diff options
Diffstat (limited to 'python/astal/binding.py')
-rw-r--r-- | python/astal/binding.py | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/python/astal/binding.py b/python/astal/binding.py deleted file mode 100644 index 0fe1b6c..0000000 --- a/python/astal/binding.py +++ /dev/null @@ -1,33 +0,0 @@ -import re - - -def kebabify(string): - return re.sub(r"([a-z])([A-Z])", r"\1-\2", string).replace("_", "-").lower() - - -class Binding: - def __init__(self, emitter, prop=None): - self.emitter = emitter - self.prop = kebabify(prop) if prop else None - self.transform_fn = lambda v: v - - def __str__(self): - return f"Binding<{self.emitter}{', ' + self.prop if self.prop else ''}>" - - def as_(self, fn): - bind = Binding(self.emitter, self.prop) - bind.transform_fn = lambda v: fn(self.transform_fn(v)) - return bind - - def get(self): - if hasattr(self.emitter, "get") and callable(self.emitter.get): - return self.transform_fn(self.emitter.get()) - - return self.transform_fn(self.emitter[f"get_{self.prop}"]()) - - def subscribe(self, callback): - if hasattr(self.emitter, "subscribe") and callable(self.emitter.subscribe): - return self.emitter.subscribe(lambda _: callback(self.get())) - - i = self.emitter.connect(f"notify::{self.prop}", lambda: callback(self.get())) - return lambda: self.emitter.disconnect(i) |