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Revision 1.74 - (show annotations) (download)
Fri Oct 2 02:02:24 2009 UTC (4 years, 9 months ago) by arfrever
Branch: MAIN
Changes since 1.73: +104 -45 lines
Automatically enable Python 2 and Python 3 if no version has been explicitly enabled. Improve python_pkg_setup().

1 # Copyright 1999-2009 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.73 2009/09/18 17:50:08 arfrever Exp $
4
5 # @ECLASS: python.eclass
6 # @MAINTAINER:
7 # python@gentoo.org
8 # @BLURB: A utility eclass that should be inherited by anything that deals with Python or Python modules.
9 # @DESCRIPTION:
10 # Some useful functions for dealing with Python.
11
12 inherit multilib
13
14 if [[ -n "${NEED_PYTHON}" ]] ; then
15 PYTHON_ATOM=">=dev-lang/python-${NEED_PYTHON}"
16 DEPEND="${PYTHON_ATOM}"
17 RDEPEND="${DEPEND}"
18 else
19 PYTHON_ATOM="dev-lang/python"
20 fi
21
22 DEPEND+=" >=app-admin/eselect-python-20090804
23 >=app-shells/bash-3.2"
24
25 __python_eclass_test() {
26 __python_version_extract 2.3
27 echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
28 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
29 __python_version_extract 2.3.4
30 echo -n "2.3.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
31 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
32 __python_version_extract 2.3.5
33 echo -n "2.3.5 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
34 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
35 __python_version_extract 2.4
36 echo -n "2.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
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 }
42
43 # @FUNCTION: python_version
44 # @DESCRIPTION:
45 # Run without arguments and it will export the version of python
46 # currently in use as $PYVER; sets PYVER/PYVER_MAJOR/PYVER_MINOR
47 __python_version_extract() {
48 local verstr=$1
49 export PYVER_MAJOR=${verstr:0:1}
50 export PYVER_MINOR=${verstr:2:1}
51 if [[ ${verstr:3:1} == . ]]; then
52 export PYVER_MICRO=${verstr:4}
53 fi
54 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
55 }
56
57 python_version() {
58 [[ -n "${PYVER}" ]] && return 0
59 local tmpstr
60 python=${python:-/usr/bin/python}
61 tmpstr="$(${python} -V 2>&1 )"
62 export PYVER_ALL="${tmpstr#Python }"
63 __python_version_extract $PYVER_ALL
64 }
65
66 # @FUNCTION: PYTHON
67 # @USAGE: [-a|--absolute-path] [--] <Python_ABI="${PYTHON_ABI}">
68 # @DESCRIPTION:
69 # Get Python interpreter filename for specified Python ABI. If Python_ABI argument
70 # is ommitted, then PYTHON_ABI environment variable must be set and is used.
71 PYTHON() {
72 local absolute_path="0" slot=
73
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${slot}"
108 fi
109 }
110
111 # @FUNCTION: validate_PYTHON_ABIS
112 # @DESCRIPTION:
113 # Make sure PYTHON_ABIS variable has valid value.
114 validate_PYTHON_ABIS() {
115 # Ensure that some functions cannot be accidentally successfully used in EAPI <= 2 without setting SUPPORT_PYTHON_ABIS variable.
