mirror of
https://github.com/paparazzi/paparazzi.git
synced 2026-05-11 07:49:41 +08:00
Felix Ruess
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
"""
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Paparazzi message representation
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"""
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from __future__ import print_function
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import sys
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import json
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import messages_xml_map
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class PprzMessageError(Exception):
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def __init__(self, message, inner_exception=None):
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self.message = message
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self.inner_exception = inner_exception
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self.exception_info = sys.exc_info()
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def __str__(self):
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return self.message
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class PprzMessage(object):
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"""base Paparazzi message class"""
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def __init__(self, class_name, name):
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self._class_name = class_name
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self._name = name
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self._id = messages_xml_map.get_msg_id(class_name, name)
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self._fieldnames = messages_xml_map.get_msg_fields(class_name, name)
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self._fieldvalues = []
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def get_fieldnames(self):
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return self._fieldnames
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def get_fieldvalues(self):
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return self._fieldvalues
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def get_field(self, idx):
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return self._fieldvalues[idx]
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def set_values(self, values):
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if len(values) == len(self._fieldnames):
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self._fieldvalues = values
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else:
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raise PprzMessageError("Error: fields not matching")
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def __str__(self):
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ret = '%s.%s {' % (self._class_name, self._name)
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for idx, f in enumerate(self._fieldnames):
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ret += '%s : %s, ' % (f, self._fieldvalues[idx])
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ret = ret[0:-2] + '}'
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return ret
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def to_dict(self, payload_only=False):
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d = {}
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if not payload_only:
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d['msgname'] = self._name
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d['msgclass'] = self._class_name
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for idx, f in enumerate(self._fieldnames):
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d[f] = self._fieldvalues[idx]
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return d
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def to_json(self, payload_only=False):
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return json.dumps(self.to_dict(payload_only))
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