mirror of
https://github.com/infiniflow/ragflow.git
synced 2025-12-08 20:42:30 +08:00
build python version rag-flow (#21)
* clean rust version project * clean rust version project * build python version rag-flow
This commit is contained in:
KevinHuSh
420
rag/utils/es_conn.py
Normal file
420
rag/utils/es_conn.py
Normal file
@ -0,0 +1,420 @@
|
||||
import re
|
||||
import json
|
||||
import time
|
||||
import copy
|
||||
import elasticsearch
|
||||
from elasticsearch import Elasticsearch
|
||||
from elasticsearch_dsl import UpdateByQuery, Search, Index
|
||||
from rag.settings import es_logger
|
||||
from rag import settings
|
||||
from rag.utils import singleton
|
||||
|
||||
es_logger.info("Elasticsearch version: "+ str(elasticsearch.__version__))
|
||||
|
||||
|
||||
@singleton
|
||||
class HuEs:
|
||||
def __init__(self):
|
||||
self.info = {}
|
||||
self.conn()
|
||||
self.idxnm = settings.ES.get("index_name", "")
|
||||
if not self.es.ping():
|
||||
raise Exception("Can't connect to ES cluster")
|
||||
|
||||
def conn(self):
|
||||
for _ in range(10):
|
||||
try:
|
||||
self.es = Elasticsearch(
|
||||
settings.ES["hosts"].split(","),
|
||||
timeout=600
|
||||
)
|
||||
if self.es:
|
||||
self.info = self.es.info()
|
||||
es_logger.info("Connect to es.")
|
||||
break
|
||||
except Exception as e:
|
||||
es_logger.error("Fail to connect to es: " + str(e))
|
||||
time.sleep(1)
|
||||
|
||||
def version(self):
|
||||
v = self.info.get("version", {"number": "5.6"})
|
||||
v = v["number"].split(".")[0]
|
||||
return int(v) >= 7
|
||||
|
||||
def upsert(self, df, idxnm=""):
|
||||
res = []
|
||||
for d in df:
|
||||
id = d["id"]
|
||||
del d["id"]
|
||||
d = {"doc": d, "doc_as_upsert": "true"}
|
||||
T = False
|
||||
for _ in range(10):
|
||||
try:
|
||||
if not self.version():
|
||||
r = self.es.update(
|
||||
index=(
|
||||
self.idxnm if not idxnm else idxnm),
|
||||
body=d,
|
||||
id=id,
|
||||
doc_type="doc",
|
||||
refresh=False,
|
||||
retry_on_conflict=100)
|
||||
else:
|
||||
r = self.es.update(
|
||||
index=(
|
||||
self.idxnm if not idxnm else idxnm),
|
||||
body=d,
|
||||
id=id,
|
||||
refresh=False,
|
||||
doc_type="_doc",
|
||||
retry_on_conflict=100)
|
||||
es_logger.info("Successfully upsert: %s" % id)
|
||||
T = True
|
||||
break
|
||||
except Exception as e:
|
||||
es_logger.warning("Fail to index: " +
|
||||
json.dumps(d, ensure_ascii=False) + str(e))
|
||||
if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
|
||||
time.sleep(3)
|
||||
continue
|
||||
self.conn()
|
||||
T = False
|
||||
|
||||
if not T:
|
||||
res.append(d)
|
||||
es_logger.error(
|
||||
"Fail to index: " +
|
||||
re.sub(
|
||||
"[\r\n]",
|
||||
"",
|
||||
json.dumps(
|
||||
d,
|
||||
ensure_ascii=False)))
|
||||
d["id"] = id
|
||||
d["_index"] = self.idxnm
|
||||
|
||||
if not res:
|
||||
return True
|
||||
return False
|
||||
|
||||
def bulk(self, df, idx_nm=None):
|
||||
ids, acts = {}, []
|
||||
for d in df:
|
||||
id = d["id"] if "id" in d else d["_id"]
|
||||
ids[id] = copy.deepcopy(d)
|
||||
ids[id]["_index"] = self.idxnm if not idx_nm else idx_nm
|
||||
if "id" in d:
|
||||
del d["id"]
|
||||
if "_id" in d:
|
||||
del d["_id"]
|
||||
acts.append(
|
||||
{"update": {"_id": id, "_index": ids[id]["_index"]}, "retry_on_conflict": 100})
|
||||
