>>> import arcpy
>>> arcpy.env.workspace = "C:\Users\chad\AppData\Roaming\ESRI\Desktop10.0\ArcCatalog\anrc_water (anrcuser).sde"
>>> fdlist = arcpy.ListDatasets()
>>> for fd in fdlist:
...     print fd
...
anrc_water.DBO.ChadTest
anrc_water.DBO.Temp_Data
anrc_water.DBO.Master_Datasets
ANRC_WATER.DBO.ENF_FILL_FACC
ANRC_WATER.DBO.ENF_FILL_FDIR

>>>

"""
Name: sdeconn.py
Description: Utility functions for sde connections
"""

# Import system modules
import arcpy, os, sys

def connect(database, server="<default server>", username="<default user>", password="<default password>", version="SDE.DEFAULT"):
    # Check if value entered for option
    try:
        #Usage parameters for spatial database connection to upgrade
        service = "sde:sqlserver:" + server
        account_authentication = 'DATABASE_AUTH'
        version = version.upper()
        database = database.lower()

        # Check if direct connection
        if service.find(":") <> -1:  #This is direct connect
            ServiceConnFileName = service.replace(":", "")
            ServiceConnFileName = ServiceConnFileName.replace(";", "")
            ServiceConnFileName = ServiceConnFileName.replace("=", "")
            ServiceConnFileName = ServiceConnFileName.replace("/", "")
            ServiceConnFileName = ServiceConnFileName.replace("\", "")
        else:
            arcpy.AddMessage("n+++++++++")
            arcpy.AddMessage("Exiting!!")
            arcpy.AddMessage("+++++++++")
            sys.exit("nSyntax for a direct connection in the Service parameter is required for geodatabase upgrade.")

        # Local variables
        Conn_File_NameT = server + "_" + ServiceConnFileName + "_" + database + "_" + username

        if os.environ.get("TEMP") == None:
            temp = "c:\temp"
        else:
            temp = os.environ.get("TEMP")

        if os.environ.get("TMP") == None:
            temp = "/usr/tmp"
        else:
            temp = os.environ.get("TMP")

        Connection_File_Name = temp + os.sep + Conn_File_NameT + ".sde"
        if os.path.isfile(Connection_File_Name):
            return Connection_File_Name

        # Check for the .sde file and delete it if present
        arcpy.env.overwriteOutput=True


        # Variables defined within the script; other variable options commented out at the end of the line
        saveUserInfo = "SAVE_USERNAME" #DO_NOT_SAVE_USERNAME
        saveVersionInfo = "SAVE_VERSION" #DO_NOT_SAVE_VERSION


        print "nCreating ArcSDE Connection File...n"
        # Process: Create ArcSDE Connection File...
        # Usage: out_folder_path, out_name, server, service, database, account_authentication, username, password, save_username_password, version,   save_version_info
        print temp
        print Conn_File_NameT
        print server
        print service
        print database
        print account_authentication
        print username
        print password
        print saveUserInfo
        print version
        print saveVersionInfo
        arcpy.CreateArcSDEConnectionFile_management(temp, Conn_File_NameT, server, service, database, account_authentication, username, password, saveUserInfo, version, saveVersionInfo)
        for i in range(arcpy.GetMessageCount()):
            if "000565" in arcpy.GetMessage(i):   #Check if database connection was successful
                arcpy.AddReturnMessage(i)
                arcpy.AddMessage("n+++++++++")
                arcpy.AddMessage("Exiting!!")
                arcpy.AddMessage("+++++++++n")
                sys.exit(3)
            else:
                arcpy.AddReturnMessage(i)
                arcpy.AddMessage("+++++++++n")
                return Connection_File_Name
    #Check if no value entered for option
    except SystemExit as e:
        print e.code
        return

import arcpy, sdeconn
myconnect1 = sdeconn.connect("database1", "server")
myconnect2 = sdeconn.connect("database2", "server")

DataConnections = "C:\AGS_GCSS_Tools\DatabaseConnections\"
TCA_Connection = "prod_sde.sde\prod_SDE.GIS.PropertyTax" + CAPSYear + "\prod_SDE.GIS.Tca"
TCA_Layer = DataConnections + TCA_Connection

PathSdeConnection= "C:\Users\{Username Of windows}\AppData\Roaming\ESRI\Desktop10.2\ArcCatalog\{name of ConenctionString}.sde

with arcpy.da.SearchCursor(PathSdeConnection,("OBJECTID","SHAPE@","SHAPE@JSON"),{WhereClause})as cursor:
     for row in cursor:
                       .
                       .
                       .