Python builtins.isinstance() Examples

def __init__(self, dtype: HdlType, bitAddr: int=0,
                 parent: Optional['TransTmpl']=None,
                 origin: Optional[HStructField]=None,
                 rel_field_path: Tuple[Union[str, int], ...]=tuple()):
        self.parent = parent
        assert isinstance(dtype, HdlType), dtype
        assert parent is None or isinstance(parent, TransTmpl), parent
        if origin is None:
            origin = (dtype,)
        else:
            assert isinstance(origin, tuple), origin
        self.origin = origin
        self.dtype = dtype
        self.children = []
        self.itemCnt = None
        self.rel_field_path = rel_field_path
        self._loadFromHType(dtype, bitAddr) 

def _formatted_exception(exc):
    error_header_formstr = '{file}:{line}: '
    error_body_formstr = 'error: {errormsg} [{errorclass}]'
    if not isinstance(exc, FyppError):
        return error_body_formstr.format(
            errormsg=str(exc), errorclass=exc.__class__.__name__)
    out = []
    if exc.fname is not None:
        if exc.span[1] > exc.span[0] + 1:
            line = '{0}-{1}'.format(exc.span[0] + 1, exc.span[1])
        else:
            line = '{0}'.format(exc.span[0] + 1)
        out.append(error_header_formstr.format(file=exc.fname, line=line))
    out.append(error_body_formstr.format(errormsg=exc.msg,
                                         errorclass=exc.__class__.__name__))
    if exc.cause is not None:
        out.append('\n' + _formatted_exception(exc.cause))
    out.append('\n')
    return ''.join(out) 

def _get_callable_argspec_py2(func):
    argspec = inspect.getargspec(func)
    varpos = argspec.varargs
    varkw = argspec.keywords
    args = argspec.args
    tuplearg = False
    for elem in args:
        tuplearg = tuplearg or isinstance(elem, list)
    if tuplearg:
        msg = 'tuple argument(s) found'
        raise FyppFatalError(msg)
    defaults = {}
    if argspec.defaults is not None:
        for ind, default in enumerate(argspec.defaults):
            iarg = len(args) - len(argspec.defaults) + ind
            defaults[args[iarg]] = default
    return args, defaults, varpos, varkw 

def _loadFromHStream(self, dtype: HStream, bitAddr: int) -> int:
        """
        Parse HStream type to this transaction template instance

        :return: address of it's end
        """
        self.children = TransTmpl(
            dtype.element_t, 0, parent=self, origin=self.origin,
            rel_field_path=(0,))

        if not isinstance(dtype.len_min, int) or dtype.len_min != dtype.len_max:
            raise ValueError("This template is ment only"
                             " for types of constant and finite size")

        self.itemCnt = dtype.len_min
        return bitAddr + dtype.element_t.bit_length() * self.itemCnt 

def _loadFromHType(self, dtype: HdlType, bitAddr: int) -> None:
        """
        Parse any HDL type to this transaction template instance
        """
        self.bitAddr = bitAddr
        childrenAreChoice = False
        if isinstance(dtype, Bits):
            ld = self._loadFromBits
        elif isinstance(dtype, HStruct):
            ld = self._loadFromHStruct
        elif isinstance(dtype, HArray):
            ld = self._loadFromArray
        elif isinstance(dtype, HStream):
            ld = self._loadFromHStream
        elif isinstance(dtype, HUnion):
            ld = self._loadFromUnion
            childrenAreChoice = True
        else:
            raise TypeError("expected instance of HdlType", dtype)

        self.bitAddrEnd = ld(dtype, bitAddr)
        self.childrenAreChoice = childrenAreChoice 

def bitsArithOp(self, other, op):
    other = toHVal(other, self._dtype)
    if not isinstance(other._dtype, Bits):
        raise TypeError(other._dtype)
    if areValues(self, other):
        return bitsArithOp__val(self, other, op._evalFn)
    else:
        if self._dtype.signed is None:
            self = self._unsigned()

        resT = self._dtype
        if isinstance(other._dtype, Bits):
            t0 = self._dtype
            t1 = other._dtype
            if t0.bit_length() != t1.bit_length():
                if not t1.strict_width:
                    # resize to type of this
                    other = other._auto_cast(t1)
                    t1 = other._dtype
                    pass
                elif not t0.strict_width:
                    # resize self to type of result
                    self = self._auto_cast(t0)
                    t0 = self._dtype
                    pass
                else:
                    raise TypeError("%r %r %r" % (self, op, other))

            if t1.signed != resT.signed:
                other = other._convSign(t0.signed)
        else:
            raise TypeError("%r %r %r" % (self, op, other))

        o = Operator.withRes(op, [self, other], self._dtype)
        return o._auto_cast(resT) 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def assign_group_realm_roles(self, group_id, roles):
        """
        Assign realm roles to a group

