[QGIS-Developer] [Qgis-user] Python Implementation of QgsNetworkContentFetcher

[C Hamilton]

Thanks everyone. This gives me some good ideas. These are the possible
solutions:

1. Write a python implementation of QgsNetworkContentFetcher or
QgsBlockingNetworkRequest. With this I could look at the QGIS version and
if it is 3.10 or greater import the core method; otherwise, import the
python implementation.
2. Use the old Boundless implementation if it still works in QGIS 3.
3. Use QgsFileDownloader and save it as a temporary file before processing.

Calvin

On Tue, Nov 26, 2019 at 2:29 AM Alessandro Pasotti <apasotti at gmail.com>
wrote:

>
>
> On Tue, Nov 26, 2019 at 8:22 AM Richard Duivenvoorde <rdmailings at duif.net>
> wrote:
>
>> On 26/11/2019 00.06, Nyall Dawson wrote:
>>
>> > There's not. But there's the ex-boundless "networkaccessmanager"
>> > implementation that supports authcfg, which you can find at
>> >
>> https://github.com/north-road/qgis-redistricting-plugin/blob/master/redistrict/linz/networkaccessmanager.py
>> > (and other projects -- as far as I'm aware there's no real upstream
>> > for this... Alessandro?).
>>
>> I used this Boundless thingie for several plugins now (original source
>> is now pointing/redirecting to planetlabs [0]).
>>
>
> Yes, that's the "upstream" but I don't know if that one is maintained
> anymore.
>
> Btw, there is also a specialized class for sync/async downloads that
> supports authcfg: https://qgis.org/api/classQgsFileDownloader.html#details
>
>
>
>>
>> I think we already discussed several times that it would be good to
>> incorporate this into a commons lib for QGIS. But if I'm correct the
>> actual interface was not exactly what some wanted, and if I recall
>> correct Nyall tried to pull this into c++ but hit some multithreading
>> issues.
>>
>> But as Nyall says: I think this is a great lib to use in a plugin (also
>> because it used the QgisNetwork-stuff, so you can receive the signals
>> from it or log the precise urls, like we do in the QGISnetworklogger
>> plugin [1]
>>
>> Regards,
>>
>> Richard Duivenvoorde
>>
>> [0]
>>
>> https://github.com/planetfederal/lib-qgis-commons/blob/master/qgiscommons2/network/networkaccessmanager.py
>> [1] https://github.com/rduivenvoorde/qgisnetworklogger
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>
>
>
> --
> Alessandro Pasotti
> w3:   www.itopen.it
>
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