Something like this?
from pathlib import Path
class Security:
def __init__(self, match_value):
'''
Note directory structure:
put your selected file in threats directory.
YourSourceDir/
data/
threats/
EmergingThreats.txt
src/
thisProgram.py
:param match_value: The value you want to select and write to output file
'''
self.homepath = Path('.')
self.rootpath = self.homepath / '..'
self.datapath = self.rootpath / 'data'
self.datapath.mkdir(exist_ok=True)
self.threatpath = self.datapath / 'threats'
self.threatpath.mkdir(exist_ok=True)
self.emthreat_file = self.threatpath / 'EmergingThreats.txt'
self.selections_out = self.threatpath / 'SelectedThreats.txt'
self.select_output(match_value)
def select_output(self, match_value):
with self.emthreat_file.open('r') as f, self.selections_out.open('w') as f1:
for line in f:
line = line.strip()
if line.startswith('#') or len(line) == 0:
continue
cidx = line.index('classtype')
classtype = line[cidx:]
cidx = classtype.index(';')
classtype = classtype[:cidx]
ctype = classtype.split(':')
classtype = ctype[1]
if classtype == match_value:
f1.write('{}\n'.format(line))
def testit():
# change classtype you want selected here
Security('misc-attack')
if __name__ == '__main__':
testit()You can modify this for your exact requirements