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Revision 1.69 - (hide annotations) (download)
Mon Aug 31 23:58:28 2009 UTC (4 years, 10 months ago) by arfrever
Branch: MAIN
Changes since 1.68: +11 -4 lines
Improve validate_PYTHON_ABIS() and python_execute_function().

1 arfrever 1.56 # Copyright 1999-2009 Gentoo Foundation
2 liquidx 1.1 # Distributed under the terms of the GNU General Public License v2
3 arfrever 1.69 # $Header: /var/cvsroot/gentoo-x86/eclass/python.eclass,v 1.68 2009/08/31 00:07:37 arfrever Exp $
4 liquidx 1.1
5 dev-zero 1.33 # @ECLASS: python.eclass
6     # @MAINTAINER:
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.
11     # @DESCRIPTION:
12 arfrever 1.66 # Some useful functions for dealing with Python.
13 liquidx 1.1
14 arfrever 1.65 inherit multilib
15 liquidx 1.2
16 carlo 1.23 if [[ -n "${NEED_PYTHON}" ]] ; then
17 betelgeuse 1.55 PYTHON_ATOM=">=dev-lang/python-${NEED_PYTHON}"
18     DEPEND="${PYTHON_ATOM}"
19 swegener 1.24 RDEPEND="${DEPEND}"
20 betelgeuse 1.55 else
21     PYTHON_ATOM="dev-lang/python"
22 carlo 1.22 fi
23 liquidx 1.18
24 arfrever 1.66 DEPEND="${DEPEND} >=app-shells/bash-3.2"
25 arfrever 1.56 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
26 arfrever 1.59 DEPEND="${DEPEND} >=app-admin/eselect-python-20090804"
27 arfrever 1.56 fi
28    
29 liquidx 1.18 __python_eclass_test() {
30     __python_version_extract 2.3
31     echo -n "2.3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
32     echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
33     __python_version_extract 2.3.4
34     echo -n "2.3.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
35     echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
36     __python_version_extract 2.3.5
37     echo -n "2.3.5 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
38     echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
39     __python_version_extract 2.4
40     echo -n "2.4 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
41     echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
42 liquidx 1.28 __python_version_extract 2.5b3
43     echo -n "2.5b3 -> PYVER: $PYVER PYVER_MAJOR: $PYVER_MAJOR"
44     echo " PYVER_MINOR: $PYVER_MINOR PYVER_MICRO: $PYVER_MICRO"
45 liquidx 1.18 }
46    
47 dev-zero 1.33 # @FUNCTION: python_version
48     # @DESCRIPTION:
49     # Run without arguments and it will export the version of python
50     # currently in use as $PYVER; sets PYVER/PYVER_MAJOR/PYVER_MINOR
51 liquidx 1.18 __python_version_extract() {
52 hawking 1.45 local verstr=$1
53 liquidx 1.18 export PYVER_MAJOR=${verstr:0:1}
54     export PYVER_MINOR=${verstr:2:1}
55 hawking 1.47 if [[ ${verstr:3:1} == . ]]; then
56 swegener 1.29 export PYVER_MICRO=${verstr:4}
57 liquidx 1.28 fi
58 swegener 1.21 export PYVER="${PYVER_MAJOR}.${PYVER_MINOR}"
59 liquidx 1.18 }
60    
61 liquidx 1.1 python_version() {
62 hawking 1.44 [[ -n "${PYVER}" ]] && return 0
63 liquidx 1.1 local tmpstr
64     python=${python:-/usr/bin/python}
65     tmpstr="$(${python} -V 2>&1 )"
66     export PYVER_ALL="${tmpstr#Python }"
67 liquidx 1.18 __python_version_extract $PYVER_ALL
68 liquidx 1.1 }
69    
70 arfrever 1.60 # @FUNCTION: PYTHON
71 arfrever 1.56 # @USAGE: [-a|--absolute-path] <Python_ABI="${PYTHON_ABI}">
72     # @DESCRIPTION:
73     # 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.
75 arfrever 1.60 PYTHON() {
76 arfrever 1.56 local absolute_path="0" slot=
77    
78     while (($#)); do
79     case "$1" in
80     -a|--absolute-path)
81     absolute_path="1"
82     ;;
83     -*)
84     die "${FUNCNAME}(): Unrecognized option $1"
85     ;;
86     *)
87     break
88     ;;
89     esac
90     shift
91     done
92    
93     if [[ "$#" -eq "0" ]]; then
94     if [[ -n "${PYTHON_ABI}" ]]; then
95     slot="${PYTHON_ABI}"
96     else
97     die "${FUNCNAME}(): Invalid usage"
98     fi
99     elif [[ "$#" -eq "1" ]]; then
100     slot="$1"
101     else
102     die "${FUNCNAME}(): Invalid usage"
103     fi
104    
105     if [[ "${absolute_path}" == "1" ]]; then
106     echo -n "/usr/bin/python${slot}"
107     else
108     echo -n "python${slot}"
109     fi
110     }
111    
112     # @FUNCTION: validate_PYTHON_ABIS
113     # @DESCRIPTION:
114     # Make sure PYTHON_ABIS variable has valid value.