116 if has "${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 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
133 if [[ "$(declare -p USE_PYTHON 2> /dev/null)" == "declare -x USE_PYTHON="* ]]; then
134 if [[ -z "${USE_PYTHON}" ]]; then
135 die "USE_PYTHON variable is empty"
136 fi
137
138 for ABI in ${USE_PYTHON}; do
139 if ! has "${ABI}" ${PYTHON_ABI_SUPPORTED_VALUES}; then
140 die "USE_PYTHON variable contains invalid value '${ABI}'"
141 fi
142 support_ABI="1"
143 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
144 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
145 support_ABI="0"
146 break
147 fi
148 done
149 [[ "${support_ABI}" == "1" ]] && supported_PYTHON_ABIS+=" ${ABI}"
150 done
151 export PYTHON_ABIS="${supported_PYTHON_ABIS# }"
152
153 if [[ -z "${PYTHON_ABIS//[${IFS}]/}" ]]; then
154 die "USE_PYTHON variable doesn't enable any version of Python supported by ${CATEGORY}/${PF}"
155 fi
156 else
157 local ABI python2_version= python2_supported_versions python3_version= python3_supported_versions restricted_ABI support_python_major_version
158
159 if has_version "=dev-lang/python-2*"; then
160 if [[ "$(readlink /usr/bin/python2)" != "python2."* ]]; then
161 die "'/usr/bin/python2' isn't valid symlink"
162 fi
163
164 python2_version="$(/usr/bin/python2 -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
165 python2_supported_versions="2.4 2.5 2.6 2.7"
166
167 for ABI in ${python2_supported_versions}; do
168 support_python_major_version="1"
169 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
170 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
171 support_python_major_version="0"
172 fi
173 done
174 [[ "${support_python_major_version}" == "1" ]] && break
175 done
176 if [[ "${support_python_major_version}" == "1" ]]; then
177 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
178 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${python2_version}', '${restricted_ABI}'))"; then
179 die "Active version of Python 2 isn't supported by ${CATEGORY}/${PF}"
180 fi
181 done
182 else
183 python2_version=""
184 fi
185 fi
186
187 if has_version "=dev-lang/python-3*"; then
188 if [[ "$(readlink /usr/bin/python3)" != "python3."* ]]; then
189 die "'/usr/bin/python3' isn't valid symlink"
190 fi
191
192 python3_version="$(/usr/bin/python3 -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
193 python3_supported_versions="3.0 3.1 3.2"
194
195 for ABI in ${python3_supported_versions}; do
196 support_python_major_version="1"
197 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
198 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
199 support_python_major_version="0"
200 fi
201 done
202 [[ "${support_python_major_version}" == "1" ]] && break
203 done
204 if [[ "${support_python_major_version}" == "1" ]]; then
205 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
206 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${python3_version}', '${restricted_ABI}'))"; then
207 die "Active version of Python 3 isn't supported by ${CATEGORY}/${PF}"
208 fi
209 done
210 else
211 python3_version=""
212 fi
213 fi
214
215 PYTHON_ABIS="${python2_version} ${python3_version}"
216 PYTHON_ABIS="${PYTHON_ABIS# }"
217 export PYTHON_ABIS="${PYTHON_ABIS% }"
218 fi
219 fi
220
221 local PYTHON_ABI
222 for PYTHON_ABI in ${PYTHON_ABIS}; do
223 # Ensure that appropriate Python version is installed.
224 if ! has_version "dev-lang/python:${PYTHON_ABI}"; then
225 die "dev-lang/python:${PYTHON_ABI} isn't installed"
226 fi
227
228 # Ensure that EPYTHON variable is respected.
229 if [[ "$(EPYTHON="$(PYTHON)" python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')" != "${PYTHON_ABI}" ]]; then
230 die "'python' doesn't respect EPYTHON variable"
231 fi
232 done
233 }
234
235 # @FUNCTION: python_copy_sources
236 # @USAGE: [--no-link] [--] [directory]
237 # @DESCRIPTION:
238 # Copy unpacked sources of given package for each Python ABI.
239 python_copy_sources() {
240 local dir dirs=() no_link="0" PYTHON_ABI
241
242 while (($#)); do
243 case "$1" in
244 --no-link)
245 no_link="1"
246 ;;
247 --)
248 break
249 ;;
250 -*)
251 die "${FUNCNAME}(): Unrecognized option '$1'"
252 ;;
253 *)
254 break
255 ;;
256 esac
257 shift
258 done
259
260 if [[ "$#" -eq "0" ]]; then
261 if [[ "${WORKDIR}" == "${S}" ]]; then
262 die "${FUNCNAME}() cannot be used"
263 fi
264 dirs="${S}"
265 else
266 dirs="$@"
267 fi
268
269 validate_PYTHON_ABIS
270 for PYTHON_ABI in ${PYTHON_ABIS}; do
271 for dir in "${dirs[@]}"; do
272 if [[ "${no_link}" == "1" ]]; then
273 cp -pr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
274 else
275 cp -lpr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
276 fi
277 done
278 done
279 }
280
281 # @FUNCTION: python_set_build_dir_symlink
282 # @USAGE: [directory="build"]
283 # @DESCRIPTION:
284 # Create build directory symlink.
285 python_set_build_dir_symlink() {
286 local dir="$1"
287
288 [[ -z "${PYTHON_ABI}" ]] && die "PYTHON_ABI variable not set"
289 [[ -z "${dir}" ]] && dir="build"
290
291 # Don't delete preexistent directories.
