This commit is contained in:
2026-05-22 12:08:06 +05:30
parent 0f4783e1da
commit d4b68496d5
6 changed files with 3684 additions and 13597 deletions
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import pyodbc
import pandas as pd
import clickhouse_connect
import numpy as np
from datetime import datetime
import traceback
import warnings
import time
# =========================================================
# IGNORE WARNINGS
# =========================================================
warnings.filterwarnings(
'ignore',
'pandas only supports SQLAlchemy connectable'
)
print("\n================================================")
print("ETL STARTED :", datetime.now())
print("================================================")
# =========================================================
# SQL SERVER CONNECTION STRING
# =========================================================
SQL_CONN_STR = (
'DRIVER={ODBC Driver 17 for SQL Server};'
'SERVER=10.200.25.65;'
'DATABASE=CPMIndiaBusinessInsight;'
'UID=bsgteam_test;'
'PWD=B$gt3@m#00512;'
'TrustServerCertificate=yes;'
'Connection Timeout=60;'
)
# =========================================================
# CLICKHOUSE CONFIG
# =========================================================
CH_CONFIG = {
'host': '172.188.12.194',
'port': 8123,
'username': 'default',
'password': 'dipanshu_k',
'database': 'DaburIndia_BI'
}
# =========================================================
# TABLE DETAILS
# =========================================================
TABLE_NAME = 'SOS_OneApp'
PROJECT_ID = 41654
# =========================================================
# SETTINGS
# =========================================================
TRUNCATE_BEFORE_LOAD = True
table_truncated = False
# =========================================================
# CHUNK SIZE
# =========================================================
chunk_size = 25000
# =========================================================
# CONNECT SQL SERVER
# =========================================================
def connect_sql():
try:
conn = pyodbc.connect(
SQL_CONN_STR,
autocommit=True
)
print("Connected SQL Server")
return conn
except Exception as e:
print("SQL CONNECTION FAILED")
print(str(e))
raise
# =========================================================
# CONNECT CLICKHOUSE
# =========================================================
def connect_clickhouse():
try:
client = clickhouse_connect.get_client(
**CH_CONFIG
)
print("Connected ClickHouse")
return client
except Exception as e:
print("CLICKHOUSE CONNECTION FAILED")
print(str(e))
raise
# =========================================================
# CLEAN DATAFRAME
# =========================================================
def clean_dataframe(df):
try:
# ---------------------------------------------
# Replace NaN
# ---------------------------------------------
df = df.replace({np.nan: None})
# ---------------------------------------------
# Process Column Wise
# ---------------------------------------------
for col in df.columns:
try:
print(f"\nCleaning Column : {col}")
# =====================================
# AUTO DETECT DATE / TIME COLUMNS
# =====================================
if (
'date' in col.lower()
or 'time' in col.lower()
):
print(f"Date Column : {col}")
df[col] = pd.to_datetime(
df[col],
errors='coerce'
)
cleaned_dates = []
for val in df[col]:
if pd.isnull(val):
cleaned_dates.append(None)
else:
cleaned_dates.append(
val.to_pydatetime()
)
df[col] = cleaned_dates
# =====================================
# INTEGER COLUMNS
# =====================================
elif pd.api.types.is_integer_dtype(df[col]):
print(f"Integer Column : {col}")
df[col] = pd.to_numeric(
df[col],
errors='coerce'
)
df[col] = df[col].apply(
lambda x:
int(x)
if pd.notnull(x)
else None
)
