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db.py
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import os
import re
import json
import threading
import sqlalchemy
import numpy as np
import pandas as pd
from lxml import etree
from pathlib import Path
from sqlalchemy import inspect
from sqlalchemy import MetaData, create_engine
from sqlalchemy import Table, Column, Integer, String, Float, Date
from sqlalchemy.pool import QueuePool
from sqlalchemy_utils import database_exists, create_database
from messageAnnouncer import MessageAnnouncer
from responseDict import ResponseDictionary
class Database:
""" Database class
"""
configFileName = "idawebConfig.xml"
engine = None
conn = None
databaseUrl = None
meta = MetaData()
announcer = None
databaseStatusStream = None
engineStatusStream = None
stageTablesStatusStream = None
coreTablesStatusStream = None
dbServiceStatusStream = None
stageTableRespDict = None
coreTableRespDict = None
def __init__(self, announcer):
""" Init database class
Create announcer for all streams
Create base response dictionary for FE
Args:
announcer (announcer): Server announcer
"""
if os.path.exists("config/config.json"):
f = open("config/config.json")
config = json.load(f)
if "databaseUrl" in config.keys():
self.databaseUrl = config["databaseUrl"]
self.databaseStatusStream = MessageAnnouncer()
self.engineStatusStream = MessageAnnouncer()
self.stageTablesStatusStream = MessageAnnouncer()
self.coreTablesStatusStream = MessageAnnouncer()
self.dbServiceStatusStream = MessageAnnouncer()
self.announcer = announcer
self.stageTableRespDict = ResponseDictionary({
"stage": {
"eventSourceUrl": "/admin/stream/getStageTablesStatus",
"progressBar": False,
"action": [
{
"name": "Run scraping",
"actionUrl": "/admin/scrape/",
"enabled": True
},
{
"name": "Stage ETL",
"actionUrl": "/admin/db/etl/stage",
"enabled": True
},
],
}
},
self.stageTablesStatusStream,
self
)
self.coreTableRespDict = ResponseDictionary({
"core": {
"eventSourceUrl": "/admin/stream/getCoreTablesStatus",
"progressBar": False,
"action": [
{
"name": "Core ETL",
"actionUrl": "/admin/db/etl/core",
"enabled": True
},
],
}
},
self.coreTablesStatusStream,
self
)
def readConfig(self, configFileName):
""" Read config file
Args:
configFileName (str): config file name
Returns:
list: Configuration in config file
"""
configList = []
if os.path.exists(configFileName):
tree = etree.parse(configFileName)
root = tree.getroot()
for config in root:
configList.append(config)
return configList
def getEngine(self):
""" Get server engine
Returns:
engine: Server engine
"""
self.checkEngine()
return self.engine
def checkEngine(self):
""" Checks engine status
Creates engine if not started
"""
if self.engine is None:
print("Engine not started")
print("Starting programatically")
print("Assuming you installed database")
self.createEngine()
def createEngine(self):
""" Creates engine
"""
self.engine = create_engine(
self.databaseUrl,
echo=False,
poolclass=QueuePool,
pool_size=100,
max_overflow=200
)
def getDbServiceStatus(self):
""" Runs _getDbServiceStatus in thread
"""
x = threading.Thread(
target=self._getDbServiceStatus
)
x.start()
def _getDbServiceStatus(self):
""" Gets status of API process
"""
respDict = {
"runningService": {
"eventSourceUrl": "/admin/stream/getDbServiceStatus",
"dbConnection": {
"currentAction": False,
"actionUrl": None,
},
"dbCreate": {
"currentAction": False,
"actionUrl": None,
},
"tbCreate": {
"currentAction": False,
"actionUrl": None,
},
}
}
if self.engine is None:
respDict["runningService"][
"dbConnection"
]["currentAction"] = True
respDict["runningService"][
"dbConnection"
]["actionUrl"] = "/admin/db/connect"
msgText = json.dumps(
respDict,
default=str
)
else:
respDict["runningService"]["dbConnection"]["currentAction"] = False
msgText = json.dumps(
respDict,
default=str
)
self.dbServiceStatusStream.announce(
