egemenimre/ccsds-ndm

CCSDS Navigation Data Messages Read/Write Library

ccsds-ndm's Issues

XML headers

See here:
tefra/xsdata#320 (comment)

Check for updates to xsdata

Read the Docs - ilk adım

Read the Docs konusunda deneyimi olan arkadaşlar varsa buyrun söhpete. :)

Ben Read the Docs kullanıyorum ve memnunum, config dosyaları ve kurulum konusunda da ilk adımı atabilirim. Ama deneyimli birinden yardım gelirse daha iyi olur tabii.

tdm.body.segment.data not loaded in kvn format

Hi,

I downloaded your project at the latest version 2.1 and I read a kvn file using the command

cdm = NdmIo().from_path(input_kvn_file)

and printing cmd I got

Tdm(header=TdmHeader(comment=[], creation_date='2016-09-30T12:48:03', originator='ESA', message_id=None), body=TdmBody(segment=[TdmSegment(metadata=TdmMetadata(comment=[], track_id=None, data_types=None, time_system=<TimeSystemType.UTC: 'UTC'>, start_time='2016-09-23T22:16:15.00', stop_time='2016-09-23T22:17:55.00', participant_1='ZIMLAT', participant_2='auto01', participant_3=None, participant_4=None, participant_5=None, mode=<ModeType.SEQUENTIAL: 'SEQUENTIAL'>, path='2,1', path_1=None, path_2=None, ephemeris_name_1=None, ephemeris_name_2=None, ephemeris_name_3=None, ephemeris_name_4=None, ephemeris_name_5=None, transmit_band=None, receive_band=None, turnaround_numerator=None, turnaround_denominator=None, timetag_ref=None, integration_interval=None, integration_ref=None, freq_offset=None, range_mode=None, range_modulus=None, range_units=None, angle_type=<AngleTypeType.RADEC: 'RADEC'>, reference_frame=<RefFrameType.EME2000: 'EME2000'>, interpolation=None, interpolation_degree=None, doppler_count_bias=None, doppler_count_scale=None, doppler_count_rollover=None, transmit_delay_1=None, transmit_delay_2=None, transmit_delay_3=None, transmit_delay_4=None, transmit_delay_5=None, receive_delay_1=None, receive_delay_2=None, receive_delay_3=None, receive_delay_4=None, receive_delay_5=None, data_quality=None, correction_angle_1=None, correction_angle_2=None, correction_doppler=None, correction_mag=None, correction_range=None, correction_rcs=None, correction_receive=None, correction_transmit=None, correction_aberration_yearly=None, correction_aberration_diurnal=None, corrections_applied=None), data=None)]), id='CCSDS_TDM_VERS', version='2.0')

In the input kvn file data section contains values. How can I solve it?

Regards.

Andrea Chessa

missing requirement to ```lxml```

If ccsds_ndm is installed with pip install ccsds_ndm as shown in README.rst, lxml does not get installed. requirements.txt does include lxml, though.

Released version does not contain source code

Hi! 👋 (Coming from https://twitter.com/poliastro_py/status/1331735972883664898)

I tried pip install ccsds_ndm as explained in the README, but could not import any code. I realized that the wheel available from PyPI is almost empty:

$ unzip -l ccsds_ndm-1.0-py2.py3-none-any.whl 
Archive:  ccsds_ndm-1.0-py2.py3-none-any.whl
  Length      Date    Time    Name
---------  ---------- -----   ----
      210  2020-11-25 00:08   ccsds_ndm.py
    35149  2020-11-15 08:03   ccsds_ndm-1.0.dist-info/LICENSE
       99  2016-01-01 00:00   ccsds_ndm-1.0.dist-info/WHEEL
     5862  2016-01-01 00:00   ccsds_ndm-1.0.dist-info/METADATA
      363  2016-01-01 00:00   ccsds_ndm-1.0.dist-info/RECORD
---------                     -------
    41683                     5 files
$ cat ccsds_ndm.py 
# CCSDS-NDM: CCSDS Navigation Data Messages Read/Write Library
#
# Copyright (C) 2020 CCSDS-NDM Egemen Imre
#
# Licensed under GNU GPL v3.0. See LICENSE.rst for more info.
"""
CCSDS-NDM
"""
__version__ = "1.0"

So probably there is some sort of packaging problem.