115     validate_PYTHON_ABIS() {
116 arfrever 1.66 # Ensure that some functions cannot be accidentally successfully used in EAPI <= 2 without setting SUPPORT_PYTHON_ABIS variable.
117     if has "${EAPI:-0}" 0 1 2 && [[ -z "${SUPPORT_PYTHON_ABIS}" ]]; then
118     die "${FUNCNAME}() cannot be used in this EAPI without setting SUPPORT_PYTHON_ABIS variable"
119     fi
120    
121 arfrever 1.59 # Ensure that /usr/bin/python and /usr/bin/python-config are valid.
122 arfrever 1.63 if [[ "$(readlink /usr/bin/python)" != "python-wrapper" ]]; then
123 arfrever 1.66 die "'/usr/bin/python' isn't valid symlink"
124 arfrever 1.57 fi
125     if [[ "$(</usr/bin/python-config)" != *"Gentoo python-config wrapper script"* ]]; then
126 arfrever 1.66 die "'/usr/bin/python-config' isn't valid script"
127 arfrever 1.57 fi
128    
129 arfrever 1.56 # 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
131     local ABI support_ABI supported_PYTHON_ABIS= restricted_ABI
132     PYTHON_ABI_SUPPORTED_VALUES="2.4 2.5 2.6 2.7 3.0 3.1 3.2"
133 arfrever 1.68
134 arfrever 1.69 if [[ "$(declare -p USE_PYTHON 2>/dev/null)" == "declare -x USE_PYTHON="* ]]; then
135 arfrever 1.68 if [[ -z "${USE_PYTHON}" ]]; then
136     die "USE_PYTHON variable is empty"
137 arfrever 1.56 fi
138 arfrever 1.68
139     for ABI in ${USE_PYTHON}; do
140     if ! has "${ABI}" ${PYTHON_ABI_SUPPORTED_VALUES}; then
141     die "USE_PYTHON variable contains invalid value '${ABI}'"
142     fi
143     support_ABI="1"
144 arfrever 1.66 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
145     if python -c "from fnmatch import fnmatch; exit(not fnmatch('${ABI}', '${restricted_ABI}'))"; then
146     support_ABI="0"
147     break
148     fi
149     done
150 arfrever 1.68 [[ "${support_ABI}" == "1" ]] && supported_PYTHON_ABIS+=" ${ABI}"
151     done
152     export PYTHON_ABIS="${supported_PYTHON_ABIS# }"
153    
154     if [[ -z "${PYTHON_ABIS//[${IFS}]/}" ]]; then
155     die "USE_PYTHON variable doesn't enable any Python version supported by ${CATEGORY}/${PF}"
156 arfrever 1.66 fi
157 arfrever 1.68 else
158     local restricted_ABI
159     python_version
160 arfrever 1.56
161 arfrever 1.68 for restricted_ABI in ${RESTRICT_PYTHON_ABIS}; do
162     if python -c "from fnmatch import fnmatch; exit(not fnmatch('${PYVER}', '${restricted_ABI}'))"; then
163     die "Active Python version isn't supported by ${CATEGORY}/${PF}"
164     fi
165     done
166     export PYTHON_ABIS="${PYVER}"
167     fi
168 arfrever 1.56 fi
169 arfrever 1.66
170     # Ensure that EPYTHON variable is respected.
171     local PYTHON_ABI
172     for PYTHON_ABI in ${PYTHON_ABIS}; do
173     if [[ "$(EPYTHON="$(PYTHON)" python -c 'from sys import version_info; print(".".join([str(x) for x in version_info[:2]]))')" != "${PYTHON_ABI}" ]]; then
174     die "'python' doesn't respect EPYTHON variable"
175     fi
176     done
177 arfrever 1.56 }
178    
179     # @FUNCTION: python_copy_sources
180     # @USAGE: [directory]
181     # @DESCRIPTION:
182     # Copy unpacked sources of given package for each Python ABI.
183     python_copy_sources() {
184     local dir dirs=() PYTHON_ABI
185    
186     if [[ "$#" -eq "0" ]]; then
187     if [[ "${WORKDIR}" == "${S}" ]]; then
188     die "${FUNCNAME}() cannot be used"
189     fi
190     dirs="${S}"
191     else
192     dirs="$@"
193     fi
194    
195     validate_PYTHON_ABIS
196     for PYTHON_ABI in ${PYTHON_ABIS}; do
197     for dir in "${dirs[@]}"; do
198     cp -lpr "${dir}" "${dir}-${PYTHON_ABI}" > /dev/null || die "Copying of sources failed"
199     done
200     done
201     }
202    
203     # @FUNCTION: python_set_build_dir_symlink
204     # @USAGE: [directory="build"]
205     # @DESCRIPTION:
206     # Create build directory symlink.
207     python_set_build_dir_symlink() {
208     local dir="$1"
209    
210 arfrever 1.66 [[ -z "${PYTHON_ABI}" ]] && die "PYTHON_ABI variable not set"
211 arfrever 1.56 [[ -z "${dir}" ]] && dir="build"
212    
213     # Don't delete preexistent directories.
