mirror of https://github.com/ArduPilot/ardupilot
79 lines
3.8 KiB
Python
79 lines
3.8 KiB
Python
from lxml import etree
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from emit import Emit
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from param import known_param_fields, known_units
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# Emit ArduPilot documentation in an machine readable XML format
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class XmlEmit(Emit):
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def __init__(self, *args, **kwargs):
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Emit.__init__(self, *args, **kwargs)
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self.wiki_fname = 'apm.pdef.xml'
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self.f = open(self.wiki_fname, mode='w')
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self.preamble = '''<?xml version="1.0" encoding="utf-8"?>
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<!-- Dynamically generated list of documented parameters (generated by param_parse.py) -->
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'''
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self.f.write(self.preamble)
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self.paramfile = etree.Element('paramfile')
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self.vehicles = etree.SubElement(self.paramfile, 'vehicles')
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self.libraries = etree.SubElement(self.paramfile, 'libraries')
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self.current_element = self.vehicles
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def close(self):
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# etree.indent(self.paramfile) # not available on thor, Ubuntu 16.04
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pretty_xml = etree.tostring(self.paramfile, pretty_print=True, encoding='unicode')
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self.f.write(pretty_xml)
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self.f.close()
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def emit_comment(self, s):
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self.f.write("<!-- " + s + " -->")
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def start_libraries(self):
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self.current_element = self.libraries
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def emit(self, g):
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xml_parameters = etree.SubElement(self.current_element, 'parameters', name=g.reference) # i.e. ArduPlane
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for param in g.params:
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# Begin our parameter node
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if hasattr(param, 'DisplayName'):
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xml_param = etree.SubElement(xml_parameters, 'param', humanName=param.DisplayName, name=param.name) # i.e. ArduPlane (ArduPlane:FOOPARM)
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else:
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xml_param = etree.SubElement(xml_parameters, 'param', name=param.name)
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if hasattr(param, 'Description'):
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xml_param.set('documentation', param.Description) # i.e. parameter docs
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if hasattr(param, 'User'):
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xml_param.set('user', param.User) # i.e. Standard or Advanced
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if hasattr(param, 'Calibration'):
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xml_param.set('calibration', param.Calibration)
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# Add values as chidren of this node
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for field in param.__dict__.keys():
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if field not in ['name', 'DisplayName', 'Description', 'User'] and field in known_param_fields:
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if field == 'Values' and Emit.prog_values_field.match(param.__dict__[field]):
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xml_values = etree.SubElement(xml_param, 'values')
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values = (param.__dict__[field]).split(',')
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for value in values:
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v = value.split(':')
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if len(v) != 2:
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raise ValueError("Bad value (%s)" % v)
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# i.e. numeric value, string label
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xml_value = etree.SubElement(xml_values, 'value', code=v[0])
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xml_value.text = v[1]
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elif field == 'Units':
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abreviated_units = param.__dict__[field]
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if abreviated_units != '':
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units = known_units[abreviated_units] # use the known_units dictionary to convert the abreviated unit into a full textual one
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xml_field1 = etree.SubElement(xml_param, 'field', name=field) # i.e. A/s
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xml_field1.text = abreviated_units
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xml_field2 = etree.SubElement(xml_param, 'field', name='UnitText') # i.e. ampere per second
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xml_field2.text = units
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else:
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xml_field = etree.SubElement(xml_param, 'field', name=field)
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xml_field.text = param.__dict__[field]
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if xml_param.text is None and not len(xml_param):
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xml_param.text = '\n' # add </param> on next line in case of empty element.
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