Repository
https://github.com/to-the-sun/amanuensis
This development contribution is submitted in association with task request by @to-the-sun:
Link to Task Request
What is Amanuensis?
The Amanuensis is an automated songwriting and recording system created by @to-the-sun aimed at ridding the process of anything left-brained, so one need never leave a creative, spontaneous and improvisational state of mind, from the inception of the song until its final master. The program will construct a cohesive song structure, using the best of what you give it, looping around you and growing in real-time as you play. All you have to do is jam and fully written songs will flow out behind you wherever you go.
New Feature
The Logger Script
I created a python script for logging the messages sent from the main application using UDP, which is written to a text file by the script.
There are two types of logs,
- A default log created in the app directory.
- A project-specific log that gets created once a project is opened. The location of the log file is determined by a message mentioning the
projectPath
The projectPath message was parsed and the path was extracted and handled OS independently by using python's Pathlib library. So in future, even if the supporting platforms are changed the path strings will be handled seamlessly.
I also had to create a thread for implementing a timeout. This was to roll back to the default log file on 30 seconds of inactivity (Not receiving any messages from the app) as required by the Project owner.
Implementation
The script file: https://github.com/to-the-sun/amanuensis/blob/master/logger.py
To implement the timeout, a variable was set to 30, which gets decremented every second in a thread. On arrival of a message, it is reset to 30 again.
Relevant Codes
UDP Socket
logger = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
logger.bind(("127.0.0.1", 10247))
Function to receive the message
def receiveMessage(self):
"""
Receives a message from the socket and writes to the file.
The counter is reset on each call.
Returns the message as an array of strings.
"""
message = bytes.decode(logger.recv(99999))
if self.defaultReceiveMode:
self.setReceiveDefaultMode(False)
return self.defaultReceive(message)
else:
self.resetCounter()
print(message)
self.log_file.write(message + "\n")
return message.split(' ')
Thread to check timeout:
def check_timeout():
"""
Thread to check if a timeout has occurred.
Log directory is changed to default on timeout.
Helps in closing the file every 30 seconds to update it.
"""
while True:
if not log.counterTimedOut():
time.sleep(1)
log.counter -= 1
else:
log.resetCounter()
if not log.pathIsDefault():
log.closeLog()
log.setReceiveDefaultMode(True)
else:
log.changeProjectPath(defaultPath)
Function to change log directory:
def changeProjectPath(self, newPath):
"""
Change the log directory to specified newPath, and create a new log file.
Returns the new projectPath
"""
if newPath == defaultPath:
self.closeLog()
if self.pathIsDefault():
self.log_file = self.projectPath.open('a')
else:
self.log_file = newPath.open('w')
elif not newPath == self.projectPath:
self.closeLog()
copyfile(str(self.projectPath), str(newPath))
self.log_file = newPath.open('a')
self.projectPath = newPath
return self.projectPath
Hey @ajmaln
Thanks for contributing on Utopian.
We’re already looking forward to your next contribution!
Want to chat? Join us on Discord https://discord.gg/h52nFrV.
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Just want to say working with @ajmaln was a breeze and I'm looking forward to the possibility of doing it again. He was professional, skilled, knew exactly what I was asking for and prompt. A credit to the utopian ecosystem!
Thank you for your kind words @to-the-sun. Looking forward to working with you again.
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