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add comments to sound models

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long overdue, probably not really necessary, but it's my own personal requirement
This commit is contained in:
Xevion
2019-12-25 04:58:58 -06:00
parent 5a42049ab0
commit cb5e7e08b1
1 changed files with 10 additions and 0 deletions
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10
app/sound_models.py
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@@ -5,6 +5,9 @@ import json
import os import os
import re import re
# A Database Object describing a Audio File originating from YouTube
# Stores basic information like Title/Uploader/URL etc. as well as holds methods useful
# for manipulating, deleting, downloading, updating, and accessing the relevant information or file.
class YouTubeAudio(db.Model): class YouTubeAudio(db.Model):
id = db.Column(db.String(11), primary_key=True) # 11 char id, presumed to stay the same for the long haul. Should be able to change to 12 chars. id = db.Column(db.String(11), primary_key=True) # 11 char id, presumed to stay the same for the long haul. Should be able to change to 12 chars.
url = db.Column(db.String(64)) # 43 -> 64 url = db.Column(db.String(64)) # 43 -> 64
@@ -17,6 +20,7 @@ class YouTubeAudio(db.Model):
download_timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow) download_timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
last_access_timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow) last_access_timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
# Marks a database entry as accessed by updating timestamps and counts
def access(self): def access(self):
print(f'{self.id} was just accessed ') print(f'{self.id} was just accessed ')
self.access_count = (self.access_count or 0) + 1 self.access_count = (self.access_count or 0) + 1
@@ -24,6 +28,8 @@ class YouTubeAudio(db.Model):
db.session.commit() db.session.commit()
return self return self
# Returns the path for the database entry's audio file
# alt: sendfile() asks for a path originating from ./app/
def getPath(self, alt=False): def getPath(self, alt=False):
if alt: if alt:
return os.path.join('sounds', 'youtube', self.filename) return os.path.join('sounds', 'youtube', self.filename)
@@ -32,6 +38,7 @@ class YouTubeAudio(db.Model):
def file_exists(self): def file_exists(self):
return os.path.exists(self.getPath()) return os.path.exists(self.getPath())
# Fills in all metadata for a database entry
def fill_metadata(self): def fill_metadata(self):
print(f'Filling out metadata for {self.id}') print(f'Filling out metadata for {self.id}')
# Use stdout=PIPE, [Python 3.6] production server support instead of 'capture_output=True' => 'process.stdout' # Use stdout=PIPE, [Python 3.6] production server support instead of 'capture_output=True' => 'process.stdout'
@@ -49,15 +56,18 @@ class YouTubeAudio(db.Model):
print(f'Metadata filled for {self.id}') print(f'Metadata filled for {self.id}')
db.session.commit() db.session.commit()
# Begins the download process for a video
def download(self): def download(self):
print(f'Attempting download of {self.id}') print(f'Attempting download of {self.id}')
subprocess.run(f'youtube-dl -x -4 --restrict-filenames --embed-thumbnail --audio-format mp3 -o ./app/sounds/youtube/%(id)s.%(ext)s {self.id}'.split(' ')) subprocess.run(f'youtube-dl -x -4 --restrict-filenames --embed-thumbnail --audio-format mp3 -o ./app/sounds/youtube/%(id)s.%(ext)s {self.id}'.split(' '))
print(f'Download attempt for {self.id} finished.') print(f'Download attempt for {self.id} finished.')
# Validates whether the specified ID could be a valid YouTube video ID
@staticmethod @staticmethod
def isValid(id): def isValid(id):
return re.match(r'^[A-Za-z0-9_-]{11}$', id) is not None return re.match(r'^[A-Za-z0-9_-]{11}$', id) is not None
# Returns a JSON serialization of the database entry
def toJSON(self, noConvert=False): def toJSON(self, noConvert=False):
data = {'id' : self.id, 'url' : self.url, 'title' : self.title, 'creator' : self.creator, data = {'id' : self.id, 'url' : self.url, 'title' : self.title, 'creator' : self.creator,
'uploader' : self.uploader, 'filename' : self.filename, 'duration' : self.duration, 'uploader' : self.uploader, 'filename' : self.filename, 'duration' : self.duration,