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1# Copyright 1999-2008 Gentoo Foundation 1# Copyright 1999-2008 Gentoo Foundation
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 1.44 2008/08/29 19:28:08 hawking Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.54 2008/10/30 05:21:46 zmedico Exp $
4 4
5# @ECLASS: python.eclass 5# @ECLASS: python.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# python@gentoo.org 7# python@gentoo.org
8# 8#
34 __python_version_extract 2.5b3 34 __python_version_extract 2.5b3
35 echo -n "2.5b3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR" 35 echo -n "2.5b3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
36 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO" 36 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
37} 37}
38 38
39# @FUNCTION: python_disable_pyc
40# @DESCRIPTION:
41# Tells python not to automatically recompile modules to .pyc/.pyo
42# even if the timestamps/version stamps don't match. This is done
43# to protect sandbox.
44#
45# note: supported by >=dev-lang/python-2.2.3-r3 only.
46#
47python_disable_pyc() {
48 export PYTHON_DONTCOMPILE=1
49}
50
51# @FUNCTION: python_enable_pyc
52# @DESCRIPTION:
53# Tells python to automatically recompile modules to .pyc/.pyo if the
54# timestamps/version stamps change
55python_enable_pyc() {
56 unset PYTHON_DONTCOMPILE
57}
58
59python_disable_pyc
60
61# @FUNCTION: python_version 39# @FUNCTION: python_version
62# @DESCRIPTION: 40# @DESCRIPTION:
63# Run without arguments and it will export the version of python 41# Run without arguments and it will export the version of python
64# currently in use as $PYVER; sets PYVER/PYVER_MAJOR/PYVER_MINOR 42# currently in use as $PYVER; sets PYVER/PYVER_MAJOR/PYVER_MINOR
65__python_version_extract() { 43__python_version_extract() {
66 verstr=$1 44 local verstr=$1
67 export PYVER_MAJOR=${verstr:0:1} 45 export PYVER_MAJOR=${verstr:0:1}
68 export PYVER_MINOR=${verstr:2:1} 46 export PYVER_MINOR=${verstr:2:1}
69 if [ "${verstr:3}x" = ".x" ]; then 47 if [[ ${verstr:3:1} == . ]]; then
70 export PYVER_MICRO=${verstr:4} 48 export PYVER_MICRO=${verstr:4}
71 fi 49 fi
72 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}" 50 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
73} 51}
74 52
77 local tmpstr 55 local tmpstr
78 python=${python:-/usr/bin/python} 56 python=${python:-/usr/bin/python}
79 tmpstr="$(${python} -V 2>&1 )" 57 tmpstr="$(${python} -V 2>&1 )"
80 export PYVER_ALL="${tmpstr#Python }" 58 export PYVER_ALL="${tmpstr#Python }"
81 __python_version_extract $PYVER_ALL 59 __python_version_extract $PYVER_ALL
60}
61
62# @FUNCTION: python_disable_pyc
63# @DESCRIPTION:
64# Tells python not to automatically recompile modules to .pyc/.pyo
65# even if the timestamps/version stamps don't match. This is done
66# to protect sandbox.
67#
68# note: supported by >=dev-lang/python-2.2.3-r3 only.
69#
70python_disable_pyc() {
71 export PYTHONDONTWRITEBYTECODE=1 # For 2.6 and above
72 export PYTHON_DONTCOMPILE=1 # For 2.5 and below
73}
74
75# @FUNCTION: python_enable_pyc
76# @DESCRIPTION:
77# Tells python to automatically recompile modules to .pyc/.pyo if the
78# timestamps/version stamps change
79python_enable_pyc() {
80 unset PYTHONDONTWRITEBYTECODE
81 unset PYTHON_DONTCOMPILE
82}
83
84python_disable_pyc
85
86# @FUNCTION: python_need_rebuild
87# @DESCRIPTION: Run without arguments, specifies that the package should be
88# rebuilt after a python upgrade.
89python_need_rebuild() {
90 python_version
91 export PYTHON_NEED_REBUILD=${PYVER}
82} 92}
83 93
84# @FUNCTION: python_get_libdir 94# @FUNCTION: python_get_libdir
85# @DESCRIPTION: 95# @DESCRIPTION:
86# Run without arguments, returns the python library dir 96# Run without arguments, returns the python library dir
130# Example: 140# Example:
131# if python_mod_exists gtk; then 141# if python_mod_exists gtk; then
132# echo "gtk support enabled" 142# echo "gtk support enabled"
133# fi 143# fi
134python_mod_exists() { 144python_mod_exists() {
135 [ -z "$1" ] && die "${FUNCTION} requires an argument!" 145 [[ "$1" ]] || die "${FUNCNAME} requires an argument!"
