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Fix DOS formatting, some minor nits.

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adustman
2000-04-19 23:51:34 +00:00
parent 727b0d2122
commit dee24e5754
3 changed files with 51 additions and 51 deletions
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98
mysql/examples/dbtrainer0
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@ -1,4 +1,4 @@
#!/usr/bin/python #!/usr/bin/
__version__ = "$Revision$"[11:-2] __version__ = "$Revision$"[11:-2]
@ -6,19 +6,19 @@ __version__ = "$Revision$"[11:-2]
# Original credits follow. This is a nice introduction in general, # Original credits follow. This is a nice introduction in general,
# but I felt there were a few bits and pieces that needs to be cleaned up. # but I felt there were a few bits and pieces that needs to be cleaned up.
# TITLE: dbtrainer0 # TITLE:
# WRITTEN BY: Bradley Stec, July 1999 # WRITTEN BY: Bradley Stec, July
# RuleSpace, Inc. # RuleSpace, Inc.
# SUPPORTS: WebOps Database Interface Trainer Script # SUPPORTS: WebOps Database Interface Trainer
# PURPOSE: This script is an code and output example of how to use the # PURPOSE: This script is an code and output example of how to use
# MySQLdb API to communicate with a database and perform basic # MySQLdb API to communicate with a database and perform
# SQL queries. # SQL queries.
# FUNCTION: Both by executing the script and by reading the source code, # FUNCTION: Both by executing the script and by reading the source code,
# a programmer should be able to get a grasp on how the interface # a programmer should be able to get a grasp on how the
# works and may borrow code for their own script projects. # works and may borrow code for their own script projects.
# REQUIREMENTS: This script requires the access to the webops module, and that a # REQUIREMENTS: This script requires the access to the webops module, and that
# database named "TEST" be installed in the webops specified # database named "TEST" be installed in the webops specified
# database server. The contents of the test database can be created # database server. The contents of the test database can be
# using the following SQL command sets. # using the following SQL command sets.
# #
# CREATE TABLE COLORS ( # CREATE TABLE COLORS (
@ -59,16 +59,16 @@ __version__ = "$Revision$"[11:-2]
# INSERT INTO TEAM VALUES (3,'Brittney','McChristy','The Data Diva','blue',NOW(),NOW()); # INSERT INTO TEAM VALUES (3,'Brittney','McChristy','The Data Diva','blue',NOW(),NOW());
# INSERT INTO TEAM VALUES (4,'Fuzzy','Logic','The Logic Bunny','cyan',NOW(),NOW()); # INSERT INTO TEAM VALUES (4,'Fuzzy','Logic','The Logic Bunny','cyan',NOW(),NOW());
# #
# CHANGES: 7/99 Initial Version # CHANGES: 7/99 Initial
import sys import
#import webops #import
import traceback import
sys.stderr = sys.stdout sys.stderr = sys.
# Set Up Page Layout # Set Up Page
print "content-type: text/html" print "content-type: text/html"
print
print "<HTML>\n" print "<HTML>\n"
print "<BODY BGCOLOR=\"#FFFFFF\">\n" print "<BODY BGCOLOR=\"#FFFFFF\">\n"
print "<FONT FACE=\"arial\" SIZE=\"3\"><B>RuleSpace, Inc. WebOps Database Interface Trainer - Part 0</B><BR><HR>" print "<FONT FACE=\"arial\" SIZE=\"3\"><B>RuleSpace, Inc. WebOps Database Interface Trainer - Part 0</B><BR><HR>"
@ -76,22 +76,22 @@ print "The purpose of this page is to present sample code for interfacing with t
print "By viewing the CGI script which presents the information below you'll be able to see how the database interface and API works within the WebOps scripting environment.<P>" print "By viewing the CGI script which presents the information below you'll be able to see how the database interface and API works within the WebOps scripting environment.<P>"
print "<HR>" print "<HR>"
# Loading The API Support # Loading The API
# The API MySQLdb is a thin wrapper around a C program which is also in the site-packages directory called _mysqlmodule.so # The API MySQLdb is a thin wrapper around a C program which is also in the site-packages directory called _mysqlmodule.
