BA

from tkinter import *
from tkinter import ttk

root=Tk()

h=ttk.Scrollbar(root, orient=HORIZONTAL)
v=ttk.Scrollbar(root, orient=VERTICAL)
canvas=Canvas(root, scrollregion=(0,0,1000,1000), yscrollcommand=v.set, xscrollcommand=h.set)
h['command']=canvas.xview
v['command']=canvas.yview
ttk.Sizegrip(root).grid(column=1, row=1, sticky=(S,E))

canvas.grid(column=0, row=0, sticky=(N,W,E,S))
h.grid(column=0, row=1, sticky=(W,E))
v.grid(column=1, row=0, sticky=(N,S))
root.grid_columnconfigure(0,weight=1)
root.grid_rowconfigure(0,weight=1)

lastx, lasty=0,0

def xy(event):
    global lastx, lasty
    lastx, lasty=canvas.canvasx(event.x), canvas.canvasy(event.y)

def setColor(newcolor):
    global color
    color=newcolor
    canvas.dtag('all', 'paletteSelected')
    canvas.itemconfigure('palette', outline='white')
    canvas.addtag('paletteSelected', 'withtag','palette%s' % color)
    canvas.itemconfigure('paletteSelected',outline='#999999')

def addLine(event):
    global lastx, lasty
    x,y=canvas.canvasx(event.x), canvas.canvasy(event.y)
    canvas.create_line((lastx, lasty, x, y ), fill=color, width=5, tags='currentline')
    lastx, lasty=x,y

def doneStroke(event):
    canvas.itemconfigure('currentline', width=1)

canvas.bind("<Button-1>",xy)
canvas.bind("<B1-Motion>",addLine)
canvas.bind("<B1-ButtonRelease>", doneStroke)

id=canvas.create_rectangle((10,10,30,30), fill="red", tags=('palette', 'palettered'))
canvas.tag_bind(id, "<Button-1>", lambda x:setColor("red"))
id=canvas.create_rectangle((10,35,30,55), fill="blue", tags=('palette', 'paletteblue'))
canvas.tag_bind(id, "<Button-1>", lambda x: setColor("blue"))
id=canvas.create_rectangle((10,60,30,80),fill="black", tags=('palette', 'paletteblack','paletteSelected'))
canvas.tag_bind(id, "<Button-1>", lambda x: setColor("black"))

setColor('black')
canvas.itemconfigure('palette', width=5)
root.mainloop()

import threading
import time

tLock=threading.Lock()

def timer(name, delay, repeat):
    print ("Timer: " +name + " Started")
    tLock.acquire()
    while repeat>0:
        time.sleep(delay)
        print name+ ": "+str(time.ctime(time.time()))
        repeat-=1
    print(name + " is releasing the lock")
    tLock.release()
    print ("Timer: "+name+" Completed")

def Main():
    t1=threading.Thread(target=timer, args=("Timer1",1,5))
    t2=threading.Thread(target=timer, args=("Timer2",2,5))
    t1.start()
    t2.start()

    print ("Main Complete")

if __name__=='__main__':
    Main()

import threading
import time

class AsyncWrite(threading.Thread):
    def __init__(self, text, out):
        threading.Thread.__init__(self)
        self.text=text
        self.out=out

    def run(self):
        f=open(self.out,"a")
        f.write(self.text+'\n')
        f.close()
        time.sleep(2)
        print ("Finished Background file write to "+ self.out)


def Main():
    message=input("Enter a string to store:")
    background=AsyncWrite(message, 'out.txt')
    background.start()
    print ("The program can continue to run while it write in another thread")
    print (100+400)

    background.join()
    print("Waited until thread was complete")

if __name__=='__main__':
    Main()

from threading import Thread
import time

def timer(name, delay, repeat):
    print ("Timer: " +name + " Started")
    while repeat>0:
        time.sleep(delay)
        print name+ ": "+str(time.ctime(time.time()))
        repeat-=1
    print ("Timer: "+name+" Completed")

def Main():
    t1=Thread(target=timer, args=("Timer1",1,5))
    t2=Thread(target=timer, args=("Timer2",2,5))
    t1.start()
    t2.start()

    print ("Main Complete")

if __name__=='__main__':
    Main()

from tkinter import *

def doNothing():
    print("ok ok I won't...")

