ail-framework/bin/lib/item_basic.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import sys
import gzip
import magic
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sys.path.append(os.path.join(os.environ['AIL_BIN'], 'packages/'))
import Tag
sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib/'))
import ConfigLoader
config_loader = ConfigLoader.ConfigLoader()
# get and sanityze PASTE DIRECTORY
PASTES_FOLDER = os.path.join(os.environ['AIL_HOME'], config_loader.get_config_str("Directories", "pastes")) + '/'
PASTES_FOLDER = os.path.join(os.path.realpath(PASTES_FOLDER), '')
r_cache = config_loader.get_redis_conn("Redis_Cache")
r_serv_metadata = config_loader.get_redis_conn("ARDB_Metadata")
config_loader = None
def exist_item(item_id):
filename = get_item_filepath(item_id)
if os.path.isfile(filename):
return True
else:
return False
def get_item_filepath(item_id):
filename = os.path.join(PASTES_FOLDER, item_id)
return os.path.realpath(filename)
def get_item_date(item_id, add_separator=False):
l_directory = item_id.split('/')
if add_separator:
return '{}/{}/{}'.format(l_directory[-4], l_directory[-3], l_directory[-2])
else:
return '{}{}{}'.format(l_directory[-4], l_directory[-3], l_directory[-2])
def get_basename(item_id):
return os.path.basename(item_id)
def get_source(item_id):
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l_source = item_id.split('/')[:-4]
return os.path.join(*l_source)
# # TODO: add an option to check the tag
def is_crawled(item_id):
return item_id.startswith('crawled')
def get_item_domain(item_id):
return item_id[19:-36]
def get_item_content(item_id):
item_full_path = os.path.join(PASTES_FOLDER, item_id)
try:
item_content = r_cache.get(item_full_path)
except UnicodeDecodeError:
item_content = None
except Exception as e:
item_content = None
if item_content is None:
try:
with gzip.open(item_full_path, 'r') as f:
item_content = f.read().decode()
r_cache.set(item_full_path, item_content)
r_cache.expire(item_full_path, 300)
except Exception as e:
print(e)
item_content = ''
return str(item_content)
def get_item_mimetype(item_id):
return magic.from_buffer(get_item_content(item_id), mime=True)
#### TREE CHILD/FATHER ####
def is_father(item_id):
return r_serv_metadata.exists('paste_children:{}'.format(item_id))
def is_children(item_id):
return r_serv_metadata.hexists('paste_metadata:{}'.format(item_id), 'father')
def is_root_node(item_id):
if is_father(item_id) and not is_children(item_id):
return True
else:
return False
def is_node(item_id):
if is_father(item_id) or is_children(item_id):
return True
else:
return False
def is_leaf(item_id):
if not is_father(item_id) and is_children(item_id):
return True
else:
return False
def is_domain_root(item_id):
if not is_crawled(item_id):
return False
else:
domain = get_item_domain(item_id)
item_father = get_item_parent(item_id)
if not is_crawled(item_father):
return True
else:
# same domain
if get_item_domain(item_father) == domain:
return False
else:
return True
def get_nb_children(item_id):
return r_serv_metadata.scard('paste_children:{}'.format(item_id))
def get_item_parent(item_id):
return r_serv_metadata.hget('paste_metadata:{}'.format(item_id), 'father')
def get_item_children(item_id):
return list(r_serv_metadata.smembers('paste_children:{}'.format(item_id)))
# # TODO: handle domain last origin in domain lib
def _delete_node(item_id):
# only if item isn't deleted
#if is_crawled(item_id):
# r_serv_metadata.hrem('paste_metadata:{}'.format(item_id), 'real_link')
for children_id in get_item_children(item_id):
r_serv_metadata.hdel('paste_metadata:{}'.format(children_id), 'father')
r_serv_metadata.delete('paste_children:{}'.format(item_id))
# delete regular
# simple if leaf
# delete item node
def get_all_domain_node_by_item_id(item_id, l_nodes=[]):
domain = get_item_domain(item_id)
for child_id in get_item_children(item_id):
if get_item_domain(child_id) == domain:
l_nodes.append(child_id)
l_nodes = get_all_domain_node_by_item_id(child_id, l_nodes)
return l_nodes
##-- --##
def add_item_parent_by_parent_id(parent_type, parent_id, item_id):
parent_item_id = get_obj_id_item_id(parent_type, parent_id)
if parent_item_id:
add_item_parent(parent_item_id, item_id)
def add_item_parent(parent_item_id, item_id):
r_serv_metadata.hset('paste_metadata:{}'.format(item_id), 'father', parent_item_id)
r_serv_metadata.sadd('paste_children:{}'.format(parent_item_id), item_id)
return True
# TODO:
# FIXME:
#### UNKNOW SECTION ####
def get_obj_id_item_id(parent_type, parent_id):
all_parents_type = ['twitter_id']
if parent_type in all_parents_type:
return r_serv_metadata.hget('map:twitter_id:item_id', parent_id)
else:
return None
def add_map_obj_id_item_id(obj_id, item_id, obj_type):
if obj_type == 'twitter_id':
r_serv_metadata.hset('map:twitter_id:item_id', obj_id, item_id)
# delete twitter id
##-- --##
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## COMMON ##
def _get_dir_source_name(directory, source_name=None, l_sources_name=set(), filter_dir=False):
if not l_sources_name:
l_sources_name = set()
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if source_name:
l_dir = os.listdir(os.path.join(directory, source_name))
else:
l_dir = os.listdir(directory)
# empty directory
if not l_dir:
return l_sources_name.add(source_name)
else:
for src_name in l_dir:
if len(src_name) == 4:
#try:
int(src_name)
to_add = os.path.join(source_name)
# filter sources, remove first directory
if filter_dir:
to_add = to_add.replace('archive/', '').replace('alerts/', '')
l_sources_name.add(to_add)
return l_sources_name
#except:
# pass
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if source_name:
src_name = os.path.join(source_name, src_name)
l_sources_name = _get_dir_source_name(directory, source_name=src_name, l_sources_name=l_sources_name, filter_dir=filter_dir)
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return l_sources_name
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def get_all_items_sources(filter_dir=False, r_list=False):
res = _get_dir_source_name(PASTES_FOLDER, filter_dir=filter_dir)
if res:
if r_list:
res = list(res)
return res
else:
return []
def verify_sources_list(sources):
all_sources = get_all_items_sources()
for source in sources:
if source not in all_sources:
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return {'status': 'error', 'reason': 'Invalid source', 'value': source}, 400
return None
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def get_all_items_metadata_dict(list_id):
list_meta = []
for item_id in list_id:
list_meta.append( {'id': item_id, 'date': get_item_date(item_id), 'tags': Tag.get_obj_tag(item_id)} )
return list_meta
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##-- --##
if __name__ == '__main__':
get_all_items_sources()