        :param group_id: id of groupp
        :param roles: roles list or role (use GroupRoleRepresentation)
        :return Keycloak server response
        """

        payload = roles if isinstance(roles, list) else [roles]
        params_path = {"realm-name": self.realm_name, "id": group_id}
        data_raw = self.raw_post(URL_ADMIN_GROUPS_REALM_ROLES.format(**params_path),
                                 data=json.dumps(payload))
        return raise_error_from_response(data_raw, KeycloakGetError, expected_code=204) 

def delete_group_realm_roles(self, group_id, roles):
        """
        Delete realm roles of a group

        :param group_id: id of group
        :param roles: roles list or role (use GroupRoleRepresentation)
        :return Keycloak server response
        """

        payload = roles if isinstance(roles, list) else [roles]
        params_path = {"realm-name": self.realm_name, "id": group_id}
        data_raw = self.raw_delete(URL_ADMIN_GROUPS_REALM_ROLES.format(**params_path),
                                 data=json.dumps(payload))
        return raise_error_from_response(data_raw, KeycloakGetError, expected_code=204) 

def getItemWidth(self) -> int:
        """
        Only for transactions derived from HArray

        :return: width of item in original array
        """
        if not isinstance(self.dtype, HArray):
            raise TypeError()
        return (self.bitAddrEnd - self.bitAddr) // self.itemCnt 

def __repr__(self, offset: int=0):
        offsetStr = "".join(["    " for _ in range(offset)])

        try:
            name = self.origin[-1].name
        except (AttributeError, IndexError):
            name = None

        if name:
            name = " name:%s," % name
        else:
            name = ""

        s = "%s<TransTmpl%s start:%d, end:%d" % (offsetStr, name,
                                                 self.bitAddr, self.bitAddrEnd)
        if isinstance(self.dtype, (HArray, HStream)):
            s += ", itemCnt:%d" % (self.itemCnt) + "\n"
            s += self.children.__repr__(offset=offset + 1) + "\n"
            s += offsetStr + ">"
            return s
        elif not self.children:
            return s + ">"

        buff = [s, ]
        for isLast, child in iter_with_last(self.children):
            buff.append(child.__repr__(offset=offset + 1))
            if self.childrenAreChoice and not isLast:
                buff.append(offsetStr + "    <OR>")

        buff.append(offsetStr + ">")
        return "\n".join(buff) 

def assign_realm_roles(self, user_id, client_id, roles):
        """
        Assign realm roles to a user

        :param user_id: id of user
        :param client_id: id of client containing role (not client-id)
        :param roles: roles list or role (use RoleRepresentation)
        :return Keycloak server response
        """

        payload = roles if isinstance(roles, list) else [roles]
        params_path = {"realm-name": self.realm_name, "id": user_id}
        data_raw = self.raw_post(URL_ADMIN_USER_REALM_ROLES.format(**params_path),
                                 data=json.dumps(payload))
        return raise_error_from_response(data_raw, KeycloakGetError, expected_code=204) 

def parsefile(self, fobj):
        '''Parses file or a file like object.

        Args:
            fobj (str or file): Name of a file or a file like object.
        '''
        if isinstance(fobj, str):
            if fobj == STDIN:
                self._includefile(None, sys.stdin, STDIN, os.getcwd())
            else:
                inpfp = _open_input_file(fobj, self._encoding)
                self._includefile(None, inpfp, fobj, os.path.dirname(fobj))
                inpfp.close()
        else:
            self._includefile(None, fobj, FILEOBJ, os.getcwd()) 

def _func_import(self, name, *_, **__):
        module = self._scope.get(name, None)
        if module is not None and isinstance(module, types.ModuleType):
            return module
        msg = "Import of module '{0}' via '__import__' not allowed".format(name)
        raise ImportError(msg) 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)


    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)


