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Merge pull request #99 from mokaddem/more-feed

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Usage of sha1 to filter paste content in Mixer.py
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Alexandre Dulaunoy 2017-01-09 17:06:37 +01:00 committed by GitHub
commit 1950a2dc0e
1 changed files with 8 additions and 6 deletions
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14
bin/Mixer.py
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@ -19,7 +19,7 @@ Depending on the configuration, this module will process the feed as follow:
- Elseif, the saved content associated with the paste is not the same, process it - Elseif, the saved content associated with the paste is not the same, process it
- Else, do not process it but keep track for statistics on duplicate - Else, do not process it but keep track for statistics on duplicate
Note that the hash of the content is defined as the gzip64encoded. Note that the hash of the content is defined as the sha1(gzip64encoded).
Every data coming from a named feed can be sent to a pre-processing module before going to the global module. Every data coming from a named feed can be sent to a pre-processing module before going to the global module.
The mapping can be done via the variable feed_queue_mapping The mapping can be done via the variable feed_queue_mapping
@ -32,6 +32,7 @@ Requirements
""" """
import base64 import base64
import hashlib
import os import os
import time import time
from pubsublogger import publisher from pubsublogger import publisher
@ -106,10 +107,11 @@ if __name__ == '__main__':
duplicated_paste_per_feeder[feeder_name] = 0 duplicated_paste_per_feeder[feeder_name] = 0
relay_message = "{0} {1}".format(paste_name, gzip64encoded) relay_message = "{0} {1}".format(paste_name, gzip64encoded)
digest = hashlib.sha1(gzip64encoded).hexdigest()
# Avoid any duplicate coming from any sources # Avoid any duplicate coming from any sources
if operation_mode == 1: if operation_mode == 1:
if server.exists(gzip64encoded): # Content already exists if server.exists(digest): # Content already exists
#STATS #STATS
duplicated_paste_per_feeder[feeder_name] += 1 duplicated_paste_per_feeder[feeder_name] += 1
else: # New content else: # New content
@ -120,8 +122,8 @@ if __name__ == '__main__':
else: else:
p.populate_set_out(relay_message, 'Mixer') p.populate_set_out(relay_message, 'Mixer')
server.sadd(gzip64encoded, feeder_name) server.sadd(digest, feeder_name)
server.expire(gzip64encoded, ttl_key) server.expire(digest, ttl_key)
# Keep duplicate coming from different sources # Keep duplicate coming from different sources
@ -131,7 +133,7 @@ if __name__ == '__main__':
if content is None: if content is None:
# New content # New content
# Store in redis for filtering # Store in redis for filtering
server.set('HASH_'+paste_name, content) server.set('HASH_'+paste_name, digest)
server.sadd(paste_name, feeder_name) server.sadd(paste_name, feeder_name)
server.expire(paste_name, ttl_key) server.expire(paste_name, ttl_key)
server.expire('HASH_'+paste_name, ttl_key) server.expire('HASH_'+paste_name, ttl_key)
@ -143,7 +145,7 @@ if __name__ == '__main__':
p.populate_set_out(relay_message, 'Mixer') p.populate_set_out(relay_message, 'Mixer')
else: else:
if gzip64encoded != content: if digest != content:
# Same paste name but different content # Same paste name but different content
#STATS #STATS
duplicated_paste_per_feeder[feeder_name] += 1 duplicated_paste_per_feeder[feeder_name] += 1