TF1Plus: 403 when fetching index.mpd

[Nitorac]

PR to fix #1427.
It has been tested successfully on LibreElec 12.0.1 with Kodi 21.1.0:

• TF1Plus: The live channel is working
• A dozen of other FR channels are not impacted (live nor replay)

/!: IMHO: it could be useful to make the get_stream_with_quality method differenciate the headers given to inputstream.adaptive.stream_headers (+ inputstream.adaptive.manifest_headers) and the headers given to the DRM license requests.
Because such a change should impact almost all already implemented channels, I have added a parameter to the method which emulates to old behavior when it's None, and used as I want when filled.

I'm open to improvments, I'm not really happy with the parameter name nor the "workaround" behavior !

[Nitorac]

Revert to Draft since the testing may not have covered the use-case (#1427 (comment))

[joaopa00]

Un petit changement de style pour garder la lisibilité du code:

# use custom_license_headers only if it is set, else fallback to stream_headers
if custom_license_headers:
    license_headers = urlencode(custom_license_headers)  
 else:
    license_headers = stream_headers
license_url = '%s|%s|R{SSM}|' % (license_url, license_headers)

au lieu de

license_url = '%s|%s|R{SSM}|' % (license_url, urlencode(custom_license_headers) if custom_license_headers else stream_headers) # use custom_license_headers only if it is set, else fallback to stream_headers

[joaopa00]

Flake8 complains
./resources/lib/channels/fr/tf1plus.py:438:103: W291 trailing whitespace
./resources/lib/resolver_proxy.py:269:39: E261 at least two spaces before inline comment

[Nitorac]

(i'm still waiting for a DRM-protected show on TF1 to confirm that it fixes the issue !)

[joaopa00]

So I will wait for a few days before merging.

[joaopa00]

des nouvelles?

[Nitorac]

Je regarde plusieurs fois par jour, et j'arrive toujours pas à en trouver, je vais me faire un petit robot pour surveiller quand est-ce qu'un flux protégé par Widevine passe sur tf1+.
Après si c'est embêtant que ça reste là, on peut fermer la PR et je renverrai un message ici quand j'aurai eu une émission qui pousse widevine et que j'aurai pu vérifier que le fix est correct !