214     rm -f "${dir}" || die "Deletion of '${dir}' failed"
215     ln -s "${dir}-${PYTHON_ABI}" "${dir}" || die "Creation of '${dir}' directory symlink failed"
216     }
217    
218     # @FUNCTION: python_execute_function
219 arfrever 1.58 # @USAGE: [--action-message message] [-d|--default-function] [--failure-message message] [--nonfatal] [-q|--quiet] [-s|--separate-build-dirs] <function> [arguments]
220 arfrever 1.56 # @DESCRIPTION:
221 arfrever 1.60 # Execute specified function for each value of PYTHON_ABIS, optionally passing additional
222     # arguments. The specified function can use PYTHON_ABI and BUILDDIR variables.
223 arfrever 1.56 python_execute_function() {
224 arfrever 1.58 local action action_message action_message_template= default_function="0" failure_message failure_message_template= function nonfatal="0" PYTHON_ABI quiet="0" separate_build_dirs="0"
225 arfrever 1.56
226     while (($#)); do
227     case "$1" in
228     --action-message)
229     action_message_template="$2"
230     shift
231     ;;
232 arfrever 1.58 -d|--default-function)
233     default_function="1"
234     ;;
235 arfrever 1.56 --failure-message)
236     failure_message_template="$2"
237     shift
238     ;;
239     --nonfatal)
240     nonfatal="1"
241     ;;
242     -q|--quiet)
243     quiet="1"
244     ;;
245     -s|--separate-build-dirs)
246     separate_build_dirs="1"
247     ;;
248     -*)
249 arfrever 1.67 die "${FUNCNAME}(): Unrecognized option '$1'"
250 arfrever 1.56 ;;
251     *)
252     break
253     ;;
254     esac
255     shift
256     done
257    
258 arfrever 1.58 if [[ "${default_function}" == "0" ]]; then
259     if [[ "$#" -eq "0" ]]; then
260     die "${FUNCNAME}(): Missing function name"
261     fi
262     function="$1"
263     shift
264 arfrever 1.67
265     if [[ -z "$(type -t "${function}")" ]]; then
266     die "${FUNCNAME}(): '${function}' function isn't defined"
267     fi
268 arfrever 1.58 else
269     if [[ "$#" -ne "0" ]]; then
270 arfrever 1.67 die "${FUNCNAME}(): '--default-function' option and function name cannot be specified simultaneously"
271 arfrever 1.58 fi
272     if has "${EAPI:-0}" 0 1; then
273 arfrever 1.67 die "${FUNCNAME}(): '--default-function' option cannot be used in this EAPI"
274 arfrever 1.58 fi
275    
276     if [[ "${EBUILD_PHASE}" == "configure" ]]; then
277 arfrever 1.61 if has "${EAPI}" 2; then
278     python_default_function() {
279     econf
280     }
281     else
282     python_default_function() {
283     nonfatal econf
284     }
285     fi
286 arfrever 1.58 elif [[ "${EBUILD_PHASE}" == "compile" ]]; then
287     python_default_function() {
288     emake
289     }
290     elif [[ "${EBUILD_PHASE}" == "test" ]]; then
291     python_default_function() {
292     if emake -j1 -n check &> /dev/null; then
293     emake -j1 check
294     elif emake -j1 -n test &> /dev/null; then
295     emake -j1 test
296     fi
297     }
298     elif [[ "${EBUILD_PHASE}" == "install" ]]; then
299     python_default_function() {
300     emake DESTDIR="${D}" install
301     }
302     else
303     die "${FUNCNAME}(): --default-function option cannot be used in this ebuild phase"
304     fi
305     function="python_default_function"
306 arfrever 1.56 fi
307    
308     if [[ "${quiet}" == "0" ]]; then
309     [[ "${EBUILD_PHASE}" == "setup" ]] && action="Setting up"
310     [[ "${EBUILD_PHASE}" == "unpack" ]] && action="Unpacking"
311     [[ "${EBUILD_PHASE}" == "prepare" ]] && action="Preparation"
312     [[ "${EBUILD_PHASE}" == "configure" ]] && action="Configuration"
313     [[ "${EBUILD_PHASE}" == "compile" ]] && action="Building"
314     [[ "${EBUILD_PHASE}" == "test" ]] && action="Testing"
315     [[ "${EBUILD_PHASE}" == "install" ]] && action="Installation"
316     [[ "${EBUILD_PHASE}" == "preinst" ]] && action="Preinstallation"
317     [[ "${EBUILD_PHASE}" == "postinst" ]] && action="Postinstallation"
318     [[ "${EBUILD_PHASE}" == "prerm" ]] && action="Preuninstallation"
319     [[ "${EBUILD_PHASE}" == "postrm" ]] && action="Postuninstallation"
320     fi
321    
322     local RED GREEN BLUE NORMAL
323     if [[ "${NOCOLOR:-false}" =~ ^(false|no)$ ]]; then
324     RED=$'\e[1;31m'
325     GREEN=$'\e[1;32m'
326     BLUE=$'\e[1;34m'
327     NORMAL=$'\e[0m'
328     else
329     RED=
330     GREEN=
331     BLUE=
332     NORMAL=
333     fi
334    
335     validate_PYTHON_ABIS
336     for PYTHON_ABI in ${PYTHON_ABIS}; do
337     if [[ "${quiet}" == "0" ]]; then
338     if [[ -n "${action_message_template}" ]]; then
339     action_message="$(eval echo -n "${action_message_template}")"
340     else
341     action_message="${action} of ${CATEGORY}/${PF} with Python ${PYTHON_ABI}..."