# =====================================
# FLOAT COLUMNS
# =====================================
elif pd.api.types.is_float_dtype(df[col]):
print(f"Float Column : {col}")
df[col] = pd.to_numeric(
df[col],
errors='coerce'
)
df[col] = df[col].apply(
lambda x:
float(x)
if pd.notnull(x)
else None
)
# =====================================
# OBJECT / STRING COLUMNS
# =====================================
else:
print(f"String/Object Column : {col}")
cleaned = []
for val in df[col]:
# NULL
if pd.isnull(val):
cleaned.append(None)
# DATETIME
elif isinstance(
val,
(
datetime,
pd.Timestamp
)
):
if isinstance(
val,
pd.Timestamp
):
cleaned.append(
val.to_pydatetime()
)
else:
cleaned.append(val)
# INTEGER
elif isinstance(
val,
(
int,
np.integer
)
):
cleaned.append(
int(val)
)
# FLOAT
elif isinstance(
val,
(
float,
np.floating
)
):
if np.isnan(val):
cleaned.append(None)
else:
cleaned.append(
float(val)
)
# BOOLEAN
elif isinstance(
val,
bool
):
cleaned.append(
int(val)
)
# STRING
else:
cleaned.append(
str(val).strip()
)
df[col] = cleaned
except Exception as col_error:
print("\n================================")
print(f"COLUMN FAILED : {col}")
print(str(col_error))
print("================================")
return df
except Exception as clean_error:
print("\n================================")
print("DATA CLEAN FAILED")
print(str(clean_error))
print("================================")
return df
# =========================================================
# MAIN PROCESS
# =========================================================
try:
# =====================================================
# CONNECT SQL SERVER
# =====================================================
sql_conn = connect_sql()
# =====================================================
# CONNECT CLICKHOUSE
# =====================================================
ch_client = connect_clickhouse()
# =====================================================
# QUERY
# =====================================================
query = f"""
SELECT *
FROM dbo.[{TABLE_NAME}]
WHERE Project_Id = {PROJECT_ID}
"""
print("\nExecuting Query")
print(query)
# =====================================================
# RETRY SETTINGS
# =====================================================
retry_count = 0
max_retry = 5
# =====================================================
# MAIN RETRY LOOP
# =====================================================
while retry_count < max_retry:
try:
# =============================================
# READ SQL DATA
# =============================================
for chunk in pd.read_sql(
query,
sql_conn,
chunksize=chunk_size
):
try:
print("\n================================")
print(
f"Processing Rows : "
f"{len(chunk)}"
)
print("================================")
# =====================================
# CLEAN DATA
# =====================================
chunk = clean_dataframe(chunk)
# =====================================
# DEBUG COLUMN TYPES
# =====================================
print("\nCOLUMN DATATYPES")
print(chunk.dtypes)
print("\nCOLUMN SAMPLE TYPES")
for col in chunk.columns:
sample = chunk[col].dropna()
if len(sample) > 0:
print(
col,
type(sample.iloc[0]),
sample.iloc[0]
)
# =====================================
# TRUNCATE TABLE FIRST TIME ONLY
# =====================================
if (
TRUNCATE_BEFORE_LOAD
and
not table_truncated
):
print("\n================================")
print(
f"TRUNCATING TABLE : "
f"{TABLE_NAME}"
)
print("================================")
# IMPORTANT FIX
truncate_query = f"""
TRUNCATE TABLE
`{CH_CONFIG['database']}`.`{TABLE_NAME}`
"""
ch_client.command(
truncate_query
)
print(
"TABLE TRUNCATED SUCCESSFULLY"
)
table_truncated = True
# =====================================
# INSERT INTO CLICKHOUSE
# =====================================
print(
"\nINSERTING INTO CLICKHOUSE..."
