def command_info(ns):
"""
Command to show metadata information of given files from command line.
"""
flat_text_render = FlatTextRenderer()
decoder = Decoder(definitions_dir=ns.definitions_directory,
tables_root_dir=ns.tables_root_directory)
def show_message_info(m):
bufr_template, table_group = m.build_template(
ns.tables_root_directory, normalize=1)
print(flat_text_render.render(m))
if ns.template:
print(flat_text_render.render(bufr_template))
for filename in ns.filenames:
with open(filename, 'rb') as ins:
s = ins.read()
if ns.multiple_messages:
for bufr_message in generate_bufr_message(decoder, s,
file_path=filename, info_only=True):
show_message_info(bufr_message)
elif ns.count_only:
count = 0
for _ in generate_bufr_message(decoder, s, info_only=True):
count += 1
print('{}: {}'.format(filename, count))
else:
bufr_message = decoder.process(s, file_path=filename, info_only=True)
show_message_info(bufr_message)
def test(self):
output = []
with open(os.path.join(DATA_DIR, 'prepbufr.bufr'), 'rb') as ins:
for bufr_message in generate_bufr_message(self.decoder,
ins.read()):
output.append(FlatTextRenderer().render(bufr_message))
lines = [
line for line in ('\n'.join(output)).splitlines(True)
if not line.startswith('TableGroupKey')
and not line.startswith('stop_signature')
]
assert ''.join(lines).endswith(compare)
def command_decode(ns):
"""
Command to decode given files from command line.
"""
decoder = Decoder(
definitions_dir=ns.definitions_directory,
tables_root_dir=ns.tables_root_directory,
compiled_template_cache_max=ns.compiled_template_cache_max)
def show_message(m):
if ns.attributed:
m.wire()
if ns.json:
print(
json.dumps(NestedJsonRenderer().render(m),
**JSON_DUMPS_KWARGS))
else:
print(NestedTextRenderer().render(m))
else:
if ns.json:
print(
json.dumps(FlatJsonRenderer().render(m),
**JSON_DUMPS_KWARGS))
else:
print(FlatTextRenderer().render(m))
for filename in ns.filenames:
if filename != '-':
with open(filename, 'rb') as ins:
s = ins.read()
else:
s = sys.stdin.read()
if ns.multiple_messages:
for bufr_message in generate_bufr_message(
decoder,
s,
continue_on_error=ns.continue_on_error,
file_path=filename,
wire_template_data=False,
ignore_value_expectation=ns.ignore_value_expectation,
filter_expr=ns.filter):
show_message(bufr_message)
else:
bufr_message = decoder.process(
s,
file_path=filename,
wire_template_data=False,
ignore_value_expectation=ns.ignore_value_expectation)
show_message(bufr_message)
def command_split(ns):
"""
Command to split given files from command line into one file per
BufrMessage.
"""
decoder = Decoder(definitions_dir=ns.definitions_directory,
tables_root_dir=ns.tables_root_directory)
for filename in ns.filenames:
with open(filename, 'rb') as ins:
s = ins.read()
for idx, bufr_message in enumerate(
generate_bufr_message(decoder, s, file_path=filename, info_only=True)):
new_filename = '{}.{}'.format(filename, idx)
print(new_filename)
with open(new_filename, 'wb') as outs:
outs.write(bufr_message.serialized_bytes)
msg = {
# subset forecast data
'significance': data_query(bufr, '316082' + '> 008005')}
for index in msg['significance'].subset_indices():
sig = np.array(msg['significance'].get_values(index), dtype='int')
print(sig)
#%%
from pybufrkit.decoder import generate_bufr_message
i=1
with open(os.path.join(path_ecmwf,ecmwf_file), 'rb') as ins:
for bufr in generate_bufr_message(decoder1, ins.read()):
text_data = FlatTextRenderer().render(bufr)
f=open('C:/Users/ATeklesadik/OneDrive - Rode Kruis/Documents/documents/Typhoon-Impact-based-forecasting-model/temp/file_%s.txt'%i,'w')
f.write(text_data)
f.close()
i=i+1
#%%
# setup parsers and querents
npparser = pybufrkit.dataquery.NodePathParser()
data_query = pybufrkit.dataquery.DataQuerent(npparser).query
meparser = pybufrkit.mdquery.MetadataExprParser()
meta_query = pybufrkit.mdquery.MetadataQuerent(meparser).query
def test_can_filter_message(self):
bufr_messages = [m for m in generate_bufr_message(
self.decoder,
read_bufr_file('multi_invalid_messages.bufr'),
filter_expr='${%data_category} == 2')]
assert len(bufr_messages) == 1, 'expect one message to be filtered'
def test_can_continue_on_error(self):
bufr_messages = [m for m in generate_bufr_message(
self.decoder,
read_bufr_file('multi_invalid_messages.bufr'),
continue_on_error=True)]
assert len(bufr_messages) == 1, 'expect one good message'
