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Revision 1.24 Revision 1.76
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2009 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 1.24 2006/06/10 16:19:54 swegener Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.76 2009/10/02 23:09:08 arfrever Exp $
4# 4
5# Author: Alastair Tse <liquidx@gentoo.org> 5# @ECLASS: python.eclass
6# 6# @MAINTAINER:
7# python@gentoo.org
7# A Utility Eclass that should be inherited by anything that deals with 8# @BLURB: A utility eclass that should be inherited by anything that deals with Python or Python modules.
8# Python or Python modules. 9# @DESCRIPTION:
9# 10# Some useful functions for dealing with Python.
10# - Features:
11# python_version() - sets PYVER/PYVER_MAJOR/PYVER_MINOR
12# python_tkinter_exists() - Checks for tkinter support in python
13# python_mod_exists() - Checks if a python module exists
14# python_mod_compile() - Compiles a .py file to a .pyc/.pyo
15# python_mod_optimize() - Generates .pyc/.pyo precompiled scripts
16# python_mod_cleanup() - Goes through /usr/lib*/python* to remove
17# orphaned *.pyc *.pyo
18# python_makesym() - Makes /usr/bin/python symlinks
19 11
20inherit alternatives 12inherit multilib
21
22 13
23if [[ -n "${NEED_PYTHON}" ]] ; then 14if [[ -n "${NEED_PYTHON}" ]] ; then
24 DEPEND=">=dev-lang/python-${NEED_PYTHON}" 15 PYTHON_ATOM=">=dev-lang/python-${NEED_PYTHON}"
16 DEPEND="${PYTHON_ATOM}"
25 RDEPEND="${DEPEND}" 17 RDEPEND="${DEPEND}"
18else
19 PYTHON_ATOM="dev-lang/python"
26fi 20fi
21
22DEPEND+=" >=app-admin/eselect-python-20090804
23 >=app-shells/bash-3.2"
27 24
28__python_eclass_test() { 25__python_eclass_test() {
29 __python_version_extract 2.3 26 __python_version_extract 2.3
30 echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR" 27 echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
31 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO" 28 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
36 echo -n "2.3.5 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR" 33 echo -n "2.3.5 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
37 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO" 34 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
38 __python_version_extract 2.4 35 __python_version_extract 2.4
39 echo -n "2.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR" 36 echo -n "2.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
40 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO" 37 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
38 __python_version_extract 2.5b3
39 echo -n "2.5b3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
40 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
41} 41}
42 42
43# 43# @FUNCTION: python_version
44# name: python_disable/enable_pyc 44# @DESCRIPTION:
45# desc: tells python not to automatically recompile modules to .pyc/.pyo
46# even if the timestamps/version stamps don't match. this is
47# done to protect sandbox.
48#
49# note: supported by >=dev-lang/python-2.2.3-r3 only.
50#
51python_disable_pyc() {
52 export PYTHON_DONTCOMPILE=1
53}
54
55python_enable_pyc() {
56 unset PYTHON_DONTCOMPILE
57}
58
59python_disable_pyc
60
61#
62# name: python_version
63# desc: run without arguments and it will export the version of python 45# Run without arguments and it will export the version of python
64# currently in use as $PYVER 46# currently in use as $PYVER; sets PYVER/PYVER_MAJOR/PYVER_MINOR
65#
66
67__python_version_extract() { 47__python_version_extract() {
68 verstr=$1 48 local verstr=$1
69 export PYVER_MAJOR=${verstr:0:1} 49 export PYVER_MAJOR=${verstr:0:1}
70 export PYVER_MINOR=${verstr:2:1} 50 export PYVER_MINOR=${verstr:2:1}
51 if [[ ${verstr:3:1} == . ]]; then
71 export PYVER_MICRO=${verstr:4} 52 export PYVER_MICRO=${verstr:4}
53 fi
72 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}" 54 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
73} 55}
74 56
75python_version() { 57python_version() {
58 [[ -n "${PYVER}" ]] && return 0
76 local tmpstr 59 local tmpstr
77 python=${python:-/usr/bin/python} 60 python=${python:-/usr/bin/python}
78 tmpstr="$(${python} -V 2>&1 )" 61 tmpstr="$(${python} -V 2>&1 )"
79 export PYVER_ALL="${tmpstr#Python }" 62 export PYVER_ALL="${tmpstr#Python }"
80 __python_version_extract $PYVER_ALL 63 __python_version_extract $PYVER_ALL
81} 64}
82 65
83# 66# @FUNCTION: PYTHON
84# name: python_makesym 67# @USAGE: [-a|--absolute-path] [--] <Python_ABI="${PYTHON_ABI}">
85# desc: run without arguments, it will create the /usr/bin/python symlinks 68# @DESCRIPTION:
86# to the latest installed version 69# Get Python interpreter filename for specified Python ABI. If Python_ABI argument
87# 70# is ommitted, then PYTHON_ABI environment variable must be set and is used.
88python_makesym() { 71PYTHON() {
89 alternatives_auto_makesym "/usr/bin/python" "python[0-9].[0-9]" 72 local absolute_path="0" slot=
90 alternatives_auto_makesym "/usr/bin/python2" "python2.[0-9]"
91}
92 73
93# 74 while (($#)); do
75 case "$1" in
76 -a|--absolute-path)
77 absolute_path="1"
78 ;;
79 --)
80 break
81 ;;
82 -*)
83 die "${FUNCNAME}(): Unrecognized option $1"
84 ;;
85 *)
86 break
87 ;;
88 esac
89 shift
90 done
91
92 if [[ "$#" -eq "0" ]]; then
93 if [[ -n "${PYTHON_ABI}" ]]; then
94 slot="${PYTHON_ABI}"
95 else
96 die "${FUNCNAME}(): Invalid usage"
97 fi
98 elif [[ "$#" -eq "1" ]]; then
99 slot="$1"
100 else
101 die "${FUNCNAME}(): Invalid usage"
102 fi
103
104 if [[ "${absolute_path}" == "1" ]]; then
105 echo -n "/usr/bin/python${slot}"
106 else
107 echo -n "python${slot}"
108 fi
109}
110
111# @FUNCTION: validate_PYTHON_ABIS
112# @DESCRIPTION:
113# Ensure that PYTHON_ABIS variable has valid value.
