diff options
Diffstat (limited to 'python/trx/change_sign_of_dict_elements.py')
-rw-r--r-- | python/trx/change_sign_of_dict_elements.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/python/trx/change_sign_of_dict_elements.py b/python/trx/change_sign_of_dict_elements.py new file mode 100644 index 0000000..fd7c585 --- /dev/null +++ b/python/trx/change_sign_of_dict_elements.py @@ -0,0 +1,30 @@ +""" +Embedded Python Blocks: + +Each this file is saved, GRC will instantiate the first class it finds to get +ports and parameters of your block. The arguments to __init__ will be the +parameters. All of them are required to have default values! +""" + +from gnuradio import gr +from pmt import * + +class change_sign_of_dict_elements(gr.basic_block): + def __init__(self): # only default arguments here + gr.basic_block.__init__( + self, + name='Change sign of elts in dict', + in_sig=[], + out_sig=[] + ) + self.message_port_register_in(intern("dict_in")) + self.message_port_register_out(intern("dict_out")) + self.set_msg_handler(intern("dict_in"), self.change_sign) + + def change_sign(self, msg): + if is_dict(msg): + d = to_python(msg) + #print d + for key, value in d.items(): + d[key] *= -1 + self.message_port_pub(intern("dict_out"), to_pmt(d)) |