pythontableau-apitabpy

TabPy Python Script "Unterminated Date"

I am trying to use Tableau calculated field to use my python script. My python script queries a database. I currently use it in Spyder.

Currently I am getting the Unterminated Date Error.

with the following lines underscored in red,

#Remove the list comma
bookList = bookList[:-1]

sql = sql.format ("'" + startDate + "'", "'" + endDate +"'", "'" + nodeNames +"'")

print (sql)

df_Cs01 = pd.read_sql(sql,con)

con.close()

return df_Cs01
)

error msg:

enter image description here

My python script:

import pandas as pd
import pyodbc, os 
import datetime



def GetData (startDate, endDate, nodeNames, server='server'):
    con = pyodbc.connect(r'DSN='+server,autocommit=True)    

    #query removed for simplicity.
    sql = """  e (R.asOfDate >= {0} and R.asOfDate <= {1})
        and R.node = {2}  """

    bookList = ""

    print (nodeNames)
    #loop through the nodeNames
    for nodeName in nodeNames:
        bookList = bookList + "'" + nodeName + "',"


    #Remove the list comma
    bookList = bookList[:-1]

    sql = sql.format ("'" + startDate + "'", "'" + endDate +"'", "'" + nodeNames +"'")

    print (sql)

    df_Cs01 = pd.read_sql(sql,con)

    con.close()

    return df_Cs01

full screen:

enter image description here

Expected results that I would like to display in tableau:

+------------+-------+-----------+
|   Date     | Node  |    sum    |
+------------+-------+-----------+
| 04/02/2019 | Stack | -2.90E+06 |
| 05/02/2019 | Stack | -2.90E+06 |
+------------+-------+-----------+
Solution

  • The error you're seeing is being caused by the python comment # sign within the Tableau Calculated field.

    Tableau sees the # sign as a method to explicitly declare a date. Here is an example of something that would cause the 'Unterminated Date' error you are seeing (Take note the missing # sign after the date):

    enter image description here

    If you remove the comment within the Tableau Calculated field, it should compile correctly.