self.dbServiceStatusStream.format_sse(msgText)
)
try:
create_engine(
self.databaseUrl
).connect()
except sqlalchemy.exc.OperationalError:
try:
database_exists(self.databaseUrl)
except sqlalchemy.exc.OperationalError:
respDict["runningService"][
"dbConnection"
]["currentAction"] = True
respDict["runningService"][
"dbConnection"
]["actionUrl"] = "/admin/db/connect"
msgText = json.dumps(
respDict,
default=str
)
else:
respDict["runningService"][
"dbCreate"
]["currentAction"] = True
respDict["runningService"][
"dbCreate"
]["actionUrl"] = "/admin/db/create"
msgText = json.dumps(
respDict,
default=str
)
else:
respDict["runningService"]["dbCreate"]["currentAction"] = False
msgText = json.dumps(
respDict,
default=str
)
finally:
self.dbServiceStatusStream.announce(
self.dbServiceStatusStream.format_sse(msgText)
)
try:
inspector = inspect(self.engine)
except sqlalchemy.exc.NoInspectionAvailable:
respDict["runningService"]["dbCreate"]["currentAction"] = False
msgText = json.dumps(
respDict,
default=str
)
except sqlalchemy.exc.OperationalError:
respDict["runningService"]["dbCreate"]["currentAction"] = False
msgText = json.dumps(
respDict,
default=str
)
else:
self.conn = self.engine.connect()
stageTables = inspector.get_table_names("stage")
coreTables = inspector.get_table_names("core")
if len(stageTables) > 0 or len(coreTables) > 0:
respDict["runningService"]["tbCreate"]["currentAction"] = False
respDict["runningService"]["tbCreate"]["dbReady"] = True
msgText = json.dumps(
respDict,
default=str
)
else:
respDict["runningService"][
"tbCreate"
]["currentAction"] = True
respDict["runningService"][
"tbCreate"
]["actionUrl"] = "/admin/db/table"
msgText = json.dumps(
respDict,
default=str
)
finally:
self.dbServiceStatusStream.announce(
self.dbServiceStatusStream.format_sse(msgText)
)
def getDatabaseStatus(self):
""" Runs _getDatabaseStatus in thread
"""
x = threading.Thread(
target=self._getDatabaseStatus
)
x.start()
def _getDatabaseStatus(self):
""" Gets status of database process
"""
respDict = {
"status": 0,
"eventSourceUrl": "/admin/stream/getDatabaseStatus",
"title": "Database connection",
"headerBadge": {
"caption": "",
"content": "",
},
"action": [
{
"name": "Connect to db",
"actionUrl": "http://localhost:5000/admin/db/connect",
"enabled": True
},
{
"name": "Create db",
"actionUrl": "http://localhost:5000/admin/db/create",
"enabled": True
}
],
"bodyBadge": {
"caption": "",
"content": "",
},
}
errorIcon = '<i class="material-icons">error</i>'
try:
create_engine(
self.databaseUrl
).connect()
except sqlalchemy.exc.OperationalError as e:
try:
database_exists(self.databaseUrl)
except sqlalchemy.exc.OperationalError as e:
respDict["status"] = 2
respDict["headerBadge"]["caption"] = "Database not started"
respDict["headerBadge"]["content"] = errorIcon
respDict["action"][0]["enabled"] = True
respDict["action"][1]["enabled"] = False
respDict["bodyBadge"]["caption"] = str(e)
respDict["bodyBadge"]["content"] = errorIcon
msgText = json.dumps(
respDict,
default=str
)
self.databaseStatusStream.announce(
self.databaseStatusStream.format_sse(msgText)
)
else:
respDict["status"] = 1
respDict["headerBadge"]["caption"] = "Database not created"
respDict["headerBadge"]["content"] = errorIcon
respDict["action"][0]["enabled"] = False
respDict["action"][1]["enabled"] = True
respDict["bodyBadge"]["caption"] = str(e)
respDict["bodyBadge"]["content"] = errorIcon
msgText = json.dumps(
respDict,
default=str
)
else:
respDict["status"] = 0
respDict["headerBadge"]["caption"] = "connection"
respDict["headerBadge"]["content"] = str(self.databaseUrl)
respDict["action"][0]["enabled"] = False
respDict["action"][1]["enabled"] = False
msgText = json.dumps(
respDict,
default=str
)
finally:
self.databaseStatusStream.announce(
self.databaseStatusStream.format_sse(msgText)
)
def getEngineStatus(self):
