Guifilesignal

Closes #168 (closed). Also fixed sizing of simulate window, though cannot be resized.

b_asic/signal_generator.py

@@ -165,7 +165,7 @@ class ZeroPad(SignalGenerator):
 class FromFile(SignalGenerator):
     """
     Signal generator that reads from file and pads a sequence with zeros.
-
+    File should be of type .txt or .csv and contain a single column vector
     Parameters
     ----------
     path : string
@@ -173,20 +173,10 @@ class FromFile(SignalGenerator):
     """
 
     def __init__(self, path) -> None:
-        try:
-            Path(path).resolve(strict=True)
-        except FileNotFoundError:
-            raise Exception("Selected input file not found.")
-
-        try:
-            data = np.loadtxt(path, dtype=complex).tolist()
-            self._data = data
-            self._len = len(data)
-        except ValueError:
-            raise Exception(
-                "Selected input file is not of the right format, should be of filetype"
-                " .txt or .csv and contain single column input vector."
-            )
+        self._path = path
+        data = np.loadtxt(path, dtype=complex).tolist()
+        self._data = data
+        self._len = len(data)
 
     def __call__(self, time: int) -> complex:
         if 0 <= time < self._len:
@@ -194,7 +184,7 @@ class FromFile(SignalGenerator):
         return 0.0
 
     def __repr__(self) -> str:
-        return f"FromFile({self._data})"
+        return f"FromFile({self._path!r})"
 
 
 class Sinusoid(SignalGenerator):