342     fi
343     echo " ${GREEN}*${NORMAL} ${BLUE}${action_message}${NORMAL}"
344     fi
345 arfrever 1.66
346 arfrever 1.56 if [[ "${separate_build_dirs}" == "1" ]]; then
347 arfrever 1.60 export BUILDDIR="${S}-${PYTHON_ABI}"
348     pushd "${BUILDDIR}" > /dev/null || die "pushd failed"
349     else
350     export BUILDDIR="${S}"
351 arfrever 1.56 fi
352 arfrever 1.66
353     if ! has "${EAPI}" 0 1 2 && has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
354     EPYTHON="$(PYTHON)" nonfatal "${function}" "$@"
355     else
356     EPYTHON="$(PYTHON)" "${function}" "$@"
357     fi
358    
359     if [[ "$?" != "0" ]]; then
360 arfrever 1.56 if [[ -n "${failure_message_template}" ]]; then
361     failure_message="$(eval echo -n "${failure_message_template}")"
362     else
363     failure_message="${action} failed with Python ${PYTHON_ABI} in ${function}() function"
364     fi
365 arfrever 1.66
366 arfrever 1.69 if [[ "${nonfatal}" == "1" ]]; then
367     if [[ "${quiet}" == "0" ]]; then
368     ewarn "${RED}${failure_message}${NORMAL}"
369     fi
370     elif has "${PYTHON_ABI}" ${FAILURE_TOLERANT_PYTHON_ABIS}; then
371     local ABI enabled_PYTHON_ABIS=
372 arfrever 1.56 for ABI in ${PYTHON_ABIS}; do
373     [[ "${ABI}" != "${PYTHON_ABI}" ]] && enabled_PYTHON_ABIS+=" ${ABI}"
374     done
375     export PYTHON_ABIS="${enabled_PYTHON_ABIS# }"
376     if [[ "${quiet}" == "0" ]]; then
377     ewarn "${RED}${failure_message}${NORMAL}"
378     fi
379 arfrever 1.69 if [[ -z "${PYTHON_ABIS}" ]]; then
380     die "${function}() function failed with all enabled versions of Python"
381     fi
382 arfrever 1.56 else
383     die "${failure_message}"
384     fi
385     fi
386 arfrever 1.66
387 arfrever 1.56 if [[ "${separate_build_dirs}" == "1" ]]; then
388     popd > /dev/null || die "popd failed"
389     fi
390 arfrever 1.60 unset BUILDDIR
391 arfrever 1.56 done
392 arfrever 1.58
393     if [[ "${default_function}" == "1" ]]; then
394     unset -f python_default_function
395     fi
396 arfrever 1.56 }
397    
398    
399 betelgeuse 1.55 # @ECLASS-VARIABLE: PYTHON_USE_WITH
400     # @DESCRIPTION:
401     # Set this to a space separated list of use flags
402     # the python slot in use must be built with.
403    
404     # @ECLASS-VARIABLE: PYTHON_USE_WITH_OR
405     # @DESCRIPTION:
406     # Set this to a space separated list of use flags
407     # of which one must be turned on for the slot of
408     # in use.
409    
410     # @ECLASS-VARIABLE: PYTHON_USE_WITH_OPT
411     # @DESCRIPTION:
412     # Set this if you need to make either PYTHON_USE_WITH or
413     # PYTHON_USE_WITH_OR atoms conditional under a use flag.
414    
415     # @FUNCTION: python_pkg_setup
416     # @DESCRIPTION:
417     # Makes sure PYTHON_USE_WITH or PYTHON_USE_WITH_OR listed use flags
418     # are respected. Only exported if one of those variables is set.