)
ch_client.insert_df(
table=TABLE_NAME,
df=chunk,
database=CH_CONFIG['database']
)
print(
f"INSERTED : "
f"{len(chunk)} ROWS"
)
except Exception as insert_error:
print("\n================================")
print("INSERT FAILED")
print("================================")
print(str(insert_error))
traceback.print_exc()
# =================================
# SAVE ERROR LOG
# =================================
with open(
"insert_error.log",
"a",
encoding="utf-8"
) as log:
log.write(
"\n\n================================"
)
log.write(
f"\nTIME : "
f"{datetime.now()}"
)
log.write(
f"\nTABLE : "
f"{TABLE_NAME}"
)
log.write(
f"\nERROR : "
f"{str(insert_error)}"
)
log.write(
f"\nTRACEBACK :\n"
f"{traceback.format_exc()}"
)
log.write(
"\n================================"
)
continue
# =============================================
# SUCCESS
# =============================================
break
# =================================================
# SQL CONNECTION FAILURE
# =================================================
except pyodbc.OperationalError as op_error:
retry_count += 1
print("\n================================")
print(
f"SQL CONNECTION LOST "
f"- RETRY {retry_count}"
)
print("================================")
print(str(op_error))
time.sleep(10)
try:
sql_conn.close()
except:
pass
# RECONNECT SQL
sql_conn = connect_sql()
# =================================================
# OTHER ERROR
# =================================================
except Exception as loop_error:
print("\n================================")
print("MAIN LOOP ERROR")
print("================================")
print(str(loop_error))
traceback.print_exc()
break
print("\n================================")
print("ETL COMPLETED SUCCESSFULLY")
print("================================")
# =========================================================
# MAIN ERROR
# =========================================================
except Exception as main_error:
print("\n================================")
print("MAIN ERROR")
print("================================")
print(str(main_error))
traceback.print_exc()
with open(
"main_error.log",
"a",
encoding="utf-8"
) as log:
log.write(
"\n\n================================"
)
log.write(
f"\nTIME : {datetime.now()}"
)
log.write(
f"\nERROR : {str(main_error)}"
)
log.write(
f"\nTRACEBACK :\n"
f"{traceback.format_exc()}"
)
log.write(
"\n================================"
)
# =========================================================
# CLOSE CONNECTIONS
# =========================================================
finally:
try:
sql_conn.close()
print("\nSQL SERVER CONNECTION CLOSED")
except:
pass
try:
ch_client.close()
print("CLICKHOUSE CONNECTION CLOSED")
except:
pass
print("\n================================================")
print("ETL FINISHED :", datetime.now())
print("================================================")
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================================
TIME : 2026-05-19 17:13:53.695971
TABLE : Sales
ERROR : Error ('Connection aborted.', TimeoutError('timed out')) executing HTTP request attempt 1 (http://172.188.12.194:8123)
TRACEBACK :
Traceback (most recent call last):
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 788, in urlopen
response = self._make_request(
conn,
...<10 lines>...
**response_kw,
)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 493, in _make_request
conn.request(
~~~~~~~~~~~~^
method,
^^^^^^^
...<6 lines>...
enforce_content_length=enforce_content_length,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connection.py", line 512, in request
self.send(b"%x\r\n%b\r\n" % (len(chunk), chunk))
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\http\client.py", line 1086, in send
self.sock.sendall(data)
~~~~~~~~~~~~~~~~~^^^^^^
TimeoutError: timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\httpclient.py", line 546, in _raw_request
response = self.http.request(method, url, **kwargs)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\_request_methods.py", line 143, in request
return self.request_encode_body(
~~~~~~~~~~~~~~~~~~~~~~~~^
method, url, fields=fields, headers=headers, **urlopen_kw
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\_request_methods.py", line 278, in request_encode_body
return self.urlopen(method, url, **extra_kw)
~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\poolmanager.py", line 457, in urlopen
response = conn.urlopen(method, u.request_uri, **kw)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 842, in urlopen
retries = retries.increment(
method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2]
)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\util\retry.py", line 498, in increment
raise reraise(type(error), error, _stacktrace)
~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\util\util.py", line 38, in reraise
raise value.with_traceback(tb)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 788, in urlopen
response = self._make_request(
conn,
...<10 lines>...
