PySide2 Property Generator

generate.ipynb

generate.py

import re
from pathlib import Path

data = """\
MainModel
now_recording_uniq str ""
now_playing_uniq str ""
"""

name = None
properties = []
types = []
defaults = []
for i, line in enumerate(Path("data.txt").read_text().strip().splitlines()):
    if i == 0:
        name = line.strip()
    else:
        p, t, d = line.split()
        properties.append(p)
        types.append(t)
        defaults.append(d)

output = f"""\
from PySide2.QtCore import Property, QObject, Signal


class {name}(QObject):
    def __init__(self):
        super().__init__(parent=None)
"""

for p, d in zip(properties, defaults):
    output += f"""\
        self.{p} = {d}
"""

for p, t, d in zip(properties, types, defaults):
    c = re.sub("_(.)", lambda m: m.group(1).upper(), p)
    output += f"""
    def get_{p}(self):
        return self.{p}

    def set_{p}(self, value):
        self.{p} = value
        self.changed_{p}.emit()

    @Signal
    def changed_{p}(self):
        pass

    {c} = Property(
        {t},
        fget=get_{p},
        fset=set_{p},
        notify=changed_{p},
    )
"""

print(output)