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Revision 1.66 Revision 1.78
1# Copyright 1999-2009 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 1.66 2009/08/28 16:08:51 arfrever Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.78 2009/11/15 14:25:55 arfrever Exp $
4 4
5# @ECLASS: python.eclass 5# @ECLASS: python.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# python@gentoo.org 7# python@gentoo.org
8#
9# original author: Alastair Tse <liquidx@gentoo.org>
10# @BLURB: A Utility Eclass that should be inherited by anything that deals with Python or Python modules. 8# @BLURB: A utility eclass that should be inherited by anything that deals with Python or Python modules.
11# @DESCRIPTION: 9# @DESCRIPTION:
12# Some useful functions for dealing with Python. 10# Some useful functions for dealing with Python.
13 11
14inherit multilib 12inherit multilib
15 13
16if [[ -n "${NEED_PYTHON}" ]] ; then 14if [[ -n "${NEED_PYTHON}" ]]; then
17 PYTHON_ATOM=">=dev-lang/python-${NEED_PYTHON}" 15 PYTHON_ATOM=">=dev-lang/python-${NEED_PYTHON}"
18 DEPEND="${PYTHON_ATOM}" 16 DEPEND="${PYTHON_ATOM}"
19 RDEPEND="${DEPEND}" 17 RDEPEND="${DEPEND}"
20else 18else
21 PYTHON_ATOM="dev-lang/python" 19 PYTHON_ATOM="dev-lang/python"
22fi 20fi
23 21
24DEPEND="${DEPEND} >=app-shells/bash-3.2"
25if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
26 DEPEND="${DEPEND} >=app-admin/eselect-python-20090804" 22DEPEND+=" >=app-admin/eselect-python-20090804
27fi 23 >=app-shells/bash-3.2"
28 24
29__python_eclass_test() { 25__python_eclass_test() {
30 __python_version_extract 2.3 26 __python_version_extract 2.3
31 echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR" 27 echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
32 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO" 28 echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
66 export PYVER_ALL="${tmpstr#Python }" 62 export PYVER_ALL="${tmpstr#Python }"
67 __python_version_extract $PYVER_ALL 63 __python_version_extract $PYVER_ALL
68} 64}
69 65
70# @FUNCTION: PYTHON 66# @FUNCTION: PYTHON
71# @USAGE: [-a|--absolute-path] <Python_ABI="${PYTHON_ABI}"> 67# @USAGE: [-a|--absolute-path] [--] <Python_ABI="${PYTHON_ABI}">
72# @DESCRIPTION: 68# @DESCRIPTION:
73# Get Python interpreter filename for specified Python ABI. If Python_ABI argument 69# Get Python interpreter filename for specified Python ABI. If Python_ABI argument
74# is ommitted, then PYTHON_ABI environment variable must be set and is used. 70# is ommitted, then PYTHON_ABI environment variable must be set and is used.
75PYTHON() { 71PYTHON() {
76 local absolute_path="0" slot= 72 local absolute_path="0" slot=
77 73
78 while (($#)); do 74 while (($#)); do
79 case "$1" in 75 case "$1" in
80 -a|--absolute-path) 76 -a|--absolute-path)
81 absolute_path="1" 77 absolute_path="1"
78 ;;
79 --)
80 break
82 ;; 81 ;;
83 -*) 82 -*)
84 die "${FUNCNAME}(): Unrecognized option $1" 83 die "${FUNCNAME}(): Unrecognized option $1"
85 ;; 84 ;;
86 *) 85 *)
105 if [[ "${absolute_path}" == "1" ]]; then 104 if [[ "${absolute_path}" == "1" ]]; then
106 echo -n "/usr/bin/python${slot}" 105 echo -n "/usr/bin/python${slot}"
107 else 106 else
108 echo -n "python${slot}" 107 echo -n "python${slot}"
109 fi 108 fi
109
110 if [[ "${ABI}" != "${DEFAULT_ABI}" ]]; then
111 echo -n "-${ABI}"
112 fi
110} 113}
114
115unset PYTHON_ABIS
116unset PYTHON_ABIS_SANITY_CHECKS
111 117
112# @FUNCTION: validate_PYTHON_ABIS 118# @FUNCTION: validate_PYTHON_ABIS
113# @DESCRIPTION: 119# @DESCRIPTION:
114# Make sure PYTHON_ABIS variable has valid value. 120# Ensure that PYTHON_ABIS variable has valid value.
115validate_PYTHON_ABIS() { 121validate_PYTHON_ABIS() {
116 # Ensure that some functions cannot be accidentally successfully used in EAPI <= 2 without setting SUPPORT_PYTHON_ABIS variable. 122 # Ensure that some functions cannot be accidentally successfully used in EAPI <= 2 without setting SUPPORT_PYTHON_ABIS variable.