acts.append({"doc": d, "doc_as_upsert": "true"})
|
||||
|
||||
res = []
|
||||
for _ in range(100):
|
||||
try:
|
||||
if elasticsearch.__version__[0] < 8:
|
||||
r = self.es.bulk(
|
||||
index=(
|
||||
self.idxnm if not idx_nm else idx_nm),
|
||||
body=acts,
|
||||
refresh=False,
|
||||
timeout="600s")
|
||||
else:
|
||||
r = self.es.bulk(index=(self.idxnm if not idx_nm else
|
||||
idx_nm), operations=acts,
|
||||
refresh=False, timeout="600s")
|
||||
if re.search(r"False", str(r["errors"]), re.IGNORECASE):
|
||||
return res
|
||||
|
||||
for it in r["items"]:
|
||||
if "error" in it["update"]:
|
||||
res.append(str(it["update"]["_id"]) +
|
||||
":" + str(it["update"]["error"]))
|
||||
|
||||
return res
|
||||
except Exception as e:
|
||||
es_logger.warn("Fail to bulk: " + str(e))
|
||||
if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
|
||||
time.sleep(3)
|
||||
continue
|
||||
self.conn()
|
||||
|
||||
return res
|
||||
|
||||
def bulk4script(self, df):
|
||||
ids, acts = {}, []
|
||||
for d in df:
|
||||
id = d["id"]
|
||||
ids[id] = copy.deepcopy(d["raw"])
|
||||
acts.append({"update": {"_id": id, "_index": self.idxnm}})
|
||||
acts.append(d["script"])
|
||||
es_logger.info("bulk upsert: %s" % id)
|
||||
|
||||
res = []
|
||||
for _ in range(10):
|
||||
try:
|
||||
if not self.version():
|
||||
r = self.es.bulk(
|
||||
index=self.idxnm,
|
||||
body=acts,
|
||||
refresh=False,
|
||||
timeout="600s",
|
||||
doc_type="doc")
|
||||
else:
|
||||
r = self.es.bulk(
|
||||
index=self.idxnm,
|
||||
body=acts,
|
||||
refresh=False,
|
||||
timeout="600s")
|
||||
if re.search(r"False", str(r["errors"]), re.IGNORECASE):
|
||||
return res
|
||||
|
||||
for it in r["items"]:
|
||||
if "error" in it["update"]:
|
||||
res.append(str(it["update"]["_id"]))
|
||||
|
||||
return res
|
||||
except Exception as e:
|
||||
es_logger.warning("Fail to bulk: " + str(e))
|
||||
if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
|
||||
time.sleep(3)
|
||||
continue
|
||||
self.conn()
|
||||
|
||||
return res
|
||||
|
||||
def rm(self, d):
|
||||
for _ in range(10):
|
||||
try:
|
||||
if not self.version():
|
||||
r = self.es.delete(
|
||||
index=self.idxnm,
|
||||
id=d["id"],
|
||||
doc_type="doc",
|
||||
refresh=True)
|
||||
else:
|
||||
r = self.es.delete(
|
||||
index=self.idxnm,
|
||||
id=d["id"],
|
||||
refresh=True,
|
||||
doc_type="_doc")
|
||||
es_logger.info("Remove %s" % d["id"])
|
||||
return True
|
||||
except Exception as e:
|
||||
es_logger.warn("Fail to delete: " + str(d) + str(e))
|
||||
if re.search(r"(Timeout|time out)", str(e), re.IGNORECASE):
|
||||
time.sleep(3)
|
||||
continue
|
||||
if re.search(r"(not_found)", str(e), re.IGNORECASE):
|
||||
return True
|
||||
self.conn()
|
||||
|
||||
es_logger.error("Fail to delete: " + str(d))
|
||||
|
||||
return False
|
||||
|
||||
def search(self, q, idxnm=None, src=False, timeout="2s"):
|
||||
if not isinstance(q, dict):
|
||||
q = Search().query(q).to_dict()
|
||||
for i in range(3):
|
||||
try:
|
||||
res = self.es.search(index=(self.idxnm if not idxnm else idxnm),
|
||||
body=q,
|
||||
timeout=timeout,
|
||||
# search_type="dfs_query_then_fetch",
|
||||
track_total_hits=True,
|
||||
_source=src)
|
||||
if str(res.get("timed_out", "")).lower() == "true":
|
||||
raise Exception("Es Timeout.")