136 if ! python -c "import $1" >/dev/null 2>&1; then 146 python -c "import $1" >/dev/null 2>&1
137 return 1
138 fi
139 return 0
140} 147}
141 148
142# @FUNCTION: python_mod_compile 149# @FUNCTION: python_mod_compile
143# @USAGE: < file > [more files ...] 150# @USAGE: < file > [more files ...]
144# @DESCRIPTION: 151# @DESCRIPTION:
147# 154#
148# Example: 155# Example:
149# python_mod_compile /usr/lib/python2.3/site-packages/pygoogle.py 156# python_mod_compile /usr/lib/python2.3/site-packages/pygoogle.py
150# 157#
151python_mod_compile() { 158python_mod_compile() {
152 local f myroot 159 local f myroot myfiles=()
153 160
154 # Check if phase is pkg_postinst() 161 # Check if phase is pkg_postinst()
155 [[ ${EBUILD_PHASE} != postinst ]] &&\ 162 [[ ${EBUILD_PHASE} != postinst ]] &&\
156 die "${FUNCNAME} should only be run in pkg_postinst()" 163 die "${FUNCNAME} should only be run in pkg_postinst()"
157 164
158 # allow compiling for older python versions 165 # allow compiling for older python versions
159 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then 166 if [[ "${PYTHON_OVERRIDE_PYVER}" ]]; then
160 PYVER=${PYTHON_OVERRIDE_PYVER} 167 PYVER=${PYTHON_OVERRIDE_PYVER}
161 else 168 else
162 python_version 169 python_version
163 fi 170 fi
164 171
165 # strip trailing slash 172 # strip trailing slash
166 myroot="${ROOT%/}" 173 myroot="${ROOT%/}"
167 174
168 # respect ROOT 175 # respect ROOT
169 for f in $@; do 176 for f in "$@"; do
170 [ -f "${myroot}/${f}" ] && myfiles="${myfiles} ${myroot}/${f}" 177 [[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}")
171 done 178 done
172 179
173 if [ -n "${myfiles}" ]; then 180 if ((${#myfiles[@]})); then
174 python${PYVER} ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py ${myfiles} 181 python${PYVER} ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}"
175 python${PYVER} -O ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py ${myfiles} 182 python${PYVER} -O ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}"
176 else 183 else
177 ewarn "No files to compile!" 184 ewarn "No files to compile!"
178 fi 185 fi
179} 186}
180 187
192# Options passed to this function are passed to compileall.py 199# Options passed to this function are passed to compileall.py
193# 200#
194# Example: 201# Example:
195# python_mod_optimize /usr/share/codegen 202# python_mod_optimize /usr/share/codegen
196python_mod_optimize() { 203python_mod_optimize() {
197 local mydirs myfiles myroot myopts 204 local myroot mydirs=() myfiles=() myopts=()
198 205
199 # Check if phase is pkg_postinst() 206 # Check if phase is pkg_postinst()
200 [[ ${EBUILD_PHASE} != postinst ]] &&\ 207 [[ ${EBUILD_PHASE} != postinst ]] &&\
201 die "${FUNCNAME} should only be run in pkg_postinst()" 208 die "${FUNCNAME} should only be run in pkg_postinst()"
202 209
203 # strip trailing slash 210 # strip trailing slash
204 myroot="${ROOT%/}" 211 myroot="${ROOT%/}"
205 212
206 # respect ROOT and options passed to compileall.py 213 # respect ROOT and options passed to compileall.py
207 while [ $# -gt 0 ]; do 214 while (($#)); do
208 case $1 in 215 case $1 in
209 -l|-f|-q) 216 -l|-f|-q)
210 myopts="${myopts} $1" 217 myopts+=("$1")
211 ;; 218 ;;
212 -d|-x) 219 -d|-x)
213 myopts="${myopts} $1 $2" 220 myopts+=("$1" "$2")
214 shift 221 shift
215 ;; 222 ;;
216 -*) 223 -*)
217 ewarn "${FUNCNAME}: Ignoring compile option $1" 224 ewarn "${FUNCNAME}: Ignoring compile option $1"
218 ;; 225 ;;
219 *) 226 *)
220 [ ! -e "${myroot}/${1}" ] && ewarn "${myroot}/${1} doesn't exist!" 227 if [[ -d "${myroot}"/$1 ]]; then
221 [ -d "${myroot}/${1#/}" ] && mydirs="${mydirs} ${myroot}/${1#/}" 228 mydirs+=("${myroot}/$1")
229 elif [[ -f "${myroot}"/$1 ]]; then
222 # Files are passed to python_mod_compile which is ROOT-aware 230 # Files are passed to python_mod_compile which is ROOT-aware
223 [ -f "${myroot}/${1}" ] && myfiles="${myfiles} ${1}" 231 myfiles+=("$1")
232 elif [[ -e "${myroot}/$1" ]]; then
233 ewarn "${myroot}/$1 is not a file or directory!"
