[OE-core] [PATCH v2] python3: Fix python3-pyvenv run-time dependency

[Hugues Kamba]

Pyvenv is just a small script that uses venv to create virtual
environments.
https://www.python.org/dev/peps/pep-0405/#creating-virtual-environments

This patch adds the python3-venv module as a self-contained package which
python3-pyvenv must depend on at run-time.

The patch also provides the package python3-pyvenv from the pyhton3-venv
package.This is good for future-proofing since python3-pyvenv has been
deprecated and only python3-venv is now available in Python 3.6.
https://docs.python.org/3/library/venv.html.

Without this patch python3-pyvenv is broken because it is missing the
venv module at run-time. This patch specifies the newly created
python3-venv as a run-time dependency of python3-pyvenv.

Signed-off-by: Hugues Kamba <hugues.kamba at arm.com>
---
 .../python/python3/python3-manifest.json         | 16 ++++++++++++++++
 meta/recipes-devtools/python/python3_3.5.6.bb    |  4 ++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-devtools/python/python3/python3-manifest.json b/meta/recipes-devtools/python/python3/python3-manifest.json
index f922561368..ef7fa4ecaf 100644
--- a/meta/recipes-devtools/python/python3/python3-manifest.json
+++ b/meta/recipes-devtools/python/python3/python3-manifest.json
@@ -1107,6 +1107,22 @@
             "${libdir}/python${PYTHON_MAJMIN}/__pycache__/getpass.*.pyc"
         ]
     },
+    "venv": {
+        "summary": "Provides support for creating lightweight virtual environments with their own site directories, optionally isolated from system site directories.",
+        "rdepends": [
+            "compression",
+            "core",
+            "logging",
+            "shell",
+            "stringold",
+            "unixadmin"
+        ],
+        "files": [
+            "${libdir}/python${PYTHON_MAJMIN}/venv",
+            "${bindir}/pyvenv*"
+        ],
+        "cached": []
+    },
     "xml": {
         "summary": "Python basic XML support",
         "rdepends": [
diff --git a/meta/recipes-devtools/python/python3_3.5.6.bb b/meta/recipes-devtools/python/python3_3.5.6.bb
index 2a4547694a..31f8eada11 100644
--- a/meta/recipes-devtools/python/python3_3.5.6.bb
+++ b/meta/recipes-devtools/python/python3_3.5.6.bb
@@ -226,8 +226,8 @@ FILES_${PN}-2to3 += "${bindir}/2to3-${PYTHON_MAJMIN}"
 FILES_${PN}-pydoc += "${bindir}/pydoc${PYTHON_MAJMIN} ${bindir}/pydoc3"
 FILES_${PN}-idle += "${bindir}/idle3 ${bindir}/idle${PYTHON_MAJMIN}"

-PACKAGES =+ "${PN}-pyvenv"
-FILES_${PN}-pyvenv += "${bindir}/pyvenv-${PYTHON_MAJMIN} ${bindir}/pyvenv"
+# provide python-pyvenv from python3-venv
+RPROVIDES_${PN}-venv += "${PN}-pyvenv"

 # package libpython3
 PACKAGES =+ "libpython3 libpython3-staticdev"
--
2.18.0

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