419 arfrever 1.67 if ! has "${EAPI:-0}" 0 1 && [[ -n ${PYTHON_USE_WITH} || -n ${PYTHON_USE_WITH_OR} ]]; then
420 betelgeuse 1.55 python_pkg_setup_fail() {
421     eerror "${1}"
422     die "${1}"
423     }
424    
425     python_pkg_setup() {
426     [[ ${PYTHON_USE_WITH_OPT} ]] && use !${PYTHON_USE_WITH_OPT} && return
427    
428     python_version
429     local failed
430     local pyatom="dev-lang/python:${PYVER}"
431    
432     for use in ${PYTHON_USE_WITH}; do
433     if ! has_version "${pyatom}[${use}]"; then
434     python_pkg_setup_fail \
435     "Please rebuild ${pyatom} with use flags: ${PYTHON_USE_WITH}"
436     fi
437     done
438    
439     for use in ${PYTHON_USE_WITH_OR}; do
440     if has_version "${pyatom}[${use}]"; then
441     return
442     fi
443     done
444    
445     if [[ ${PYTHON_USE_WITH_OR} ]]; then
446     python_pkg_setup_fail \
447     "Please rebuild ${pyatom} with one of: ${PYTHON_USE_WITH_OR}"
448     fi
449     }
450    
451     EXPORT_FUNCTIONS pkg_setup
452    
453     if [[ ${PYTHON_USE_WITH} ]]; then
454     PYTHON_USE_WITH_ATOM="${PYTHON_ATOM}[${PYTHON_USE_WITH/ /,}]"
455     elif [[ ${PYTHON_USE_WITH_OR} ]]; then
456     PYTHON_USE_WITH_ATOM="|| ( "
457     for use in ${PYTHON_USE_WITH_OR}; do
458     PYTHON_USE_WITH_ATOM="
459     ${PYTHON_USE_WITH_ATOM}
460     ${PYTHON_ATOM}[${use}]"
461     done
462     PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_ATOM} )"
463     fi
464     if [[ ${PYTHON_USE_WITH_OPT} ]]; then
465     PYTHON_USE_WITH_ATOM="${PYTHON_USE_WITH_OPT}? ( ${PYTHON_USE_WITH_ATOM} )"
466     fi
467     DEPEND="${PYTHON_USE_WITH_ATOM}"
468     RDEPEND="${PYTHON_USE_WITH_ATOM}"
469     fi
470    
471 arfrever 1.67 # @ECLASS-VARIABLE: PYTHON_DEFINE_DEFAULT_FUNCTIONS
472     # @DESCRIPTION:
473     # Set this to define default functions for the following ebuild phases:
474     # src_prepare, src_configure, src_compile, src_test, src_install.
475     if ! has "${EAPI:-0}" 0 1 && [[ -n "${PYTHON_DEFINE_DEFAULT_FUNCTIONS}" ]]; then
476     python_src_prepare() {
477     python_copy_sources
478     }
479    
480     for python_default_function in src_configure src_compile src_test src_install; do
481     eval "python_${python_default_function}() { python_execute_function -d -s; }"
482     done
483     unset python_default_function
484    
485     EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
486     fi
487    
488 hawking 1.46 # @FUNCTION: python_disable_pyc
489     # @DESCRIPTION:
490 arfrever 1.66 # Tell Python not to automatically recompile modules to .pyc/.pyo
491 hawking 1.46 # even if the timestamps/version stamps don't match. This is done
492     # to protect sandbox.
493     python_disable_pyc() {
494 arfrever 1.66 export PYTHONDONTWRITEBYTECODE="1"
495 hawking 1.46 }
496    
497     # @FUNCTION: python_enable_pyc
498     # @DESCRIPTION:
499 arfrever 1.66 # Tell Python to automatically recompile modules to .pyc/.pyo if the
500     # timestamps/version stamps have changed.
501 hawking 1.46 python_enable_pyc() {
502 hawking 1.53 unset PYTHONDONTWRITEBYTECODE
503 hawking 1.46 }
504    
505     python_disable_pyc
506    
507 hawking 1.52 # @FUNCTION: python_need_rebuild
508     # @DESCRIPTION: Run without arguments, specifies that the package should be
509     # rebuilt after a python upgrade.
510     python_need_rebuild() {
511     python_version
512     export PYTHON_NEED_REBUILD=${PYVER}
513     }
514    
515 arfrever 1.56 # @FUNCTION: python_get_includedir
516     # @DESCRIPTION:
517     # Run without arguments, returns the Python include directory.
518     python_get_includedir() {
519     if [[ -n "${PYTHON_ABI}" ]]; then
520     echo "/usr/include/python${PYTHON_ABI}"
521     else
522     python_version
523     echo "/usr/include/python${PYVER}"
524     fi
525     }
526    
527 pythonhead 1.43 # @FUNCTION: python_get_libdir
528     # @DESCRIPTION:
529 arfrever 1.56 # Run without arguments, returns the Python library directory.
530 pythonhead 1.43 python_get_libdir() {
531 arfrever 1.56 if [[ -n "${PYTHON_ABI}" ]]; then
532     echo "/usr/$(get_libdir)/python${PYTHON_ABI}"
533     else
534     python_version
535     echo "/usr/$(get_libdir)/python${PYVER}"
536     fi
537 pythonhead 1.42 }
538    
539 pythonhead 1.43 # @FUNCTION: python_get_sitedir
540     # @DESCRIPTION:
541 arfrever 1.56 # Run without arguments, returns the Python site-packages directory.
542 pythonhead 1.43 python_get_sitedir() {
543     echo "$(python_get_libdir)/site-packages"
544 pythonhead 1.42 }
545    
546 dev-zero 1.33 # @FUNCTION: python_tkinter_exists
547     # @DESCRIPTION:
548     # Run without arguments, checks if python was compiled with Tkinter
549     # support. If not, prints an error message and dies.