|
||||
return res
|
||||
except Exception as e:
|
||||
es_logger.error(
|
||||
"ES search exception: " +
|
||||
str(e) +
|
||||
"【Q】：" +
|
||||
str(q))
|
||||
if str(e).find("Timeout") > 0:
|
||||
continue
|
||||
raise e
|
||||
es_logger.error("ES search timeout for 3 times!")
|
||||
raise Exception("ES search timeout.")
|
||||
|
||||
def updateByQuery(self, q, d):
|
||||
ubq = UpdateByQuery(index=self.idxnm).using(self.es).query(q)
|
||||
scripts = ""
|
||||
for k, v in d.items():
|
||||
scripts += "ctx._source.%s = params.%s;" % (str(k), str(k))
|
||||
ubq = ubq.script(source=scripts, params=d)
|
||||
ubq = ubq.params(refresh=False)
|
||||
ubq = ubq.params(slices=5)
|
||||
ubq = ubq.params(conflicts="proceed")
|
||||
for i in range(3):
|
||||
try:
|
||||
r = ubq.execute()
|
||||
return True
|
||||
except Exception as e:
|
||||
es_logger.error("ES updateByQuery exception: " +
|
||||
str(e) + "【Q】：" + str(q.to_dict()))
|
||||
if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
|
||||
continue
|
||||
self.conn()
|
||||
|
||||
return False
|
||||
|
||||
def updateScriptByQuery(self, q, scripts, idxnm=None):
|
||||
ubq = UpdateByQuery(
|
||||
index=self.idxnm if not idxnm else idxnm).using(
|
||||
self.es).query(q)
|
||||
ubq = ubq.script(source=scripts)
|
||||
ubq = ubq.params(refresh=True)
|
||||
ubq = ubq.params(slices=5)
|
||||
ubq = ubq.params(conflicts="proceed")
|
||||
for i in range(3):
|
||||
try:
|
||||
r = ubq.execute()
|
||||
return True
|
||||
except Exception as e:
|
||||
es_logger.error("ES updateByQuery exception: " +
|
||||
str(e) + "【Q】：" + str(q.to_dict()))
|
||||
if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
|
||||
continue
|
||||
self.conn()
|
||||
|
||||
return False
|
||||
|
||||
def deleteByQuery(self, query, idxnm=""):
|
||||
for i in range(3):
|
||||
try:
|
||||
r = self.es.delete_by_query(
|
||||
index=idxnm if idxnm else self.idxnm,
|
||||
body=Search().query(query).to_dict())
|
||||
return True
|
||||
except Exception as e:
|
||||
es_logger.error("ES updateByQuery deleteByQuery: " +
|
||||
str(e) + "【Q】：" + str(query.to_dict()))
|
||||
if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
|
||||
continue
|
||||
|
||||
return False
|
||||
|
||||
def update(self, id, script, routing=None):
|
||||
for i in range(3):
|
||||
try:
|
||||
if not self.version():
|
||||
r = self.es.update(
|
||||
index=self.idxnm,
|
||||
id=id,
|
||||
body=json.dumps(
|
||||
script,
|
||||
ensure_ascii=False),
|
||||
doc_type="doc",
|
||||
routing=routing,
|
||||
refresh=False)
|
||||
else:
|
||||
r = self.es.update(index=self.idxnm, id=id, body=json.dumps(script, ensure_ascii=False),
|
||||
routing=routing, refresh=False) # , doc_type="_doc")
|
||||
return True
|
||||
except Exception as e:
|
||||
es_logger.error(
|
||||
"ES update exception: " + str(e) + " id：" + str(id) + ", version:" + str(self.version()) +
|
||||
json.dumps(script, ensure_ascii=False))
|
||||
if str(e).find("Timeout") > 0:
|
||||
continue
|
||||
|
||||
return False
|
||||
|
||||
def indexExist(self, idxnm):