114validate_PYTHON_ABIS() {
115 # Ensure that some functions cannot be accidentally successfully used in EAPI <= 2 without setting SUPPORT_PYTHON_ABIS variable.
116 if has "${EAPI:-0}" 0 1 2 && [[ -z "${SUPPORT_PYTHON_ABIS}" ]]; then
117 die "${FUNCNAME}() cannot be used in this EAPI without setting SUPPORT_PYTHON_ABIS variable"
118 fi
119
120 # Ensure that /usr/bin/python and /usr/bin/python-config are valid.
121 if [[ "$(readlink /usr/bin/python)" != "python-wrapper" ]]; then
122 die "'/usr/bin/python' isn't valid symlink"
123 fi
124 if [[ "$(</usr/bin/python-config)" != *"Gentoo python-config wrapper script"* ]]; then
125 die "'/usr/bin/python-config' isn't valid script"
126 fi
127
128 # USE_${ABI_TYPE^^} and RESTRICT_${ABI_TYPE^^}_ABIS variables hopefully will be included in EAPI >= 4.
129 if [[ "$(declare -p PYTHON_ABIS 2> /dev/null)" != "declare -x PYTHON_ABIS="* ]] && has "${EAPI:-0}" 0 1 2 3; then
130 local ABI python2_supported_versions python3_supported_versions restricted_ABI support_ABI supported_PYTHON_ABIS=
131 PYTHON_ABI_SUPPORTED_VALUES="2.4 2.5 2.6 2.7 3.0 3.1 3.2"
132 python2_supported_versions="2.4 2.5 2.6 2.7"
133 python3_supported_versions="3.0 3.1 3.2"
134
135 if [[ "$(declare -p USE_PYTHON 2> /dev/null)" == "declare -x USE_PYTHON="* ]]; then
136 local python2_enabled="0" python3_enabled="0"
137
138 if [[ -z "${USE_PYTHON}" ]]; then
139 die "USE_PYTHON variable is empty"
140 fi
141
142 for ABI in ${USE_PYTHON}; do
143 if ! has "${ABI}" ${PYTHON_ABI_SUPPORTED_VALUES}; then
144 die "USE_PYTHON variable contains invalid value '${ABI}'"
145 fi
146
147 if has "${ABI}" ${python2_supported_versions}; then
148 python2_enabled="1"
149 fi
150 if has "${ABI}" ${python3_supported_versions}; then
151 python3_enabled="1"
152 fi
153
154 support_ABI="1"
155 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
156 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
157 support_ABI="0"
158 break
159 fi
160 done
161 [[ "${support_ABI}" == "1" ]] && supported_PYTHON_ABIS+=" ${ABI}"
162 done
163 export PYTHON_ABIS="${supported_PYTHON_ABIS# }"
164
165 if [[ -z "${PYTHON_ABIS//[${IFS}]/}" ]]; then
166 die "USE_PYTHON variable doesn't enable any version of Python supported by ${CATEGORY}/${PF}"
167 fi
168
169 if [[ "${python2_enabled}" == "0" ]]; then
170 ewarn "USE_PYTHON variable doesn't enable any version of Python 2. This configuration is unsupported."
171 fi
172 if [[ "${python3_enabled}" == "0" ]]; then
173 ewarn "USE_PYTHON variable doesn't enable any version of Python 3. This configuration is unsupported."
174 fi
175 else
176 local python_version python2_version= python3_version= support_python_major_version
177
178 python_version="$(/usr/bin/python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
179
180 if has_version "=dev-lang/python-2*"; then
181 if [[ "$(readlink /usr/bin/python2)" != "python2."* ]]; then
182 die "'/usr/bin/python2' isn't valid symlink"
183 fi
184
185 python2_version="$(/usr/bin/python2 -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
186
187 for ABI in ${python2_supported_versions}; do
188 support_python_major_version="1"
189 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
190 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
191 support_python_major_version="0"
192 fi
193 done
194 [[ "${support_python_major_version}" == "1" ]] && break
195 done
196 if [[ "${support_python_major_version}" == "1" ]]; then
197 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
198 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${python2_version}', '${restricted_ABI}'))"; then
199 die "Active version of Python 2 isn't supported by ${CATEGORY}/${PF}"
200 fi
201 done
202 else
203 python2_version=""
204 fi
205 fi
206
207 if has_version "=dev-lang/python-3*"; then
208 if [[ "$(readlink /usr/bin/python3)" != "python3."* ]]; then
209 die "'/usr/bin/python3' isn't valid symlink"
210 fi
211
212 python3_version="$(/usr/bin/python3 -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
213
214 for ABI in ${python3_supported_versions}; do
215 support_python_major_version="1"
216 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
217 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
218 support_python_major_version="0"
219 fi
220 done
221 [[ "${support_python_major_version}" == "1" ]] && break
222 done
223 if [[ "${support_python_major_version}" == "1" ]]; then
224 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
225 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${python3_version}', '${restricted_ABI}'))"; then
226 die "Active version of Python 3 isn't supported by ${CATEGORY}/${PF}"
227 fi
228 done
229 else
230 python3_version=""
231 fi
232 fi
233
234 if ! has "${python_version}" "${python2_version}" "${python3_version}"; then
235 eerror "Python wrapper is configured incorrectly or /usr/bin/python2 or /usr/bin/python3 symlink"
236 eerror "is set incorrectly. Use \`eselect python\` to fix configuration."
