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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 1.49 2008/10/26 17:46:31 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#
66# to protect sandbox. 66# to protect sandbox.
67# 67#
68# note: supported by >=dev-lang/python-2.2.3-r3 only. 68# note: supported by >=dev-lang/python-2.2.3-r3 only.
69# 69#
70python_disable_pyc() { 70python_disable_pyc() {
71 python_version
72 if [[ ${PYVER/./,} -ge 2,6 ]]; then
73 export PYTHONDONTWRITEBYTECODE=1 71 export PYTHONDONTWRITEBYTECODE=1 # For 2.6 and above
74 else 72 export PYTHON_DONTCOMPILE=1 # For 2.5 and below
75 export PYTHON_DONTCOMPILE=1
76 fi
77} 73}
78 74
79# @FUNCTION: python_enable_pyc 75# @FUNCTION: python_enable_pyc
80# @DESCRIPTION: 76# @DESCRIPTION:
81# Tells python to automatically recompile modules to .pyc/.pyo if the 77# Tells python to automatically recompile modules to .pyc/.pyo if the
82# timestamps/version stamps change 78# timestamps/version stamps change
83python_enable_pyc() { 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() {
84 python_version 90 python_version
85 if [[ ${PYVER/./,} -ge 2,6 ]]; then 91 export PYTHON_NEED_REBUILD=${PYVER}
86 unset PYTHONDONTWRITEBYTECODE
87 else
88 unset PYTHON_DONTCOMPILE
89 fi
90} 92}
91
92python_disable_pyc
93 93
94# @FUNCTION: python_get_libdir 94# @FUNCTION: python_get_libdir
95# @DESCRIPTION: 95# @DESCRIPTION:
96# Run without arguments, returns the python library dir 96# Run without arguments, returns the python library dir
97python_get_libdir() { 97python_get_libdir() {
140# Example: 140# Example:
141# if python_mod_exists gtk; then 141# if python_mod_exists gtk; then
142# echo "gtk support enabled" 142# echo "gtk support enabled"
143# fi 143# fi
144python_mod_exists() { 144python_mod_exists() {
145 [[ "$1" ]] && die "${FUNCNAME} requires an argument!" 145 [[ "$1" ]] || die "${FUNCNAME} requires an argument!"
146 python -c "import $1" >/dev/null 2>&1 146 python -c "import $1" >/dev/null 2>&1
147} 147}
148 148
149# @FUNCTION: python_mod_compile 149# @FUNCTION: python_mod_compile
150# @USAGE: < file > [more files ...] 150# @USAGE: < file > [more files ...]
171 171
172 # strip trailing slash 172 # strip trailing slash
173 myroot="${ROOT%/}" 173 myroot="${ROOT%/}"
174 174
175 # respect ROOT 175 # respect ROOT
176 for f in $@; do 176 for f in "$@"; do
177 [[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}") 177 [[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}")
178 done 178 done
179 179
180 if ((${#myfiles[@]})); then 180 if ((${#myfiles[@]})); then
181 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[@]}"
276# 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.)
277# 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
278# 278#
279# This function should only be run in pkg_postrm() 279# This function should only be run in pkg_postrm()
280python_mod_cleanup() { 280python_mod_cleanup() {
281 local SEARCH_PATH myroot 281 local SEARCH_PATH=() myroot src_py
282 282
283 # Check if phase is pkg_postrm() 283 # Check if phase is pkg_postrm()
284 [[ ${EBUILD_PHASE} != postrm ]] &&\ 284 [[ ${EBUILD_PHASE} != postrm ]] &&\
285 die "${FUNCNAME} should only be run in pkg_postrm()" 285 die "${FUNCNAME} should only be run in pkg_postrm()"
286 286
287 # strip trailing slash 287 # strip trailing slash
288 myroot="${ROOT%/}" 288 myroot="${ROOT%/}"
289 289
290 if [ $# -gt 0 ]; then 290 if (($#)); then
291 for path in $@; do 291 SEARCH_PATH=("${@#/}")
292 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]
293 done 304 done
294 else
295 for path in ${myroot}/usr/lib*/python*/site-packages; do
296 SEARCH_PATH="${SEARCH_PATH} ${path}"
297 done
298 fi
299 305
300 for path in ${SEARCH_PATH}; do
301 einfo "Cleaning orphaned Python bytecode from ${path} .."
302 for obj in $(find ${path} -name '*.py[co]'); do
303 src_py="${obj%[co]}"
304 if [ ! -f "${src_py}" ]; then
305 einfo "Purging ${src_py}[co]"
306 rm -f ${src_py}[co]
307 fi
308 done
309 # attempt to remove directories that maybe empty 306 # attempt to remove directories that maybe empty
310 for dir in $(find ${path} -type d | sort -r); do 307 find "${path}" -type d | sort -r | while read -r dir; do
311 rmdir ${dir} 2>/dev/null 308 rmdir "${dir}" 2>/dev/null
312 done 309 done
313 done 310 done
314} 311}

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