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Revision 1.1.1.1 Revision 1.7
1# Copyright 1999-2004 Gentoo Foundation 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 1.1.1.1 2005/11/30 09:59:24 chriswhite 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.
11# python_version() - sets PYVER/PYVER_MAJOR/PYVER_MINOR 11# python_version() - sets PYVER/PYVER_MAJOR/PYVER_MINOR
12# python_tkinter_exists() - Checks for tkinter support in python 12# python_tkinter_exists() - Checks for tkinter support in python
13# python_mod_exists() - Checks if a python module exists 13# python_mod_exists() - Checks if a python module exists
14# python_mod_compile() - Compiles a .py file to a .pyc/.pyo 14# python_mod_compile() - Compiles a .py file to a .pyc/.pyo
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 20inherit alternatives
21 21
22 22ECLASS="python"
23 23INHERITED="$INHERITED $ECLASS"
24__python_eclass_test() {
25 __python_version_extract 2.3
26 echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
27 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
28 __python_version_extract 2.3.4
29 echo -n "2.3.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
30 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
31 __python_version_extract 2.3.5
32 echo -n "2.3.5 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
33 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
34 __python_version_extract 2.4
35 echo -n "2.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
36 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
37}
38 24
39# 25#
40# name: python_disable/enable_pyc 26# name: python_disable/enable_pyc
41# desc: tells python not to automatically recompile modules to .pyc/.pyo 27# desc: tells python not to automatically recompile modules to .pyc/.pyo
42# even if the timestamps/version stamps don't match. this is 28# even if the timestamps/version stamps don't match. this is
57# 43#
58# name: python_version 44# name: python_version
59# 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
60# currently in use as $PYVER 46# currently in use as $PYVER
61# 47#
62
63__python_version_extract() {
64 verstr=$1
65 export PYVER_MAJOR=${verstr:0:1}
66 export PYVER_MINOR=${verstr:2:1}
67 export PYVER_MICRO=${verstr:4}
68 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
69}
70
71python_version() { 48python_version() {
72 local tmpstr 49 local tmpstr
73 python=${python:-/usr/bin/python} 50 python=${python:-/usr/bin/python}
74 tmpstr="$(${python} -V 2>&1 )" 51 tmpstr="$(${python} -V 2>&1 )"
75 export PYVER_ALL="${tmpstr#Python }" 52 export PYVER_ALL="${tmpstr#Python }"
76 __python_version_extract $PYVER_ALL 53
54 export PYVER_MAJOR=$(echo ${PYVER_ALL} | cut -d. -f1)
55 export PYVER_MINOR=$(echo ${PYVER_ALL} | cut -d. -f2)
56 export PYVER_MICRO=$(echo ${PYVER_ALL} | cut -d. -f3-)
57 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
77} 58}
78 59
79# 60#
80# name: python_makesym 61# name: python_makesym
81# desc: run without arguments, it will create the /usr/bin/python symlinks 62# desc: run without arguments, it will create the /usr/bin/python symlinks
82# to the latest installed version 63# to the latest installed version
83# 64#
84python_makesym() { 65python_makesym() {
85 alternatives_auto_makesym "/usr/bin/python" "python[0-9].[0-9]" 66 alternatives_auto_makesym "/usr/bin/python" "/usr/bin/python[0-9].[0-9]"
86 alternatives_auto_makesym "/usr/bin/python2" "python2.[0-9]" 67 alternatives_auto_makesym "/usr/bin/python2" "/usr/bin/python[0-9].[0-9]"
87} 68}
88 69
89# 70#
90# name: python_tkinter_exists 71# name: python_tkinter_exists
91# desc: run without arguments, checks if python was compiled with Tkinter 72# desc: run without arguments, it will return TRUE(0) if python is compiled
92# support. If not, prints an error message and dies. 73# with tkinter or FALSE(1) if python is compiled without tkinter.
93# 74#
94python_tkinter_exists() { 75python_tkinter_exists() {
95 if ! python -c "import Tkinter" >/dev/null 2>&1; then 76 if ! python -c "import Tkinter" >/dev/null 2>&1; then
96 eerror "You need to recompile python with Tkinter support." 77 eerror "You need to recompile python with Tkinter support."