# The API follows the Python Database API Spec version 2.0 which basically sets standards for what kind of methods will be # The API follows the Python Database API Spec version 2.0 which basically sets standards for what kind of methods will
# used to access databases within the Python environment. The _mysqlmodule.so and MySQLdb.py programs allow a programmer # used to access databases within the Python environment. The _mysqlmodule.so and MySQLdb.py programs allow a
# to pass SQL commands/queries through to a database. The database server may be remote or local. The MySQL database server # to pass SQL commands/queries through to a database. The database server may be remote or local. The MySQL database
# software doesn't provide an interactive cursor, so the API programs create a "cursor" in local memory. Read the Python # software doesn't provide an interactive cursor, so the API programs create a "cursor" in local memory. Read the
# Database API Spec version 2.0 for details. # Database API Spec version 2.0 for details.
# This command loads the support files # This command loads the support
import MySQLdb import
# PREPARE TO CONNECT TO DATABASE # PREPARE TO CONNECT TO DATABASE
# This command forms a connection through the support files to the target database server and database name. # This command forms a connection through the support files to the target database server and database name.
try: try:
# Note: most of these keyword values have reasonable defaults. # Note: most of these keyword values have reasonable defaults.
# The following line with probably also work, depending on your # The following line with probably also work, depending on
# MySQL configuration: # MySQL configuration:
WebOpsDB = MySQLdb.Connect(db='test') WebOpsDB = MySQLdb.Connect(db='test')
#WebOpsDB = MySQLdb.Connection(host=webops.dbserver,user=webops.dbuser,passwd=webops.dbpass,db='test',port=3306,unix_socket="") #WebOpsDB = MySQLdb.Connection(host=webops.dbserver,user=webops.dbuser,passwd=webops.dbpass,db='test',port=3306,unix_socket="")
@ -100,7 +100,7 @@ except:
traceback.print_exc() traceback.print_exc()
sys.exit() sys.exit()
# A LITTLE BONUS INFORMATION FROM THE API # A LITTLE BONUS INFORMATION FROM THE
# The API can provide some information about the connection and server. # The API can provide some information about the connection and server.
# These functions are not portable to other databases. # These functions are not portable to other databases.
print "<B>CONNECTED TO</B><BR>" print "<B>CONNECTED TO</B><BR>"
@ -109,9 +109,9 @@ print "&nbsp;&nbsp;&nbsp;&nbsp;running <B>mySQL server v", WebOpsDB.get_server_i
print "&nbsp;&nbsp;&nbsp;&nbsp;current status: ",WebOpsDB.stat(), "<P>" print "&nbsp;&nbsp;&nbsp;&nbsp;current status: ",WebOpsDB.stat(), "<P>"
print "<HR>" print "<HR>"
# CREATE YOUR PERSONAL CONNECTION TO THE "RESULTS" WITHIN THE CONNECTION OBJECT # CREATE YOUR PERSONAL CONNECTION TO THE "RESULTS" WITHIN THE CONNECTION
# We haven't actually queried anything yet, so don't get confused, we're just preparing for it. # We haven't actually queried anything yet, so don't get confused, we're just preparing for it.
# A cursor is a "result set" holding object. The API creates a "cursor" object complete with a set of # A cursor is a "result set" holding object. The API creates a "cursor" object complete with a set
# methods for executing query results into it. # methods for executing query results into it.
try: try:
cursor = WebOpsDB.cursor() cursor = WebOpsDB.cursor()
@ -120,7 +120,7 @@ except:
traceback.print_exc() traceback.print_exc()
sys.exit() sys.exit()
# PERFORM A QUERY # PERFORM A
# The cursor object is a Python class object. In it, we can specify a query. Below we query the TEAM table from the # The cursor object is a Python class object. In it, we can specify a query. Below we query the TEAM table from the
# WebOpsDB object by referring to our new "cursor" object. # WebOpsDB object by referring to our new "cursor" object.
try: try:
@ -130,17 +130,17 @@ except:
traceback.print_exc() traceback.print_exc()
sys.exit() sys.exit()
# STORE THE RESULTS INTO A LOCALLY CONTROLLED MEMORY LOCATION # STORE THE RESULTS INTO A LOCALLY CONTROLLED MEMORY
# Two things just came from our query: 1) a description of the table structure and 2) a result set stored in the API cursor. # Two things just came from our query: 1) a description of the table structure and 2) a result set stored in the API cursor.
