switching to high quality piper tts and added label translations

2026-01-29 23:48:19 +01:00
commit d80c619df9
3934 changed files with 1451600 additions and 0 deletions
@@ -0,0 +1,72 @@
+from sympy.core import AtomicExpr, Symbol, S
+from sympy.core.sympify import _sympify
+from sympy.printing.pretty.stringpict import prettyForm
+from sympy.printing.precedence import PRECEDENCE
+from sympy.core.kind import NumberKind
+
+
+class BaseScalar(AtomicExpr):
+    """
+    A coordinate symbol/base scalar.
+
+    Ideally, users should not instantiate this class.
+
+    """
+
+    kind = NumberKind
+
+    def __new__(cls, index, system, pretty_str=None, latex_str=None):
+        from sympy.vector.coordsysrect import CoordSys3D
+        if pretty_str is None:
+            pretty_str = "x{}".format(index)
+        elif isinstance(pretty_str, Symbol):
+            pretty_str = pretty_str.name
+        if latex_str is None:
+            latex_str = "x_{}".format(index)
+        elif isinstance(latex_str, Symbol):
+            latex_str = latex_str.name
+
+        index = _sympify(index)
+        system = _sympify(system)
+        obj = super().__new__(cls, index, system)
+        if not isinstance(system, CoordSys3D):
+            raise TypeError("system should be a CoordSys3D")
+        if index not in range(0, 3):
+            raise ValueError("Invalid index specified.")
+        # The _id is used for equating purposes, and for hashing
+        obj._id = (index, system)
+        obj._name = obj.name = system._name + '.' + system._variable_names[index]
+        obj._pretty_form = '' + pretty_str
+        obj._latex_form = latex_str
+        obj._system = system
+
+        return obj
+
+    is_commutative = True
+    is_symbol = True
+
+    @property
+    def free_symbols(self):
+        return {self}
+
+    _diff_wrt = True
+
+    def _eval_derivative(self, s):
+        if self == s:
+            return S.One
+        return S.Zero
+
+    def _latex(self, printer=None):
+        return self._latex_form
+
+    def _pretty(self, printer=None):
+        return prettyForm(self._pretty_form)
+
+    precedence = PRECEDENCE['Atom']
+
+    @property
+    def system(self):
+        return self._system
+
+    def _sympystr(self, printer):
+        return self._name