234 else
235 ewarn "${myroot}/$1 doesn't exist!"
236 fi
224 ;; 237 ;;
225 esac 238 esac
226 shift 239 shift
227 done 240 done
228 241
232 else 245 else
233 python_version 246 python_version
234 fi 247 fi
235 248
236 # set additional opts 249 # set additional opts
237 myopts="${myopts} -q" 250 myopts+=(-q)
238 251
239 ebegin "Byte compiling python modules for python-${PYVER} .." 252 ebegin "Byte compiling python modules for python-${PYVER} .."
240 if [ -n "${mydirs}" ]; then 253 if ((${#mydirs[@]})); then
241 python${PYVER} \ 254 python${PYVER} \
242 ${myroot}/usr/$(get_libdir)/python${PYVER}/compileall.py \ 255 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
243 ${myopts} ${mydirs} 256 "${myopts[@]}" "${mydirs[@]}"
244 python${PYVER} -O \ 257 python${PYVER} -O \
245 ${myroot}/usr/$(get_libdir)/python${PYVER}/compileall.py \ 258 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
246 ${myopts} ${mydirs} 259 "${myopts[@]}" "${mydirs[@]}"
247 fi 260 fi
248 261
249 if [ -n "${myfiles}" ]; then 262 if ((${#myfiles[@]})); then
250 python_mod_compile ${myfiles} 263 python_mod_compile "${myfiles[@]}"
251 fi 264 fi
252 265
253 eend $? 266 eend $?
254} 267}
255 268
263# and determine if they are orphaned (eg. their corresponding .py is missing.) 276# and determine if they are orphaned (eg. their corresponding .py is missing.)
264# if they are, then it will remove their corresponding .pyc and .pyo 277# if they are, then it will remove their corresponding .pyc and .pyo
265# 278#
266# This function should only be run in pkg_postrm() 279# This function should only be run in pkg_postrm()
267python_mod_cleanup() { 280python_mod_cleanup() {
268 local SEARCH_PATH myroot 281 local SEARCH_PATH=() myroot src_py
269 282
270 # Check if phase is pkg_postrm() 283 # Check if phase is pkg_postrm()
271 [[ ${EBUILD_PHASE} != postrm ]] &&\ 284 [[ ${EBUILD_PHASE} != postrm ]] &&\
272 die "${FUNCNAME} should only be run in pkg_postrm()" 285 die "${FUNCNAME} should only be run in pkg_postrm()"
273 286
274 # strip trailing slash 287 # strip trailing slash
275 myroot="${ROOT%/}" 288 myroot="${ROOT%/}"
276 289
277 if [ $# -gt 0 ]; then 290 if (($#)); then
278 for path in $@; do 291 SEARCH_PATH=("${@#/}")
279 SEARCH_PATH="${SEARCH_PATH} ${myroot}/${path#/}" 292 SEARCH_PATH=("${SEARCH_PATH[@]/#/$myroot/}")
293 else
294 SEARCH_PATH=("${myroot}"/usr/lib*/python*/site-packages)
295 fi
296
297 for path in "${SEARCH_PATH[@]}"; do
298 einfo "Cleaning orphaned Python bytecode from ${path} .."
299 find "${path}" -name '*.py[co]' -print0 | while read -rd ''; do
300 src_py="${REPLY%[co]}"
301 [[ -f "${src_py}" ]] && continue
302 einfo "Purging ${src_py}[co]"
303 rm -f "${src_py}"[co]
280 done 304 done
281 else
282 for path in ${myroot}/usr/lib*/python*/site-packages; do
283 SEARCH_PATH="${SEARCH_PATH} ${path}"
284 done
285 fi
286 305
287 for path in ${SEARCH_PATH}; do
288 einfo "Cleaning orphaned Python bytecode from ${path} .."
289 for obj in $(find ${path} -name '*.py[co]'); do
290 src_py="${obj%[co]}"
291 if [ ! -f "${src_py}" ]; then
292 einfo "Purging ${src_py}[co]"
293 rm -f ${src_py}[co]
294 fi
295 done
296 # attempt to remove directories that maybe empty 306 # attempt to remove directories that maybe empty
297 for dir in $(find ${path} -type d | sort -r); do 307 find "${path}" -type d | sort -r | while read -r dir; do
298 rmdir ${dir} 2>/dev/null 308 rmdir "${dir}" 2>/dev/null
299 done 309 done
300 done 310 done
301} 311}

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