117 if has "${EAPI:-0}" 0 1 2 && [[ -z "${SUPPORT_PYTHON_ABIS}" ]]; then 123 if has "${EAPI:-0}" 0 1 2 && [[ -z "${SUPPORT_PYTHON_ABIS}" ]]; then
118 die "${FUNCNAME}() cannot be used in this EAPI without setting SUPPORT_PYTHON_ABIS variable" 124 die "${FUNCNAME}() cannot be used in this EAPI without setting SUPPORT_PYTHON_ABIS variable"
119 fi 125 fi
125 if [[ "$(</usr/bin/python-config)" != *"Gentoo python-config wrapper script"* ]]; then 131 if [[ "$(</usr/bin/python-config)" != *"Gentoo python-config wrapper script"* ]]; then
126 die "'/usr/bin/python-config' isn't valid script" 132 die "'/usr/bin/python-config' isn't valid script"
127 fi 133 fi
128 134
129 # USE_${ABI_TYPE^^} and RESTRICT_${ABI_TYPE^^}_ABIS variables hopefully will be included in EAPI >= 4. 135 # USE_${ABI_TYPE^^} and RESTRICT_${ABI_TYPE^^}_ABIS variables hopefully will be included in EAPI >= 4.
130 if [[ -z "${PYTHON_ABIS}" ]] && has "${EAPI:-0}" 0 1 2 3; then 136 if [[ "$(declare -p PYTHON_ABIS 2> /dev/null)" != "declare -x PYTHON_ABIS="* ]] && has "${EAPI:-0}" 0 1 2 3; then
131 local ABI support_ABI supported_PYTHON_ABIS= restricted_ABI 137 local PYTHON_ABI python2_supported_versions python3_supported_versions restricted_ABI support_ABI supported_PYTHON_ABIS=
132 PYTHON_ABI_SUPPORTED_VALUES="2.4 2.5 2.6 2.7 3.0 3.1 3.2" 138 PYTHON_ABI_SUPPORTED_VALUES="2.4 2.5 2.6 2.7 3.0 3.1 3.2"
139 python2_supported_versions="2.4 2.5 2.6 2.7"
140 python3_supported_versions="3.0 3.1 3.2"
141
142 if [[ "$(declare -p USE_PYTHON 2> /dev/null)" == "declare -x USE_PYTHON="* ]]; then
143 local python2_enabled="0" python3_enabled="0"
144
145 if [[ -z "${USE_PYTHON}" ]]; then
146 die "USE_PYTHON variable is empty"
147 fi
148
133 for ABI in ${USE_PYTHON}; do 149 for PYTHON_ABI in ${USE_PYTHON}; do
134 if ! has "${ABI}" ${PYTHON_ABI_SUPPORTED_VALUES}; then 150 if ! has "${PYTHON_ABI}" ${PYTHON_ABI_SUPPORTED_VALUES}; then
135 ewarn "Ignoring unsupported Python ABI '${ABI}'" 151 die "USE_PYTHON variable contains invalid value '${PYTHON_ABI}'"
136 continue
137 fi 152 fi
153
154 if has "${PYTHON_ABI}" ${python2_supported_versions}; then
155 python2_enabled="1"
156 fi
157 if has "${PYTHON_ABI}" ${python3_supported_versions}; then
158 python3_enabled="1"
159 fi
160
138 support_ABI="1" 161 support_ABI="1"
139 if [[ -z "${IGNORE_RESTRICT_PYTHON_ABIS}" ]]; then
140 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do 162 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
141 if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then 163 if [[ "${PYTHON_ABI}" == ${restricted_ABI} ]]; then
142 support_ABI="0" 164 support_ABI="0"
143 break 165 break
144 fi 166 fi
145 done 167 done
146 fi
147 [[ "${support_ABI}" == "1" ]] && supported_PYTHON_ABIS+=" ${ABI}" 168 [[ "${support_ABI}" == "1" ]] && supported_PYTHON_ABIS+=" ${PYTHON_ABI}"
169 done
170 export PYTHON_ABIS="${supported_PYTHON_ABIS# }"
171
172 if [[ -z "${PYTHON_ABIS//[${IFS}]/}" ]]; then
173 die "USE_PYTHON variable doesn't enable any version of Python supported by ${CATEGORY}/${PF}"
174 fi
175
176 if [[ "${python2_enabled}" == "0" ]]; then
177 ewarn "USE_PYTHON variable doesn't enable any version of Python 2. This configuration is unsupported."
178 fi
179 if [[ "${python3_enabled}" == "0" ]]; then
180 ewarn "USE_PYTHON variable doesn't enable any version of Python 3. This configuration is unsupported."