292 rm -f "${dir}" || die "Deletion of '${dir}' failed"
293 ln -s "${dir}-${PYTHON_ABI}" "${dir}" || die "Creation of '${dir}' directory symlink failed"
294 }
295
296 # @FUNCTION: python_execute_function
297 # @USAGE: [--action-message message] [-d|--default-function] [--failure-message message] [--nonfatal] [-q|--quiet] [-s|--separate-build-dirs] [--] <function> [arguments]
298 # @DESCRIPTION:
299 # Execute specified function for each value of PYTHON_ABIS, optionally passing additional
300 # arguments. The specified function can use PYTHON_ABI and BUILDDIR variables.
301 python_execute_function() {
302 local action action_message action_message_template= default_function="0" failure_message failure_message_template= function nonfatal="0" previous_directory previous_directory_stack previous_directory_stack_length PYTHON_ABI quiet="0" separate_build_dirs="0"
303
304 while (($#)); do
305 case "$1" in
306 --action-message)
307 action_message_template="$2"
308 shift
309 ;;
310 -d|--default-function)
311 default_function="1"
312 ;;
313 --failure-message)
314 failure_message_template="$2"
315 shift
316 ;;
317 --nonfatal)
318 nonfatal="1"
319 ;;
320 -q|--quiet)
321 quiet="1"
322 ;;
323 -s|--separate-build-dirs)
324 separate_build_dirs="1"
325 ;;
326 --)
327 break
328 ;;
329 -*)
330 die "${FUNCNAME}(): Unrecognized option '$1'"
331 ;;
332 *)
333 break
334 ;;
335 esac
336 shift
337 done
338
339 if [[ "${default_function}" == "0" ]]; then
340 if [[ "$#" -eq "0" ]]; then
341 die "${FUNCNAME}(): Missing function name"
342 fi
343 function="$1"
344 shift
345
346 if [[ -z "$(type -t "${function}")" ]]; then
347 die "${FUNCNAME}(): '${function}' function isn't defined"
348 fi
349 else
350 if [[ "$#" -ne "0" ]]; then
351 die "${FUNCNAME}(): '--default-function' option and function name cannot be specified simultaneously"
352 fi
353 if has "${EAPI:-0}" 0 1; then
354 die "${FUNCNAME}(): '--default-function' option cannot be used in this EAPI"
355 fi
356
357 if [[ "${EBUILD_PHASE}" == "configure" ]]; then
358 if has "${EAPI}" 2; then
359 python_default_function() {
360 econf
361 }
362 else
363 python_default_function() {
364 nonfatal econf
365 }
366 fi
367 elif [[ "${EBUILD_PHASE}" == "compile" ]]; then
368 python_default_function() {
369 emake
370 }
371 elif [[ "${EBUILD_PHASE}" == "test" ]]; then
372 python_default_function() {
373 if emake -j1 -n check &> /dev/null; then
374 emake -j1 check
375 elif emake -j1 -n test &> /dev/null; then
376 emake -j1 test
377 fi
378 }
379 elif [[ "${EBUILD_PHASE}" == "install" ]]; then
380 python_default_function() {
381 emake DESTDIR="${D}" install
382 }
383 else
384 die "${FUNCNAME}(): --default-function option cannot be used in this ebuild phase"
385 fi
386 function="python_default_function"
387 fi
388
389 if [[ "${quiet}" == "0" ]]; then
390 [[ "${EBUILD_PHASE}" == "setup" ]] && action="Setting up"
391 [[ "${EBUILD_PHASE}" == "unpack" ]] && action="Unpacking"
392 [[ "${EBUILD_PHASE}" == "prepare" ]] && action="Preparation"
393 [[ "${EBUILD_PHASE}" == "configure" ]] && action="Configuration"
394 [[ "${EBUILD_PHASE}" == "compile" ]] && action="Building"
395 [[ "${EBUILD_PHASE}" == "test" ]] && action="Testing"
396 [[ "${EBUILD_PHASE}" == "install" ]] && action="Installation"
397 [[ "${EBUILD_PHASE}" == "preinst" ]] && action="Preinstallation"
398 [[ "${EBUILD_PHASE}" == "postinst" ]] && action="Postinstallation"
399 [[ "${EBUILD_PHASE}" == "prerm" ]] && action="Preuninstallation"
400 [[ "${EBUILD_PHASE}" == "postrm" ]] && action="Postuninstallation"
401 fi
402
403 local RED GREEN BLUE NORMAL
404 if [[ "${NOCOLOR:-false}" =~ ^(false|no)$ ]]; then
405 RED=$'\e[1;31m'
406 GREEN=$'\e[1;32m'
407 BLUE=$'\e[1;34m'
408 NORMAL=$'\e[0m'
409 else
410 RED=
411 GREEN=
412 BLUE=
413 NORMAL=
414 fi
415
416 validate_PYTHON_ABIS
417 for PYTHON_ABI in ${PYTHON_ABIS}; do
418 if [[ "${quiet}" == "0" ]]; then
419 if [[ -n "${action_message_template}" ]]; then
420 action_message="$(eval echo -n "${action_message_template}")"
421 else
422 action_message="${action} of ${CATEGORY}/${PF} with Python ${PYTHON_ABI}..."
