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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 1.1 2003/10/08 14:07:38 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.
19 19
20inherit alternatives 20inherit alternatives
21 21
22ECLASS="python" 22ECLASS="python"
23INHERITED="$INHERITED $ECLASS" 23INHERITED="$INHERITED $ECLASS"
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#
33python_disable_pyc() {
34 export PYTHON_DONTCOMPILE=1
35}
36
37python_enable_pyc() {
38 unset PYTHON_DONTCOMPILE
39}
40
41python_disable_pyc
24 42
25# 43#
26# name: python_version 44# name: python_version
27# 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
28# currently in use as $PYVER 46# currently in use as $PYVER
63 fi 81 fi
64} 82}
65 83
66# 84#
67# name: python_mod_exists 85# name: python_mod_exists
68# 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
69# python module is installed and loadable. it will return 87# python module is installed and loadable. it will return
70# 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
71# not exist. 89# not exist.
72# exam: 90# exam:
73# if python_mod_exists gtk; then 91# if python_mod_exists gtk; then
74# echo "gtk support enabled 92# echo "gtk support enabled
75# fi 93# fi
76# 94#
77python_mod_exists() { 95python_mod_exists() {
87# should only be run in pkg_postinst() 105# should only be run in pkg_postinst()
88# exam: 106# exam:
89# python_mod_compile ${ROOT}usr/lib/python2.3/site-packages/pygoogle.py 107# python_mod_compile ${ROOT}usr/lib/python2.3/site-packages/pygoogle.py
90# 108#
91python_mod_compile() { 109python_mod_compile() {
110 # allow compiling for older python versions
111 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
112 PYVER=${PYTHON_OVERRIDE_PYVER}
113 else
114 python_version
115 fi
116
92 if [ -f "$1" ]; then 117 if [ -f "$1" ]; then
93 python -c "import py_compile; py_compile.compile('${1}')" || \ 118 python${PYVER} -c "import py_compile; py_compile.compile('${1}')" || \
94 ewarn "Failed to compile ${1}" 119 ewarn "Failed to compile ${1}"
95 python -O -c "import py_compile; py_compile.compile('${1}')" || \ 120 python${PYVER} -O -c "import py_compile; py_compile.compile('${1}')" || \
96 ewarn "Failed to compile ${1}" 121 ewarn "Failed to compile ${1}"
97 else 122 else
98 ewarn "Unable to find ${1}" 123 ewarn "Unable to find ${1}"
99 fi 124 fi
100} 125}
101 126
102# 127#
103# name: python_mod_optimize 128# name: python_mod_optimize
104# desc: if no arguments supplied, it will recompile all modules under 129# desc: if no arguments supplied, it will recompile all modules under
105# 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/ ..)
106# no recursively 131# no recursively
107# 132#
108# if supplied with arguments, it will recompile all modules recursively 133# if supplied with arguments, it will recompile all modules recursively
109# in the supplied directory 134# in the supplied directory
110# exam: 135# exam:
111# python_mod_optimize ${ROOT}usr/share/codegen 136# python_mod_optimize ${ROOT}usr/share/codegen
112# 137#
113python_mod_optimize() { 138python_mod_optimize() {
114 einfo "Byte Compiling Python modules .." 139 # allow compiling for older python versions
140 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
141 PYVER=${PYTHON_OVERRIDE_PYVER}
142 else
115 python_version 143 python_version
116 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} .."
117 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 $?
118} 157}
119 158
120# 159#
121# name: python_mod_cleanup 160# name: python_mod_cleanup
122# desc: run with optional arguments, where arguments are directories of 161# desc: run with optional arguments, where arguments are directories of
123# 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]
124# 163#
125# it will recursively scan all compiled python modules in the directories 164# it will recursively scan all compiled python modules in the directories
126# 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.)
127# 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
128# 167#
129python_mod_cleanup() { 168python_mod_cleanup() {
130 local SEARCH_PATH 169 local SEARCH_PATH
131 170
171 if [ $# -gt 0 ]; then
132 for path in $@; do 172 for path in $@; do
133 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${dir}" 173 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${path#/}"
134 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
135 180
136 for path in ${ROOT}usr/lib/python*/site-packages; do
137 SEARCH_PATH="${SEARCH_PATH} ${path}"
138 done
139
140 for path in ${SEARCH_PATH}; do 181 for path in ${SEARCH_PATH}; do
141 einfo "Searching ${path} .." 182 einfo "Searching ${path} .."
142 for obj in $(find ${path} -name *.pyc); do 183 for obj in $(find ${path} -name *.pyc); do
143 src_py="$(echo $obj | sed 's:c$::')" 184 src_py="$(echo $obj | sed 's:c$::')"
144 if [ ! -f "${src_py}" ]; then 185 if [ ! -f "${src_py}" ]; then
145 einfo "Purging ${src_py}[co]" 186 einfo "Purging ${src_py}[co]"
146 rm -f ${src_py}[co] 187 rm -f ${src_py}[co]
147 fi 188 fi
148 done 189 done
149 done 190 done
150} 191}
151 192
152 193

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