Multi-line COMMENT in OEM partly put in wrong section

Input is from "Figure 5-1" of "CCSDS RECOMMENDED STANDARD FOR ORBIT DATA MESSAGES" (CCSDS 502.0-B-2 the "Blue book", Issue November 2009) https://public.ccsds.org/Pubs/502x0b2c1e2.pdf
The part that has problems:

META_STOP
COMMENT This file was produced by M.R. Somebody, MSOO NAV/JPL, 1996NOV 04. It is
COMMENT to be used for DSN scheduling purposes only.
1996-12-18T12:00:00.331 2789.619 -280.045 -1746.755 4.73372 -2.49586 -1.04195
...

to reproduce, line5 and 6 below show the current parse result which is wrong:

fnm = 'oem_fig5_1.kvn'
contents = readfile(fnm)
ndm = NdmIo().from_string(contents)
assert ndm.body.segment[0].metadata.comment == []
assert ndm.body.segment[0].data.comment == [
    'This file was produced by M.R. Somebody, MSOO NAV/JPL, 1996NOV 04. It is']
assert ndm.body.segment[1].metadata.comment == [
    'to be used for DSN scheduling purposes only.']
assert ndm.body.segment[1].data.comment == []
assert ndm.body.segment[2].metadata.comment == []
assert ndm.body.segment[2].data.comment == [
        'This block begins after trajectory correction maneuver TCM-3.']

this should pass but is getting an AssertionError:

assert ndm.body.segment[0].data.comment == [
        'This file was produced by M.R. Somebody, MSOO NAV/JPL, 1996NOV 04. It is',
        'to be used for DSN scheduling purposes only.']

Cannot read OMM from Celestrak

I tried downloading https://raw.githubusercontent.com/egemenimre/ccsds-ndm/main/ccsds_ndm/tests/data/ndmxml-1.0-omm-2.0.xml and reading it, successfully:

>>> import ccsds_ndm
>>> ccsds_ndm.__version__
'1.1'
>>> from ccsds_ndm.ndm_io import NdmIo
>>> from pathlib import Path
>>> NdmIo().from_path(Path("ndmxml-1.0-omm-2.0.xml"))
Omm(header=NdmHeader(comment=['THIS EXAMPLE CONFORMS TO FIGURE 4-2 IN 502.0-B-2'], creation_date='2007-065T16:00:00', originator='NOAA/USA'), body=OmmBody(segment=OmmSegment(metadata=OmmMetadata(comment=[], object_name='GOES-9', object_id='1995-025A', center_name='EARTH', ref_frame='TEME', ref_frame_epoch=None, time_system='UTC', mean_element_theory='TLE'), data=OmmData(comment=['USAF SGP4 IS THE ONLY PROPAGATOR THAT SHOULD BE USED FOR THIS DATA'], mean_elements=MeanElementsType(comment=[], epoch='2007-064T10:34:41.4264', semi_major_axis=None, mean_motion=RevType(value=Decimal('1.00273272'), units=None), eccentricity=Decimal('0.0005013'), inclination=InclinationType(value=Decimal('3.0539'), units=None), ra_of_asc_node=AngleType(value=Decimal('81.7939'), units=None), arg_of_pericenter=AngleType(value=Decimal('249.2363'), units=None), mean_anomaly=AngleType(value=Decimal('150.1602'), units=None), gm=GmType(value=Decimal('398600.8'), units=None)), spacecraft_parameters=None, tle_parameters=TleParametersType(comment=[], ephemeris_type=None, classification_type=None, norad_cat_id=23581, element_set_no=925, rev_at_epoch=4316, bstar=BStarType(value=Decimal('0.0001'), units=None), mean_motion_dot=DRevType(value=Decimal('-0.00000113'), units=None), mean_motion_ddot=DdRevType(value=Decimal('0.0'), units=None)), covariance_matrix=None, user_defined_parameters=UserDefinedType(comment=[], user_defined=[UserDefinedParameterType(value='xyz', parameter='ABC0'), UserDefinedParameterType(value='9', parameter='ABC1'), UserDefinedParameterType(value='xyz', parameter='ABC2'), UserDefinedParameterType(value='9', parameter='ABC3'), UserDefinedParameterType(value='xyz', parameter='ABC4'), UserDefinedParameterType(value='9', parameter='ABC5'), UserDefinedParameterType(value='xyz', parameter='ABC6'), UserDefinedParameterType(value='9', parameter='ABC7'), UserDefinedParameterType(value='xyz', parameter='ABC8'), UserDefinedParameterType(value='9', parameter='ABC9')])))), id='CCSDS_OMM_VERS', version='2.0')

However, it doesn't seem to work for https://celestrak.com/NORAD/elements/gp.php?CATNR=45018&FORMAT=XML:

$ wget "https://celestrak.com/NORAD/elements/gp.php?CATNR=45018&FORMAT=XML" -O celestrak_omm.xml -q
$ python -q
>>> from ccsds_ndm.ndm_io import NdmIo
>>> from pathlib import Path
>>> NdmIo().from_path(Path("celestrak_omm.xml"))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/juanlu/.pyenv/versions/poliastro38/lib/python3.8/site-packages/ccsds_ndm/ndm_io.py", line 96, in from_path
    data_type = _NdmDataType.find_element(root.attrib.get("id")).clazz
AttributeError: 'NoneType' object has no attribute 'clazz'

.idea dizini silinecek

Yanlışlıkla eklendi, silinmesi gerek.

ndm_io: auto-detect file type potential fail with v2.0 files

Auto-detect file type currently use v1.0 classes. When adding v2.0 schemas and file types, check for the version as well and use proper (v1.0 or v2.0) class.