181 fi
182 else
183 local python_version python2_version= python3_version= support_python_major_version
184
185 python_version="$(/usr/bin/python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
186
187 if has_version "=dev-lang/python-2*"; then
188 if [[ "$(readlink /usr/bin/python2)" != "python2."* ]]; then
189 die "'/usr/bin/python2' isn't valid symlink"
190 fi
191
192 python2_version="$(/usr/bin/python2 -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
193
194 for PYTHON_ABI in ${python2_supported_versions}; do
195 support_python_major_version="1"
196 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
197 if [[ "${PYTHON_ABI}" == ${restricted_ABI} ]]; then
198 support_python_major_version="0"
199 fi
200 done
201 [[ "${support_python_major_version}" == "1" ]] && break
202 done
203 if [[ "${support_python_major_version}" == "1" ]]; then
204 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
205 if [[ "${python2_version}" == ${restricted_ABI} ]]; then
206 die "Active version of Python 2 isn't supported by ${CATEGORY}/${PF}"
207 fi
208 done
209 else
210 python2_version=""
211 fi
212 fi
213
214 if has_version "=dev-lang/python-3*"; then
215 if [[ "$(readlink /usr/bin/python3)" != "python3."* ]]; then
216 die "'/usr/bin/python3' isn't valid symlink"
217 fi
218
219 python3_version="$(/usr/bin/python3 -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')"
220
221 for PYTHON_ABI in ${python3_supported_versions}; do
222 support_python_major_version="1"
223 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
224 if [[ "${PYTHON_ABI}" == ${restricted_ABI} ]]; then
225 support_python_major_version="0"
226 fi
227 done
228 [[ "${support_python_major_version}" == "1" ]] && break
229 done
230 if [[ "${support_python_major_version}" == "1" ]]; then
231 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
232 if [[ "${python3_version}" == ${restricted_ABI} ]]; then
233 die "Active version of Python 3 isn't supported by ${CATEGORY}/${PF}"
234 fi
235 done
236 else
237 python3_version=""
238 fi
239 fi
240
241 if ! has "${python_version}" "${python2_version}" "${python3_version}"; then
242 eerror "Python wrapper is configured incorrectly or /usr/bin/python2 or /usr/bin/python3 symlink"
243 eerror "is set incorrectly. Use \`eselect python\` to fix configuration."
244 die "Incorrect configuration of Python"
245 fi
246
247 PYTHON_ABIS="${python2_version} ${python3_version}"
248 PYTHON_ABIS="${PYTHON_ABIS# }"
249 export PYTHON_ABIS="${PYTHON_ABIS% }"
250 fi
251 fi
252
253 if [[ "$(declare -p PYTHON_ABIS_SANITY_CHECKS 2> /dev/null)" != "declare -- PYTHON_ABIS_SANITY_CHECKS="* ]]; then
254 local PYTHON_ABI
255 for PYTHON_ABI in ${PYTHON_ABIS}; do
256 # Ensure that appropriate Python version is installed.
257 if ! has_version "dev-lang/python:${PYTHON_ABI}"; then
258 die "dev-lang/python:${PYTHON_ABI} isn't installed"
259 fi
260
261 # Ensure that EPYTHON variable is respected.
262 if [[ "$(EPYTHON="$(PYTHON)" python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')" != "${PYTHON_ABI}" ]]; then
263 die "'python' doesn't respect EPYTHON variable"
264 fi
148 done 265 done
149 export PYTHON_ABIS="${supported_PYTHON_ABIS# }" 266 PYTHON_ABIS_SANITY_CHECKS="1"
150 fi
151
152 if [[ -z "${PYTHON_ABIS//[${IFS}]/}" ]]; then
153 python_version
154 export PYTHON_ABIS="${PYVER}"
155 fi
156
157 # Ensure that EPYTHON variable is respected.
158 local PYTHON_ABI
159 for PYTHON_ABI in ${PYTHON_ABIS}; do
160 if [[ "$(EPYTHON="$(PYTHON)" python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')" != "${PYTHON_ABI}" ]]; then
161 die "'python' doesn't respect EPYTHON variable"
162 fi 267 fi
163 done
164} 268}
165 269
166# @FUNCTION: python_copy_sources 270# @FUNCTION: python_copy_sources
167# @USAGE: [directory] 271# @USAGE: [--no-link] [--] [directory]
168# @DESCRIPTION: 272# @DESCRIPTION:
169# Copy unpacked sources of given package for each Python ABI. 273# Copy unpacked sources of given package for each Python ABI.
