  93
  94 HOST_PYTHON3_PIP_CACHE_DIR:=$(DL_DIR)/pip-cache
  95
  96 HOST_PYTHON3_PIP_VARS:= \
  97         PIP_CACHE_DIR="$(HOST_PYTHON3_PIP_CACHE_DIR)" \
  98         PIP_CONFIG_FILE=/dev/null \
  99         PIP_DISABLE_PIP_VERSION_CHECK=1
 100
 101 # Multiple concurrent pip processes can lead to errors or unexpected results: https://github.com/pypa/pip/issues/2361
 102 # $(1) => packages to install
 103 define HostPython3/PipInstall
 104         $(call locked, \
 105                 $(HOST_PYTHON3_VARS) \
 106                 $(HOST_PYTHON3_PIP_VARS) \
 107                 $(HOST_PYTHON3_PIP) \
 108                         install \
 109                         --no-binary :all: \
 110                         --progress-bar off \
 111                         --require-hashes \
 112                         $(1) \
 113                 $(if $(CONFIG_PYTHON3_HOST_PIP_CACHE_WORLD_READABLE), \
 114                         && $(FIND) $(HOST_PYTHON3_PIP_CACHE_DIR) -not -type d -exec chmod go+r  '{}' \; \
 115                         && $(FIND) $(HOST_PYTHON3_PIP_CACHE_DIR)      -type d -exec chmod go+rx '{}' \; \
 116                 ), \
 117                 pip \
 118         )
 119 endef