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1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2003 Gentoo Technologies, Inc.
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.3 2003/10/09 08:57:20 liquidx Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.7 2003/10/24 07:12:42 pythonhead Exp $
4# 4#
5# Author: Alastair Tse <liquidx@gentoo.org> 5# Author: Alastair Tse <liquidx@gentoo.org>
6# 6#
7# A Utility Eclass that should be inherited by anything that deals with 7# A Utility Eclass that should be inherited by anything that deals with
8# Python or Python modules. 8# Python or Python modules.
20inherit alternatives 20inherit alternatives
21 21
22ECLASS="python" 22ECLASS="python"
23INHERITED="$INHERITED $ECLASS" 23INHERITED="$INHERITED $ECLASS"
24 24
25#
26# name: python_disable/enable_pyc
27# desc: tells python not to automatically recompile modules to .pyc/.pyo
28# even if the timestamps/version stamps don't match. this is
29# done to protect sandbox.
30#
31# note: supported by >=dev-lang/python-2.2.3-r3 only.
32#
25python_disable_pyc() { 33python_disable_pyc() {
26 export PYTHON_DONTCOMPILE=1 34 export PYTHON_DONTCOMPILE=1
27} 35}
36
37python_enable_pyc() {
38 unset PYTHON_DONTCOMPILE
39}
40
41python_disable_pyc
28 42
29# 43#
30# name: python_version 44# name: python_version
31# desc: run without arguments and it will export the version of python 45# desc: run without arguments and it will export the version of python
32# currently in use as $PYVER 46# currently in use as $PYVER
67 fi 81 fi
68} 82}
69 83
70# 84#
71# name: python_mod_exists 85# name: python_mod_exists
72# desc: run with the module name as an argument. it will check if a 86# desc: run with the module name as an argument. it will check if a
73# python module is installed and loadable. it will return 87# python module is installed and loadable. it will return
74# TRUE(0) if the module exists, and FALSE(1) if the module does 88# TRUE(0) if the module exists, and FALSE(1) if the module does
75# not exist. 89# not exist.
76# exam: 90# exam:
77# if python_mod_exists gtk; then 91# if python_mod_exists gtk; then
78# echo "gtk support enabled 92# echo "gtk support enabled
79# fi 93# fi
80# 94#
81python_mod_exists() { 95python_mod_exists() {
91# should only be run in pkg_postinst() 105# should only be run in pkg_postinst()
92# exam: 106# exam:
93# python_mod_compile ${ROOT}usr/lib/python2.3/site-packages/pygoogle.py 107# python_mod_compile ${ROOT}usr/lib/python2.3/site-packages/pygoogle.py
94# 108#
95python_mod_compile() { 109python_mod_compile() {
110 # allow compiling for older python versions
111 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
112 PYVER=${PYTHON_OVERRIDE_PYVER}
113 else
114 python_version
115 fi
116
96 if [ -f "$1" ]; then 117 if [ -f "$1" ]; then
97 python -c "import py_compile; py_compile.compile('${1}')" || \ 118 python${PYVER} -c "import py_compile; py_compile.compile('${1}')" || \
98 ewarn "Failed to compile ${1}" 119 ewarn "Failed to compile ${1}"
99 python -O -c "import py_compile; py_compile.compile('${1}')" || \ 120 python${PYVER} -O -c "import py_compile; py_compile.compile('${1}')" || \
100 ewarn "Failed to compile ${1}" 121 ewarn "Failed to compile ${1}"
101 else 122 else
102 ewarn "Unable to find ${1}" 123 ewarn "Unable to find ${1}"
103 fi 124 fi
104} 125}
105 126
106# 127#
107# name: python_mod_optimize 128# name: python_mod_optimize
108# desc: if no arguments supplied, it will recompile all modules under 129# desc: if no arguments supplied, it will recompile all modules under
109# sys.path (eg. /usr/lib/python2.3, /usr/lib/python2.3/site-packages/ ..) 130# sys.path (eg. /usr/lib/python2.3, /usr/lib/python2.3/site-packages/ ..)
110# no recursively 131# no recursively
111# 132#
112# if supplied with arguments, it will recompile all modules recursively 133# if supplied with arguments, it will recompile all modules recursively
113# in the supplied directory 134# in the supplied directory
114# exam: 135# exam:
115# python_mod_optimize ${ROOT}usr/share/codegen 136# python_mod_optimize ${ROOT}usr/share/codegen
116# 137#
117python_mod_optimize() { 138python_mod_optimize() {
118 einfo "Byte Compiling Python modules .." 139 # allow compiling for older python versions
140 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
141 PYVER=${PYTHON_OVERRIDE_PYVER}
142 else
119 python_version 143 python_version
120 echo ${PYVER} 144 fi
145
146 # set opts
147 if [ "${PYVER}" = "2.2" ]; then
148 compileopts=""
149 else
150 compileopts="-q"
151 fi
152
153 ebegin "Byte Compiling Python modules for ${PYVER} .."
121 python ${ROOT}usr/lib/python${PYVER}/compileall.py $@ 154 python${PYVER} ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@
155 python${PYVER} -O ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@
156 eend $?
122} 157}
123 158
124# 159#
125# name: python_mod_cleanup 160# name: python_mod_cleanup
126# desc: run with optional arguments, where arguments are directories of 161# desc: run with optional arguments, where arguments are directories of
127# python modules. if none given, it will look in /usr/lib/python[0-9].[0-9] 162# python modules. if none given, it will look in /usr/lib/python[0-9].[0-9]
128# 163#
129# it will recursively scan all compiled python modules in the directories 164# it will recursively scan all compiled python modules in the directories
130# and determine if they are orphaned (eg. their corresponding .py is missing.) 165# and determine if they are orphaned (eg. their corresponding .py is missing.)
131# if they are, then it will remove their corresponding .pyc and .pyo 166# if they are, then it will remove their corresponding .pyc and .pyo
132# 167#
133python_mod_cleanup() { 168python_mod_cleanup() {
134 local SEARCH_PATH 169 local SEARCH_PATH
135 170
171 if [ $# -gt 0 ]; then
136 for path in $@; do 172 for path in $@; do
137 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${dir}" 173 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${path#/}"
138 done 174 done
175 else
176 for path in ${ROOT}usr/lib/python*/site-packages; do
177 SEARCH_PATH="${SEARCH_PATH} ${path}"
178 done
179 fi
139 180
140 for path in ${ROOT}usr/lib/python*/site-packages; do
141 SEARCH_PATH="${SEARCH_PATH} ${path}"
142 done
143
144 for path in ${SEARCH_PATH}; do 181 for path in ${SEARCH_PATH}; do
145 einfo "Searching ${path} .." 182 einfo "Searching ${path} .."
146 for obj in $(find ${path} -name *.pyc); do 183 for obj in $(find ${path} -name *.pyc); do
147 src_py="$(echo $obj | sed 's:c$::')" 184 src_py="$(echo $obj | sed 's:c$::')"
148 if [ ! -f "${src_py}" ]; then 185 if [ ! -f "${src_py}" ]; then
149 einfo "Purging ${src_py}[co]" 186 einfo "Purging ${src_py}[co]"
150 rm -f ${src_py}[co] 187 rm -f ${src_py}[co]
151 fi 188 fi
152 done 189 done
153 done 190 done
154} 191}
155 192
156 193

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