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delarte
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Barbagus 2022-12-20 09:48:57 +01:00
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10
README.md
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@ -9,7 +9,7 @@
This is a toy/research project whose only goal is to familiarize with some of the technologies involved in multi-lingual video streaming. Using this program may violate usage policy of ArteTV website and we do not recommend using it for other purpose then studying the code.
ArteTV is a is a European public service channel dedicated to culture. Available programms are usually available with multiple audio and subtitiles languages.
ArteTV is a is a European public service channel dedicated to culture. Available programmes are usually available with multiple audio and subtitles languages.
🚀 Quick start
---------------
@ -27,7 +27,7 @@ $ git clone https://git.afpy.org/fcode/delarte.git
$ cd delarte
```
Optionally create a virtual environement
Optionally create a virtual environnement
```
$ python3 -m venv .venv
$ source .venv/Scripts/activate
@ -48,7 +48,7 @@ Now you can run the script
$ python3 -m delarte --help
or
$ delarte --help
ArteTV dowloader.
ArteTV downloader.
usage: delarte [-h|--help] - print this message
or: delarte program_page_url - show available versions
@ -168,7 +168,7 @@ The response is a JSON object:
}
}
```
Information about the program is detailed in `data.attributes.metadata` and a list of available audio/subtitles combinations in `data.attributes.streams`. In our code such a combination is refered to as a _rendition_ (or _version_ in the CLI).
Information about the program is detailed in `data.attributes.metadata` and a list of available audio/subtitles combinations in `data.attributes.streams`. In our code such a combination is referred to as a _rendition_ (or _version_ in the CLI).
Every such _rendition_ has a reference to a _master playlist_ file in `.streams[i].url` and description of the audio/subtitle combination in `.streams[i].versions[0]`.
@ -269,7 +269,7 @@ This file shows the file containing the subtitles data.
### 📽️ FFMPEG
The multiplexing (_muxing_) the video file is handled by [ffmpeg](https://ffmpeg.org/). The script expects [ffmpeg](https://ffmpeg.org/) to be installed in the environement and will call it as a subprocess.
The multiplexing (_muxing_) the video file is handled by [ffmpeg](https://ffmpeg.org/). The script expects [ffmpeg](https://ffmpeg.org/) to be installed in the environnement and will call it as a subprocess.
#### Why not use FFMPEG direcly with the HLS _master playlist_ URL ?

4
src/delarte/__init__.py
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@ -1,5 +1,5 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""delarte - ArteTV downloader."""

8
src/delarte/__main__.py
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@ -1,7 +1,7 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""delarte - ArteTV dowloader.
"""delarte - ArteTV downloader.
usage: delarte [-h|--help] - print this message
or: delarte program_page_url - show available versions
@ -51,7 +51,7 @@ def create_progress():
print(f"\rDownloading {channel}: 100.0%")
state["last_update_time"] = now
elif channel != state["last_channel"]:
print(f"Dowloading {channel}: 0.0%", end="")
print(f"Downloading {channel}: 0.0%", end="")
state["last_update_time"] = now
state["last_channel"] = channel
elif now - state["last_update_time"] > 1:

4
src/delarte/api.py
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@ -1,5 +1,5 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""Provide ArteTV JSON API utilities."""

4
src/delarte/cli.py
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@ -1,5 +1,5 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)"""CLI arguments related module."""
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""
usage: delarte [-h|--help] - print this message

10
src/delarte/hls.py
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@ -1,5 +1,5 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""Provide HLS protocol utilities."""
@ -74,14 +74,14 @@ import webvtt
# WARNING !
#
# This module does not aim for a full implementation of HLS, only the
# subset usefull for the actual observed usage of ArteTV.
# subset useful for the actual observed usage of ArteTV.
#
# - URIs are relative file paths
# - Master playlists have at least one variant
# - Every variant is of different resolution
# - Every variant has exactly one audio medium
# - Every variant has at most one subtitles medium
# - Audio and video media playlists segments are incrmental ranges of the same file
# - Audio and video media playlists segments are incremental ranges of the same file
# - Subtitles media playlists have only one segment
@ -201,7 +201,7 @@ def _load_av_segments(media_playlist_url):
range_start, range_end = _parse_byterange(segment)
if range_start != total:
raise ValueError(
f"Invalid a/v index: discontious ranges ({range_start} != {total})"
f"Invalid a/v index: discontinuous ranges ({range_start} != {total})"
)
chunks.append((range_start, range_end))

4
src/delarte/muxing.py
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@ -1,5 +1,5 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""Provide media muxing utilities."""

6
src/delarte/naming.py
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@ -1,7 +1,7 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""Provide contexted based file naming utility."""
"""Provide contextualized based file naming utility."""
def build_file_base_name(config):

4
src/delarte/www.py
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@ -1,5 +1,5 @@
# Licence: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of [`delarte`](https://git.afpy.org/fcode/delarte.git)
# License: GNU AGPL v3: http://www.gnu.org/licenses/
# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
"""Provide ArteTV website utilities."""