237 die "Incorrect configuration of Python"
238 fi
239
240 PYTHON_ABIS="${python2_version} ${python3_version}"
241 PYTHON_ABIS="${PYTHON_ABIS# }"
242 export PYTHON_ABIS="${PYTHON_ABIS% }"
243 fi
244 fi
245
246 local PYTHON_ABI
247 for PYTHON_ABI in ${PYTHON_ABIS}; do
248 # Ensure that appropriate Python version is installed.
249 if ! has_version "dev-lang/python:${PYTHON_ABI}"; then
250 die "dev-lang/python:${PYTHON_ABI} isn't installed"
251 fi
252
253 # Ensure that EPYTHON variable is respected.
254 if [[ "$(EPYTHON="$(PYTHON)" python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')" != "${PYTHON_ABI}" ]]; then
255 die "'python' doesn't respect EPYTHON variable"
256 fi
257 done
258}
259
260# @FUNCTION: python_copy_sources
261# @USAGE: [--no-link] [--] [directory]
262# @DESCRIPTION:
263# Copy unpacked sources of given package for each Python ABI.
264python_copy_sources() {
265 local dir dirs=() no_link="0" PYTHON_ABI
266
267 while (($#)); do
268 case "$1" in
269 --no-link)
270 no_link="1"
271 ;;
272 --)
273 break
274 ;;
275 -*)
276 die "${FUNCNAME}(): Unrecognized option '$1'"
277 ;;
278 *)
279 break
280 ;;
281 esac
282 shift
283 done
284
285 if [[ "$#" -eq "0" ]]; then
286 if [[ "${WORKDIR}" == "${S}" ]]; then
287 die "${FUNCNAME}() cannot be used"
288 fi
289 dirs="${S}"
290 else
291 dirs="$@"
292 fi
293
294 validate_PYTHON_ABIS
295 for PYTHON_ABI in ${PYTHON_ABIS}; do
296 for dir in "${dirs[@]}"; do
297 if [[ "${no_link}" == "1" ]]; then
298 cp -pr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
299 else
300 cp -lpr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
301 fi
302 done
303 done
304}
305
306# @FUNCTION: python_set_build_dir_symlink
307# @USAGE: [directory="build"]
308# @DESCRIPTION:
309# Create build directory symlink.
310python_set_build_dir_symlink() {
311 local dir="$1"
312
313 [[ -z "${PYTHON_ABI}" ]] && die "PYTHON_ABI variable not set"
314 [[ -z "${dir}" ]] && dir="build"
315
316 # Don't delete preexistent directories.
317 rm -f "${dir}" || die "Deletion of '${dir}' failed"
318 ln -s "${dir}-${PYTHON_ABI}" "${dir}" || die "Creation of '${dir}' directory symlink failed"
319}
320
321# @FUNCTION: python_execute_function
322# @USAGE: [--action-message message] [-d|--default-function] [--failure-message message] [--nonfatal] [-q|--quiet] [-s|--separate-build-dirs] [--] <function> [arguments]
323# @DESCRIPTION:
324# Execute specified function for each value of PYTHON_ABIS, optionally passing additional
325# arguments. The specified function can use PYTHON_ABI and BUILDDIR variables.
326python_execute_function() {
327 local action action_message action_message_template= default_function="0" failure_message failure_message_template= function nonfatal="0" previous_directory previous_directory_stack previous_directory_stack_length PYTHON_ABI quiet="0" separate_build_dirs="0"
328
329 while (($#)); do
330 case "$1" in
331 --action-message)
332 action_message_template="$2"
333 shift
334 ;;
335 -d|--default-function)
336 default_function="1"
337 ;;
338 --failure-message)
339 failure_message_template="$2"
340 shift
341 ;;
342 --nonfatal)
343 nonfatal="1"
344 ;;
345 -q|--quiet)
346 quiet="1"
347 ;;
348 -s|--separate-build-dirs)
349 separate_build_dirs="1"
350 ;;
351 --)
352 break
353 ;;
354 -*)
355 die "${FUNCNAME}(): Unrecognized option '$1'"
356 ;;
357 *)
358 break
359 ;;
360 esac
361 shift
362 done
363
364 if [[ "${default_function}" == "0" ]]; then
365 if [[ "$#" -eq "0" ]]; then
366 die "${FUNCNAME}(): Missing function name"
367 fi
368 function="$1"
369 shift
370
371 if [[ -z "$(type -t "${function}")" ]]; then
372 die "${FUNCNAME}(): '${function}' function isn't defined"
373 fi
374 else
375 if [[ "$#" -ne "0" ]]; then
376 die "${FUNCNAME}(): '--default-function' option and function name cannot be specified simultaneously"
377 fi
378 if has "${EAPI:-0}" 0 1; then
379 die "${FUNCNAME}(): '--default-function' option cannot be used in this EAPI"
380 fi
381
382 if [[ "${EBUILD_PHASE}" == "configure" ]]; then
383 if has "${EAPI}" 2; then
384 python_default_function() {
385 econf
386 }
387 else
388 python_default_function() {
389 nonfatal econf
390 }
391 fi
392 elif [[ "${EBUILD_PHASE}" == "compile" ]]; then
393 python_default_function() {
394 emake
395 }
396 elif [[ "${EBUILD_PHASE}" == "test" ]]; then