423 fi
424 echo " ${GREEN}*${NORMAL} ${BLUE}${action_message}${NORMAL}"
425 fi
426
427 if [[ "${separate_build_dirs}" == "1" ]]; then
428 export BUILDDIR="${S}-${PYTHON_ABI}"
429 pushd "${BUILDDIR}" > /dev/null || die "pushd failed"
430 else
431 export BUILDDIR="${S}"
432 fi
433
434 previous_directory="$(pwd)"
435 previous_directory_stack="$(dirs -p)"
436 previous_directory_stack_length="$(dirs -p | wc -l)"
437
438 if ! has "${EAPI}" 0 1 2 && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
439 EPYTHON="$(PYTHON)" nonfatal "${function}" "$@"
440 else
441 EPYTHON="$(PYTHON)" "${function}" "$@"
442 fi
443
444 if [[ "$?" != "0" ]]; then
445 if [[ -n "${failure_message_template}" ]]; then
446 failure_message="$(eval echo -n "${failure_message_template}")"
447 else
448 failure_message="${action} failed with Python ${PYTHON_ABI} in ${function}() function"
449 fi
450
451 if [[ "${nonfatal}" == "1" ]]; then
452 if [[ "${quiet}" == "0" ]]; then
453 ewarn "${RED}${failure_message}${NORMAL}"
454 fi
455 elif has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
456 if [[ "${EBUILD_PHASE}" != "test" ]] || ! has test-fail-continue ${FEATURES}; then
457 local ABI enabled_PYTHON_ABIS=
458 for ABI in ${PYTHON_ABIS}; do
459 [[ "${ABI}" != "${PYTHON_ABI}" ]] && enabled_PYTHON_ABIS+=" ${ABI}"
460 done
461 export PYTHON_ABIS="${enabled_PYTHON_ABIS# }"
462 fi
463 if [[ "${quiet}" == "0" ]]; then
464 ewarn "${RED}${failure_message}${NORMAL}"
465 fi
466 if [[ -z "${PYTHON_ABIS}" ]]; then
467 die "${function}() function failed with all enabled versions of Python"
468 fi
469 else
470 die "${failure_message}"
471 fi
472 fi
473
474 # Ensure that directory stack hasn't been decreased.
475 if [[ "$(dirs -p | wc -l)" -lt "${previous_directory_stack_length}" ]]; then
476 die "Directory stack decreased illegally"
477 fi
478
479 # Avoid side effects of earlier returning from the specified function.
480 while [[ "$(dirs -p | wc -l)" -gt "${previous_directory_stack_length}" ]]; do
481 popd > /dev/null || die "popd failed"
482 done
483
484 # Ensure that the bottom part of directory stack hasn't been changed. Restore
485 # previous directory (from before running of the specified function) before
486 # comparison of directory stacks to avoid mismatch of directory stacks after
487 # potential using of 'cd' to change current directory. Restoration of previous
488 # directory allows to safely use 'cd' to change current directory in the
489 # specified function without changing it back to original directory.
490 cd "${previous_directory}"
491 if [[ "$(dirs -p)" != "${previous_directory_stack}" ]]; then
492 die "Directory stack changed illegally"
493 fi
494
495 if [[ "${separate_build_dirs}" == "1" ]]; then
496 popd > /dev/null || die "popd failed"
497 fi
498 unset BUILDDIR
499 done
500
501 if [[ "${default_function}" == "1" ]]; then
502 unset -f python_default_function
503 fi
504 }
505
506
507 # @ECLASS-VARIABLE: PYTHON_USE_WITH
508 # @DESCRIPTION:
509 # Set this to a space separated list of use flags
510 # the python slot in use must be built with.