170python_copy_sources() { 274python_copy_sources() {
171 local dir dirs=() PYTHON_ABI 275 local dir dirs=() no_link="0" PYTHON_ABI
276
277 while (($#)); do
278 case "$1" in
279 --no-link)
280 no_link="1"
281 ;;
282 --)
283 break
284 ;;
285 -*)
286 die "${FUNCNAME}(): Unrecognized option '$1'"
287 ;;
288 *)
289 break
290 ;;
291 esac
292 shift
293 done
172 294
173 if [[ "$#" -eq "0" ]]; then 295 if [[ "$#" -eq "0" ]]; then
174 if [[ "${WORKDIR}" == "${S}" ]]; then 296 if [[ "${WORKDIR}" == "${S}" ]]; then
175 die "${FUNCNAME}() cannot be used" 297 die "${FUNCNAME}() cannot be used"
176 fi 298 fi
180 fi 302 fi
181 303
182 validate_PYTHON_ABIS 304 validate_PYTHON_ABIS
183 for PYTHON_ABI in ${PYTHON_ABIS}; do 305 for PYTHON_ABI in ${PYTHON_ABIS}; do
184 for dir in "${dirs[@]}"; do 306 for dir in "${dirs[@]}"; do
307 if [[ "${no_link}" == "1" ]]; then
308 cp -pr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
309 else
185 cp -lpr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed" 310 cp -lpr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
311 fi
186 done 312 done
187 done 313 done
188} 314}
189 315
190# @FUNCTION: python_set_build_dir_symlink 316# @FUNCTION: python_set_build_dir_symlink
201 rm -f "${dir}" || die "Deletion of '${dir}' failed" 327 rm -f "${dir}" || die "Deletion of '${dir}' failed"
202 ln -s "${dir}-${PYTHON_ABI}" "${dir}" || die "Creation of '${dir}' directory symlink failed" 328 ln -s "${dir}-${PYTHON_ABI}" "${dir}" || die "Creation of '${dir}' directory symlink failed"
203} 329}
204 330
205# @FUNCTION: python_execute_function 331# @FUNCTION: python_execute_function
206# @USAGE: [--action-message message] [-d|--default-function] [--failure-message message] [--nonfatal] [-q|--quiet] [-s|--separate-build-dirs] <function> [arguments] 332# @USAGE: [--action-message message] [-d|--default-function] [--failure-message message] [--nonfatal] [-q|--quiet] [-s|--separate-build-dirs] [--] <function> [arguments]
207# @DESCRIPTION: 333# @DESCRIPTION:
208# Execute specified function for each value of PYTHON_ABIS, optionally passing additional 334# Execute specified function for each value of PYTHON_ABIS, optionally passing additional
209# arguments. The specified function can use PYTHON_ABI and BUILDDIR variables. 335# arguments. The specified function can use PYTHON_ABI and BUILDDIR variables.
210python_execute_function() { 336python_execute_function() {
211 local action action_message action_message_template= default_function="0" failure_message failure_message_template= function nonfatal="0" PYTHON_ABI quiet="0" separate_build_dirs="0" 337 local action action_message action_message_template= default_function="0" failure_message failure_message_template= function nonfatal="0" previous_directory previous_directory_stack previous_directory_stack_length PYTHON_ABI quiet="0" separate_build_dirs="0"
212 338
213 while (($#)); do 339 while (($#)); do
214 case "$1" in 340 case "$1" in
215 --action-message) 341 --action-message)
216 action_message_template="$2" 342 action_message_template="$2"
230 quiet="1" 356 quiet="1"
231 ;; 357 ;;
232 -s|--separate-build-dirs) 358 -s|--separate-build-dirs)
233 separate_build_dirs="1" 359 separate_build_dirs="1"
234 ;; 360 ;;
361 --)
362 break
363 ;;
235 -*) 364 -*)
236 die "${FUNCNAME}(): Unrecognized option $1" 365 die "${FUNCNAME}(): Unrecognized option '$1'"
237 ;; 366 ;;
238 *) 367 *)
239 break 368 break
240 ;; 369 ;;
241 esac 370 esac
246 if [[ "$#" -eq "0" ]]; then 375 if [[ "$#" -eq "0" ]]; then
247 die "${FUNCNAME}(): Missing function name" 376 die "${FUNCNAME}(): Missing function name"
248 fi 377 fi
249 function="$1" 378 function="$1"
250 shift 379 shift
380
381 if [[ -z "$(type -t "${function}")" ]]; then
382 die "${FUNCNAME}(): '${function}' function isn't defined"
383 fi
251 else 384 else
252 if [[ "$#" -ne "0" ]]; then 385 if [[ "$#" -ne "0" ]]; then
253 die "${FUNCNAME}(): --default-function option and function name cannot be specified simultaneously" 386 die "${FUNCNAME}(): '--default-function' option and function name cannot be specified simultaneously"
254 fi 387 fi
255 if has "${EAPI:-0}" 0 1; then 388 if has "${EAPI:-0}" 0 1; then
256 die "${FUNCNAME}(): --default-function option cannot be used in this EAPI" 389 die "${FUNCNAME}(): '--default-function' option cannot be used in this EAPI"
257 fi 390 fi
258 391