397 python_default_function() {
398 if emake -j1 -n check &> /dev/null; then
399 emake -j1 check
400 elif emake -j1 -n test &> /dev/null; then
401 emake -j1 test
402 fi
403 }
404 elif [[ "${EBUILD_PHASE}" == "install" ]]; then
405 python_default_function() {
406 emake DESTDIR="${D}" install
407 }
408 else
409 die "${FUNCNAME}(): --default-function option cannot be used in this ebuild phase"
410 fi
411 function="python_default_function"
412 fi
413
414 if [[ "${quiet}" == "0" ]]; then
415 [[ "${EBUILD_PHASE}" == "setup" ]] && action="Setting up"
416 [[ "${EBUILD_PHASE}" == "unpack" ]] && action="Unpacking"
417 [[ "${EBUILD_PHASE}" == "prepare" ]] && action="Preparation"
418 [[ "${EBUILD_PHASE}" == "configure" ]] && action="Configuration"
419 [[ "${EBUILD_PHASE}" == "compile" ]] && action="Building"
420 [[ "${EBUILD_PHASE}" == "test" ]] && action="Testing"
421 [[ "${EBUILD_PHASE}" == "install" ]] && action="Installation"
422 [[ "${EBUILD_PHASE}" == "preinst" ]] && action="Preinstallation"
423 [[ "${EBUILD_PHASE}" == "postinst" ]] && action="Postinstallation"
424 [[ "${EBUILD_PHASE}" == "prerm" ]] && action="Preuninstallation"
425 [[ "${EBUILD_PHASE}" == "postrm" ]] && action="Postuninstallation"
426 fi
427
428 local RED GREEN BLUE NORMAL
429 if [[ "${NOCOLOR:-false}" =~ ^(false|no)$ ]]; then
430 RED=$'\e[1;31m'
431 GREEN=$'\e[1;32m'
432 BLUE=$'\e[1;34m'
433 NORMAL=$'\e[0m'
434 else
435 RED=
436 GREEN=
437 BLUE=
438 NORMAL=
439 fi
440
441 validate_PYTHON_ABIS
442 for PYTHON_ABI in ${PYTHON_ABIS}; do
443 if [[ "${quiet}" == "0" ]]; then
444 if [[ -n "${action_message_template}" ]]; then
445 action_message="$(eval echo -n "${action_message_template}")"
446 else
447 action_message="${action} of ${CATEGORY}/${PF} with Python ${PYTHON_ABI}..."
448 fi
449 echo " ${GREEN}*${NORMAL} ${BLUE}${action_message}${NORMAL}"
450 fi
451
452 if [[ "${separate_build_dirs}" == "1" ]]; then
453 export BUILDDIR="${S}-${PYTHON_ABI}"
454 pushd "${BUILDDIR}" > /dev/null || die "pushd failed"
455 else
456 export BUILDDIR="${S}"
457 fi
458
459 previous_directory="$(pwd)"
460 previous_directory_stack="$(dirs -p)"
461 previous_directory_stack_length="$(dirs -p | wc -l)"
462
463 if ! has "${EAPI}" 0 1 2 && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
464 EPYTHON="$(PYTHON)" nonfatal "${function}" "$@"
465 else
466 EPYTHON="$(PYTHON)" "${function}" "$@"
467 fi
468
469 if [[ "$?" != "0" ]]; then
470 if [[ -n "${failure_message_template}" ]]; then
471 failure_message="$(eval echo -n "${failure_message_template}")"
472 else
473 failure_message="${action} failed with Python ${PYTHON_ABI} in ${function}() function"
474 fi
475
476 if [[ "${nonfatal}" == "1" ]]; then
477 if [[ "${quiet}" == "0" ]]; then
478 ewarn "${RED}${failure_message}${NORMAL}"
479 fi
480 elif has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
481 if [[ "${EBUILD_PHASE}" != "test" ]] || ! has test-fail-continue ${FEATURES}; then
482 local ABI enabled_PYTHON_ABIS=
483 for ABI in ${PYTHON_ABIS}; do
484 [[ "${ABI}" != "${PYTHON_ABI}" ]] && enabled_PYTHON_ABIS+=" ${ABI}"
485 done
486 export PYTHON_ABIS="${enabled_PYTHON_ABIS# }"
487 fi
488 if [[ "${quiet}" == "0" ]]; then
489 ewarn "${RED}${failure_message}${NORMAL}"
490 fi
491 if [[ -z "${PYTHON_ABIS}" ]]; then
492 die "${function}() function failed with all enabled versions of Python"
493 fi
494 else
495 die "${failure_message}"
496 fi
497 fi
498
499 # Ensure that directory stack hasn't been decreased.
500 if [[ "$(dirs -p | wc -l)" -lt "${previous_directory_stack_length}" ]]; then
501 die "Directory stack decreased illegally"
502 fi
503
504 # Avoid side effects of earlier returning from the specified function.
505 while [[ "$(dirs -p | wc -l)" -gt "${previous_directory_stack_length}" ]]; do
506 popd > /dev/null || die "popd failed"
507 done
508
509 # Ensure that the bottom part of directory stack hasn't been changed. Restore
510 # previous directory (from before running of the specified function) before
511 # comparison of directory stacks to avoid mismatch of directory stacks after
512 # potential using of 'cd' to change current directory. Restoration of previous
513 # directory allows to safely use 'cd' to change current directory in the
514 # specified function without changing it back to original directory.