511
512 # @ECLASS-VARIABLE: PYTHON_USE_WITH_OR
513 # @DESCRIPTION:
514 # Set this to a space separated list of use flags
515 # of which one must be turned on for the slot of
516 # in use.
517
518 # @ECLASS-VARIABLE: PYTHON_USE_WITH_OPT
519 # @DESCRIPTION:
520 # Set this if you need to make either PYTHON_USE_WITH or
521 # PYTHON_USE_WITH_OR atoms conditional under a use flag.
522
523 # @FUNCTION: python_pkg_setup
524 # @DESCRIPTION:
525 # Makes sure PYTHON_USE_WITH or PYTHON_USE_WITH_OR listed use flags
526 # are respected. Only exported if one of those variables is set.
527 if ! has "${EAPI:-0}" 0 1 && [[ -n ${PYTHON_USE_WITH} || -n ${PYTHON_USE_WITH_OR} ]]; then
528 python_pkg_setup() {
529 python_pkg_setup_fail() {
530 eerror "${1}"
531 die "${1}"
532 }
533
534 [[ ${PYTHON_USE_WITH_OPT} ]] && use !${PYTHON_USE_WITH_OPT} && return
535
536 python_pkg_setup_check_USE_flags() {
537 local pyatom use
538 if [[ -n "${PYTHON_ABI}" ]]; then
539 pyatom="dev-lang/python:${PYTHON_ABI}"
540 else
541 python_version
542 pyatom="dev-lang/python:${PYVER}"
543 fi
544
545 for use in ${PYTHON_USE_WITH}; do
546 if ! has_version "${pyatom}[${use}]"; then
547 python_pkg_setup_fail "Please rebuild ${pyatom} with the following USE flags enabled: ${PYTHON_USE_WITH}"
548 fi
549 done
550
551 for use in ${PYTHON_USE_WITH_OR}; do
552 if has_version "${pyatom}[${use}]"; then
553 return
554 fi
555 done
556
557 if [[ ${PYTHON_USE_WITH_OR} ]]; then
558 python_pkg_setup_fail "Please rebuild ${pyatom} with at least one of the following USE flags enabled: ${PYTHON_USE_WITH_OR}"
559 fi
560 }
561
562 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
563 python_execute_function -q python_pkg_setup_check_USE_flags
564 else
565 python_pkg_setup_check_USE_flags
566 fi
567 }
568
569 EXPORT_FUNCTIONS pkg_setup
570
571 if [[ -n "${PYTHON_USE_WITH}" ]]; then
572 PYTHON_USE_WITH_ATOM="${PYTHON_ATOM}[${PYTHON_USE_WITH/ /,}]"
573 elif [[ -n "${PYTHON_USE_WITH_OR}" ]]; then
574 PYTHON_USE_WITH_ATOM="|| ( "
575 for use in ${PYTHON_USE_WITH_OR}; do
576 PYTHON_USE_WITH_ATOM+=" ${PYTHON_ATOM}[${use}]"
577 done
578 unset use
579 PYTHON_USE_WITH_ATOM+=" )"
580 fi
581 if [[ -n "${PYTHON_USE_WITH_OPT}" ]]; then
582 PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_OPT}? ( ${PYTHON_USE_WITH_ATOM} )"
583 fi
584 DEPEND+=" ${PYTHON_USE_WITH_ATOM}"
585 RDEPEND+=" ${PYTHON_USE_WITH_ATOM}"
586 fi
587
588 # @ECLASS-VARIABLE: PYTHON_DEFINE_DEFAULT_FUNCTIONS
589 # @DESCRIPTION:
590 # Set this to define default functions for the following ebuild phases:
591 # src_prepare, src_configure, src_compile, src_test, src_install.
592 if ! has "${EAPI:-0}" 0 1 && [[ -n "${PYTHON_DEFINE_DEFAULT_FUNCTIONS}" ]]; then
593 python_src_prepare() {
594 python_copy_sources
595 }
596
597 for python_default_function in src_configure src_compile src_test src_install; do
598 eval "python_${python_default_function}() { python_execute_function -d -s; }"
599 done
600 unset python_default_function
601
602 EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
603 fi
604
605 # @FUNCTION: python_disable_pyc
606 # @DESCRIPTION:
607 # Tell Python not to automatically recompile modules to .pyc/.pyo
608 # even if the timestamps/version stamps don't match. This is done
609 # to protect sandbox.