259 if [[ "${EBUILD_PHASE}" == "configure" ]]; then 392 if [[ "${EBUILD_PHASE}" == "configure" ]]; then
260 if has "${EAPI}" 2; then 393 if has "${EAPI}" 2; then
261 python_default_function() { 394 python_default_function() {
331 pushd "${BUILDDIR}" > /dev/null || die "pushd failed" 464 pushd "${BUILDDIR}" > /dev/null || die "pushd failed"
332 else 465 else
333 export BUILDDIR="${S}" 466 export BUILDDIR="${S}"
334 fi 467 fi
335 468
469 previous_directory="$(pwd)"
470 previous_directory_stack="$(dirs -p)"
471 previous_directory_stack_length="$(dirs -p | wc -l)"
472
336 if ! has "${EAPI}" 0 1 2 && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then 473 if ! has "${EAPI}" 0 1 2 && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
337 EPYTHON="$(PYTHON)" nonfatal "${function}" "$@" 474 EPYTHON="$(PYTHON)" nonfatal "${function}" "$@"
338 else 475 else
339 EPYTHON="$(PYTHON)" "${function}" "$@" 476 EPYTHON="$(PYTHON)" "${function}" "$@"
340 fi 477 fi
344 failure_message="$(eval echo -n "${failure_message_template}")" 481 failure_message="$(eval echo -n "${failure_message_template}")"
345 else 482 else
346 failure_message="${action} failed with Python ${PYTHON_ABI} in ${function}() function" 483 failure_message="${action} failed with Python ${PYTHON_ABI} in ${function}() function"
347 fi 484 fi
348 485
349 if [[ "${nonfatal}" == "1" ]] || has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then 486 if [[ "${nonfatal}" == "1" ]]; then
350 local ABI enabled_PYTHON_ABIS
351 for ABI in ${PYTHON_ABIS}; do
352 [[ "${ABI}" != "${PYTHON_ABI}" ]] && enabled_PYTHON_ABIS+=" ${ABI}"
353 done
354 export PYTHON_ABIS="${enabled_PYTHON_ABIS# }"
355 if [[ "${quiet}" == "0" ]]; then 487 if [[ "${quiet}" == "0" ]]; then
356 ewarn "${RED}${failure_message}${NORMAL}" 488 ewarn "${RED}${failure_message}${NORMAL}"
357 fi 489 fi
490 elif has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
491 if [[ "${EBUILD_PHASE}" != "test" ]] || ! has test-fail-continue ${FEATURES}; then
492 local enabled_PYTHON_ABIS= other_PYTHON_ABI
493 for other_PYTHON_ABI in ${PYTHON_ABIS}; do
494 [[ "${other_PYTHON_ABI}" != "${PYTHON_ABI}" ]] && enabled_PYTHON_ABIS+=" ${other_PYTHON_ABI}"
495 done
496 export PYTHON_ABIS="${enabled_PYTHON_ABIS# }"
497 fi
498 if [[ "${quiet}" == "0" ]]; then
499 ewarn "${RED}${failure_message}${NORMAL}"
500 fi
501 if [[ -z "${PYTHON_ABIS}" ]]; then
502 die "${function}() function failed with all enabled versions of Python"
503 fi
358 else 504 else
359 die "${failure_message}" 505 die "${failure_message}"
360 fi 506 fi
361 fi 507 fi
362 508
509 # Ensure that directory stack hasn't been decreased.
510 if [[ "$(dirs -p | wc -l)" -lt "${previous_directory_stack_length}" ]]; then
511 die "Directory stack decreased illegally"
512 fi
513
514 # Avoid side effects of earlier returning from the specified function.
515 while [[ "$(dirs -p | wc -l)" -gt "${previous_directory_stack_length}" ]]; do
516 popd > /dev/null || die "popd failed"
517 done
518
519 # Ensure that the bottom part of directory stack hasn't been changed. Restore
520 # previous directory (from before running of the specified function) before
521 # comparison of directory stacks to avoid mismatch of directory stacks after
522 # potential using of 'cd' to change current directory. Restoration of previous
523 # directory allows to safely use 'cd' to change current directory in the
524 # specified function without changing it back to original directory.
525 cd "${previous_directory}"
526 if [[ "$(dirs -p)" != "${previous_directory_stack}" ]]; then
527 die "Directory stack changed illegally"
528 fi
529
363 if [[ "${separate_build_dirs}" == "1" ]]; then 530 if [[ "${separate_build_dirs}" == "1" ]]; then
364 popd > /dev/null || die "popd failed" 531 popd > /dev/null || die "popd failed"
365 fi 532 fi
366 unset BUILDDIR 533 unset BUILDDIR
367 done 534 done
369 if [[ "${default_function}" == "1" ]]; then 536 if [[ "${default_function}" == "1" ]]; then
370 unset -f python_default_function 537 unset -f python_default_function
371 fi 538 fi
372} 539}
373 540
541# @FUNCTION: python_convert_shebangs
542# @USAGE: [-q|--quiet] [-r|--recursive] [-x|--only-executables] [--] <Python_version> <file|directory> [files|directories]
543# @DESCRIPTION:
544# Convert shebangs in specified files. Directories can be specified only with --recursive option.