|
||||
s = Index(idxnm if idxnm else self.idxnm, self.es)
|
||||
for i in range(3):
|
||||
try:
|
||||
return s.exists()
|
||||
except Exception as e:
|
||||
es_logger.error("ES updateByQuery indexExist: " + str(e))
|
||||
if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
|
||||
continue
|
||||
|
||||
return False
|
||||
|
||||
def docExist(self, docid, idxnm=None):
|
||||
for i in range(3):
|
||||
try:
|
||||
return self.es.exists(index=(idxnm if idxnm else self.idxnm),
|
||||
id=docid)
|
||||
except Exception as e:
|
||||
es_logger.error("ES Doc Exist: " + str(e))
|
||||
if str(e).find("Timeout") > 0 or str(e).find("Conflict") > 0:
|
||||
continue
|
||||
return False
|
||||
|
||||
def createIdx(self, idxnm, mapping):
|
||||
try:
|
||||
if elasticsearch.__version__[0] < 8:
|
||||
return self.es.indices.create(idxnm, body=mapping)
|
||||
from elasticsearch.client import IndicesClient
|
||||
return IndicesClient(self.es).create(index=idxnm,
|
||||
settings=mapping["settings"],
|
||||
mappings=mapping["mappings"])
|
||||
except Exception as e:
|
||||
es_logger.error("ES create index error %s ----%s" % (idxnm, str(e)))
|
||||
|
||||
def deleteIdx(self, idxnm):
|
||||
try:
|
||||
return self.es.indices.delete(idxnm, allow_no_indices=True)
|
||||
except Exception as e:
|
||||
es_logger.error("ES delete index error %s ----%s" % (idxnm, str(e)))
|
||||
|
||||
def getTotal(self, res):
|
||||
if isinstance(res["hits"]["total"], type({})):
|
||||
return res["hits"]["total"]["value"]
|
||||
return res["hits"]["total"]
|
||||
|
||||
def getDocIds(self, res):
|
||||
return [d["_id"] for d in res["hits"]["hits"]]
|
||||
|
||||
def getSource(self, res):
|
||||
rr = []
|
||||
for d in res["hits"]["hits"]:
|
||||
d["_source"]["id"] = d["_id"]
|
||||
d["_source"]["_score"] = d["_score"]
|
||||
rr.append(d["_source"])
|
||||
return rr
|
||||
|
||||
def scrollIter(self, pagesize=100, scroll_time='2m', q={
|
||||
"query": {"match_all": {}}, "sort": [{"updated_at": {"order": "desc"}}]}):
|
||||
for _ in range(100):
|
||||
try:
|
||||
page = self.es.search(
|
||||
index=self.idxnm,
|
||||
scroll=scroll_time,
|
||||
size=pagesize,
|
||||
body=q,
|
||||
_source=None
|
||||
)
|
||||
break
|
||||
except Exception as e:
|
||||
es_logger.error("ES scrolling fail. " + str(e))
|
||||
time.sleep(3)
|
||||
|
||||
sid = page['_scroll_id']
|
||||
scroll_size = page['hits']['total']["value"]
|
||||
es_logger.info("[TOTAL]%d" % scroll_size)
|
||||
# Start scrolling
|
||||
while scroll_size > 0:
|
||||
yield page["hits"]["hits"]
|
||||
for _ in range(100):
|
||||
try:
|
||||
page = self.es.scroll(scroll_id=sid, scroll=scroll_time)
|
||||
break
|
||||
except Exception as e:
|
||||
es_logger.error("ES scrolling fail. " + str(e))
|
||||
time.sleep(3)
|
||||
|
||||
# Update the scroll ID
|
||||
sid = page['_scroll_id']
|
||||
# Get the number of results that we returned in the last scroll
|
||||
scroll_size = len(page['hits']['hits'])
|
||||
|
||||
|
||||
ELASTICSEARCH = HuEs()
|
||||
Reference in New Issue
Block a user