515 cd "${previous_directory}"
516 if [[ "$(dirs -p)" != "${previous_directory_stack}" ]]; then
517 die "Directory stack changed illegally"
518 fi
519
520 if [[ "${separate_build_dirs}" == "1" ]]; then
521 popd > /dev/null || die "popd failed"
522 fi
523 unset BUILDDIR
524 done
525
526 if [[ "${default_function}" == "1" ]]; then
527 unset -f python_default_function
528 fi
529}
530
531
532# @ECLASS-VARIABLE: PYTHON_USE_WITH
533# @DESCRIPTION:
534# Set this to a space separated list of use flags
535# the python slot in use must be built with.
536
537# @ECLASS-VARIABLE: PYTHON_USE_WITH_OR
538# @DESCRIPTION:
539# Set this to a space separated list of use flags
540# of which one must be turned on for the slot of
541# in use.
542
543# @ECLASS-VARIABLE: PYTHON_USE_WITH_OPT
544# @DESCRIPTION:
545# Set this if you need to make either PYTHON_USE_WITH or
546# PYTHON_USE_WITH_OR atoms conditional under a use flag.
547
548# @FUNCTION: python_pkg_setup
549# @DESCRIPTION:
550# Makes sure PYTHON_USE_WITH or PYTHON_USE_WITH_OR listed use flags
551# are respected. Only exported if one of those variables is set.
552if ! has "${EAPI:-0}" 0 1 && [[ -n ${PYTHON_USE_WITH} || -n ${PYTHON_USE_WITH_OR} ]]; then
553 python_pkg_setup() {
554 python_pkg_setup_fail() {
555 eerror "${1}"
556 die "${1}"
557 }
558
559 [[ ${PYTHON_USE_WITH_OPT} ]] && use !${PYTHON_USE_WITH_OPT} && return
560
561 python_pkg_setup_check_USE_flags() {
562 local pyatom use
563 if [[ -n "${PYTHON_ABI}" ]]; then
564 pyatom="dev-lang/python:${PYTHON_ABI}"
565 else
566 python_version
567 pyatom="dev-lang/python:${PYVER}"
568 fi
569
570 # Workaround for older versions of Portage.
571 # has_version() calls portageq which is implemented in Python.
572 if has_version "=dev-lang/python-2*"; then
573 local EPYTHON
574 export EPYTHON="$(readlink /usr/bin/python2)"
575 fi
576
577 for use in ${PYTHON_USE_WITH}; do
578 if ! has_version "${pyatom}[${use}]"; then
579 python_pkg_setup_fail "Please rebuild ${pyatom} with the following USE flags enabled: ${PYTHON_USE_WITH}"
580 fi
581 done
582
583 for use in ${PYTHON_USE_WITH_OR}; do
584 if has_version "${pyatom}[${use}]"; then
585 return
586 fi
587 done
588
589 if [[ ${PYTHON_USE_WITH_OR} ]]; then
590 python_pkg_setup_fail "Please rebuild ${pyatom} with at least one of the following USE flags enabled: ${PYTHON_USE_WITH_OR}"
591 fi
592 }
593
594 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
595 python_execute_function -q python_pkg_setup_check_USE_flags
596 else
597 python_pkg_setup_check_USE_flags
598 fi
599 }
600
601 EXPORT_FUNCTIONS pkg_setup
602
603 if [[ -n "${PYTHON_USE_WITH}" ]]; then
604 PYTHON_USE_WITH_ATOM="${PYTHON_ATOM}[${PYTHON_USE_WITH/ /,}]"
605 elif [[ -n "${PYTHON_USE_WITH_OR}" ]]; then
606 PYTHON_USE_WITH_ATOM="|| ( "
607 for use in ${PYTHON_USE_WITH_OR}; do
608 PYTHON_USE_WITH_ATOM+=" ${PYTHON_ATOM}[${use}]"
609 done
610 unset use
611 PYTHON_USE_WITH_ATOM+=" )"
612 fi
613 if [[ -n "${PYTHON_USE_WITH_OPT}" ]]; then
614 PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_OPT}? ( ${PYTHON_USE_WITH_ATOM} )"
615 fi
616 DEPEND+=" ${PYTHON_USE_WITH_ATOM}"
617 RDEPEND+=" ${PYTHON_USE_WITH_ATOM}"
618fi
619
620# @ECLASS-VARIABLE: PYTHON_DEFINE_DEFAULT_FUNCTIONS
621# @DESCRIPTION:
622# Set this to define default functions for the following ebuild phases:
623# src_prepare, src_configure, src_compile, src_test, src_install.
624if ! has "${EAPI:-0}" 0 1 && [[ -n "${PYTHON_DEFINE_DEFAULT_FUNCTIONS}" ]]; then
625 python_src_prepare() {
626 python_copy_sources
627 }
628
629 for python_default_function in src_configure src_compile src_test src_install; do
630 eval "python_${python_default_function}() { python_execute_function -d -s; }"
631 done
632 unset python_default_function
633
634 EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
635fi
636
637# @FUNCTION: python_disable_pyc
638# @DESCRIPTION:
639# Tell Python not to automatically recompile modules to .pyc/.pyo
640# even if the timestamps/version stamps don't match. This is done
641# to protect sandbox.
642python_disable_pyc() {
643 export PYTHONDONTWRITEBYTECODE="1"
644}
645
646# @FUNCTION: python_enable_pyc
647# @DESCRIPTION:
648# Tell Python to automatically recompile modules to .pyc/.pyo if the
649# timestamps/version stamps have changed.
650python_enable_pyc() {
651 unset PYTHONDONTWRITEBYTECODE
652}
653
654python_disable_pyc
655
656# @FUNCTION: python_need_rebuild
657# @DESCRIPTION: Run without arguments, specifies that the package should be
658# rebuilt after a python upgrade.