545python_convert_shebangs() {
546 local argument file files=() only_executables="0" python_version quiet="0" recursive="0"
547
548 while (($#)); do
549 case "$1" in
550 -r|--recursive)
551 recursive="1"
552 ;;
553 -q|--quiet)
554 quiet="1"
555 ;;
556 -x|--only-executables)
557 only_executables="1"
558 ;;
559 --)
560 break
561 ;;
562 -*)
563 die "${FUNCNAME}(): Unrecognized option '$1'"
564 ;;
565 *)
566 break
567 ;;
568 esac
569 shift
570 done
571
572 if [[ "$#" -eq 0 ]]; then
573 die "${FUNCNAME}(): Missing Python version and files or directories"
574 elif [[ "$#" -eq 1 ]]; then
575 die "${FUNCNAME}(): Missing files or directories"
576 fi
577
578 python_version="$1"
579 shift
580
581 for argument in "$@"; do
582 if [[ ! -e "${argument}" ]]; then
583 die "${FUNCNAME}(): '${argument}' doesn't exist"
584 elif [[ -f "${argument}" ]]; then
585 files+=("${argument}")
586 elif [[ -d "${argument}" ]]; then
587 if [[ "${recursive}" == "1" ]]; then
588 if [[ "${only_executables}" == "1" ]]; then
589 files+=($(find "${argument}" -perm /111 -type f))
590 else
591 files+=($(find "${argument}" -type f))
592 fi
593 else
594 die "${FUNCNAME}(): '${argument}' isn't a regular file"
595 fi
596 else
597 die "${FUNCNAME}(): '${argument}' isn't a regular file or a directory"
598 fi
599 done
600
601 for file in "${files[@]}"; do
602 file="${file#./}"
603 [[ "${only_executables}" == "1" && ! -x "${file}" ]] && continue
604
605 if [[ "$(head -n1 "${file}")" =~ ^'#!'.*python ]]; then
606 [[ "${quiet}" == "0" ]] && einfo "Converting shebang in '${file}'"
607 sed -e "1s/python\([[:digit:]]\+\(\.[[:digit:]]\+\)\?\)\?/python${python_version}/" -i "${file}" || die "Conversion of shebang in '${file}' failed"
608
609 # Delete potential whitespace after "#!".
610 sed -e '1s/\(^#!\)[[:space:]]*/\1/' -i "${file}" || die "sed '${file}' failed"
611 fi
612 done
613}
374 614
375# @ECLASS-VARIABLE: PYTHON_USE_WITH 615# @ECLASS-VARIABLE: PYTHON_USE_WITH
376# @DESCRIPTION: 616# @DESCRIPTION:
377# Set this to a space separated list of use flags 617# Set this to a space separated list of use flags
378# the python slot in use must be built with. 618# the python slot in use must be built with.
390 630
391# @FUNCTION: python_pkg_setup 631# @FUNCTION: python_pkg_setup
392# @DESCRIPTION: 632# @DESCRIPTION:
393# Makes sure PYTHON_USE_WITH or PYTHON_USE_WITH_OR listed use flags 633# Makes sure PYTHON_USE_WITH or PYTHON_USE_WITH_OR listed use flags
394# are respected. Only exported if one of those variables is set. 634# are respected. Only exported if one of those variables is set.
395if ! has ${EAPI:-0} 0 1 && [[ -n ${PYTHON_USE_WITH} || -n ${PYTHON_USE_WITH_OR} ]]; then 635if ! has "${EAPI:-0}" 0 1 && [[ -n ${PYTHON_USE_WITH} || -n ${PYTHON_USE_WITH_OR} ]]; then
636 python_pkg_setup() {
396 python_pkg_setup_fail() { 637 python_pkg_setup_fail() {
397 eerror "${1}" 638 eerror "${1}"
398 die "${1}" 639 die "${1}"
640 }
641
642 [[ ${PYTHON_USE_WITH_OPT} ]] && use !${PYTHON_USE_WITH_OPT} && return
643
644 python_pkg_setup_check_USE_flags() {
645 local pyatom use
646 if [[ -n "${PYTHON_ABI}" ]]; then
647 pyatom="dev-lang/python:${PYTHON_ABI}"
648 else
649 python_version
650 pyatom="dev-lang/python:${PYVER}"
651 fi
652
653 for use in ${PYTHON_USE_WITH}; do
654 if ! has_version "${pyatom}[${use}]"; then
655 python_pkg_setup_fail "Please rebuild ${pyatom} with the following USE flags enabled: ${PYTHON_USE_WITH}"
656 fi
657 done
658
659 for use in ${PYTHON_USE_WITH_OR}; do
660 if has_version "${pyatom}[${use}]"; then
661 return
662 fi
663 done
664
665 if [[ ${PYTHON_USE_WITH_OR} ]]; then
666 python_pkg_setup_fail "Please rebuild ${pyatom} with at least one of the following USE flags enabled: ${PYTHON_USE_WITH_OR}"
667 fi
668 }
669
670 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