610 python_disable_pyc() {
611 export PYTHONDONTWRITEBYTECODE="1"
612 }
613
614 # @FUNCTION: python_enable_pyc
615 # @DESCRIPTION:
616 # Tell Python to automatically recompile modules to .pyc/.pyo if the
617 # timestamps/version stamps have changed.
618 python_enable_pyc() {
619 unset PYTHONDONTWRITEBYTECODE
620 }
621
622 python_disable_pyc
623
624 # @FUNCTION: python_need_rebuild
625 # @DESCRIPTION: Run without arguments, specifies that the package should be
626 # rebuilt after a python upgrade.
627 python_need_rebuild() {
628 python_version
629 export PYTHON_NEED_REBUILD=${PYVER}
630 }
631
632 # @FUNCTION: python_get_includedir
633 # @DESCRIPTION:
634 # Run without arguments, returns the Python include directory.
635 python_get_includedir() {
636 if [[ -n "${PYTHON_ABI}" ]]; then
637 echo "/usr/include/python${PYTHON_ABI}"
638 else
639 python_version
640 echo "/usr/include/python${PYVER}"
641 fi
642 }
643
644 # @FUNCTION: python_get_libdir
645 # @DESCRIPTION:
646 # Run without arguments, returns the Python library directory.
647 python_get_libdir() {
648 if [[ -n "${PYTHON_ABI}" ]]; then
649 echo "/usr/$(get_libdir)/python${PYTHON_ABI}"
650 else
651 python_version
652 echo "/usr/$(get_libdir)/python${PYVER}"
653 fi
654 }
655
656 # @FUNCTION: python_get_sitedir
657 # @DESCRIPTION:
658 # Run without arguments, returns the Python site-packages directory.
659 python_get_sitedir() {
660 echo "$(python_get_libdir)/site-packages"
661 }
662
663 # @FUNCTION: python_tkinter_exists
664 # @DESCRIPTION:
665 # Run without arguments, checks if python was compiled with Tkinter
666 # support. If not, prints an error message and dies.
667 python_tkinter_exists() {
668 if ! python -c "import Tkinter" >/dev/null 2>&1; then
669 eerror "You need to recompile python with Tkinter support."
670 eerror "Try adding: 'dev-lang/python tk'"
671 eerror "in to /etc/portage/package.use"
672 echo
673 die "missing tkinter support with installed python"
674 fi
675 }
676
677 # @FUNCTION: python_mod_exists
678 # @USAGE: <module>
679 # @DESCRIPTION:
680 # Run with the module name as an argument. it will check if a
681 # python module is installed and loadable. it will return
682 # TRUE(0) if the module exists, and FALSE(1) if the module does
683 # not exist.
684 #
685 # Example:
686 # if python_mod_exists gtk; then
687 # echo "gtk support enabled"
688 # fi
689 python_mod_exists() {
690 [[ "$1" ]] || die "${FUNCNAME} requires an argument!"
691 python -c "import $1" &>/dev/null
692 }
693
694 # @FUNCTION: python_mod_compile
695 # @USAGE: <file> [more files ...]
696 # @DESCRIPTION:
697 # Given filenames, it will pre-compile the module's .pyc and .pyo.
698 # This function should only be run in pkg_postinst()
699 #
700 # Example:
701 # python_mod_compile /usr/lib/python2.3/site-packages/pygoogle.py
702 #
703 python_mod_compile() {
704 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
705 die "${FUNCNAME}() cannot be used in this EAPI"
706 fi
707
708 local f myroot myfiles=()
709
710 # Check if phase is pkg_postinst()
711 [[ ${EBUILD_PHASE} != postinst ]] &&\
712 die "${FUNCNAME} should only be run in pkg_postinst()"
713
714 # allow compiling for older python versions
715 if [[ "${PYTHON_OVERRIDE_PYVER}" ]]; then
716 PYVER=${PYTHON_OVERRIDE_PYVER}
717 else
718 python_version
719 fi
720
721 # strip trailing slash
722 myroot="${ROOT%/}"
723
724 # respect ROOT
725 for f in "$@"; do
726 [[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}")
727 done
728
729 if ((${#myfiles[@]})); then
730 python${PYVER} ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}"
731 python${PYVER} -O ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}" &> /dev/null
732 else
733 ewarn "No files to compile!"