659python_need_rebuild() {
660 python_version
661 export PYTHON_NEED_REBUILD=${PYVER}
662}
663
664# @FUNCTION: python_get_includedir
665# @DESCRIPTION:
666# Run without arguments, returns the Python include directory.
667python_get_includedir() {
668 if [[ -n "${PYTHON_ABI}" ]]; then
669 echo "/usr/include/python${PYTHON_ABI}"
670 else
671 python_version
672 echo "/usr/include/python${PYVER}"
673 fi
674}
675
676# @FUNCTION: python_get_libdir
677# @DESCRIPTION:
678# Run without arguments, returns the Python library directory.
679python_get_libdir() {
680 if [[ -n "${PYTHON_ABI}" ]]; then
681 echo "/usr/$(get_libdir)/python${PYTHON_ABI}"
682 else
683 python_version
684 echo "/usr/$(get_libdir)/python${PYVER}"
685 fi
686}
687
688# @FUNCTION: python_get_sitedir
689# @DESCRIPTION:
690# Run without arguments, returns the Python site-packages directory.
691python_get_sitedir() {
692 echo "$(python_get_libdir)/site-packages"
693}
694
94# name: python_tkinter_exists 695# @FUNCTION: python_tkinter_exists
696# @DESCRIPTION:
95# desc: run without arguments, checks if python was compiled with Tkinter 697# Run without arguments, checks if python was compiled with Tkinter
96# support. If not, prints an error message and dies. 698# support. If not, prints an error message and dies.
97#
98python_tkinter_exists() { 699python_tkinter_exists() {
99 if ! python -c "import Tkinter" >/dev/null 2>&1; then 700 if ! python -c "import Tkinter" >/dev/null 2>&1; then
100 eerror "You need to recompile python with Tkinter support." 701 eerror "You need to recompile python with Tkinter support."
101 eerror "That means: USE='tcltk' emerge python" 702 eerror "Try adding: 'dev-lang/python tk'"
703 eerror "in to /etc/portage/package.use"
102 echo 704 echo
103 die "missing tkinter support with installed python" 705 die "missing tkinter support with installed python"
104 fi 706 fi
105} 707}
106 708
709# @FUNCTION: python_mod_exists
710# @USAGE: <module>
711# @DESCRIPTION:
712# Run with the module name as an argument. it will check if a
713# python module is installed and loadable. it will return
714# TRUE(0) if the module exists, and FALSE(1) if the module does
715# not exist.
107# 716#
108# name: python_mod_exists 717# Example:
109# desc: run with the module name as an argument. it will check if a
110# python module is installed and loadable. it will return
111# TRUE(0) if the module exists, and FALSE(1) if the module does
112# not exist.
113# exam:
114# if python_mod_exists gtk; then 718# if python_mod_exists gtk; then
115# echo "gtk support enabled 719# echo "gtk support enabled"
116# fi 720# fi
721python_mod_exists() {
722 [[ "$1" ]] || die "${FUNCNAME} requires an argument!"
723 python -c "import $1" &>/dev/null
724}
725
726# @FUNCTION: python_mod_compile
727# @USAGE: <file> [more files ...]
728# @DESCRIPTION:
729# Given filenames, it will pre-compile the module's .pyc and .pyo.
730# This function should only be run in pkg_postinst()
117# 731#
118python_mod_exists() { 732# Example:
119 [ -z "$1" ] && die "${FUNCTION} requires an argument!"
120 if ! python -c "import $1" >/dev/null 2>&1; then
121 return 1
122 fi
123 return 0
124}
125
126#
127# name: python_mod_compile
128# desc: given a filename, it will pre-compile the module's .pyc and .pyo.
129# should only be run in pkg_postinst()
130# exam:
131# python_mod_compile ${ROOT}usr/lib/python2.3/site-packages/pygoogle.py 733# python_mod_compile /usr/lib/python2.3/site-packages/pygoogle.py
132# 734#
133python_mod_compile() { 735python_mod_compile() {
736 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
737 die "${FUNCNAME}() cannot be used in this EAPI"
738 fi
739
740 local f myroot myfiles=()
741
742 # Check if phase is pkg_postinst()
743 [[ ${EBUILD_PHASE} != postinst ]] &&\
744 die "${FUNCNAME} should only be run in pkg_postinst()"
745
134 # allow compiling for older python versions 746 # allow compiling for older python versions
135 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then 747 if [[ "${PYTHON_OVERRIDE_PYVER}" ]]; then
136 PYVER=${PYTHON_OVERRIDE_PYVER} 748 PYVER=${PYTHON_OVERRIDE_PYVER}
137 else 749 else
138 python_version 750 python_version
139 fi 751 fi
140 752
141 if [ -f "$1" ]; then
142 python${PYVER} -c "import py_compile; py_compile.compile('${1}')" || \
143 ewarn "Failed to compile ${1}"
144 python${PYVER} -O -c "import py_compile; py_compile.compile('${1}')" || \
145 ewarn "Failed to compile ${1}"
146 else
147 ewarn "Unable to find ${1}"
148 fi
149}
150
151#
152# name: python_mod_optimize
153# desc: if no arguments supplied, it will recompile all modules under
154# sys.path (eg. /usr/lib/python2.3, /usr/lib/python2.3/site-packages/ ..)
155# no recursively
156#
157# if supplied with arguments, it will recompile all modules recursively
158# in the supplied directory
159# exam:
160# python_mod_optimize ${ROOT}usr/share/codegen
161#
162python_mod_optimize() {
163 local myroot
164 # strip trailing slash 753 # strip trailing slash
165 myroot="${ROOT%/}" 754 myroot="${ROOT%/}"
166 755
167 # allow compiling for older python versions 756 # respect ROOT
168 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then 757 for f in "$@"; do
169 PYVER=${PYTHON_OVERRIDE_PYVER} 758 [[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}")
759 done
760
761 if ((${#myfiles[@]})); then
762 python${PYVER} ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}"
763 python${PYVER} -O ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}" &> /dev/null
170 else 764 else
171 python_version 765 ewarn "No files to compile!"
