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JMV3.0 Parser for JTWC
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#!/usr/bin/python3 | |
import datetime | |
import sys | |
def info_parser(lines, result): | |
row = lines[0].split(' ') | |
result['name'] = row[2] | |
result['number'] = int(row[5]) | |
result['time'] = datetime.datetime( | |
int(lines[0][0:4]), #year | |
int(lines[0][4:6]), #month | |
int(lines[0][6:8]), #day | |
int(lines[0][8:10]))#hour | |
return (lines[1:], result) | |
def forecast_parser(lines, result): | |
def wind_iterator(lst, tmp): | |
if(len(lst) == 0 or lst[0] == '' or lst[0][0] != 'R'): | |
return tmp | |
#print(lst) | |
data = {} | |
data['windspeed'] = int(lst[0][1:]) | |
data['radius'] = ( | |
int(lst[lst.index('NE')-1]), | |
int(lst[lst.index('SE')-1]), | |
int(lst[lst.index('SW')-1]), | |
int(lst[lst.index('NW')-1])) | |
tmp.append(data) | |
return wind_iterator(lst[13:],tmp) | |
def iterator(lines,res): | |
if(lines[0][0] != 'T'): | |
return (res, lines) | |
raw = lines[0].split(' ') | |
data = {} | |
#print(raw) | |
data['time'] = result['time'] + datetime.timedelta(hours=int(raw[0][1:])) | |
data['position'] = ( | |
int(raw[1][0:3]) * (-1 if(raw[1].find('S')!=-1) else 1) / 10, | |
int(raw[2][0:4]) * (-1 if(raw[2].find('W')!=-1) else 1) / 10) | |
data['windspeed'] = int(raw[3]) | |
data['windarea'] = tuple(wind_iterator(raw[4:],[])) | |
res.append(data) | |
return iterator(lines[1:], res) | |
r = iterator(lines, []) | |
result['forecasts'] = tuple(r[0]) | |
return (r[1], result) | |
def skip_parser(lines, result, mark): | |
cdr = lines[1:] | |
while(cdr[0].find(mark) == -1): | |
if(len(cdr) == 0): | |
break | |
cdr = cdr[1:] | |
return (cdr[1:], result) | |
def route_parser(lines, result): | |
def pos_parser(p): | |
pos = (int(p[0:3])/10, int(p[4:8])/10) | |
if(p.find('S') != -1): | |
pos[0] = pos[0]*-1 | |
if(p.find('W') != -1): | |
pos[1] = pos[1]*-1 | |
return pos | |
def time_parser(s): | |
return datetime.datetime( | |
int(s[2:4])+2000, | |
int(s[4:6]), | |
int(s[6:8]), | |
int(s[8:10])) | |
route = [] | |
for l in lines: | |
if(l.find('NNNN') != -1): | |
result['route'] = tuple(route) | |
return ([], result) | |
row = l.split(' ') | |
tmp = {} | |
tmp['postion'] = pos_parser(row[1]) | |
tmp['time'] = time_parser(row[0]) | |
tmp['windspeed'] = int(row[3]) | |
route.append(tmp) | |
def parse(filename): | |
lines = [] | |
with open(filename) as f: | |
for line in f: | |
lines.append(line.replace('\n','')) | |
result = (lines[2:], {}) | |
result = info_parser(result[0], result[1]) | |
result = forecast_parser(result[0], result[1]) | |
result = skip_parser(result[0], result[1], '//') | |
result = route_parser(result[0], result[1]) | |
return result[1] | |
if(__name__=='__main__'): | |
FILENAME=sys.argv[1] | |
print(parse(FILENAME)) |
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