    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def auto_refresh_token(self, value):
        allowed_methods = {'get', 'post', 'put', 'delete'}
        if not isinstance(value, Iterable):
            raise TypeError('Expected a list of strings among {allowed}'.format(allowed=allowed_methods))
        if not all(method in allowed_methods for method in value):
            raise TypeError('Unexpected method in auto_refresh_token, accepted methods are {allowed}'.format(allowed=allowed_methods))

        self._auto_refresh_token = value 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def style(name, element):
    def _style_tags(tags):
        if not tags:
            return ''

        return u'[{}]'.format(', '.join(
            style('tag', tag) for tag in tags
        ))

    def _style_short_id(id):
        return style('id', id[:7])

    formats = {
        'project': {'fg': 'magenta'},
        'tags': _style_tags,
        'tag': {'fg': 'blue'},
        'time': {'fg': 'green'},
        'error': {'fg': 'red'},
        'date': {'fg': 'cyan'},
        'short_id': _style_short_id,
        'id': {'fg': 'white'}
    }

    fmt = formats.get(name, {})

    if isinstance(fmt, dict):
        return click.style(element, **fmt)
    else:
        # The fmt might be a function if we need to do some computation
        return fmt(element) 

def safe_save(path, content, ext='.bak'):
    """
    Save given content to file at given path safely.

    `content` may either be a (unicode) string to write to the file, or a
    function taking one argument, a file object opened for writing. The
    function may write (unicode) strings to the file object (but doesn't need
    to close it).

    The file to write to is created at a temporary location first. If there is
    an error creating or writing to the temp file or calling `content`, the
    destination file is left untouched. Otherwise, if all is well, an existing
    destination file is backed up to `path` + `ext` (defaults to '.bak') and
    the temporary file moved into its place.

    """
    tmpfp = tempfile.NamedTemporaryFile(mode='w+', delete=False)
    try:
        with tmpfp:
            if isinstance(content, text_type):
                tmpfp.write(content)
            else:
                content(tmpfp)
    except Exception:
        try:
            os.unlink(tmpfp.name)
        except (IOError, OSError):
            pass
        raise
    else:
        if os.path.exists(path):
            try:
                os.unlink(path + ext)
            except OSError:
                pass
            shutil.move(path, path + ext)

        shutil.move(tmpfp.name, path) 

def json_arrow_encoder(obj):
    """
    Encodes Arrow objects for JSON output.
    This function can be used with
    `json.dumps(..., default=json_arrow_encoder)`, for example.
    If the object is not an Arrow type, a TypeError is raised
    :param obj: Object to encode
    :return: JSON representation of Arrow object as defined by Arrow
    """
    if isinstance(obj, arrow.Arrow):
        return obj.for_json()

    raise TypeError("Object {} is not JSON serializable".format(obj)) 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)

    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def pow(x, y, z=_SENTINEL):
        """
        pow(x, y[, z]) -> number

        With two arguments, equivalent to x**y.  With three arguments,
        equivalent to (x**y) % z, but may be more efficient (e.g. for ints).
        """
        # Handle newints
        if isinstance(x, newint):
            x = long(x)
        if isinstance(y, newint):
            y = long(y)
        if isinstance(z, newint):
            z = long(z)

        try:
            if z == _SENTINEL:
                return _builtin_pow(x, y)
            else:
                return _builtin_pow(x, y, z)
        except ValueError:
            if z == _SENTINEL:
                return _builtin_pow(x+0j, y)
            else:
                return _builtin_pow(x+0j, y, z)


    # ``future`` doesn't support Py3.0/3.1. If we ever did, we'd add this:
    #     callable = __builtin__.callable 

def normalize_operation(self, operation):  # pylint:disable=W0621
        """
        Normalize an operation by resolving its name if necessary.

        Parameters
        ----------
        operation : Operation or str
            Operation instance or name of an operation.

        Returns
        -------
        normalized_operation : Operation
            Operation instance.

        Raises
        ------
        ValueError
            If `operation` is not an `Operation` instance or an operation name.
        RuntimeError
            If `operation` is an `Operation` instance but does not belong to this graph.
        KeyError
            If `operation` is an operation name that does not match any operation of this graph.
        """
        if isinstance(operation, Operation):
            if operation.graph is not self:
                raise RuntimeError(f"operation '{operation}' does not belong to this graph")
            return operation
        if isinstance(operation, str):
            return self.operations[operation]
        raise ValueError(f"'{operation}' is not an `Operation` instance or operation name")