766 fi
767}
768
769# @FUNCTION: python_mod_optimize
770# @USAGE: [options] [directory|file]
771# @DESCRIPTION:
772# If no arguments supplied, it will recompile not recursively all modules
773# under sys.path (eg. /usr/lib/python2.6, /usr/lib/python2.6/site-packages).
774#
775# If supplied with arguments, it will recompile all modules recursively
776# in the supplied directory.
777# This function should only be run in pkg_postinst().
778#
779# Options passed to this function are passed to compileall.py.
780#
781# Example:
782# python_mod_optimize ctypesgencore
783python_mod_optimize() {
784 # Check if phase is pkg_postinst().
785 [[ ${EBUILD_PHASE} != "postinst" ]] && die "${FUNCNAME} should only be run in pkg_postinst()"
786
787 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
788 local dir file options=() other_dirs=() other_files=() PYTHON_ABI return_code root site_packages_absolute_dirs=() site_packages_dirs=() site_packages_absolute_files=() site_packages_files=()
789
790 # Strip trailing slash from ROOT.
791 root="${ROOT%/}"
792
793 # Respect ROOT and options passed to compileall.py.
794 while (($#)); do
795 case "$1" in
796 -l|-f|-q)
797 options+=("$1")
798 ;;
799 -d|-x)
800 options+=("$1" "$2")
801 shift
802 ;;
803 -*)
804 ewarn "${FUNCNAME}: Ignoring compile option $1"
805 ;;
806 *)
807 if [[ "$1" =~ ^/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
808 die "${FUNCNAME} doesn't support absolute paths of directories/files in site-packages directories"
809 elif [[ "$1" =~ ^/ ]]; then
810 if [[ -d "${root}/$1" ]]; then
811 other_dirs+=("${root}/$1")
812 elif [[ -f "${root}/$1" ]]; then
813 other_files+=("${root}/$1")
814 elif [[ -e "${root}/$1" ]]; then
815 ewarn "'${root}/$1' is not a file or a directory!"
816 else
817 ewarn "'${root}/$1' doesn't exist!"
818 fi
819 else
820 for PYTHON_ABI in ${PYTHON_ABIS}; do
821 if [[ -d "${root}$(python_get_sitedir)/$1" ]]; then
822 site_packages_dirs+=("$1")
823 break
824 elif [[ -f "${root}$(python_get_sitedir)/$1" ]]; then
825 site_packages_files+=("$1")
826 break
827 elif [[ -e "${root}$(python_get_sitedir)/$1" ]]; then
828 ewarn "'$1' is not a file or a directory!"
829 else
830 ewarn "'$1' doesn't exist!"
831 fi
832 done
833 fi
834 ;;
835 esac
836 shift
837 done
838
839 # Set additional options.
840 options+=("-q")
841
842 for PYTHON_ABI in ${PYTHON_ABIS}; do
843 if ((${#site_packages_dirs[@]})) || ((${#site_packages_files[@]})); then
844 return_code="0"
845 ebegin "Compilation and optimization of Python modules for Python ${PYTHON_ABI}"
846 if ((${#site_packages_dirs[@]})); then
847 for dir in "${site_packages_dirs[@]}"; do
848 site_packages_absolute_dirs+=("${root}$(python_get_sitedir)/${dir}")
849 done
850 "$(PYTHON)" "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" || return_code="1"
851 "$(PYTHON)" -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" &> /dev/null || return_code="1"
852 fi
853 if ((${#site_packages_files[@]})); then
854 for file in "${site_packages_files[@]}"; do
855 site_packages_absolute_files+=("${root}$(python_get_sitedir)/${file}")
856 done
857 "$(PYTHON)" "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" || return_code="1"
858 "$(PYTHON)" -O "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" &> /dev/null || return_code="1"
859 fi
860 eend "${return_code}"
861 fi
862 unset site_packages_absolute_dirs site_packages_absolute_files
863 done
864
865 # Don't use PYTHON_ABI in next calls to python_get_libdir().
866 unset PYTHON_ABI
867
868 if ((${#other_dirs[@]})) || ((${#other_files[@]})); then
869 return_code="0"
870 ebegin "Compilation and optimization of Python modules placed outside of site-packages directories for Python ${PYVER}..."
871 if ((${#other_dirs[@]})); then
872 python${PYVER} "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" || return_code="1"
873 python${PYVER} -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" &> /dev/null || return_code="1"
874 fi
875 if ((${#other_files[@]})); then
876 python${PYVER} "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" || return_code="1"
877 python${PYVER} -O "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" &> /dev/null || return_code="1"
878 fi
879 eend "${return_code}"
172 fi 880 fi
173
174 # set opts
175 if [ "${PYVER}" = "2.2" ]; then
176 compileopts=""
177 else 881 else
178 compileopts="-q" 882 local myroot mydirs=() myfiles=() myopts=() return_code="0"
883
884 # strip trailing slash
885 myroot="${ROOT%/}"
886
887 # respect ROOT and options passed to compileall.py
888 while (($#)); do
889 case "$1" in
890 -l|-f|-q)
891 myopts+=("$1")
892 ;;
893 -d|-x)
894 myopts+=("$1" "$2")
895 shift
896 ;;
897 -*)
898 ewarn "${FUNCNAME}: Ignoring compile option $1"
899 ;;
900 *)
901 if [[ -d "${myroot}"/$1 ]]; then
902 mydirs+=("${myroot}/$1")
903 elif [[ -f "${myroot}"/$1 ]]; then
904 # Files are passed to python_mod_compile which is ROOT-aware
905 myfiles+=("$1")
906 elif [[ -e "${myroot}/$1" ]]; then
907 ewarn "${myroot}/$1 is not a file or directory!"
