AIL-framework/bin/import_dir.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import zmq
import base64
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from io import StringIO
import datetime
import gzip
import argparse
import os
import time, datetime
import magic
import re
'''
'
' Import content/pastes into redis.
' If content is not compressed yet, compress it (only text).
'
' /!\ WARNING /!\
Content to be imported can be placed in a directory tree of the form
root/
|
+-- Year/
|
+-- Month/
|
+-- Day/
|
+-- Content
e.g.:
~/to_import/2017/08/22/paste1.gz
or this directory tree will be created with the current date
e.g.:
~/to_import/paste1.gz
'
'''
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def is_hierachy_valid(path):
var = path.split('/')
try:
newDate = datetime.datetime(int(var[-4]), int(var[-3]), int(var[-2]))
correctDate = True
except ValueError:
correctDate = False
except IndexError:
correctDate = False
except:
correctDate = False
return correctDate
def sanitize_str(str_var, invalid_char_regex):
res = re.sub(invalid_char_regex, "-", str_var)
return res.replace(' ', '_')
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Take files from a directory and push them into a 0MQ feed.')
parser.add_argument('-d', '--directory', type=str, required=True, help='Root directory to import')
parser.add_argument('-p', '--port', type=int, default=5556, help='Zero MQ port')
parser.add_argument('-c', '--channel', type=str, default='102', help='Zero MQ channel')
parser.add_argument('-n', '--name', type=str, default='import_dir', help='Name of the feeder')
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parser.add_argument('-s', '--seconds', type=float, default=0.2, help='Second between pastes')
parser.add_argument('--hierarchy', type=int, default=1, help='Number of parent directory forming the name')
args = parser.parse_args()
context = zmq.Context()
socket = context.socket(zmq.PUB)
socket.bind("tcp://*:{}".format(args.port))
time.sleep(1) #Important, avoid loosing the 1 message
invalid_char = r'[\\/*?&%=:"<>|#\\\']'
invalid_char_dir = r'[\\*?&%=:"<>|#\\\']'
for dirname, dirnames, filenames in os.walk(args.directory):
for filename in filenames:
complete_path = os.path.join(dirname, filename)
with open(complete_path, 'rb') as f:
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messagedata = f.read()
#verify that the data is gzipEncoded. if not compress it
if 'text/plain' in str(magic.from_buffer(messagedata, mime=True)):
messagedata = gzip.compress(messagedata)
complete_path += '.gz'
if complete_path[-4:] != '.gz':
#if paste do not have a 'date hierarchy', create it
if not is_hierachy_valid(complete_path):
now = datetime.datetime.now()
paste_name = complete_path.split('/')[-1]
paste_name = sanitize_str(paste_name, invalid_char)
directory = complete_path.split('/')[-2]
directory = sanitize_str(directory, invalid_char_dir)
wanted_path = os.path.join(directory, now.strftime("%Y"), now.strftime("%m"), now.strftime("%d"), paste_name)
wanted_path = os.path.relpath(wanted_path)
else:
#take wanted path of the file
wanted_path = os.path.relpath(complete_path)
wanted_path = wanted_path.split('/')
wanted_path = '/'.join(wanted_path[-(4+args.hierarchy):])
wanted_path = sanitize_str(wanted_path, invalid_char_dir)
# sanitize feeder_name
feeder_name = os.path.relpath(sanitize_str(args.name, invalid_char))
path_to_send = 'import_dir/' + feeder_name + '>>' + wanted_path
s = b' '.join( [ args.channel.encode(), path_to_send.encode(), base64.b64encode(messagedata) ] )
socket.send(s)
print('import_dir/' + feeder_name+'>>'+wanted_path)
time.sleep(args.seconds)
else:
print('{} : incorrect type'.format(complete_path))