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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 1.6 2003/10/23 23:15:57 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.
15# python_mod_optimize() - Generates .pyc/.pyo precompiled scripts 15# python_mod_optimize() - Generates .pyc/.pyo precompiled scripts
16# python_mod_cleanup() - Goes through /usr/lib/python* to remove 16# python_mod_cleanup() - Goes through /usr/lib/python* to remove
17# orphaned *.pyc *.pyo 17# orphaned *.pyc *.pyo
18# python_makesym() - Makes /usr/bin/python symlinks 18# python_makesym() - Makes /usr/bin/python symlinks
19 19
20inherit alternatives virtualx 20inherit alternatives
21 21
22ECLASS="python" 22ECLASS="python"
23INHERITED="$INHERITED $ECLASS" 23INHERITED="$INHERITED $ECLASS"
24 24
25# 25#
81 fi 81 fi
82} 82}
83 83
84# 84#
85# name: python_mod_exists 85# name: python_mod_exists
86# 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
87# python module is installed and loadable. it will return 87# python module is installed and loadable. it will return
88# 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
89# not exist. 89# not exist.
90#
91# note: we use virtualmake from virtualx.eclass to get around
92# when people build without X available. some packages like
93# pygtk need X avaiable when being imported.
94#
95# exam: 90# exam:
96# if python_mod_exists gtk; then 91# if python_mod_exists gtk; then
97# echo "gtk support enabled 92# echo "gtk support enabled
98# fi 93# fi
99# 94#
100python_mod_exists() { 95python_mod_exists() {
101 export maketype="python"
102 if ! virtualmake -c "import $1" >/dev/null 2>&1; then 96 if ! python -c "import $1" >/dev/null 2>&1; then
103 return 1 97 return 1
104 fi 98 fi
105 return 0 99 return 0
106} 100}
107 101
114# 108#
115python_mod_compile() { 109python_mod_compile() {
116 # allow compiling for older python versions 110 # allow compiling for older python versions
117 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then 111 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
118 PYVER=${PYTHON_OVERRIDE_PYVER} 112 PYVER=${PYTHON_OVERRIDE_PYVER}
119 else 113 else
120 python_version 114 python_version
121 fi 115 fi
122 116
123 if [ -f "$1" ]; then 117 if [ -f "$1" ]; then
124 python${PYVER} -c "import py_compile; py_compile.compile('${1}')" || \ 118 python${PYVER} -c "import py_compile; py_compile.compile('${1}')" || \
125 ewarn "Failed to compile ${1}" 119 ewarn "Failed to compile ${1}"
126 python${PYVER} -O -c "import py_compile; py_compile.compile('${1}')" || \ 120 python${PYVER} -O -c "import py_compile; py_compile.compile('${1}')" || \
127 ewarn "Failed to compile ${1}" 121 ewarn "Failed to compile ${1}"
128 else 122 else
129 ewarn "Unable to find ${1}" 123 ewarn "Unable to find ${1}"
130 fi 124 fi
131} 125}
132 126
133# 127#
134# name: python_mod_optimize 128# name: python_mod_optimize
135# desc: if no arguments supplied, it will recompile all modules under 129# desc: if no arguments supplied, it will recompile all modules under
136# 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/ ..)
137# no recursively 131# no recursively
138# 132#
139# if supplied with arguments, it will recompile all modules recursively 133# if supplied with arguments, it will recompile all modules recursively
140# in the supplied directory 134# in the supplied directory
141# exam: 135# exam:
142# python_mod_optimize ${ROOT}usr/share/codegen 136# python_mod_optimize ${ROOT}usr/share/codegen
143# 137#
144python_mod_optimize() { 138python_mod_optimize() {
145 # allow compiling for older python versions 139 # allow compiling for older python versions
146 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then 140 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
147 PYVER=${PYTHON_OVERRIDE_PYVER} 141 PYVER=${PYTHON_OVERRIDE_PYVER}
148 else 142 else
149 python_version 143 python_version
150 fi 144 fi
151 145
152 # set opts 146 # set opts
153 if [ "${PYVER}" = "2.2" ]; then 147 if [ "${PYVER}" = "2.2" ]; then
154 compileopts="" 148 compileopts=""
155 else 149 else
156 compileopts="-q" 150 compileopts="-q"
157 fi 151 fi
158 152
159 ebegin "Byte Compiling Python modules for ${PYVER} .." 153 ebegin "Byte Compiling Python modules for ${PYVER} .."
160 python${PYVER} ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@ 154 python${PYVER} ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@
161 python${PYVER} -O ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@ 155 python${PYVER} -O ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@
162 eend $? 156 eend $?
163} 157}
164 158
165# 159#
166# name: python_mod_cleanup 160# name: python_mod_cleanup
167# desc: run with optional arguments, where arguments are directories of 161# desc: run with optional arguments, where arguments are directories of
168# 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]
169# 163#
170# it will recursively scan all compiled python modules in the directories 164# it will recursively scan all compiled python modules in the directories
171# 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.)
172# 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
173# 167#
174python_mod_cleanup() { 168python_mod_cleanup() {
175 local SEARCH_PATH 169 local SEARCH_PATH
176 170
177 if [ $# -gt 0 ]; then 171 if [ $# -gt 0 ]; then
178 for path in $@; do 172 for path in $@; do
179 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${path#/}" 173 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${path#/}"
180 done 174 done
181 else 175 else
182 for path in ${ROOT}usr/lib/python*/site-packages; do 176 for path in ${ROOT}usr/lib/python*/site-packages; do
183 SEARCH_PATH="${SEARCH_PATH} ${path}" 177 SEARCH_PATH="${SEARCH_PATH} ${path}"
184 done 178 done
185 fi 179 fi
186 180
187 for path in ${SEARCH_PATH}; do 181 for path in ${SEARCH_PATH}; do
188 einfo "Searching ${path} .." 182 einfo "Searching ${path} .."
189 for obj in $(find ${path} -name *.pyc | sort -r); do 183 for obj in $(find ${path} -name *.pyc); do
190 src_py="$(echo $obj | sed 's:c$::')" 184 src_py="$(echo $obj | sed 's:c$::')"
191 if [ ! -f "${src_py}" ]; then 185 if [ ! -f "${src_py}" ]; then
192 einfo "Purging ${src_py}[co]" 186 einfo "Purging ${src_py}[co]"
193 rm -f ${src_py}[co] 187 rm -f ${src_py}[co]
194 # clean up directory if it is empty
195 current_dir="`dirname ${obj}`"
196 if [ `ls -1 --color=none $current_dir | wc -l 2> /dev/null` -lt 1 ]; then
197 rmdir -f ${current_dir}
198 fi
199 fi 188 fi
200 done 189 done
201 done 190 done
202} 191}
203 192
204 193

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