908 else
909 ewarn "${myroot}/$1 doesn't exist!"
910 fi
911 ;;
912 esac
913 shift
914 done
915
916 # allow compiling for older python versions
917 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
918 PYVER=${PYTHON_OVERRIDE_PYVER}
919 else
920 python_version
179 fi 921 fi
180 922
923 # set additional opts
924 myopts+=(-q)
925
181 ebegin "Byte compiling python modules for python-${PYVER} .." 926 ebegin "Byte compiling python modules for python-${PYVER} .."
182 python${PYVER} ${myroot}/usr/lib/python${PYVER}/compileall.py ${compileopts} $@ 927 if ((${#mydirs[@]})); then
183 python${PYVER} -O ${myroot}/usr/lib/python${PYVER}/compileall.py ${compileopts} $@ 928 python${PYVER} \
184 eend $? 929 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
185} 930 "${myopts[@]}" "${mydirs[@]}" || return_code="1"
931 python${PYVER} -O \
932 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
933 "${myopts[@]}" "${mydirs[@]}" &> /dev/null || return_code="1"
934 fi
186 935
936 if ((${#myfiles[@]})); then
937 python_mod_compile "${myfiles[@]}"
938 fi
939
940 eend "${return_code}"
941 fi
942}
943
944# @FUNCTION: python_mod_cleanup
945# @USAGE: [directory]
946# @DESCRIPTION:
947# Run with optional arguments, where arguments are directories of
948# python modules. If none given, it will look in /usr/lib/python[0-9].[0-9].
187# 949#
188# name: python_mod_cleanup 950# It will recursively scan all compiled Python modules in the directories and
189# desc: run with optional arguments, where arguments are directories of 951# determine if they are orphaned (i.e. their corresponding .py files are missing.)
190# python modules. if none given, it will look in /usr/lib/python[0-9].[0-9] 952# If they are, then it will remove their corresponding .pyc and .pyo files.
191# 953#
192# it will recursively scan all compiled python modules in the directories 954# This function should only be run in pkg_postrm().
193# and determine if they are orphaned (eg. their corresponding .py is missing.)
194# if they are, then it will remove their corresponding .pyc and .pyo
195#
196python_mod_cleanup() { 955python_mod_cleanup() {
197 local SEARCH_PATH myroot 956 local PYTHON_ABI SEARCH_PATH=() root src_py
198 957
958 # Check if phase is pkg_postrm().
959 [[ ${EBUILD_PHASE} != "postrm" ]] && die "${FUNCNAME} should only be run in pkg_postrm()"
960
199 # strip trailing slash 961 # Strip trailing slash from ROOT.
200 myroot="${ROOT%/}" 962 root="${ROOT%/}"
201 963
202 if [ $# -gt 0 ]; then 964 if (($#)); then
203 for path in $@; do 965 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
966 while (($#)); do
967 if [[ "$1" =~ ^/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
968 die "${FUNCNAME} doesn't support absolute paths of directories/files in site-packages directories"
969 elif [[ "$1" =~ ^/ ]]; then
970 SEARCH_PATH+=("${root}/${1#/}")
971 else
972 for PYTHON_ABI in ${PYTHON_ABIS}; do
973 SEARCH_PATH+=("${root}$(python_get_sitedir)/$1")
974 done
975 fi
976 shift
977 done
978 else
979 SEARCH_PATH=("${@#/}")
204 SEARCH_PATH="${SEARCH_PATH} ${myroot}/${path#/}" 980 SEARCH_PATH=("${SEARCH_PATH[@]/#/${root}/}")
981 fi
982 else
983 SEARCH_PATH=("${root}"/usr/lib*/python*/site-packages)
984 fi
985
986 for path in "${SEARCH_PATH[@]}"; do
987 [[ ! -d "${path}" ]] && continue
988 einfo "Cleaning orphaned Python bytecode from ${path} .."
989 find "${path}" -name '*.py[co]' -print0 | while read -rd ''; do
990 src_py="${REPLY%[co]}"
991 [[ -f "${src_py}" || (! -f "${src_py}c" && ! -f "${src_py}o") ]] && continue
992 einfo "Purging ${src_py}[co]"
993 rm -f "${src_py}"[co]
205 done 994 done
206 else
207 for path in ${myroot}/usr/lib*/python*/site-packages; do
208 SEARCH_PATH="${SEARCH_PATH} ${path}"
209 done
210 fi
211 995
212 for path in ${SEARCH_PATH}; do
213 einfo "Cleaning orphaned Python bytecode from ${path} .."
214 for obj in $(find ${path} -name *.pyc); do
215 src_py="${obj%c}"
216 if [ ! -f "${src_py}" ]; then
217 einfo "Purging ${src_py}[co]"
218 rm -f ${src_py}[co]
219 fi
220 done
221 # attempt to remove directories that maybe empty 996 # Attempt to remove directories that may be empty.
222 for dir in $(find ${path} -type d | sort -r); do 997 find "${path}" -type d | sort -r | while read -r dir; do
223 rmdir ${dir} 2>/dev/null 998 rmdir "${dir}" 2>/dev/null && einfo "Removing empty directory ${dir}"
224 done 999 done
225 done 1000 done
226} 1001}

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