# The API "cursor" must be "consumed" by your script to get the results out. Therefore its a good idea to store the results # The API "cursor" must be "consumed" by your script to get the results out. Therefore its a good idea to store the
# into a local variable. The results will become a nicely formatted Python list data type. If you don't store it locally, # into a local variable. The results will become a nicely formatted Python list data type. If you don't store it locally,
# you'll need to requery the database every time you need the data again. # you'll need to requery the database every time you need the data again.
# 1) THE TABLE STRUCTURE # 1) THE TABLE
# The cursor.description attribute will provide a Python list data type representation of the field structure. # The cursor.description attribute will provide a Python list data type representation of the field structure.
# In the example below we use the for loop to travel through the list and read the first element of each list. # In the example below we use the for loop to travel through the list and read the first element of each list.
# 2) THE RESULT SET # 2) THE RESULT
# The result set can be completely fetched into one list data type. # The result set can be completely fetched into one list data type.
try: try:
resultSet = cursor.fetchall() resultSet = cursor.fetchall()
@ -149,19 +149,19 @@ except:
traceback.print_exc() traceback.print_exc()
sys.exit() sys.exit()
# AND NOW YOU CAN SEE RESULTS # AND NOW YOU CAN SEE
# Now you can take your information and present it. # Now you can take your information and present it.
print "<B>EXAMPLES OF USING THE <U>SELECT</U> SQL COMMAND.</B><P>" print "<B>EXAMPLES OF USING THE <U>SELECT</U> SQL COMMAND.</B><P>"
print "QUERY OF TEAM TABLE<BR>" print "QUERY OF TEAM TABLE<BR>"
print "<FONT SIZE=\"1\"><B>(" print "<FONT SIZE=\"1\"><B>("
# The Table Field Names # The Table Field
for cursorFieldname in cursor.description: for cursorFieldname in cursor.description:
print cursorFieldname[0]+"," print cursorFieldname[0]+","
print ")</B>" print ")</B>"
print "<BR>" print "<BR>"
# The Result Set # The Result
for cursorRecord in resultSet: for cursorRecord in resultSet:
print cursorRecord print
print "<BR>" print "<BR>"
print "<P></FONT>" print "<P></FONT>"
@ -174,14 +174,14 @@ for cursorRecord in resultSet:
print "<TR>" print "<TR>"
for cursorField in cursorRecord: for cursorField in cursorRecord:
print "<TD><FONT FACE=\"arial\" SIZE=\"1\">" print "<TD><FONT FACE=\"arial\" SIZE=\"1\">"
print cursorField print
print "</FONT></TD>" print "</FONT></TD>"
print "</TR>" print "</TR>"
print "</TABLE>" print "</TABLE>"
print "</CENTER>" print "</CENTER>"
print "&nbsp;<P></FONT><P><HR><P>" print "&nbsp;<P></FONT><P><HR><P>"
# HERE'S ANOTHER TABLE # HERE'S ANOTHER
try: try:
cursor.execute("SELECT * FROM COLORS") cursor.execute("SELECT * FROM COLORS")
except: except:
@ -198,11 +198,11 @@ print "<BR>"
# The values are loaded into the object 'resultSet' # The values are loaded into the object 'resultSet'
resultSet = cursor.fetchall() resultSet = cursor.fetchall()
for cursorRecord in resultSet: for cursorRecord in resultSet:
print cursorRecord print
print "<BR>" print "<BR>"
print "&nbsp;<BR></FONT>" print "&nbsp;<BR></FONT>"
# Display Query Results In Columns # Display Query Results In
print "<FONT SIZE=\"1\">same results in very nicely formatted columns:<BR>" print "<FONT SIZE=\"1\">same results in very nicely formatted columns:<BR>"
print "<TABLE BORDER=\"1\"><TR>" print "<TABLE BORDER=\"1\"><TR>"
for cursorFieldname in cursor.description: for cursorFieldname in cursor.description:
@ -212,15 +212,15 @@ for cursorRecord in resultSet:
print "<TR>" print "<TR>"
for cursorField in cursorRecord: for cursorField in cursorRecord:
print "<TD><FONT FACE=\"arial\" SIZE=\"1\">" print "<TD><FONT FACE=\"arial\" SIZE=\"1\">"
print cursorField print
print "</FONT></TD>" print "</FONT></TD>"
print "</TR>" print "</TR>"
print "</TABLE>" print "</TABLE>"
print "</CENTER>" print "</CENTER>"
print "&nbsp;<P><HR><P></FONT>" print "&nbsp;<P><HR><P></FONT>"
# NOW WE CAN SEE HOW TO COMBINE KEYED TABLES # NOW WE CAN SEE HOW TO COMBINE KEYED
# The following query uses standard SQL commands to join the two databases together and produce a list of each of the team's # The following query uses standard SQL commands to join the two databases together and produce a list of each of the team'
