Dnia 2013-08-03, o godz. 17:13:03 Michał Górny <mgo...@gentoo.org> napisał(a):
> We've been working with yac for a while to get the old twisted.eclass > converted to be compliant with distutils-r1 both in design > and in spirit. This is the first version we'd like to submit for review. One more bit of optimization. -- Best regards, Michał Górny
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /var/cvsroot/gentoo-x86/eclass/twisted.eclass,v 1.10 2011/12/27
06:54:23 floppym Exp $
# @ECLASS: twisted-r1.eclass
# @MAINTAINER:
# Gentoo Python Project <pyt...@gentoo.org>
# @AUTHOR:
# Author: MichaŠGórny <mgo...@gentoo.org>
# Author: Jan Matejka <y...@gentoo.org>
# @BLURB: Eclass for Twisted packages
# @DESCRIPTION:
# The twisted eclass defines phase functions for Twisted packages.
case "${EAPI:-0}" in
0|1|2|3)
die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}"
;;
4|5)
;;
*)
die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
;;
esac
if [[ ! ${_TWISTED_R1} ]]; then
inherit distutils-r1 versionator
fi # ! ${_TWISTED_R1}
EXPORT_FUNCTIONS src_install pkg_postinst pkg_postrm
if [[ ! ${_TWISTED_R1} ]]; then
# @FUNCTION: _twisted-r1_camelcase_pn
# @DESCRIPTION:
# Convert dash-separated ${PN} to CamelCase ${TWISTED_PN}. In pure bash.
# Really.
_twisted-r1_camelcase_pn() {
local IFS=-
# IFS=- splits words by -.
local words=( ${PN} )
# we can't keep '-' as it collides with [a-z] check
# and '' is used by bash-4 words[*], so let's just set globally
IFS=
if [[ ${BASH_VERSINFO[0]} -ge 4 ]]; then
TWISTED_PN=${words[*]^}
return
fi
local w LC_COLLATE=C uc='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
TWISTED_PN=
for w in "${words[@]}"; do
local fl=${w:0:1}
# Danger: magic starts here. Please close your eyes.
# In base 36, a..z represents digits 10..35. We substract 10
# and get array subscripts for uc.
[[ ${fl} == [a-z] ]] && fl=${uc:36#${fl} - 10:1}
TWISTED_PN+=${fl}${w:1}
done
}
# @ECLASS-VARIABLE: TWISTED_PN
# @DESCRIPTION:
# The Twisted CamelCase converted form of package name.
#
# Example: TwistedCore
_twisted-r1_camelcase_pn
# @ECLASS-VARIABLE: TWISTED_P
# @DESCRIPTION:
# The Twisted CamelCase package name & version.
#
# Example: TwistedCore-1.2.3
TWISTED_P=${TWISTED_PN}-${PV}
HOMEPAGE="http://www.twistedmatrix.com/";
SRC_URI="http://twistedmatrix.com/Releases/${TWISTED_PN}";
SRC_URI="${SRC_URI}/$(get_version_component_range 1-2 ${PV})"
SRC_URI="${SRC_URI}/${TWISTED_P}.tar.bz2"
LICENSE="MIT"
SLOT="0"
IUSE=""
S=${WORKDIR}/${TWISTED_P}
# @ECLASS-VARIABLE: TWISTED_PLUGINS
# @DESCRIPTION:
# An array of Twisted plugins, whose cache is regenerated
# in pkg_postinst() and pkg_postrm() phases.
#
# If no plugins are installed, set to empty array.
[[ ${TWISTED_PLUGINS[@]} ]] || TWISTED_PLUGINS=( twisted.plugins )
# @FUNCTION: twisted-r1_python_test
# @DESCRIPTION:
# The common python_test() implementation that suffices Twisted
# packages.
twisted-r1_python_test() {
local sitedir=$(python_get_sitedir)
# Copy modules of other Twisted packages from site-packages
# directory to the temporary directory.
local libdir=${BUILD_DIR}/test/lib
mkdir -p "${libdir}" || die
cp -r "${ROOT}${sitedir}"/twisted "${libdir}" || die
# Drop the installed module in case previous version conflicts with
# the new one somehow.
rm -fr "${libdir}/${PN/-//}" || die
distutils_install_for_testing || die
cd "${TEST_DIR}"/lib || die
trial ${PN/-/.} || die "Tests fail with ${EPYTHON}"
}
# @FUNCTION: python_test
# @DESCRIPTION:
# Default python_test() for Twisted packages. If you need to override
# it, you can access the original implementation
# via twisted-r1_python_test.
python_test() {
twisted-r1_python_test
}
# @FUNCTION: twisted-r1_src_install
# @DESCRIPTION:
# Default src_install() for Twisted packages. Automatically handles HTML
# docs and manpages in Twisted packages
twisted-r1_src_install() {
# TODO: doesn't this accidentially involve installing manpages? ;f
if [[ ${CATEGORY}/${PN} == dev-python/twisted* && -d doc ]]; then
local HTML_DOCS=( doc/. )
fi
distutils-r1_src_install
[[ -d doc/man ]] && doman doc/man/*.[[:digit:]]
}
# @FUNCTION: _twisted-r1_create_caches
# @USAGE: <packages>...
# @DESCRIPTION:
# Create dropin.cache for plugins in specified packages. The packages
# are to be listed in standard dotted Python syntax.
_twisted-r1_create_caches() {
# http://twistedmatrix.com/documents/current/core/howto/plugin.html
"${PYTHON}" -c \
"import sys
sys.path.insert(0, '${ROOT}$(python_get_sitedir)')
fail = False
try:
from twisted.plugin import getPlugins, IPlugin
except ImportError as e:
if '${EBUILD_PHASE}' == 'postinst':
raise
else:
for module in sys.argv[1:]:
try:
__import__(module, globals())
except ImportError as e:
if '${EBUILD_PHASE}' == 'postinst':
raise
else:
list(getPlugins(IPlugin, sys.modules[module]))
" \
"${@}" || die "twisted plugin cache update failed"
}
# @FUNCTION: twisted-r1_update_plugin_cache
# @DESCRIPTION:
# Update and clean up plugin caches for packages listed
# in TWISTED_PLUGINS.
twisted-r1_update_plugin_cache() {
local subdirs=( "${TWISTED_PLUGINS[@]//.//}" )
local paths=( "${subdirs[@]/#/${ROOT}$(python_get_sitedir)/}" )
local caches=( "${paths[@]/%//dropin.cache}" )
# First, delete existing (possibly stray) caches.
rm -f "${caches[@]}" || die
# Now, let's see which ones we can regenerate.
_twisted-r1_create_caches "${TWISTED_PLUGINS[@]}"
# Finally, drop empty parent directories.
rmdir -p "${paths[@]}" 2>/dev/null
}
# @FUNCTION: twisted-r1_pkg_postinst
# @DESCRIPTION:
# Post-installation hook for twisted-r1. Updates plugin caches.
twisted-r1_pkg_postinst() {
_distutils-r1_run_foreach_impl twisted-r1_update_plugin_cache
}
# @FUNCTION: twisted-r1_pkg_postrm
# @DESCRIPTION:
# Post-removal hook for twisted-r1. Updates plugin caches.
twisted-r1_pkg_postrm() {
_distutils-r1_run_foreach_impl twisted-r1_update_plugin_cache
}
_TWISTED_R1=1
fi # ! ${_TWISTED_R1}
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