root=Tk()

# ***** Main Menu *****

menu=Menu(root)
root.config(menu=menu)

subMenu=Menu(menu)
menu.add_cascade(label="File",menu=subMenu)
subMenu.add_command(label="New Project....", command=doNothing)
subMenu.add_command(label="New ", command=doNothing)
subMenu.add_separator()
subMenu.add_command(label="Exit", command=doNothing)

editMenu=Menu(menu)
menu.add_cascade(label="Edit", menu=editMenu)
editMenu.add_command(label="Redo", command=doNothing)

# ***** THe Toolbar *****

toolbar=Frame(root, bg="blue")

insertButt=Button(toolbar, text="Insert Image", command=doNothing)
insertButt.pack(side=LEFT, padx=2, pady=2)
printButt=Button(toolbar, text="Print", command=doNothing)
printButt.pack(side=LEFT, padx=2, pady=2)

toolbar.pack(side=TOP, fill=X)

# ***** Status Bar *****

status=Label(root, text="preparing to do nothing...", bd=1, relief=SUNKEN, anchor=W)
status.pack(side=BOTTOM, fill=X)

root.mainloop()

from tkinter import *

class BuckysButtons:
    def __init__(self, master):
        frame=Frame(master)
        frame.pack()

        self.printButton=Button(frame, text="print Message", command=self.printMessage)
        self.printButton.pack(side=LEFT)

        self.quitButton=Button(frame, text="Quit", command=frame.quit)
        self.quitButton.pack(side=LEFT)

    def printMessage(self):
        print("Wow, this actually works")


root=Tk()
b=BuckysButtons(root)
root.mainloop()

from tkinter import *

root=Tk()

label_1=Label(root, text="Name")
label_2=Label(root, text="Password")
entry_1=Entry(root)
entry_2=Entry(root)

label_1.grid(row=0, sticky=E)
label_2.grid(row=1, sticky=E)

entry_1.grid(row=0, column=1)
entry_2.grid(row=1, column=1)

c=Checkbutton(root, text="Give me logged in")
c.grid(columnspan=2)

root.mainloop()

__version__="0,1"
__all__=["SimpleHttpRequestHandler"]
__author__="bo"

import os
import posixpath
import BaseHTTPServer
import urllib
import cgi
import shutil
import mimetypes
import re


try:
    from cStringIO import StringIO
except ImportError:
    from StringIO import StringIO

class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
    """Simple HTTP request handler with GET/HEAD/POST commands

    This serves files from the current directory and any of its
    subdirectories. The MIME type for files is determined by
    calling the .guess_type() method. And can reveive file uploaded
    by client

    The GET/HEAD/POST requests are indentical except that the HEAD
    request omits the actual contents of the file
    """
    server_version="SImpleHTTPWithUpload/"+__version__

    def do_GET(self):
        """serve a GET request"""
        f=self.send_head()
        if f:
            self.copyfile(f, self.wfile)
            f.close()

    def do_HEAD(self):
        """ serve a HEAD request """
        f=self.send_head()
        if f:
            f.close()

    def do_POST(self):
        """serve a POST request"""
        r, info=self.deal_post_data()
        print r,info,"by: ",self.client_address
        f=StringIO()
        f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final //EN">')
        f.write("<html>\n<title>Upload Result Page</title>\n")
        f.write("<body>\n<h2>Upload Result Page</h2>\n")
        f.write("<hr>\n")
        if r:
            f.write("<strong>Success:</string>")
        else:
            f.write("<strong>Failed:</strong>")
        f.write(info)
        f.write("<br><a href=\"%s\">back</a>" %self.headers['referer'])
        f.write("</body>\n</html>\n")
        length=f.tell()
        f.seek(0)
        self.send_response(200)
        self.send_header("Content-type", "text/html")
        self.send_header("Content-Length", str(length))
        self.end_headers()
        if f:
            self.copyfile(f, self.wfile)
            f.close()