97 eerror "That means: USE='tcltk' emerge python" 78 eerror "That means: USE='tcltk' emerge python"
110# if python_mod_exists gtk; then 91# if python_mod_exists gtk; then
111# echo "gtk support enabled 92# echo "gtk support enabled
112# fi 93# fi
113# 94#
114python_mod_exists() { 95python_mod_exists() {
115 [ -z "$1" ] && die "${FUNCTION} requires an argument!"
116 if ! python -c "import $1" >/dev/null 2>&1; then 96 if ! python -c "import $1" >/dev/null 2>&1; then
117 return 1 97 return 1
118 fi 98 fi
119 return 0 99 return 0
120} 100}
154# in the supplied directory 134# in the supplied directory
155# exam: 135# exam:
156# python_mod_optimize ${ROOT}usr/share/codegen 136# python_mod_optimize ${ROOT}usr/share/codegen
157# 137#
158python_mod_optimize() { 138python_mod_optimize() {
159 local myroot
160 # strip trailing slash
161 myroot="${ROOT%/}"
162
163 # allow compiling for older python versions 139 # allow compiling for older python versions
164 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then 140 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
165 PYVER=${PYTHON_OVERRIDE_PYVER} 141 PYVER=${PYTHON_OVERRIDE_PYVER}
166 else 142 else
167 python_version 143 python_version
172 compileopts="" 148 compileopts=""
173 else 149 else
174 compileopts="-q" 150 compileopts="-q"
175 fi 151 fi
176 152
177 ebegin "Byte compiling python modules for python-${PYVER} .." 153 ebegin "Byte Compiling Python modules for ${PYVER} .."
178 python${PYVER} ${myroot}/usr/lib/python${PYVER}/compileall.py ${compileopts} $@ 154 python${PYVER} ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@
179 python${PYVER} -O ${myroot}/usr/lib/python${PYVER}/compileall.py ${compileopts} $@ 155 python${PYVER} -O ${ROOT}usr/lib/python${PYVER}/compileall.py ${compileopts} $@
180 eend $? 156 eend $?
181} 157}
182 158
183# 159#
184# name: python_mod_cleanup 160# name: python_mod_cleanup
188# it will recursively scan all compiled python modules in the directories 164# it will recursively scan all compiled python modules in the directories
189# and determine if they are orphaned (eg. their corresponding .py is missing.) 165# and determine if they are orphaned (eg. their corresponding .py is missing.)
190# if they are, then it will remove their corresponding .pyc and .pyo 166# if they are, then it will remove their corresponding .pyc and .pyo
191# 167#
192python_mod_cleanup() { 168python_mod_cleanup() {
193 local SEARCH_PATH myroot 169 local SEARCH_PATH
194
195 # strip trailing slash
196 myroot="${ROOT%/}"
197 170
198 if [ $# -gt 0 ]; then 171 if [ $# -gt 0 ]; then
199 for path in $@; do 172 for path in $@; do
200 SEARCH_PATH="${SEARCH_PATH} ${myroot}/${path#/}" 173 SEARCH_PATH="${SEARCH_PATH} ${ROOT}${path#/}"
201 done 174 done
202 else 175 else
203 for path in ${myroot}/usr/lib*/python*/site-packages; do 176 for path in ${ROOT}usr/lib/python*/site-packages; do
204 SEARCH_PATH="${SEARCH_PATH} ${path}" 177 SEARCH_PATH="${SEARCH_PATH} ${path}"
205 done 178 done
206 fi 179 fi
207 180
208 for path in ${SEARCH_PATH}; do 181 for path in ${SEARCH_PATH}; do
209 einfo "Cleaning orphaned Python bytecode from ${path} .." 182 einfo "Searching ${path} .."
210 for obj in $(find ${path} -name *.pyc); do 183 for obj in $(find ${path} -name *.pyc); do
211 src_py="${obj%c}" 184 src_py="$(echo $obj | sed 's:c$::')"
212 if [ ! -f "${src_py}" ]; then 185 if [ ! -f "${src_py}" ]; then
213 einfo "Purging ${src_py}[co]" 186 einfo "Purging ${src_py}[co]"
214 rm -f ${src_py}[co] 187 rm -f ${src_py}[co]
215 fi 188 fi
216 done 189 done
217 # attempt to remove directories that maybe empty
218 for dir in $(find ${path} -type d | sort -r); do
219 rmdir ${dir} 2>/dev/null
220 done
221 done 190 done
222} 191}
192
193

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