# favorite colors. # favorite colors.
try: try:
cursor.execute("SELECT TEAM.FIRST_NAME,TEAM.LAST_NAME,TEAM.FAV_COLOR,COLORS.PRIME_COLOR FROM TEAM,COLORS WHERE TEAM.FAV_COLOR = COLORS.COLOR") cursor.execute("SELECT TEAM.FIRST_NAME,TEAM.LAST_NAME,TEAM.FAV_COLOR,COLORS.PRIME_COLOR FROM TEAM,COLORS WHERE TEAM.FAV_COLOR = COLORS.COLOR")
@ -242,14 +242,14 @@ for cursorRecord in resultSet:
print "<TR>" print "<TR>"
for cursorField in cursorRecord: for cursorField in cursorRecord:
print "<TD><FONT FACE=\"arial\" SIZE=\"1\">" print "<TD><FONT FACE=\"arial\" SIZE=\"1\">"
print cursorField print
print "</FONT></TD>" print "</FONT></TD>"
print "</TR>" print "</TR>"
print "</TABLE>" print "</TABLE>"
print "</CENTER>" print "</CENTER>"
print "<P>" print "<P>"
# CLOSING THE DATABASE OBJECT # CLOSING THE DATABASE
try: try:
WebOpsDB.close() WebOpsDB.close()
except: except:
@ -257,10 +257,10 @@ except:
traceback.print_exc() traceback.print_exc()
sys.exit() sys.exit()
# CONTINUED IN DBTRAINER1 # CONTINUED IN
# To learn more about inserting records, and performing other SQL functions review # To learn more about inserting records, and performing other SQL functions
# dbtrainer1. # dbtrainer1.
# END YOUR HTML PAGE # END YOUR HTML
print "</FONT></BODY>\n" print "</FONT></BODY>\n"
print "</HTML>\n" print "</HTML>\n"

2
mysql/examples/dbtrainer1
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@ -52,7 +52,7 @@ import MySQLdb
# This command forms a connection through the support files to the target database server and database name. # This command forms a connection through the support files to the target database server and database name.
try: try:
#WebOpsDB = MySQLdb.Connection(host=webops.dbserver,user=webops.dbuser,passwd=webops.dbpass,db='test',port=3306,unix_socket="") #WebOpsDB = MySQLdb.Connection(host=webops.dbserver,user=webops.dbuser,passwd=webops.dbpass,db='test',port=3306,unix_socket="")
WebOpsDB = MySQL.Connect(db='test') WebOpsDB = MySQLdb.Connect(db='test')
except: except:
print "\n\n<PRE>" print "\n\n<PRE>"
traceback.print_exc() traceback.print_exc()

2
mysql/examples/dbtrainer4
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@ -23,7 +23,7 @@ __version__ = "$Revision$"[11:-2]
# CHANGES: 7/99 Initial Version # CHANGES: 7/99 Initial Version
import sys import sys
import webops #import webops
import traceback import traceback
sys.stderr = sys.stdout sys.stderr = sys.stdout