ardupilot/Tools/autotest/param_metadata/param_parse.py

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#!/usr/bin/env python
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from __future__ import print_function
import glob
import os
import re
import sys
from optparse import OptionParser
from param import (Library, Parameter, Vehicle, known_group_fields,
known_param_fields, required_param_fields)
from htmlemit import HtmlEmit
from rstemit import RSTEmit
from wikiemit import WikiEmit
from xmlemit import XmlEmit
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parser = OptionParser("param_parse.py [options]")
parser.add_option("-v", "--verbose", dest='verbose', action='store_true', default=False, help="show debugging output")
parser.add_option("--vehicle", default='*', help="Vehicle type to generate for")
(opts, args) = parser.parse_args()
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# Regular expressions for parsing the parameter metadata
prog_param = re.compile(r"@Param: *(\w+).*((?:\n[ \t]*// @(\w+): (.*))+)(?:\n\n|\n[ \t]+[A-Z])", re.MULTILINE)
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prog_param_fields = re.compile(r"[ \t]*// @(\w+): (.*)")
prog_groups = re.compile(r"@Group: *(\w+).*((?:\n[ \t]*// @(Path): (\S+))+)", re.MULTILINE)
prog_group_param = re.compile(r"@Param: (\w+).*((?:\n[ \t]*// @(\w+): (.*))+)(?:\n\n|\n[ \t]+[A-Z])", re.MULTILINE)
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apm_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), '../../../')
vehicle_paths = glob.glob(apm_path + "%s/Parameters.cpp" % opts.vehicle)
extension = 'cpp'
if len(vehicle_paths) == 0:
vehicle_paths = glob.glob(apm_path + "%s/Parameters.pde" % opts.vehicle)
extension = 'pde'
vehicle_paths.sort(reverse=True)
vehicles = []
libraries = []
error_count = 0
def debug(str_to_print):
"""Debug output if verbose is set."""
if opts.verbose:
print(str_to_print)
def error(str_to_print):
"""Show errors."""
global error_count
error_count += 1
print(str_to_print)
for vehicle_path in vehicle_paths:
name = os.path.basename(os.path.dirname(vehicle_path))
path = os.path.normpath(os.path.dirname(vehicle_path))
vehicles.append(Vehicle(name, path))
debug('Found vehicle type %s' % name)
for vehicle in vehicles:
debug("===\n\n\nProcessing %s" % vehicle.name)
f = open(vehicle.path+'/Parameters.' + extension)
p_text = f.read()
f.close()
param_matches = prog_param.findall(p_text)
group_matches = prog_groups.findall(p_text)
debug(group_matches)
for group_match in group_matches:
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l = Library(group_match[0])
fields = prog_param_fields.findall(group_match[1])
for field in fields:
if field[0] in known_group_fields:
setattr(l, field[0], field[1])
else:
error("unknown parameter metadata field '%s'" % field[0])
if not any(l.name == parsed_l.name for parsed_l in libraries):
libraries.append(l)
for param_match in param_matches:
p = Parameter(vehicle.name+":"+param_match[0])
debug(p.name + ' ')
field_text = param_match[1]
fields = prog_param_fields.findall(field_text)
field_list = []
for field in fields:
field_list.append(field[0])
if field[0] in known_param_fields:
setattr(p, field[0], field[1])
else:
error("unknown parameter metadata field '%s'" % field[0])
for req_field in required_param_fields:
if req_field not in field_list:
error("missing parameter metadata field '%s' in %s" % (req_field, field_text))
vehicle.params.append(p)
debug("Processed %u params" % len(vehicle.params))
debug("Found %u documented libraries" % len(libraries))
for library in libraries:
debug("===\n\n\nProcessing library %s" % library.name)
if hasattr(library, 'Path'):
paths = library.Path.split(',')
for path in paths:
path = path.strip()
debug("\n Processing file '%s'" % path)
if path.endswith('.pde') or path.find('/') == -1:
if len(vehicles) != 1:
print("Unable to handle multiple vehicles with .pde library")
continue
libraryfname = os.path.join(vehicles[0].path, path)
else:
libraryfname = os.path.normpath(os.path.join(apm_path + '/libraries/' + path))
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if path and os.path.exists(libraryfname):
f = open(libraryfname)
p_text = f.read()
f.close()
else:
error("Path %s not found for library %s" % (path, library.name))
continue
param_matches = prog_group_param.findall(p_text)
debug("Found %u documented parameters" % len(param_matches))
for param_match in param_matches:
p = Parameter(library.name+param_match[0])
debug(p.name + ' ')
field_text = param_match[1]
fields = prog_param_fields.findall(field_text)
for field in fields:
if field[0] in known_param_fields:
setattr(p, field[0], field[1])
else:
error("unknown parameter metadata field %s" % field[0])
library.params.append(p)
else:
error("Skipped: no Path found")
debug("Processed %u documented parameters" % len(library.params))
def is_number(numberString):
try:
float(numberString)
return True
except ValueError:
return False
def validate(param):
"""
Validates the parameter meta data.
"""
# Validate values
if (hasattr(param, "Range")):
rangeValues = param.__dict__["Range"].split(" ")
if (len(rangeValues) != 2):
error("Invalid Range values for %s" % (param.name))
return
min_value = rangeValues[0]
max_value = rangeValues[1]
if not is_number(min_value):
error("Min value not number: %s %s" % (param.name, min_value))
return
if not is_number(max_value):
error("Max value not number: %s %s" % (param.name, max_value))
return
for vehicle in vehicles:
for param in vehicle.params:
validate(param)
for library in libraries:
for param in library.params:
validate(param)
def do_emit(emit):
emit.set_annotate_with_vehicle(len(vehicles) > 1)
for vehicle in vehicles:
emit.emit(vehicle, f)
emit.start_libraries()
for library in libraries:
if library.params:
emit.emit(library, f)
emit.close()
do_emit(XmlEmit())
do_emit(WikiEmit())
do_emit(HtmlEmit())
do_emit(RSTEmit())
sys.exit(error_count)