""" Runs _getEngineStatus in thread
"""
x = threading.Thread(
target=self._getEngineStatus
)
x.start()
def _getEngineStatus(self):
""" Gets engine status
"""
respDict = {
"status": 0,
"eventSourceUrl": "/admin/stream/getEngineStatus",
"title": "Engine status",
"headerBadge": {
"caption": "",
"content": "",
},
"action": [
{
"name": "Start engine",
"actionUrl": "http://localhost:5000/admin/db/connect",
"enabled": True
}
],
"bodyBadge": {
"caption": "",
"content": "",
},
}
errorIcon = '<i class="material-icons">error</i>'
if self.engine is None:
respDict["status"] = 1
respDict["headerBadge"]["caption"] = "Engine not started"
respDict["headerBadge"]["content"] = errorIcon
respDict["bodyBadge"]["caption"] = "Connect to db"
respDict["bodyBadge"]["content"] = errorIcon
msgText = json.dumps(
respDict,
default=str
)
else:
respDict["status"] = 0
respDict["headerBadge"]["content"] = "Engine started"
respDict["action"][0]["enabled"] = False
msgText = json.dumps(
respDict,
default=str
)
self.engineStatusStream.announce(
self.engineStatusStream.format_sse(msgText)
)
def getStageTablesStatus(self):
""" Runs _getStageTablesStatus in thread
"""
x = threading.Thread(
target=self._getStageTablesStatus
)
x.start()
def _getStageTablesStatus(self):
""" Gets stage database tables
Adds table functions and row count
"""
respDict = self.stageTableRespDict.respDict
# Check if process is already running
if respDict["stage"]["progressBar"]:
actionEnabled = False
else:
actionEnabled = True
inspector = inspect(self.engine)
stageTables = inspector.get_table_names("stage")
for stageTable in stageTables:
respDict["stage"][stageTable] = {}
respDict["stage"][stageTable]["title"] = stageTable
nrowQuery = "SELECT * FROM stage.{}_count_mv".format(
stageTable.strip("_t")
)
respDict["stage"][stageTable]["headerBadge"] = {}
respDict["stage"][stageTable]["headerBadge"]["caption"] = "rows"
respDict["stage"][stageTable]["headerBadge"]["content"] = \
"{:,}".format(self.conn.execute(
nrowQuery
).first()[0])
actionList = []
if stageTable == "idaweb_t":
actionDict = {}
actionDict["name"] = "Initial load"
actionDict["actionUrl"] = "/admin/db/etl/stage/idaweb"
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
actionDict = {}
actionDict["name"] = "Increment load"
actionDict["actionUrl"] = \
"/admin/db/etl/stage/increment/idaweb"
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
actionDict = {}
actionDict["name"] = "Run scraping"
actionDict["actionUrl"] = "/admin/scrape/idaweb"
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
elif stageTable == "meteoschweiz_t":
actionDict = {}
actionDict["name"] = "Run scraping"
actionDict["actionUrl"] = "/admin/scrape/meteoschweiz"
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
elif stageTable == "station_t":
actionDict = {}
actionDict["name"] = "Initial load"
actionDict["actionUrl"] = "/admin/db/etl/stage/station"
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
elif stageTable == "parameter_t":
actionDict = {}
actionDict["name"] = "Initial load"
actionDict["actionUrl"] = "/admin/db/etl/stage/parameter"
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
respDict["stage"][stageTable]["action"] = actionList
lastRefreshQuery = \
"SELECT * FROM stage.{}_max_valid_from_mv".format(
stageTable.strip("_t")
)
respDict["stage"][stageTable]["bodyBadge"] = {}
lastRefresh = self.conn.execute(
lastRefreshQuery
).first()[0]
if lastRefresh is not None:
respDict["stage"][stageTable]["bodyBadge"]["caption"] = \
"last refresh"
respDict["stage"][stageTable]["bodyBadge"]["content"] = \
lastRefresh
self.stageTableRespDict.send()
def getCoreTablesStatus(self):
""" Runs _getCoreTablesStatus in thread
"""
x = threading.Thread(
target=self._getCoreTablesStatus
)
x.start()
def _getCoreTablesStatus(self):
""" Gets core database tables
Adds table functions and row count
"""
respDict = self.coreTableRespDict.respDict