    def deal_post_data(self):
        boundary=self.headers.plisttext.split("=")[1]
        remainbytes=int(self.headers['content-length'])
        line=self.rfile.readline()
        remainbytes-=len(line)
        if not boundary in line:
            return (False, "Content NOT begin with boundary")
        line =self.rfile.readline()
        remainbytes-=len(line)
        fn=re.findall(r'Content-Disposition.*name="file"; filename="(.*)"',line)
        if not fn:
            return (False,"Can't find out file name...")
        path=self.translate_path(self.path)
        fn=os.path.join(path, fn[0])
        line=self.rfile.readline()
        remainbytes-=len(line)
        line=self.rfile.readline()
        remainbytes-=len(line)
        try:
            out=open(fn,'wb')
        except IOError:
            return (False, "Can't create file to write, do you have permission to write?")

        preline=self.rfile.readline()
        remainbytes-=len(line)

        while remainbytes>0:
            line=self.rfile.readline()
            remainbytes-=len(line)
            if boundary in line:
                preline=preline[0:-1]
                if preline.endswith('\r'):
                    preline=preline[0:-1]
                out.write(preline)
                out.close()
                return (True, "File '%s' upload success!"%fn)
            else:
                out.write(preline)
                preline=line
        return (False, "Unexpect Ends of data")

    def send_head(self):
        """common code for GET and HEAD commands
        This sends the response code and MIME headers

        Return value is either a file object (which has to be copied
        to the outputfile by the caller unless the command was HEAD,
        and must be closed by the caller under all circumstances), or
        None, in which case the caller has nothing further to do.
        """
        path =self.translate_path(self.path)
        f=None
        if os.path.isdir(path):
            if not self.path.endswith('/'):
                #redirect brower - doing basically what apache does
                self.send_response(301)
                self.send_header("Location", self.path+"/")
                self.end_headers()
                return None
            for index in "index.html", "index.htm":
                index=os.path.join(path, index)
                if os.path.exists(index):
                    path =index
                    break
            else:
                return self.list_directory(path)
        ctype=self.guess_type(path)       
        try:
            #always read in binary mode. opening files in text mode may cause
            #newline translations, making the actual size of the content
            #transmitted *less* than the content-length!
            f=open(path, 'rb')
        except IOError:
            self.send_error(404,"File not fount")
            return None
        self.send_response(200)
        self.send_header("Content-type", ctype)
        fs=os.fstat(f.fileno())
        self.send_header("Content-Length", str(fs[6]))
        self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
        self.end_headers()
        return f

    def list_directory(self, path):
        """helper to produce a directory listing (absent index.html)

        Return value is either a file object, or None (indicating an
        error). In either case, the headers are sent, making the
        interface the same as for send_head()
        """
        try:
            list=os.listdir(path)
        except os.error:
            self.send_error(404, "No permission to list directory")
            return None
        list.sort(key=lambda a:a.lower())
        f=StringIO()
        displaypath=cgi.escape(urllib.unquote(self.path))
        f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">')
        f.write("<html>\n<title>Directory listing for %s</title>\n"%displaypath)
        f.write("<body>\n<h2>Directory listing for %s</h2>\n"%displaypath)
        f.write("<hr>\n")
        f.write("<form ENCTYPE=\"multipart/form-data\" method=\"post\">")
        f.write("<input name=\"file\" type=\"file\" />")
        f.write("<input type=\"submit\" value=\"upload\"/></form>\n")
        f.write("<hr>\n<ul>\n")
        for name in list:
            fullname=os.path.join(path, name)
            displayname=linkname=name
            #append / for directories or @ for symbolic links
            if os.path.isdir(fullname):
                displayname=name+"/"
                linkname=name+"/"
            if os.path.islink(fullname):
                displayname=name+"@"
                #note: a link to a directory displays with @ and links with /
            f.write('<li><a href="%s">%s</a>\n' % (urllib.quote(linkname), cgi.escape(displayname)))
        f.write("</ul>\n<hr>\n</body>\n</html>\n")
        length=f.tell()
        f.seek(0)
        self.send_response(200)
        self.send_header("Content-type", "text/html")
        self.send_header("Content-Length", str(length))
        self.end_headers()
        return f