550 liquidx 1.1 python_tkinter_exists() {
551     if ! python -c "import Tkinter" >/dev/null 2>&1; then
552     eerror "You need to recompile python with Tkinter support."
553 kloeri 1.30 eerror "Try adding: 'dev-lang/python tk'"
554 liquidx 1.27 eerror "in to /etc/portage/package.use"
555 liquidx 1.1 echo
556     die "missing tkinter support with installed python"
557     fi
558     }
559    
560 dev-zero 1.33 # @FUNCTION: python_mod_exists
561 arfrever 1.56 # @USAGE: <module>
562 dev-zero 1.33 # @DESCRIPTION:
563     # Run with the module name as an argument. it will check if a
564     # python module is installed and loadable. it will return
565     # TRUE(0) if the module exists, and FALSE(1) if the module does
566     # not exist.
567 liquidx 1.1 #
568 dev-zero 1.33 # Example:
569 liquidx 1.1 # if python_mod_exists gtk; then
570 liquidx 1.28 # echo "gtk support enabled"
571 liquidx 1.1 # fi
572     python_mod_exists() {
573 zmedico 1.54 [[ "$1" ]] || die "${FUNCNAME} requires an argument!"
574 arfrever 1.56 python -c "import $1" &>/dev/null
575 liquidx 1.1 }
576    
577 dev-zero 1.33 # @FUNCTION: python_mod_compile
578 arfrever 1.56 # @USAGE: <file> [more files ...]
579 dev-zero 1.33 # @DESCRIPTION:
580 hawking 1.35 # Given filenames, it will pre-compile the module's .pyc and .pyo.
581 hawking 1.37 # This function should only be run in pkg_postinst()
582 liquidx 1.1 #
583 dev-zero 1.33 # Example:
584 hawking 1.35 # python_mod_compile /usr/lib/python2.3/site-packages/pygoogle.py
585 liquidx 1.1 #
586     python_mod_compile() {
587 arfrever 1.56 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
588     die "${FUNCNAME}() cannot be used in this EAPI"
589     fi
590    
591 hawking 1.48 local f myroot myfiles=()
592 hawking 1.37
593     # Check if phase is pkg_postinst()
594     [[ ${EBUILD_PHASE} != postinst ]] &&\
595 hawking 1.39 die "${FUNCNAME} should only be run in pkg_postinst()"
596 hawking 1.37
597 liquidx 1.5 # allow compiling for older python versions
598 hawking 1.48 if [[ "${PYTHON_OVERRIDE_PYVER}" ]]; then
599 liquidx 1.5 PYVER=${PYTHON_OVERRIDE_PYVER}
600 pythonhead 1.7 else
601 liquidx 1.5 python_version
602     fi
603 pythonhead 1.7
604 hawking 1.35 # strip trailing slash
605     myroot="${ROOT%/}"
606    
607     # respect ROOT
608 hawking 1.51 for f in "$@"; do
609 hawking 1.48 [[ -f "${myroot}/${f}" ]] && myfiles+=("${myroot}/${f}")
610 hawking 1.35 done
611    
612 hawking 1.48 if ((${#myfiles[@]})); then
613     python${PYVER} ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}"
614 arfrever 1.63 python${PYVER} -O ${myroot}/usr/$(get_libdir)/python${PYVER}/py_compile.py "${myfiles[@]}" &> /dev/null
615 liquidx 1.1 else
616 hawking 1.35 ewarn "No files to compile!"
617 pythonhead 1.7 fi
618 liquidx 1.1 }
619    
620 dev-zero 1.33 # @FUNCTION: python_mod_optimize
621 arfrever 1.56 # @USAGE: [options] [directory|file]
622 dev-zero 1.33 # @DESCRIPTION:
623 arfrever 1.56 # If no arguments supplied, it will recompile not recursively all modules
624     # under sys.path (eg. /usr/lib/python2.6, /usr/lib/python2.6/site-packages).
625 liquidx 1.1 #
626 dev-zero 1.33 # If supplied with arguments, it will recompile all modules recursively
627 arfrever 1.56 # in the supplied directory.
628     # This function should only be run in pkg_postinst().
629 dev-zero 1.33 #
630 arfrever 1.56 # Options passed to this function are passed to compileall.py.
631 hawking 1.39 #
632 dev-zero 1.33 # Example:
633 arfrever 1.56 # python_mod_optimize ctypesgencore
634 liquidx 1.1 python_mod_optimize() {
635 arfrever 1.56 # Check if phase is pkg_postinst().
636     [[ ${EBUILD_PHASE} != "postinst" ]] && die "${FUNCNAME} should only be run in pkg_postinst()"
637    
638     if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
639     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=()
640 hawking 1.37
641 arfrever 1.56 # Strip trailing slash from ROOT.
642     root="${ROOT%/}"
643    
644     # Respect ROOT and options passed to compileall.py.