**response_kw,
)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 493, in _make_request
conn.request(
~~~~~~~~~~~~^
method,
^^^^^^^
...<6 lines>...
enforce_content_length=enforce_content_length,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connection.py", line 512, in request
self.send(b"%x\r\n%b\r\n" % (len(chunk), chunk))
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\http\client.py", line 1086, in send
self.sock.sendall(data)
~~~~~~~~~~~~~~~~~^^^^^^
urllib3.exceptions.ProtocolError: ('Connection aborted.', TimeoutError('timed out'))
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "d:\Python Code\Sales_Import.py", line 494, in <module>
ch_client.insert_df(
~~~~~~~~~~~~~~~~~~~^
table=f"`{TABLE_NAME}`",
^^^^^^^^^^^^^^^^^^^^^^^^
df=chunk,
^^^^^^^^^
database=CH_CONFIG['database']
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\client.py", line 1013, in insert_df
return self.insert(table,
~~~~~~~~~~~^^^^^^^
df,
^^^
...<5 lines>...
transport_settings=transport_settings,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
context=context)
^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\client.py", line 978, in insert
return self.data_insert(context)
~~~~~~~~~~~~~~~~^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\httpclient.py", line 347, in data_insert
response = self._raw_request(block_gen, params, headers, error_handler=error_handler, server_wait=False)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\httpclient.py", line 558, in _raw_request
raise OperationalError(f'Error {ex} executing HTTP request attempt {attempts}{err_url}') from ex
clickhouse_connect.driver.exceptions.OperationalError: Error ('Connection aborted.', TimeoutError('timed out')) executing HTTP request attempt 1 (http://172.188.12.194:8123)
================================
================================
TIME : 2026-05-19 17:15:26.425862
TABLE : Sales
ERROR : Error ('Connection aborted.', TimeoutError('timed out')) executing HTTP request attempt 1 (http://172.188.12.194:8123)
TRACEBACK :
Traceback (most recent call last):
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 788, in urlopen
response = self._make_request(
conn,
...<10 lines>...
**response_kw,
)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 493, in _make_request
conn.request(
~~~~~~~~~~~~^
method,
^^^^^^^
...<6 lines>...
enforce_content_length=enforce_content_length,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connection.py", line 512, in request
self.send(b"%x\r\n%b\r\n" % (len(chunk), chunk))
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\http\client.py", line 1086, in send
self.sock.sendall(data)
~~~~~~~~~~~~~~~~~^^^^^^
TimeoutError: timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\httpclient.py", line 546, in _raw_request
response = self.http.request(method, url, **kwargs)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\_request_methods.py", line 143, in request
return self.request_encode_body(
~~~~~~~~~~~~~~~~~~~~~~~~^
method, url, fields=fields, headers=headers, **urlopen_kw
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\_request_methods.py", line 278, in request_encode_body
return self.urlopen(method, url, **extra_kw)
~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\poolmanager.py", line 457, in urlopen
response = conn.urlopen(method, u.request_uri, **kw)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 842, in urlopen
retries = retries.increment(
method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2]
)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\util\retry.py", line 498, in increment
raise reraise(type(error), error, _stacktrace)
~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\util\util.py", line 38, in reraise
raise value.with_traceback(tb)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 788, in urlopen
response = self._make_request(
conn,
...<10 lines>...
**response_kw,
)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connectionpool.py", line 493, in _make_request
conn.request(
~~~~~~~~~~~~^
method,
^^^^^^^
...<6 lines>...
enforce_content_length=enforce_content_length,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\urllib3\connection.py", line 512, in request
self.send(b"%x\r\n%b\r\n" % (len(chunk), chunk))
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\http\client.py", line 1086, in send
self.sock.sendall(data)
~~~~~~~~~~~~~~~~~^^^^^^
urllib3.exceptions.ProtocolError: ('Connection aborted.', TimeoutError('timed out'))
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "d:\Python Code\Sales_Import.py", line 494, in <module>
ch_client.insert_df(
~~~~~~~~~~~~~~~~~~~^
table=f"`{TABLE_NAME}`",
^^^^^^^^^^^^^^^^^^^^^^^^
df=chunk,
^^^^^^^^^
database=CH_CONFIG['database']
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\client.py", line 1013, in insert_df
return self.insert(table,
~~~~~~~~~~~^^^^^^^
df,
^^^
...<5 lines>...