if respDict["core"]["progressBar"]:
actionEnabled = False
else:
actionEnabled = True
inspector = inspect(self.engine)
coreTables = inspector.get_table_names("core")
for coreTable in coreTables:
if "temp_" not in coreTable:
respDict["core"][coreTable] = {}
respDict["core"][coreTable]["title"] = coreTable
nrowQuery = "SELECT * FROM core.{}_count_mv".format(
coreTable.strip("_t")
)
respDict["core"][coreTable]["headerBadge"] = {}
respDict["core"][coreTable]["headerBadge"]["caption"] = "rows"
respDict["core"][coreTable]["headerBadge"]["content"] = \
"{:,}".format(self.conn.execute(
nrowQuery
).first()[0])
actionList = []
actionDict = {}
actionDict["name"] = "Load"
actionDict["actionUrl"] = \
"/admin/db/etl/core/" + coreTable.strip("_t")
actionDict["enabled"] = actionEnabled
actionList.append(actionDict)
respDict["core"][coreTable]["action"] = actionList
lastRefreshQuery = \
"SELECT * FROM core.{}_max_valid_from_mv".format(
coreTable.strip("_t")
)
respDict["core"][coreTable]["bodyBadge"] = {}
lastRefresh = self.conn.execute(
lastRefreshQuery
).first()[0]
if lastRefresh is not None:
respDict["core"][coreTable]["bodyBadge"]["caption"] = \
"last refresh"
respDict["core"][coreTable]["bodyBadge"]["content"] = \
lastRefresh
self.coreTableRespDict.send()
def getParameterRefreshDate(self):
""" Gets last load date of measurements data in core table
Returns:
dataframe: Table containing last load date of core data
"""
paramRefreshDateDf = pd.read_sql(
"SELECT "
"meas_name, "
"max(valid_from) AS valid_from "
"FROM core.measurements_t "
"WHERE source = 'IdaWeb' "
"GROUP BY meas_name",
self.engine
)
return paramRefreshDateDf
def getStationMinYear(self):
with open("queries/stationMinYear.sql") as f:
query = f.read()
dfStationMinYear = pd.read_sql(query, self.engine)
return dfStationMinYear
def getStationSubset(self):
with open("queries/stationSubset.sql") as f:
query = f.read()
dfStationSubset = pd.read_sql(query, self.engine)
return dfStationSubset
def getStationInfo(self, snowParam):
query = (
f"""
SELECT
station_short_name
,station_name
,longitude
,latitude
,elevation
FROM core.station_t
WHERE parameter = {"'"+ snowParam +"'"}
"""
)
dfStationInfo = pd.read_sql(query, self.engine)
return dfStationInfo
def createDatabase(self):
""" Creates database
"""
if not database_exists(
self.engine.url
): # Check if Database exists else create
create_database(self.engine.url)
if not self.engine.dialect.has_schema(
self.engine,
'core'
): # Check if schema core exists else create
self.engine.execute(sqlalchemy.schema.CreateSchema('core'))
if not self.engine.dialect.has_schema(
self.engine,
'stage'
): # Check if schema etl exists else create
self.engine.execute(sqlalchemy.schema.CreateSchema('stage'))
# Check if they exist before, then drop them
def createTable(self):
""" Creates tables and materialized views
"""
if not inspect(self.engine).has_table(
table_name='meteoschweiz_t',
schema='stage'
):
self.meteoschweiz_t = Table(
'meteoschweiz_t',
self.meta,
Column('year', Integer),
Column('month', Integer),
Column('station', String),
Column('temperature', Float),
Column('precipitation', Float),
Column("load_date", Date, index=True),
schema='stage')
if not inspect(self.engine).has_table(
table_name='idaweb_t',
schema='stage'
):
self.idaweb_t = Table(
'idaweb_t',
self.meta,
Column('meas_date', Date),
Column('station', String),
Column('granularity', String),
Column('meas_name', String),
Column('meas_value', Float),
Column('source', String),
Column("valid_from", Date, index=True),
Column("valid_to", Date),
schema='stage')
if not inspect(self.engine).has_table(
table_name='station_t',
schema='stage'
):
self.station_t = Table(
'station_t',
self.meta,
Column('station_short_name', String),
Column('station_name', String),
Column('parameter', String),
Column('data_source', String),
Column('longitude', String),
