Python _symbols Examples

Example #1

File: free_group.py Project: huzaifafaruqui/sympy

def _parse_symbols(symbols):
    if not symbols:
        return tuple()
    if isinstance(symbols, string_types):
        return _symbols(symbols, seq=True)
    elif isinstance(symbols, Expr):
        return (symbols, )
    elif is_sequence(symbols):
        if all(isinstance(s, string_types) for s in symbols):
            return _symbols(symbols)
        elif all(isinstance(s, Expr) for s in symbols):
            return symbols
    raise ValueError("")

Example #2

File: free_group.py Project: AlexanderKulka/sympy

def _parse_symbols(symbols):
    if not symbols:
        return tuple()
    if isinstance(symbols, string_types):
        return _symbols(symbols, seq=True)
    elif isinstance(symbols, Expr):
        return (symbols,)
    elif is_sequence(symbols):
        if all(isinstance(s, string_types) for s in symbols):
            return _symbols(symbols)
        elif all(isinstance(s, Expr) for s in symbols):
            return symbols
    raise ValueError("")

Example #3

File: free_groups.py Project: jackharry01/sympy

def _parse_symbols(symbols):
    if not symbols:
        return tuple()
    if isinstance(symbols, string_types):
        return _symbols(symbols, seq=True)
    elif isinstance(symbols, Expr or FreeGroupElement):
        return (symbols, )
    elif is_sequence(symbols):
        if all(isinstance(s, string_types) for s in symbols):
            return _symbols(symbols)
        elif all(isinstance(s, Expr) for s in symbols):
            return symbols
    raise ValueError("The type of `symbols` must be one of the following: "
                     "a str, Symbol/Expr or a sequence of "
                     "one of these types")

Example #4

File: free_groups.py Project: abhi98khandelwal/sympy

def _parse_symbols(symbols):
    if not symbols:
        return tuple()
    if isinstance(symbols, string_types):
        return _symbols(symbols, seq=True)
    elif isinstance(symbols, Expr or FreeGroupElement):
        return (symbols,)
    elif is_sequence(symbols):
        if all(isinstance(s, string_types) for s in symbols):
            return _symbols(symbols)
        elif all(isinstance(s, Expr) for s in symbols):
            return symbols
    raise ValueError("The type of `symbols` must be one of the following: "
                     "a str, Symbol/Expr or a sequence of "
                     "one of these types")

Example #5

def _parse_symbols(symbols):
    if not symbols:
        raise GeneratorsNeeded("generators weren't specified")

    if isinstance(symbols, basestring):
        return _symbols(symbols, seq=True)
    elif isinstance(symbols, Expr):
        return (symbols,)
    elif is_sequence(symbols):
        if all(isinstance(s, basestring) for s in symbols):
            return _symbols(symbols)
        elif all(isinstance(s, Expr) for s in symbols):
            return symbols

    raise GeneratorsError("expected a string, Symbol or expression or a non-empty sequence of strings, Symbols or expressions")