Sorry, I should have posted that I'm running Weewx 4.5.1 with Python 3.9.2
On Saturday, January 22, 2022 at 5:43:06 p.m. UTC-8 Joe Williams wrote:
> Hey all, just updating a little plugin that I had running on an old
> version of Weewx and Python2
>
> It seems some code that I was using to do the rest call has changed
> between Python2 and 3, and Im seeing the following stack when the request
> is called.
>
> weewx[14173] ERROR weewx.restx: *** Traceback (most recent call last):
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/share/weewx/weewx/restx.py", line 381, in run_loop
> weewx[14173] ERROR weewx.restx: *** self.process_record(_record,
> dbmanager)
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/share/weewx/user/lametric.py", line 130, in process_record
> weewx[14173] ERROR weewx.restx: *** self.post_with_retries(req)
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/share/weewx/weewx/restx.py", line 475, in post_with_retries
> weewx[14173] ERROR weewx.restx: *** _response =
> self.post_request(request, data)
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/share/weewx/weewx/restx.py", line 537, in post_request
> weewx[14173] ERROR weewx.restx: *** _response =
> urllib.request.urlopen(request, data=data_bytes, timeout=self.timeout)
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/lib/python3.9/urllib/request.py", line 214, in urlopen
> weewx[14173] ERROR weewx.restx: *** return opener.open(url, data,
> timeout)
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/lib/python3.9/urllib/request.py", line 514, in open
> weewx[14173] ERROR weewx.restx: *** req = meth(req)
> weewx[14173] ERROR weewx.restx: *** File
> "/usr/lib/python3.9/urllib/request.py", line 1277, in do_request_
> weewx[14173] ERROR weewx.restx: *** raise TypeError(msg)
> weewx[14173] ERROR weewx.restx: *** TypeError: POST data should be bytes,
> an iterable of bytes, or a file object. It cannot be of type str.
>
>
> The code I was using was the following....
>
> def process_record(self, record, dbm):
> r = self.get_record(record, dbm)
> data = self.get_data(r)
> if self.skip_upload:
> loginf("skipping upload")
> return
> #logdbg('PR ---- using device_key: %s' % self.device_key)
> #logdbg('PR ---- using server_url: %s' % self.server_url)
> req = six.moves.urllib.request.Request(self.server_url, data)
> req.get_method = lambda: 'POST'
> req.add_header("User-Agent", "weewx/%s" % weewx.__version__)
>
> auth_header = '%s:%s' % ('dev',self.device_key)
>
> #update
> str_to_bytes = auth_header.encode('ascii')
> b64s = base64.b64encode(str_to_bytes)
> req.add_header("Authorization", "Basic %s" % b64s)
> #end update
>
> req.add_header("Content-Type", "application/json")
> self.post_with_retries(req)
>
>
> It was working with Python2 version of Weewx. If anyone has some
> thoughts on this, or an alternative way to make the rest call, it would
> be much appreciated.
>
> Cheers,
> -Joe
>
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