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use getContent so it works local or remote
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""" | ||
Usage: | ||
callback convert.wmo00_write | ||
WMO-386 manual SFTP/FTP file naming convention | ||
https://library.wmo.int/viewer/35800/?offset=#page=157&viewer=picture&o=bookmark&n=0&q= | ||
""" | ||
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from curses.ascii import SOH,ETX | ||
from sarracenia.flowcb import FlowCB | ||
import logging, random, subprocess, os | ||
import os | ||
import sarracenia | ||
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logger = logging.getLogger(__name__) | ||
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class Wmo00_write(FlowCB): | ||
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def __init__(self,options) : | ||
super().__init__(options,logger) | ||
self.o.add_option(option='work_directory', kind='str', default_value="/tmp") | ||
self.o.add_option(option='wmo_origin_CCCC', kind='str', default_value="XXXX") | ||
self.o.add_option(option='wmo_type_marker', kind='str', default_value="a") | ||
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# FIXME: note for later, assign first digit based on node number in cluster. | ||
self.sequence_first_digit=0 | ||
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# FIXME: does starting point matter? | ||
self.sequence=0 | ||
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def after_accept(self,worklist): | ||
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if len(worklist.incoming) == 0: | ||
return | ||
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grouped_file=f"{self.o.work_directory}/{self.o.wmo_origin_CCCC}{self.sequence_first_digit}{self.sequence:05d}.{self.o.wmo_type_marker}" | ||
output_file=open(grouped_file,"w") | ||
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sequence_no=1 | ||
new_incoming=[] | ||
for m in worklist.incoming: | ||
input_data =m.getContent(self.o) | ||
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# length is the payload + the SOH and ETX chars. | ||
# the \0 is a format identifier. | ||
output_record = f"{len(input_data)+2:08d}\0\r\r\n{sequence_no:03d}\r\r\n{SOH}{input_data}{ETX}" | ||
output_file.write( output_record ) | ||
sequence_no+=1 | ||
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output_file.close() | ||
msg = sarracenia.Message.fromFileData(grouped_file, self.o, os.stat(grouped_file)) | ||
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logger.info( f" grouped_file {grouped_file} {msg['size']} bytes, {sequence_no-1} records" ) | ||
worklist.incoming=[ msg ] | ||
self.sequence+=1 | ||
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