dev-python/lmdb: add PyPy3 support

Package-Manager: Portage-3.0.8, Repoman-3.0.1
Signed-off-by: Louis Sautier <sbraz@gentoo.org>

dev-python/lmdb/files/lmdb-1.0.0-pypy3.patch

@@ -0,0 +1,40 @@
+From 2d0f93984f53c19925f07d742584f5e3e69d7902 Mon Sep 17 00:00:00 2001
+From: Nic Watson <github@nicwatson.org>
+Date: Wed, 7 Oct 2020 12:44:30 -0400
+Subject: [PATCH] Get pypy3 passing tests
+
+---
+ .travis.yml          | 2 +-
+ tests/cursor_test.py | 8 ++++----
+ 2 files changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/tests/cursor_test.py b/tests/cursor_test.py
+index acfb0ea..22dd6f8 100644
+--- a/tests/cursor_test.py
++++ b/tests/cursor_test.py
+@@ -245,7 +245,7 @@ def setUp(self, redo=False):
+         self.txn = self.env.begin(write=True)
+         self.c = self.txn.cursor()
+ 
+-    @unittest.skipIf(sys.platform != 'linux', "test only works on Linux")
++    @unittest.skipIf(not sys.platform.startswith('linux'), "test only works on Linux")
+     def test_preload(self):
+         """
+         Test that reading just the key doesn't prefault the value contents, but
+@@ -264,13 +264,13 @@ def test_preload(self):
+         self.path, self.env = testlib.temp_env(path=self.path, writemap=True)
+         self.txn = self.env.begin(write=True, buffers=True)
+         self.c = self.txn.cursor()
+-        minflts_before = resource.getrusage(resource.RUSAGE_THREAD)[6]
++        minflts_before = resource.getrusage(resource.RUSAGE_SELF)[6]
+         self.c.set_key(B('a'))
+         assert self.c.key() == B('a')
+-        minflts_after_key = resource.getrusage(resource.RUSAGE_THREAD)[6]
++        minflts_after_key = resource.getrusage(resource.RUSAGE_SELF)[6]
+ 
+         self.c.value()
+-        minflts_after_value = resource.getrusage(resource.RUSAGE_THREAD)[6]
++        minflts_after_value = resource.getrusage(resource.RUSAGE_SELF)[6]
+ 
+         epsilon = 20
+ 

dev-python/lmdb/lmdb-1.0.0.ebuild

@@ -3,9 +3,7 @@
 
 EAPI=7
 
-# TODO: add PyPy3 when it is supported
-# https://github.com/jnwatson/py-lmdb/issues/260
-PYTHON_COMPAT=( python3_{6..9} )
+PYTHON_COMPAT=( pypy3 python3_{6..9} )
 
 inherit distutils-r1
 
@@ -23,6 +21,11 @@ DEPEND="${RDEPEND}"
 distutils_enable_sphinx docs
 distutils_enable_tests pytest
 
+PATCHES=(
+	# https://github.com/jnwatson/py-lmdb/commit/2d0f93984f53c19925f07d742584f5e3e69d7902
+	"${FILESDIR}/${P}-pypy3.patch"
+)
+
 python_compile() {
 	LMDB_FORCE_SYSTEM=1 distutils-r1_python_compile
 }
@@ -30,3 +33,8 @@ python_compile() {
 python_test() {
 	pytest tests -vv || die "Tests fail with ${EPYTHON}"
 }
+
+python_install() {
+	# This is required when the CFFI extension is used (for PyPy3)
+	LMDB_FORCE_SYSTEM=1 distutils-r1_python_install
+}