671 python_execute_function -q python_pkg_setup_check_USE_flags
672 else
673 python_pkg_setup_check_USE_flags
674 fi
399 } 675 }
400 676
401 python_pkg_setup() {
402 [[ ${PYTHON_USE_WITH_OPT} ]] && use !${PYTHON_USE_WITH_OPT} && return
403
404 python_version
405 local failed
406 local pyatom="dev-lang/python:${PYVER}"
407
408 for use in ${PYTHON_USE_WITH}; do
409 if ! has_version "${pyatom}[${use}]"; then
410 python_pkg_setup_fail \
411 "Please rebuild ${pyatom} with use flags: ${PYTHON_USE_WITH}"
412 fi
413 done
414
415 for use in ${PYTHON_USE_WITH_OR}; do
416 if has_version "${pyatom}[${use}]"; then
417 return
418 fi
419 done
420
421 if [[ ${PYTHON_USE_WITH_OR} ]]; then
422 python_pkg_setup_fail \
423 "Please rebuild ${pyatom} with one of: ${PYTHON_USE_WITH_OR}"
424 fi
425 }
426
427 EXPORT_FUNCTIONS pkg_setup 677 EXPORT_FUNCTIONS pkg_setup
428 678
429 if [[ ${PYTHON_USE_WITH} ]]; then 679 if [[ -n "${PYTHON_USE_WITH}" ]]; then
430 PYTHON_USE_WITH_ATOM="${PYTHON_ATOM}[${PYTHON_USE_WITH/ /,}]" 680 PYTHON_USE_WITH_ATOM="${PYTHON_ATOM}[${PYTHON_USE_WITH/ /,}]"
431 elif [[ ${PYTHON_USE_WITH_OR} ]]; then 681 elif [[ -n "${PYTHON_USE_WITH_OR}" ]]; then
432 PYTHON_USE_WITH_ATOM="|| ( " 682 PYTHON_USE_WITH_ATOM="|| ( "
433 for use in ${PYTHON_USE_WITH_OR}; do 683 for use in ${PYTHON_USE_WITH_OR}; do
434 PYTHON_USE_WITH_ATOM=" 684 PYTHON_USE_WITH_ATOM+=" ${PYTHON_ATOM}[${use}]"
435 ${PYTHON_USE_WITH_ATOM}
436 ${PYTHON_ATOM}[${use}]"
437 done 685 done
438 PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_ATOM} )" 686 unset use
687 PYTHON_USE_WITH_ATOM+=" )"
439 fi 688 fi
440 if [[ ${PYTHON_USE_WITH_OPT} ]]; then 689 if [[ -n "${PYTHON_USE_WITH_OPT}" ]]; then
441 PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_OPT}? ( ${PYTHON_USE_WITH_ATOM} )" 690 PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_OPT}? ( ${PYTHON_USE_WITH_ATOM} )"
442 fi 691 fi
443 DEPEND="${PYTHON_USE_WITH_ATOM}" 692 DEPEND+=" ${PYTHON_USE_WITH_ATOM}"
444 RDEPEND="${PYTHON_USE_WITH_ATOM}" 693 RDEPEND+=" ${PYTHON_USE_WITH_ATOM}"
694fi
695
696# @ECLASS-VARIABLE: PYTHON_DEFINE_DEFAULT_FUNCTIONS
697# @DESCRIPTION:
698# Set this to define default functions for the following ebuild phases:
699# src_prepare, src_configure, src_compile, src_test, src_install.
700if ! has "${EAPI:-0}" 0 1 && [[ -n "${PYTHON_DEFINE_DEFAULT_FUNCTIONS}" ]]; then
701 python_src_prepare() {
702 python_copy_sources
703 }
704
705 for python_default_function in src_configure src_compile src_test src_install; do
706 eval "python_${python_default_function}() { python_execute_function -d -s; }"
707 done
708 unset python_default_function
709
710 EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
445fi 711fi
446 712
447# @FUNCTION: python_disable_pyc 713# @FUNCTION: python_disable_pyc
448# @DESCRIPTION: 714# @DESCRIPTION:
449# Tell Python not to automatically recompile modules to .pyc/.pyo 715# Tell Python not to automatically recompile modules to .pyc/.pyo
458# Tell Python to automatically recompile modules to .pyc/.pyo if the 724# Tell Python to automatically recompile modules to .pyc/.pyo if the
459# timestamps/version stamps have changed. 725# timestamps/version stamps have changed.
460python_enable_pyc() { 726python_enable_pyc() {
461 unset PYTHONDONTWRITEBYTECODE 727 unset PYTHONDONTWRITEBYTECODE
462} 728}
463
464python_disable_pyc
465 729
466# @FUNCTION: python_need_rebuild 730# @FUNCTION: python_need_rebuild
467# @DESCRIPTION: Run without arguments, specifies that the package should be 731# @DESCRIPTION: Run without arguments, specifies that the package should be
468# rebuilt after a python upgrade. 732# rebuilt after a python upgrade.
469python_need_rebuild() { 733python_need_rebuild() {
675 # Don't use PYTHON_ABI in next calls to python_get_libdir(). 939 # Don't use PYTHON_ABI in next calls to python_get_libdir().
