[OE-core] python3-native certificate failure

[Tom Hochstein]

I am trying to download a URL from a source package using python3-native, but it is failing with a certificate failure. I added DEPENDS on ca-certificates-native and python3-certifi-native, but it doesn't seem to help. A colleague with a corresponding SDK took the aarch64 sysroot certificates and dropped them in x86_64 sysroot and the problem was fixed.

Tom

r60874 at tx30imx-01:~/rocko/build-xwayland$ bitbake imx-gpu-sdk -c devshell
root at tx30imx-01:~/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/git# python3
Python 3.5.3 (default, Mar  6 2018, 14:15:44)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import urllib.request
>>> urllib.request.urlretrieve("https://sourceforge.net/projects/tclap/files/tclap-1.2.2.tar.gz", "~")
Traceback (most recent call last):
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 1254, in do_open
    h.request(req.get_method(), req.selector, req.data, headers)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/http/client.py", line 1107, in request
    self._send_request(method, url, body, headers)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/http/client.py", line 1152, in _send_request
    self.endheaders(body)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/http/client.py", line 1103, in endheaders
    self._send_output(message_body)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/http/client.py", line 934, in _send_output
    self.send(msg)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/http/client.py", line 877, in send
    self.connect()
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/http/client.py", line 1261, in connect
    server_hostname=server_hostname)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/ssl.py", line 385, in wrap_socket
    _context=self)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/ssl.py", line 760, in __init__
    self.do_handshake()
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/ssl.py", line 996, in do_handshake
    self._sslobj.do_handshake()
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/ssl.py", line 641, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:720)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 188, in urlretrieve
    with contextlib.closing(urlopen(url, data)) as fp:
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 163, in urlopen
    return opener.open(url, data, timeout)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 466, in open
    response = self._open(req, data)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 484, in _open
    '_open', req)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 444, in _call_chain
    result = func(*args)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 1297, in https_open
    context=self._context, check_hostname=self._check_hostname)
  File "/home/r60874/rocko/build-xwayland/tmp/work/aarch64-mx8qm-poky-linux/imx-gpu-sdk/5.0.2-r0/recipe-sysroot-native/usr/lib/python3.5/urllib/request.py", line 1256, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:720)>
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