Write xml file using python
from xml.dom.minidom import Document doc = Document() people = doc.createElement("people") doc.appendChild(people) aperson = doc.createElement("person") people.appendChild(aperson) name = doc.createElement("name") aperson.appendChild(name) personname = doc.createTextNode("Annie") name.appendChild(personname) filename = "people.xml" f = open(filename, "w") f.write(doc.toprettyxml(indent=" ")) f.close()
Read and display data from sqlite table using python
import cgi, os, sys import sqlite3 as db conn = db.connect('test.db') cursor = conn.cursor() conn.row_factory = db.Row cursor.execute("select * from person") rows = cursor.fetchall() sys.stdout.write("Content-type: text.html\r\n\r\n") sys.stdout.write("") sys.stdout.write("<html><body><p>") for row in rows: sys.stdout.write("%s %s %s" % (row[0],row[1],row[2])) sys.stdout.write("<br />") sys.stdout.write("</p></body></html>")
Create a simple httpserver in python
import sys import BaseHTTPServer from SimpleHTTPServer import SimpleHTTPRequestHandler Handler = SimpleHTTPRequestHandler Server = BaseHTTPServer.HTTPServer Protocol = "HTTP/1.0" if sys.argv[1:]: port = int(sys.argv[1]) else: port = 8000 server_address = ('127.0.0.1', port) Handler.protocol_version = Protocol httpd = Server(server_address, Handler) print("Serving HTTP") httpd.serve_forever()
Website crawler in python
import urllib, htmllib, formatter, re, sys url = sys.argv[1] website = urllib.urlopen("http://"+url) data = website.read() website.close() format = formatter.AbstractFormatter(formatter.NullWriter()) ptext = htmllib.HTMLParser(format) ptext.feed(data) links = [] links = ptext.anchorlist for link in links: if re.search('http', link) != None: print(link) website = urllib.urlopen(link) data = website.read() website.close() ptext = htmllib.HTMLParser(format) ptext.feed(data) morelinks = ptext.anchorlist for alink in morelinks: if re.search('http', alink) != None: links.append(alink)
Get stock quote from yahoo finance in python
import urllib, re, sys symbol = sys.argv[1] url = 'http://finance.google.com/finance?q=' content = urllib.urlopen(url+symbol).read() m = re.search('span id="ref.*>(.*)<', content) if m: quote = m.group(1) else: quote = 'no quote for symbol: ' + symbol print(quote)
Parse hyperlinks in webpage using python
import urllib, htmllib, formatter website = urllib.urlopen("http://w3mentor.com") data = website.read() website.close() format = formatter.AbstractFormatter(formatter.NullWriter()) ptext = htmllib.HTMLParser(format) ptext.feed(data) for link in ptext.anchorlist: print(link)
Parse html using htmllib in python
import htmllib, urllib, formatter, sys website = urllib.urlopen("http://w3mentor.com") data = website.read() website.close() format = formatter.AbstractFormatter(formatter.DumbWriter(sys.stdout)) ptext = htmllib.HTMLParser(format) ptext.feed(data) ptext.close()
Use nntplib to read news in python
from nntplib import * s = NNTP('web.aioe.org') (resp, count, first, last, name) = s.group('comp.lang.python') (resp, subs) = s.xhdr('subject', (str(first)+'-'+str(last))) for subject in subs[-10:]: print(subject) number = input('Which article do you want to read? ') (reply, num, id, list) = s.body(str(number)) for line in list: print(line)
Read gmail email using python imap
import imaplib mailserver = imaplib.IMAP4_SSL('imap.gmail.com', 993) username = 'gmailusername' password = 'gmailpassword' mailserver.login(username, password) status, count = mailserver.select('Inbox') status, data = mailserver.fetch(count[0], '(UID BODY[TEXT])') print data[0][1] mailserver.close() mailserver.logout()
Send email using gmail smtp and python