676 unset PYTHON_ABI 940 unset PYTHON_ABI
677 941
678 if ((${#other_dirs[@]})) || ((${#other_files[@]})); then 942 if ((${#other_dirs[@]})) || ((${#other_files[@]})); then
679 return_code="0" 943 return_code="0"
680 ebegin "Compilation and optimization of Python modules placed outside of site-packages directories for Python ${PYVER}..." 944 ebegin "Compilation and optimization of Python modules placed outside of site-packages directories for Python ${PYVER}"
681 if ((${#other_dirs[@]})); then 945 if ((${#other_dirs[@]})); then
682 python${PYVER} "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" || return_code="1" 946 python${PYVER} "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" || return_code="1"
683 python${PYVER} -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" &> /dev/null || return_code="1" 947 python${PYVER} -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" &> /dev/null || return_code="1"
684 fi 948 fi
685 if ((${#other_files[@]})); then 949 if ((${#other_files[@]})); then
731 fi 995 fi
732 996
733 # set additional opts 997 # set additional opts
734 myopts+=(-q) 998 myopts+=(-q)
735 999
736 ebegin "Byte compiling python modules for python-${PYVER} .." 1000 ebegin "Compilation and optimization of Python modules for Python ${PYVER}"
737 if ((${#mydirs[@]})); then 1001 if ((${#mydirs[@]})); then
738 python${PYVER} \ 1002 python${PYVER} \
739 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \ 1003 "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
740 "${myopts[@]}" "${mydirs[@]}" || return_code="1" 1004 "${myopts[@]}" "${mydirs[@]}" || return_code="1"
741 python${PYVER} -O \ 1005 python${PYVER} -O \
761# determine if they are orphaned (i.e. their corresponding .py files are missing.) 1025# determine if they are orphaned (i.e. their corresponding .py files are missing.)
762# If they are, then it will remove their corresponding .pyc and .pyo files. 1026# If they are, then it will remove their corresponding .pyc and .pyo files.
763# 1027#
764# This function should only be run in pkg_postrm(). 1028# This function should only be run in pkg_postrm().
765python_mod_cleanup() { 1029python_mod_cleanup() {
766 local PYTHON_ABI SEARCH_PATH=() root src_py 1030 local path py_file PYTHON_ABI SEARCH_PATH=() root
767 1031
768 # Check if phase is pkg_postrm(). 1032 # Check if phase is pkg_postrm().
769 [[ ${EBUILD_PHASE} != "postrm" ]] && die "${FUNCNAME} should only be run in pkg_postrm()" 1033 [[ ${EBUILD_PHASE} != "postrm" ]] && die "${FUNCNAME} should only be run in pkg_postrm()"
770 1034
771 # Strip trailing slash from ROOT. 1035 # Strip trailing slash from ROOT.
788 else 1052 else
789 SEARCH_PATH=("${@#/}") 1053 SEARCH_PATH=("${@#/}")
790 SEARCH_PATH=("${SEARCH_PATH[@]/#/${root}/}") 1054 SEARCH_PATH=("${SEARCH_PATH[@]/#/${root}/}")
791 fi 1055 fi
792 else 1056 else
793 SEARCH_PATH=("${root}"/usr/lib*/python*/site-packages) 1057 local dir sitedir
1058 for dir in "${root}"/usr/lib*; do
1059 if [[ -d "${dir}" && ! -L "${dir}" ]]; then
1060 for sitedir in "${dir}"/python*/site-packages; do
1061 if [[ -d "${sitedir}" ]]; then
1062 SEARCH_PATH+=("${sitedir}")
1063 fi
1064 done
1065 fi
1066 done
1067 fi
1068
1069 local BLUE CYAN NORMAL
1070 if [[ "${NOCOLOR:-false}" =~ ^(false|no)$ ]]; then
1071 BLUE=$'\e[34m'
1072 CYAN=$'\e[36m'
1073 NORMAL=$'\e[0m'
1074 else
1075 BLUE=
1076 CYAN=
1077 NORMAL=
794 fi 1078 fi
795 1079
796 for path in "${SEARCH_PATH[@]}"; do 1080 for path in "${SEARCH_PATH[@]}"; do
797 [[ ! -d "${path}" ]] && continue 1081 if [[ -d "${path}" ]]; then
798 einfo "Cleaning orphaned Python bytecode from ${path} .."
799 find "${path}" -name '*.py[co]' -print0 | while read -rd ''; do 1082 find "${path}" -name '*.py[co]' -print0 | while read -rd ''; do
800 src_py="${REPLY%[co]}" 1083 py_file="${REPLY%[co]}"
801 [[ -f "${src_py}" || (! -f "${src_py}c" && ! -f "${src_py}o") ]] && continue 1084 [[ -f "${py_file}" || (! -f "${py_file}c" && ! -f "${py_file}o") ]] && continue
802 einfo "Purging ${src_py}[co]" 1085 einfo "${BLUE}<<< ${py_file}[co]${NORMAL}"
803 rm -f "${src_py}"[co] 1086 rm -f "${py_file}"[co]
804 done 1087 done
805 1088
806 # Attempt to remove directories that may be empty. 1089 # Attempt to delete directories, which may be empty.
807 find "${path}" -type d | sort -r | while read -r dir; do 1090 find "${path}" -type d | sort -r | while read -r dir; do
808 rmdir "${dir}" 2>/dev/null && einfo "Removing empty directory ${dir}" 1091 rmdir "${dir}" 2>/dev/null && einfo "${CYAN}<<< ${dir}${NORMAL}"
809 done 1092 done
1093 elif [[ "${path}" == *.py && ! -f "${path}" && (-f "${path}c" || -f "${path}o") ]]; then
1094 einfo "${BLUE}<<< ${path}[co]${NORMAL}"
1095 rm -f "${path}"[co]
1096 fi
810 done 1097 done
811} 1098}

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