Column('latitude', String),
Column('coordinates_x', Integer),
Column('coordinates_y', Integer),
Column('elevation', Integer),
Column("valid_from", Date, index=True),
Column("valid_to", Date),
schema='stage')
if not inspect(self.engine).has_table(
table_name='parameter_t',
schema='stage'
):
self.parameter_t = Table(
'parameter_t',
self.meta,
Column('parameter', String),
Column('unit', String),
Column('description', String),
Column("valid_from", Date, index=True),
Column("valid_to", Date),
schema='stage')
if not inspect(self.engine).has_table(
table_name='measurements_t',
schema='core'
):
self.measurements_t = Table(
'measurements_t',
self.meta,
Column('meas_date', Date, primary_key=True),
Column('station', String, primary_key=True),
Column('granularity', String, primary_key=True),
Column('meas_name', String, primary_key=True),
Column('meas_value', Float),
Column('source', String, primary_key=True),
Column("valid_from", Date, index=True),
Column("valid_to", Date, primary_key=True),
schema='core')
if not inspect(self.engine).has_table(
table_name='station_t',
schema='core'
):
self.station_t = Table(
'station_t',
self.meta,
Column('station_short_name', String, primary_key=True),
Column('station_name', String, primary_key=True),
Column('parameter', String, primary_key=True),
Column('data_source', String, primary_key=True),
Column('longitude', String, primary_key=True),
Column('latitude', String, primary_key=True),
Column('coordinates_x', Integer, primary_key=True),
Column('coordinates_y', Integer, primary_key=True),
Column('elevation', Integer, primary_key=True),
Column("valid_from", Date, index=True),
Column("valid_to", Date, primary_key=True),
schema='core')
if not inspect(self.engine).has_table(
table_name='parameter_t',
schema='core'
):
self.parameter_t = Table(
'parameter_t',
self.meta,
Column('parameter', String, primary_key=True),
Column('unit', String, primary_key=True),
Column('description', String, primary_key=True),
Column("valid_from", Date, index=True),
Column("valid_to", Date, primary_key=True),
schema='core')
self.meta.create_all(self.engine)
# stage.meteoschweiz_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.meteoschweiz_count_mv;" +
"CREATE MATERIALIZED VIEW stage.meteoschweiz_count_mv " +
"AS SELECT count(*) FROM stage.meteoschweiz_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.meteoschweiz_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW stage.meteoschweiz_max_valid_from_mv " +
"AS SELECT max(load_date) FROM stage.meteoschweiz_t"
)
# stage.idaweb_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.idaweb_count_mv;" +
"CREATE MATERIALIZED VIEW stage.idaweb_count_mv " +
"AS SELECT count(*) FROM stage.idaweb_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.idaweb_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW stage.idaweb_max_valid_from_mv " +
"AS SELECT max(valid_from) FROM stage.idaweb_t"
)
# stage.station_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.station_count_mv;" +
"CREATE MATERIALIZED VIEW stage.station_count_mv " +
"AS SELECT count(*) FROM stage.station_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.station_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW stage.station_max_valid_from_mv " +
"AS SELECT max(valid_from) FROM stage.station_t"
)
# stage.parameter_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.parameter_count_mv;" +
"CREATE MATERIALIZED VIEW stage.parameter_count_mv " +
"AS SELECT count(*) FROM stage.parameter_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS stage.parameter_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW stage.parameter_max_valid_from_mv " +
"AS SELECT max(valid_from) FROM stage.parameter_t"
)
# core.measurements_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS core.measurements_count_mv;" +
"CREATE MATERIALIZED VIEW core.measurements_count_mv " +