734 fi
735 }
736
737 # @FUNCTION: python_mod_optimize
738 # @USAGE: [options] [directory|file]
739 # @DESCRIPTION:
740 # If no arguments supplied, it will recompile not recursively all modules
741 # under sys.path (eg. /usr/lib/python2.6, /usr/lib/python2.6/site-packages).
742 #
743 # If supplied with arguments, it will recompile all modules recursively
744 # in the supplied directory.
745 # This function should only be run in pkg_postinst().
746 #
747 # Options passed to this function are passed to compileall.py.
748 #
749 # Example:
750 # python_mod_optimize ctypesgencore
751 python_mod_optimize() {
752 # Check if phase is pkg_postinst().
753 [[ ${EBUILD_PHASE} != "postinst" ]] && die "${FUNCNAME} should only be run in pkg_postinst()"
754
755 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
756 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=()
757
758 # Strip trailing slash from ROOT.
759 root="${ROOT%/}"
760
761 # Respect ROOT and options passed to compileall.py.
762 while (($#)); do
763 case "$1" in
764 -l|-f|-q)
765 options+=("$1")
766 ;;
767 -d|-x)
768 options+=("$1" "$2")
769 shift
770 ;;
771 -*)
772 ewarn "${FUNCNAME}: Ignoring compile option $1"
773 ;;
774 *)
775 if [[ "$1" =~ ^/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
776 die "${FUNCNAME} doesn't support absolute paths of directories/files in site-packages directories"
777 elif [[ "$1" =~ ^/ ]]; then
778 if [[ -d "${root}/$1" ]]; then
779 other_dirs+=("${root}/$1")
780 elif [[ -f "${root}/$1" ]]; then
781 other_files+=("${root}/$1")
782 elif [[ -e "${root}/$1" ]]; then
783 ewarn "'${root}/$1' is not a file or a directory!"
784 else
785 ewarn "'${root}/$1' doesn't exist!"
786 fi
787 else
788 for PYTHON_ABI in ${PYTHON_ABIS}; do
789 if [[ -d "${root}$(python_get_sitedir)/$1" ]]; then
790 site_packages_dirs+=("$1")
791 break
792 elif [[ -f "${root}$(python_get_sitedir)/$1" ]]; then
793 site_packages_files+=("$1")
794 break
795 elif [[ -e "${root}$(python_get_sitedir)/$1" ]]; then
796 ewarn "'$1' is not a file or a directory!"
797 else
798 ewarn "'$1' doesn't exist!"
799 fi
800 done
801 fi
802 ;;
803 esac
804 shift
805 done
806
807 # Set additional options.
808 options+=("-q")
809
810 for PYTHON_ABI in ${PYTHON_ABIS}; do
811 if ((${#site_packages_dirs[@]})) || ((${#site_packages_files[@]})); then
812 return_code="0"
813 ebegin "Compilation and optimization of Python modules for Python ${PYTHON_ABI}"
814 if ((${#site_packages_dirs[@]})); then
815 for dir in "${site_packages_dirs[@]}"; do
816 site_packages_absolute_dirs+=("${root}$(python_get_sitedir)/${dir}")
817 done
818 "$(PYTHON)" "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" || return_code="1"
819 "$(PYTHON)" -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" &> /dev/null || return_code="1"
820 fi
821 if ((${#site_packages_files[@]})); then
822 for file in "${site_packages_files[@]}"; do
823 site_packages_absolute_files+=("${root}$(python_get_sitedir)/${file}")
824 done
825 "$(PYTHON)" "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" || return_code="1"
826 "$(PYTHON)" -O "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" &> /dev/null || return_code="1"
827 fi
828 eend "${return_code}"
829 fi
830 unset site_packages_absolute_dirs site_packages_absolute_files
831 done
832
833 # Don't use PYTHON_ABI in next calls to python_get_libdir().
834 unset PYTHON_ABI
835
836 if ((${#other_dirs[@]})) || ((${#other_files[@]})); then
837 return_code="0"
838 ebegin "Compilation and optimization of Python modules placed outside of site-packages directories for Python ${PYVER}..."
