Alguns scripts que tinc

arrays.py

import numpy as np
import sympy as sym
import argparse

parser = argparse.ArgumentParser(
    description="Fa el producte (·) entre dos matrius"
)
parser.add_argument("-a", help="Matriu `a`", required=True)
parser.add_argument("-b", help="Matriu `b`", required=True)
args = parser.parse_args()

a = []
for token in args.a.split(";"):
    a.append([])
    for nmbr in token.split(" "):
        a[-1] += [sym.sympify(nmbr)]
b = []
for token in args.b.split(";"):
    b.append([])
    for nmbr in token.split(" "):
        b[-1] += [sym.sympify(nmbr)]

print("a = {}".format(a))
print("b = {}".format(b))
print("a·b =\n",np.dot(a,b))

exif.py

from os import listdir as ls
from sys import argv, exit
import argparse

def load_exif(filename):
    import piexif
    exif_dict = piexif.load(filename)
    exif = {}
    for ifd in ("0th", "Exif", "GPS", "1st"):
        for tag in exif_dict[ifd]:
            key = piexif.TAGS[ifd][tag]["name"]
            value = exif_dict[ifd][tag]
            
            if key in ("Model",) :
                exif['model'] = value.decode()
            if key in ("FNumber",):
                a,b = value
                exif['aperture'] = "f/{}".format(a/b)
            if key in ("FocalLength",):
                a,b = value
                exif['focal'] = "{}mm".format(int(a/b))
            if key in ("ExposureTime",):
                a,b = value
                exif['shutter'] = "{}/{}s".format(a,b)
            if key in ("ISOSpeedRatings",):
                exif['iso'] = "{}-ISO".format(value)
            if key in ("DateTimeOriginal",):
                exif['datetime'] = value
    return exif

def parse_arguments():
    parser = argparse.ArgumentParser(description="Mostra informació sobre fotografies")
    parser.add_argument("foto", help="Nombre de la foto")
    parser.add_argument("-n", "--name", help="Mostra el nom de la imatge", action="store_true")
    parser.add_argument("--all", help="-mfsai", action="store_true")
    parser.add_argument("-m", "--model", help="Model de càmara", action="store_true")
    parser.add_argument("-f", "--focal", help="Distància focal", action="store_true")
    parser.add_argument("-s", "--shutter", help="Temps d'obturació", action="store_true")
    parser.add_argument("-a", "--aperture", help="Apertura de diafragma", action="store_true")
    parser.add_argument("-i", "--iso", help="ISO", action="store_true")
    args = parser.parse_args()
    if args.all:
        args.model = True
        args.focal = True
        args.shutter = True
        args.aperture = True
        args.iso = True
    return args

    
if __name__ == "__main__":
    args = parse_arguments()
    args.foto = ls('.') if args.foto == "." else [args.foto]
    for photo in args.foto:
        if photo.endswith((".jpg",".JPG")):
            exif = load_exif(photo)
            if args.name:
                print(photo, end=" - ")
            if args.model:
                print(exif.get('model', "unknown"), end=" ")
            if args.focal:
                print(exif.get('focal', "unknown"), end=" ")
            if args.shutter:
                print(exif.get('shutter', "unknown"), end=" ")
            if args.aperture:
                print(exif.get('aperture', "unknown"), end=" ")
            if args.iso:
                print(exif.get('iso', "unknown"), end=" ")
            print("")

move_raw.cmd

mkdir RAW && mv *.CR2 RAW/

repeat.py

import argparse
from subprocess import run
from time import sleep
from os import listdir as ls

parser = argparse.ArgumentParser(
	description='Repeat commands'
)

parser.add_argument('command')
parser.add_argument('-d', '--delay', help='delay in seconds', type=float)
parser.add_argument('-l', '--ls', action='store_true', help='performs `for file in ls(".")`. Example: repeat.py "echo {file}" --ls')
parser.add_argument('-r', '--range', type=int, nargs=2)

args = parser.parse_args()

if args.range:
	for number in range(args.range[0], args.range[1]):
		command = args.command.format(
			number=number
		)
		run(command)
		if args.delay:
			sleep(args.delay)
elif args.ls and '{file}' in args.command:
	autonumber = autonumber or 1
	for file in ls('.'):
		command = args.command.format(
			file=file,
			number=autonumber
		)
		run(command)
		if args.delay:
			sleep(args.delay)
		autonumber += 1
else:
	while True:
		run(args.command)
		if args.delay:
			sleep(args.delay)

to_mp3.py

from tkinter import Tk, Label, Button
from shutil import move as mv
from os import remove as rm
from os import listdir as ls
from os import system as run
from os import path
from sys import exit
join=path.join

class Main:
    
    COMMAND = '''ffmpeg -i "{file}.aac" -acodec libmp3lame -ac 2 -b:a 192k "{file}.mp3"'''
    
    def __init__(self, master):
        self.master = master
        master.title('Convertir a mp3')
        self.center(master)

        # label
        self.label = Label(
            master,
            text='\n'.join(f for f in ls('.') if f.endswith('.aac'))
        )
        self.label.pack()
        
        self.button = Button(
            master,
            text = "Convertir",
            command = self.convert
        )
        self.button.pack()
        
    
    def convert(self):
        filenames = [ file.replace('.aac', '') for file in ls('.') ]
        for file in filenames:
            run( self.COMMAND.format(file=file) )
        
        self.clear()
        self.ask_to_remove_aac_files()
        
        
    def clear(self):
        self.label.destroy()
        self.button.destroy()

    def ask_to_remove_aac_files(self):
        self.label = Label(
            self.master,
            text='Vols borrar els fitxers AAC?'
        )
        self.label.pack()
        
        self.yes = Button(
            self.master,
            text = "Si",
            command = self.remove_aac
        )
        self.yes.pack()
        
        self.no = Button(
            self.master,
            text = "No",
            command = exit
        )
        self.no.pack()
    
    
    def remove_aac(self):
        filenames = [ file for file in ls('.') if file.endswith('aac')]
        for file in filenames:
            rm( file )
        exit()
        
        
    def center(self, toplevel):
        toplevel.update_idletasks()
        w = toplevel.winfo_screenwidth()
        h = toplevel.winfo_screenheight()
        size = tuple(int(_) for _ in toplevel.geometry().split('+')[0].split('x'))
        x = w/2 - size[0]/2
        y = h/2 - size[1]/2
        toplevel.geometry("%dx%d+%d+%d" % (size + (x, y)))

root = Tk()
root.geometry("600x400")
my_gui = Main(root)
root.mainloop()