"AS SELECT count(*) FROM core.measurements_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS core.measurements_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW core.measurements_max_valid_from_mv " +
"AS SELECT max(valid_from) FROM core.measurements_t"
)
# core.station_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS core.station_count_mv;" +
"CREATE MATERIALIZED VIEW core.station_count_mv " +
"AS SELECT count(*) FROM core.station_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS core.station_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW core.station_max_valid_from_mv " +
"AS SELECT max(valid_from) FROM core.station_t"
)
# core.parameter_t
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS core.parameter_count_mv;" +
"CREATE MATERIALIZED VIEW core.parameter_count_mv " +
"AS SELECT count(*) FROM core.parameter_t"
)
self.conn.execute(
"DROP MATERIALIZED VIEW " +
"IF EXISTS core.parameter_max_valid_from_mv;" +
"CREATE MATERIALIZED VIEW core.parameter_max_valid_from_mv " +
"AS SELECT max(valid_from) FROM core.parameter_t"
)
def runStageETL(self):
""" Runs stage etl process
"""
self.stationParamStageETL()
self.idaWebStageETL()
def stationParamStageETL(self):
""" Runs station and Param stage etl process
"""
self.stageTableRespDict.startLoadProcess()
if self.conn is None:
self.conn = self.engine.connect()
self.conn.execute(
"TRUNCATE TABLE stage.station_t;"
)
self.conn.execute(
"TRUNCATE TABLE stage.parameter_t;"
)
configList = self.readConfig(self.configFileName)
for config in configList:
stationPartDf = pd.DataFrame()
parameterPartDf = pd.DataFrame()
dataDir = Path.cwd() / "data"
legendFiles = dataDir.glob(
"**/*_{}_*legend.txt".format(config.text)
)
for legendFilePath in legendFiles:
with open(legendFilePath, 'r') as legendFile:
print(legendFilePath.stem)
legendFileList = legendFile.readlines()
rawStationRow = legendFileList[31]
longLat = re.findall(
r"\d*°\d*'\/\d*°\d*'",
rawStationRow
)
if type(longLat) is list:
longLat = longLat[0]
corr = re.findall(
r"\d+\/\d+",
rawStationRow
)
if type(corr) is list:
if len(corr) > 0:
corr = corr[0]
else:
corr = re.findall(
r"\d+\/\d+|-\/-",
rawStationRow
)
if corr == ["-/-"]:
corr = "0/0"
idx = re.search(
r"\d+\/\d+|-\/-",
rawStationRow
).span()[1] + 1
stationDict = {
"station_short_name": rawStationRow[0:10].strip(),
"station_name": rawStationRow[10:47].strip(),
"parameter": rawStationRow[47:63].strip(),
"data_source": rawStationRow[64:115].strip(),
"longitude": longLat.split("/")[0],
"latitude": longLat.split("/")[1],
"coordinates_x": int(corr.split("/")[0]),
"coordinates_y": int(corr.split("/")[1]),
"elevation": int(rawStationRow[idx:].strip())
}
stationPartDf = stationPartDf.append(
stationDict,
ignore_index=True
)
rawParameterRow = legendFileList[36]
parameterDict = {
"parameter": rawParameterRow[0:10].strip(),
"unit": rawParameterRow[10:47].strip(),
"description": rawParameterRow[47:].strip()
}
parameterPartDf = parameterPartDf.append(
parameterDict,
ignore_index=True
)
stationPartDf["valid_from"] = pd.datetime.now().date()
stationPartDf["valid_to"] = pd.to_datetime("2262-04-11").date()
stationPartDf.to_sql(
'station_t',
self.engine,
schema='stage',
if_exists='append',
index=False
)
parameterPartDf["valid_from"] = pd.datetime.now().date()
parameterPartDf["valid_to"] = pd.to_datetime("2262-04-11").date()
parameterPartDf.to_sql(
'parameter_t',
self.engine,
schema='stage',
if_exists='append',
index=False
)
self.stageTableRespDict.updateLoadProcess()
self.stageTableRespDict.endLoadProcess()
def idaWebStageETL(self, orderList=["*"]):
""" Runs idaweb stage etl process
Args:
orderList (list, optional): List of orders to load.
Defaults to ["*"].
"""
self.stageTableRespDict.startLoadProcess()
if self.conn is None:
self.conn = self.engine.connect()
self.conn.execute(
"TRUNCATE TABLE stage.idaweb_t;"