839 if ((${#other_dirs[@]})); then
840 python${PYVER} "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" || return_code="1"
841 python${PYVER} -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" &> /dev/null || return_code="1"
842 fi
843 if ((${#other_files[@]})); then
844 python${PYVER} "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" || return_code="1"
845 python${PYVER} -O "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" &> /dev/null || return_code="1"
846 fi
847 eend "${return_code}"
848 fi
849 else
850 local myroot mydirs=() myfiles=() myopts=() return_code="0"
851
852 # strip trailing slash
853 myroot="${ROOT%/}"
854
855 # respect ROOT and options passed to compileall.py
856 while (($#)); do
857 case "$1" in
858 -l|-f|-q)
859 myopts+=("$1")
860 ;;
861 -d|-x)
862 myopts+=("$1" "$2")
863 shift
864 ;;
865 -*)
866 ewarn "${FUNCNAME}: Ignoring compile option $1"
867 ;;
868 *)
869 if [[ -d "${myroot}"/$1 ]]; then
870 mydirs+=("${myroot}/$1")
871 elif [[ -f "${myroot}"/$1 ]]; then
872 # Files are passed to python_mod_compile which is ROOT-aware
873 myfiles+=("$1")
874 elif [[ -e "${myroot}/$1" ]]; then
875 ewarn "${myroot}/$1 is not a file or directory!"
876 else
877 ewarn "${myroot}/$1 doesn't exist!"
878 fi
879 ;;
880 esac
881 shift
882 done
883
884 # allow compiling for older python versions
885 if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
886 PYVER=${PYTHON_OVERRIDE_PYVER}
887 else
888 python_version
889 fi
890
891 # set additional opts
892 myopts+=(-q)
893
894 ebegin "Byte compiling python modules for python-${PYVER} .."
895 if ((${#mydirs[@]})); then
896 python${PYVER} \
897 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
898 "${myopts[@]}" "${mydirs[@]}" || return_code="1"
899 python${PYVER} -O \
900 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
901 "${myopts[@]}" "${mydirs[@]}" &> /dev/null || return_code="1"
902 fi
903
904 if ((${#myfiles[@]})); then
905 python_mod_compile "${myfiles[@]}"
906 fi
907
908 eend "${return_code}"
909 fi
910 }
911
912 # @FUNCTION: python_mod_cleanup
913 # @USAGE: [directory]
914 # @DESCRIPTION:
915 # Run with optional arguments, where arguments are directories of
916 # python modules. If none given, it will look in /usr/lib/python[0-9].[0-9].
917 #
918 # It will recursively scan all compiled Python modules in the directories and
919 # determine if they are orphaned (i.e. their corresponding .py files are missing.)
920 # If they are, then it will remove their corresponding .pyc and .pyo files.
921 #
922 # This function should only be run in pkg_postrm().
923 python_mod_cleanup() {
924 local PYTHON_ABI SEARCH_PATH=() root src_py
925
926 # Check if phase is pkg_postrm().
927 [[ ${EBUILD_PHASE} != "postrm" ]] && die "${FUNCNAME} should only be run in pkg_postrm()"
928
929 # Strip trailing slash from ROOT.
930 root="${ROOT%/}"
931
932 if (($#)); then
933 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
934 while (($#)); do
935 if [[ "$1" =~ ^/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
936 die "${FUNCNAME} doesn't support absolute paths of directories/files in site-packages directories"
937 elif [[ "$1" =~ ^/ ]]; then
938 SEARCH_PATH+=("${root}/${1#/}")
939 else
940 for PYTHON_ABI in ${PYTHON_ABIS}; do
941 SEARCH_PATH+=("${root}$(python_get_sitedir)/$1")
942 done
943 fi
944 shift
945 done
946 else
947 SEARCH_PATH=("${@#/}")
948 SEARCH_PATH=("${SEARCH_PATH[@]/#/${root}/}")
949 fi
950 else
951 SEARCH_PATH=("${root}"/usr/lib*/python*/site-packages)
952 fi
953
954 for path in "${SEARCH_PATH[@]}"; do
955 [[ ! -d "${path}" ]] && continue
956 einfo "Cleaning orphaned Python bytecode from ${path} .."
957 find "${path}" -name '*.py[co]' -print0 | while read -rd ''; do
958 src_py="${REPLY%[co]}"
959 [[ -f "${src_py}" || (! -f "${src_py}c" && ! -f "${src_py}o") ]] && continue
960 einfo "Purging ${src_py}[co]"
961 rm -f "${src_py}"[co]
962 done
963
964 # Attempt to remove directories that may be empty.
965 find "${path}" -type d | sort -r | while read -r dir; do
966 rmdir "${dir}" 2>/dev/null && einfo "Removing empty directory ${dir}"
967 done
968 done
969 }

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