645     while (($#)); do
646     case "$1" in
647     -l|-f|-q)
648     options+=("$1")
649     ;;
650     -d|-x)
651     options+=("$1" "$2")
652     shift
653     ;;
654     -*)
655     ewarn "${FUNCNAME}: Ignoring compile option $1"
656     ;;
657     *)
658     if [[ "$1" =~ ^/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
659     die "${FUNCNAME} doesn't support absolute paths of directories/files in site-packages directories"
660     elif [[ "$1" =~ ^/ ]]; then
661     if [[ -d "${root}/$1" ]]; then
662     other_dirs+=("${root}/$1")
663     elif [[ -f "${root}/$1" ]]; then
664     other_files+=("${root}/$1")
665     elif [[ -e "${root}/$1" ]]; then
666     ewarn "'${root}/$1' is not a file or a directory!"
667     else
668     ewarn "'${root}/$1' doesn't exist!"
669     fi
670     else
671     for PYTHON_ABI in ${PYTHON_ABIS}; do
672 arfrever 1.62 if [[ -d "${root}$(python_get_sitedir)/$1" ]]; then
673 arfrever 1.56 site_packages_dirs+=("$1")
674     break
675 arfrever 1.62 elif [[ -f "${root}$(python_get_sitedir)/$1" ]]; then
676 arfrever 1.56 site_packages_files+=("$1")
677     break
678 arfrever 1.62 elif [[ -e "${root}$(python_get_sitedir)/$1" ]]; then
679 arfrever 1.56 ewarn "'$1' is not a file or a directory!"
680     else
681     ewarn "'$1' doesn't exist!"
682     fi
683     done
684     fi
685     ;;
686     esac
687     shift
688     done
689 hawking 1.37
690 arfrever 1.56 # Set additional options.
691     options+=("-q")
692 liquidx 1.13
693 arfrever 1.56 for PYTHON_ABI in ${PYTHON_ABIS}; do
694     if ((${#site_packages_dirs[@]})) || ((${#site_packages_files[@]})); then
695     return_code="0"
696     ebegin "Compilation and optimization of Python modules for Python ${PYTHON_ABI}"
697     if ((${#site_packages_dirs[@]})); then
698     for dir in "${site_packages_dirs[@]}"; do
699 arfrever 1.62 site_packages_absolute_dirs+=("${root}$(python_get_sitedir)/${dir}")
700 arfrever 1.56 done
701 arfrever 1.62 "$(PYTHON)" "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" || return_code="1"
702 arfrever 1.63 "$(PYTHON)" -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${site_packages_absolute_dirs[@]}" &> /dev/null || return_code="1"
703 arfrever 1.56 fi
704     if ((${#site_packages_files[@]})); then
705     for file in "${site_packages_files[@]}"; do
706 arfrever 1.62 site_packages_absolute_files+=("${root}$(python_get_sitedir)/${file}")
707 arfrever 1.56 done
708 arfrever 1.62 "$(PYTHON)" "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" || return_code="1"
709 arfrever 1.63 "$(PYTHON)" -O "${root}$(python_get_libdir)/py_compile.py" "${site_packages_absolute_files[@]}" &> /dev/null || return_code="1"
710 hawking 1.49 fi
711 arfrever 1.56 eend "${return_code}"
712     fi
713     unset site_packages_absolute_dirs site_packages_absolute_files
714     done
715    
716     # Don't use PYTHON_ABI in next calls to python_get_libdir().
717     unset PYTHON_ABI
718 hawking 1.36
719 arfrever 1.56 if ((${#other_dirs[@]})) || ((${#other_files[@]})); then
720     return_code="0"
721     ebegin "Compilation and optimization of Python modules placed outside of site-packages directories for Python ${PYVER}..."
722     if ((${#other_dirs[@]})); then
723 arfrever 1.62 python${PYVER} "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" || return_code="1"
724 arfrever 1.63 python${PYVER} -O "${root}$(python_get_libdir)/compileall.py" "${options[@]}" "${other_dirs[@]}" &> /dev/null || return_code="1"
725 arfrever 1.56 fi
726     if ((${#other_files[@]})); then
727 arfrever 1.62 python${PYVER} "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" || return_code="1"
728 arfrever 1.63 python${PYVER} -O "${root}$(python_get_libdir)/py_compile.py" "${other_files[@]}" &> /dev/null || return_code="1"
729 arfrever 1.56 fi
730     eend "${return_code}"
731     fi
732 pythonhead 1.7 else
733 arfrever 1.63 local myroot mydirs=() myfiles=() myopts=() return_code="0"
734 arfrever 1.56
735     # strip trailing slash
736     myroot="${ROOT%/}"
737    
738     # respect ROOT and options passed to compileall.py
739     while (($#)); do
740     case "$1" in
741     -l|-f|-q)
742     myopts+=("$1")
743     ;;
744     -d|-x)
745     myopts+=("$1" "$2")
746     shift
747     ;;
748     -*)
749     ewarn "${FUNCNAME}: Ignoring compile option $1"
750     ;;
751     *)
752     if [[ -d "${myroot}"/$1 ]]; then
753     mydirs+=("${myroot}/$1")
754     elif [[ -f "${myroot}"/$1 ]]; then
755     # Files are passed to python_mod_compile which is ROOT-aware
756     myfiles+=("$1")
757     elif [[ -e "${myroot}/$1" ]]; then
758     ewarn "${myroot}/$1 is not a file or directory!"