transport_settings=transport_settings,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
context=context)
^^^^^^^^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\client.py", line 978, in insert
return self.data_insert(context)
~~~~~~~~~~~~~~~~^^^^^^^^^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\httpclient.py", line 347, in data_insert
response = self._raw_request(block_gen, params, headers, error_handler=error_handler, server_wait=False)
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\clickhouse_connect\driver\httpclient.py", line 558, in _raw_request
raise OperationalError(f'Error {ex} executing HTTP request attempt {attempts}{err_url}') from ex
clickhouse_connect.driver.exceptions.OperationalError: Error ('Connection aborted.', TimeoutError('timed out')) executing HTTP request attempt 1 (http://172.188.12.194:8123)
================================
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================================
TIME : 2026-05-20 09:30:27.532149
ERROR : ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [2]. (2) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (2)')
TRACEBACK :
Traceback (most recent call last):
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 313, in <module>
sql_conn = connect_sql()
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 70, in connect_sql
conn = pyodbc.connect(
SQL_CONN_STR,
autocommit=True
)
pyodbc.OperationalError: ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [2]. (2) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (2)')
================================
================================
TIME : 2026-05-20 10:38:12.600484
ERROR : ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [64]. (64) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (64)')
TRACEBACK :
Traceback (most recent call last):
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 348, in <module>
for chunk in pd.read_sql(
~~~~~~~~~~~^
query,
^^^^^^
sql_conn,
^^^^^^^^^
chunksize=chunk_size
^^^^^^^^^^^^^^^^^^^^
):
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\pandas\io\sql.py", line 2730, in _query_iterator
data = cursor.fetchmany(chunksize)
pyodbc.OperationalError: ('08S01', '[08S01] [Microsoft][ODBC Driver 17 for SQL Server]TCP Provider: An existing connection was forcibly closed by the remote host.\r\n (10054) (SQLGetData); [08S01] [Microsoft][ODBC Driver 17 for SQL Server]Communication link failure (10054)')
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 518, in <module>
sql_conn = connect_sql()
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 70, in connect_sql
conn = pyodbc.connect(
SQL_CONN_STR,
autocommit=True
)
pyodbc.OperationalError: ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [64]. (64) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (64)')
================================
================================
TIME : 2026-05-20 12:28:25.483277
ERROR : ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [53]. (53) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (53)')
TRACEBACK :
Traceback (most recent call last):
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 348, in <module>
for chunk in pd.read_sql(
~~~~~~~~~~~^
query,
^^^^^^
sql_conn,
^^^^^^^^^
chunksize=chunk_size
^^^^^^^^^^^^^^^^^^^^
):
^
File "C:\Users\dipanshuk\AppData\Local\Python\pythoncore-3.14-64\Lib\site-packages\pandas\io\sql.py", line 2730, in _query_iterator
data = cursor.fetchmany(chunksize)
pyodbc.OperationalError: ('08S01', '[08S01] [Microsoft][ODBC Driver 17 for SQL Server]TCP Provider: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.\r\n (10060) (SQLGetData); [08S01] [Microsoft][ODBC Driver 17 for SQL Server]Communication link failure (10060)')
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 518, in <module>
sql_conn = connect_sql()
File "d:\Python Code\PaidVisibility_Compliance Import.py", line 70, in connect_sql
conn = pyodbc.connect(
SQL_CONN_STR,
autocommit=True
)
pyodbc.OperationalError: ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]Named Pipes Provider: Could not open a connection to SQL Server [53]. (53) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]Invalid connection string attribute (0); [08001] [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. (53)')
================================