How to handle multi-NDMs?

Normally NDM files are "single file-single data", however Combined Instantiation (or multi-NDMs in our parlance) do not conform to this rule. Thinking about how to set up the interface for the user...

• A multi_ndm object, as opposed to an (single-)ndm object?
• Giving the multi-ndm object to the user as normal?
• Helping the user when the multi-ndm is actually a single-ndm?

discussion moved from the "OMM read error" issue, which is now solved: #10

xsdata switchable docstyle

xsdata changed the way it handles the docstyle. Check and update the docstyle if necessary.

xsdata init issue:
tefra/xsdata#318

xsdata Issue resolution:
tefra/xsdata#325

XMLschema ile dosya okuma sorunu

XML schema ile örnek bir dosya okuma kodu yazdım, bununla standarttan alınmış olan örnek CDM dosyasını okumaya çalışıyorum. Ancak açıkça bir namespace sorunu var ve şöyle bir hata alıyorum:

xmlschema.validators.exceptions.XMLSchemaChildrenValidationError: failed validating <Element 'cdm' at 0x7f9838239540> with XsdGroup(model='sequence', occurs=[1, 1]):

Reason: Unexpected child with tag 'header' at position 1. Tag ndm:header expected.

Yardımcı olabilecek olan var mıdır?

import os
from builtins import print
from pathlib import Path
from pprint import pprint

import xmlschema

if __name__ == '__main__':

    # print working directory
    print(f"current working directory is {os.getcwd()}.")

    # check file location
    xml_file_path = Path(os.getcwd(), "..", "sample_xml", "cdm_example_section4.xml")

    print(f"xml file path :  {xml_file_path.absolute()}")
    print(f"file exists   : {xml_file_path.exists()}")

    # define XSD file
    xsd_file_base_path = Path(os.getcwd(), "..", "..", "xsd_files", "ndmxml-1.0.C-schemas-qualified")
    ndm_master_xsd_path = Path(xsd_file_base_path, "ndmxml-1.0-master.xsd")

    xsd = xmlschema.XMLSchema(str(ndm_master_xsd_path))

    # read XML file
    print(f"XML is valid  : {xsd.is_valid(str(xml_file_path))}")
    # print(xsd.validate(str(xml_file_path)))
    pprint(xsd.to_dict(str(xml_file_path)))

Continuous Integration - ilk adım

Continuous integration konusunda deneyimi olan arkadaşlar varsa buyrun söhpete. :)

Ben Circle CI kullanıyorum ve memnunum, config dosyaları ve kurulum konusunda da ilk adımı atabilirim. Ama deneyimli birinden yardım gelirse daha iyi olur tabii.

Cannot write KVN file (`'Ndm' object has no attribute 'id'`)

I tried the following:

ndm = NdmIo().from_path("omm_combined.xml")  # omm_combined.xml from the repository
NdmIo().to_file(ndm, NDMFileFormats.KVN, Path("new.kvn"))

but it failed with this error:

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-23-60823d5a4046> in <module>
----> 1 NdmIo().to_file(ndm, NDMFileFormats.KVN, Path("new.kvn"))

~/Projects/LSF/opensatcom/constellation-designer/.venv/lib/python3.9/site-packages/ccsds_ndm/ndm_io.py in to_file(self, ndm_obj, data_format, xml_write_file_path, **kwargs)
    158 
    159         if data_format is NDMFileFormats.KVN:
--> 160             return NdmKvnIo().to_file(ndm_obj, xml_write_file_path)
    161 
    162         if data_format is NDMFileFormats.JSON:

~/Projects/LSF/opensatcom/constellation-designer/.venv/lib/python3.9/site-packages/ccsds_ndm/ndm_kvn_io.py in to_file(self, ndm_obj, kvn_write_file_path)
    226             Path of the XML file to be written
    227         """
--> 228         kvn_write_file_path.write_text(self.to_string(ndm_obj))
    229 
    230     def to_string(self, ndm_obj):

~/Projects/LSF/opensatcom/constellation-designer/.venv/lib/python3.9/site-packages/ccsds_ndm/ndm_kvn_io.py in to_string(self, ndm_obj)
    242             given object tree as KVN string
    243         """
--> 244         out_str = [_fill_str_out_kvn(ndm_obj.id, ndm_obj.version)]
    245         self._collate_str_out("", ndm_obj, out_str)
    246 

AttributeError: 'Ndm' object has no attribute 'id'

Am I doing anything wrong?