    def translate_path(self, path):
        """translate a /-separated PATH to the local filenames syntax

        Components that mean special things to the local file system
        (e.g drive or directory names) are ignored. (XXX They should
        probably be diagnosed)

        """
        # abandon query parameters
        path=path.split('?',1)[0]
        path=path.split('#',1)[0]
        path=posixpath.normpath(urllib.unquote(path))
        words=path.split('/')
        words=filter(None, words)
        path=os.getcwd()
        for word in words:
            drive, word=os.path.splitdrive(word)
            head, word=os.path.split(word)
            if word in (os.curdir, os.pardir): continue
            path=os.path.join(path, word)
        return path

    def copyfile(self, source, outputfile):
        """ copy all data between two file objects.

        The SOURCE argument is a file object open for reading
        (or anything with a read() method) and the DESTINATION
        argument is a file object open for writing (or
        anything with a wirte() method)

        The only reason for overriding this would be to change
        the block size or perhaps to replace newlines by CRLF
        -- note however that this the default server uses this
        to copy binary data as well
        """
        shutil.copyfileobj(source, outputfile)

    def guess_type(self, path):
        """guess the type of a file.

        Argument is a PATH (a filename)

        Return value is a string of the form type/subtype,
        usable for a MIME Content-type header

        The default implementation looks the file's extension
        up in the table self.extensions_map, using application/octet-stream
        as a default; however it would be permissible (if
        slow) to look inside the data to make a better guess.

        """
        base, ext=posixpath.splitext(path)
        if ext in self.extensions_map:
            return self.extensions_map[ext]
        ext=ext.lower()
        if ext in self.extensions_map:
            return self.extensions_map[ext]
        else:
            return self.extensions_map['']

    if not mimetypes.inited:
        mimetypes.init() #try to read system mime.types
    extensions_map=mimetypes.types_map.copy()
    extensions_map.update({
            '':'application/octet-stream', #default
            '.py':'text/plain',
            '.c':'text/plain',
            '.h':'text/plain',
            })

def test(HandlerClass=SimpleHTTPRequestHandler, ServerClass=BaseHTTPServer.HTTPServer):
    BaseHTTPServer.test(HandlerClass,ServerClass)   

if __name__=='__main__':
    test()

The following program acts like the Unix command script(1), using a pseudo-terminal to record all input and output of a terminal session in a “typescript”.

================



import sys, os, time, getopt
import pty

mode = 'wb'
shell = 'sh'
filename = 'typescript'
if 'SHELL' in os.environ:
    shell = os.environ['SHELL']

try:
    opts, args = getopt.getopt(sys.argv[1:], 'ap')
except getopt.error as msg:
    print('%s: %s' % (sys.argv[0], msg))
    sys.exit(2)

for opt, arg in opts:
    # option -a: append to typescript file
    if opt == '-a':
        mode = 'ab'
    # option -p: use a Python shell as the terminal command
    elif opt == '-p':
        shell = sys.executable
if args:
    filename = args[0]

script = open(filename, mode)

def read(fd):
    data = os.read(fd, 1024)
    script.write(data)
    return data

sys.stdout.write('Script started, file is %s\n' % filename)
script.write(('Script started on %s\n' % time.asctime()).encode())
pty.spawn(shell, read)
script.write(('Script done on %s\n' % time.asctime()).encode())
sys.stdout.write('Script done, file is %s\n' % filename)