[extractor/youtube] Revert default formats to `https`

[yt-dlp.git] / CONTRIBUTING.md

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d9d5f4730403ead1f96c02691de707f4d2b4a1ce..ae2c454239efc28542900bd1a51ea9426b053c03 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -127,7 +127,7 @@ ### Are you willing to share account details if needed?
 
 ### Is the website primarily used for piracy?
 
-We follow [youtube-dl's policy](https://github.com/ytdl-org/youtube-dl#can-you-add-support-for-this-anime-video-site-or-site-which-shows-current-movies-for-free) to not support services that is primarily used for infringing copyright. Additionally, it has been decided to not to support porn sites that specialize in deep fake. We also cannot support any service that serves only [DRM protected content](https://en.wikipedia.org/wiki/Digital_rights_management). 
+We follow [youtube-dl's policy](https://github.com/ytdl-org/youtube-dl#can-you-add-support-for-this-anime-video-site-or-site-which-shows-current-movies-for-free) to not support services that is primarily used for infringing copyright. Additionally, it has been decided to not to support porn sites that specialize in fakes. We also cannot support any service that serves only [DRM protected content](https://en.wikipedia.org/wiki/Digital_rights_management). 
 
 
 
@@ -161,7 +161,7 @@ ## Adding new feature or making overarching changes
 
 ## Adding support for a new site
 
-If you want to add support for a new site, first of all **make sure** this site is **not dedicated to [copyright infringement](https://www.github.com/ytdl-org/youtube-dl#can-you-add-support-for-this-anime-video-site-or-site-which-shows-current-movies-for-free)**. yt-dlp does **not support** such sites thus pull requests adding support for them **will be rejected**.
+If you want to add support for a new site, first of all **make sure** this site is **not dedicated to [copyright infringement](#is-the-website-primarily-used-for-piracy)**. yt-dlp does **not support** such sites thus pull requests adding support for them **will be rejected**.
 
 After you have ensured this site is distributing its content legally, you can follow this quick list (assuming your service is called `yourextractor`):
 
@@ -351,8 +351,9 @@ #### Example
 ```python
 thumbnail_data = data.get('thumbnails') or []
 thumbnails = [{
-    'url': item['url']
-} for item in thumbnail_data]  # correct
+    'url': item['url'],
+    'height': item.get('h'),
+} for item in thumbnail_data if item.get('url')]  # correct
 ```
 
 and not like:
@@ -360,12 +361,27 @@ #### Example
 ```python
 thumbnail_data = data.get('thumbnails')
 thumbnails = [{
-    'url': item['url']
+    'url': item['url'],
+    'height': item.get('h'),
 } for item in thumbnail_data]  # incorrect
 ```
 
 In this case, `thumbnail_data` will be `None` if the field was not found and this will cause the loop `for item in thumbnail_data` to raise a fatal error. Using `or []` avoids this error and results in setting an empty list in `thumbnails` instead.
 
+Alternately, this can be further simplified by using `traverse_obj`
+
+```python
+thumbnails = [{
+    'url': item['url'],
+    'height': item.get('h'),
+} for item in traverse_obj(data, ('thumbnails', lambda _, v: v['url']))]
+```
+
+or, even better,
+
+```python
+thumbnails = traverse_obj(data, ('thumbnails', ..., {'url': 'url', 'height': 'h'}))
+```
 
 ### Provide fallbacks