759     else
760     ewarn "${myroot}/$1 doesn't exist!"
761     fi
762     ;;
763     esac
764     shift
765     done
766    
767     # allow compiling for older python versions
768     if [ -n "${PYTHON_OVERRIDE_PYVER}" ]; then
769     PYVER=${PYTHON_OVERRIDE_PYVER}
770     else
771     python_version
772     fi
773    
774     # set additional opts
775     myopts+=(-q)
776 pythonhead 1.7
777 arfrever 1.56 ebegin "Byte compiling python modules for python-${PYVER} .."
778     if ((${#mydirs[@]})); then
779     python${PYVER} \
780     "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
781 arfrever 1.63 "${myopts[@]}" "${mydirs[@]}" || return_code="1"
782 arfrever 1.56 python${PYVER} -O \
783     "${myroot}"/usr/$(get_libdir)/python${PYVER}/compileall.py \
784 arfrever 1.63 "${myopts[@]}" "${mydirs[@]}" &> /dev/null || return_code="1"
785 arfrever 1.56 fi
786 pythonhead 1.7
787 arfrever 1.56 if ((${#myfiles[@]})); then
788     python_mod_compile "${myfiles[@]}"
789     fi
790 hawking 1.36
791 arfrever 1.63 eend "${return_code}"
792 hawking 1.36 fi
793 liquidx 1.1 }
794    
795 dev-zero 1.33 # @FUNCTION: python_mod_cleanup
796 arfrever 1.56 # @USAGE: [directory]
797 dev-zero 1.33 # @DESCRIPTION:
798     # Run with optional arguments, where arguments are directories of
799 arfrever 1.56 # python modules. If none given, it will look in /usr/lib/python[0-9].[0-9].
800 dev-zero 1.33 #
801 arfrever 1.56 # It will recursively scan all compiled Python modules in the directories and
802     # determine if they are orphaned (i.e. their corresponding .py files are missing.)
803     # If they are, then it will remove their corresponding .pyc and .pyo files.
804 hawking 1.37 #
805 arfrever 1.56 # This function should only be run in pkg_postrm().
806 liquidx 1.1 python_mod_cleanup() {
807 arfrever 1.56 local PYTHON_ABI SEARCH_PATH=() root src_py
808 liquidx 1.16
809 arfrever 1.56 # Check if phase is pkg_postrm().
810     [[ ${EBUILD_PHASE} != "postrm" ]] && die "${FUNCNAME} should only be run in pkg_postrm()"
811 hawking 1.37
812 arfrever 1.56 # Strip trailing slash from ROOT.
813     root="${ROOT%/}"
814 liquidx 1.1
815 hawking 1.50 if (($#)); then
816 arfrever 1.56 if ! has "${EAPI:-0}" 0 1 2 || [[ -n "${SUPPORT_PYTHON_ABIS}" ]]; then
817     while (($#)); do
818     if [[ "$1" =~ ^/usr/lib(32|64)?/python[[:digit:]]+\.[[:digit:]]+ ]]; then
819     die "${FUNCNAME} doesn't support absolute paths of directories/files in site-packages directories"
820     elif [[ "$1" =~ ^/ ]]; then
821     SEARCH_PATH+=("${root}/${1#/}")
822     else
823     for PYTHON_ABI in ${PYTHON_ABIS}; do
824 arfrever 1.62 SEARCH_PATH+=("${root}$(python_get_sitedir)/$1")
825 arfrever 1.56 done
826     fi
827     shift
828     done
829     else
830     SEARCH_PATH=("${@#/}")
831     SEARCH_PATH=("${SEARCH_PATH[@]/#/${root}/}")
832     fi
833 liquidx 1.5 else
834 arfrever 1.56 SEARCH_PATH=("${root}"/usr/lib*/python*/site-packages)
835 liquidx 1.5 fi
836 pythonhead 1.7
837 hawking 1.50 for path in "${SEARCH_PATH[@]}"; do
838 arfrever 1.62 [[ ! -d "${path}" ]] && continue
839 liquidx 1.11 einfo "Cleaning orphaned Python bytecode from ${path} .."
840 zmedico 1.54 find "${path}" -name '*.py[co]' -print0 | while read -rd ''; do
841 hawking 1.50 src_py="${REPLY%[co]}"
842 arfrever 1.62 [[ -f "${src_py}" || (! -f "${src_py}c" && ! -f "${src_py}o") ]] && continue
843 hawking 1.50 einfo "Purging ${src_py}[co]"
844     rm -f "${src_py}"[co]
845 zmedico 1.54 done
846 hawking 1.50
847 arfrever 1.56 # Attempt to remove directories that may be empty.
848 zmedico 1.54 find "${path}" -type d | sort -r | while read -r dir; do
849 arfrever 1.62 rmdir "${dir}" 2>/dev/null && einfo "Removing empty directory ${dir}"
850 zmedico 1.54 done
851 pythonhead 1.7 done
852 liquidx 1.1 }

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