import smtplib from email.MIMEMultipart import MIMEMultipart from email.MIMEText import MIMEText fromaddr = 'fromaddr@gmail.com' toaddr = 'toaddr@gmail.com' text = 'test email message sent from Python code' username = 'fromaddruser' password = 'fromaddrpassword' msg = MIMEMultipart() msg['From'] = fromaddr msg['To'] = toaddr msg['Subject'] = 'Test' msg.attach(MIMEText(text)) server = smtplib.SMTP('smtp.gmail.com:587') server.ehlo() server.starttls() server.ehlo() server.login(username, password) server.sendmail(fromaddr, toaddr, msg.as_string()) server.quit()
FTP connect and login using Python ftplib
import ftplib connect = ftplib.FTP("www.mysite.com") connect.login("domain\user", "password") data = [] connect.dir(data.append) connect.quit() for line in data: print(line)
CRUD operations in sqlite using python
import sqlite3 as db conn = db.connect('mytest.db') cursor = conn.cursor() cursor.execute("drop table if exists datecounts") cursor.execute("create table datecounts(date text, count int)") cursor.execute('insert into datecounts values("12/1/2011",35)') cursor.execute('insert into datecounts values("12/2/2011",42)') cursor.execute('insert into datecounts values("12/3/2011",38)') cursor.execute('insert into datecounts values("12/4/2011",41)') cursor.execute('insert into datecounts values("12/5/2011",40)') cursor.execute('insert into datecounts values("12/6/2011",28)') cursor.execute('insert into datecounts values("12/7/2011",45)') conn.row_factory = db.Row cursor.execute("select * from datecounts") rows = cursor.fetchall() for row in rows: print("%s %s" % (row[0], row[1])) cursor.execute("select avg(count) from datecounts") row = cursor.fetchone() print("The average count for the week was %s" % row[0]) cursor.execute("delete from datecounts where count = 40") cursor.execute("select * from datecounts") rows = cursor.fetchall() for row in rows: print("%s %s" % (row[0], row[1]))
Query sqlite table using python
import sqlite3 as db conn = db.connect('mytest.db') conn.row_factory = db.Row cursor = conn.cursor() cursor.execute("select * from person") rows = cursor.fetchall() for row in rows: print("%s %s %s" % (row["name"], row["age"], row["address"])) conn.close()
Insert values in sqlite table using python
import sqlite3 as db conn = db.connect('mytest.db') cursor = conn.cursor() cursor.execute('insert into person values("Mani","23","22,2nd cross, ka")') cursor.execute('insert into person values("Raja","22","5th cross, ka")') conn.close()
create table in sqlite using python
import sqlite3 as db conn = db.connect('mytest.db') cursor = conn.cursor() cursor.execute("create table person(name text, age text, address text)") print("table created")
using shapes module in python
from shapes import Shape from shapes import Rectangle s1 = Shape(2,4) print(s1) r1 = Rectangle(4,8,3,5) print(r1)
convert temperature using tempconv in python
from tempconv import ctof from tempconv import ftoc temp = 95 convTemp = ftoc(temp) print("the converted temp is " + str(convTemp)) temp = 0 convTemp = ctof(temp) print("the converted temp is " + str(convTemp))
Define class with methods and invoke them in python
class Person: def __init__(self, first, middle, last, age): self.first = first; self.middle = middle; self.last = last; self.age = age; def __str__(self): return self.first + ' ' + self.middle + ' ' + self.last + \ ' ' + str(self.age) def initials(self): return self.first[0] + self.middle[0] + self.last[0] def changeAge(self, val): self.age += val myPerson = Person('Raja', 'I', 'Kumar', 21) print(myPerson) myPerson.changeAge(5) print(myPerson) print(myPerson.initials())
simple function example in python
def convertTemp(temp, scale): if scale == "c": return (temp - 32.0) * (5.0/9.0) elif scale == "f": return temp * 9.0/5.0 + 32 temp = int(input("Enter a temperature: ")) scale = input("Enter the scale to convert to: ") converted = convertTemp(temp, scale) print("The converted temp is: " + str(converted))
For loop over string array in python
for name in ["kak", "John", "Mani", "Matt"]: print(name)
