Ted's Blog

#!/usr/bin/env python
#-*- coding: UTF-8 -*-
     
import sys, os, smtplib, socket, email
from getpass import getpass

from email.MIMEText import MIMEText
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email import Utils, Encoders
import mimetypes

kilobytes = 1024
megabytes = kilobytes * 1024
#chunksize = int(1 * kilobytes)
chunksize = int(24 * megabytes)                   # 24M
     
server = 'smtp.gmail.com'
fromaddr = 'youraccout@gmail.com'
toaddrs = 'youranotheraccout@gmail.com'


def genpart(data, contenttype):
    maintype, subtype = contenttype.split('/')
    if maintype == 'text':
        retval = MIMEText(data, _subtype=subtype)
    else:
        retval = MIMEBase(maintype, subtype)
        retval.set_payload(data)
        Encoders.encode_base64(retval)
    return retval

def attachment(filename):
    fd = open(filename, 'rb')
    mimetype, mimeencoding = mimetypes.guess_type(filename)
    if mimeencoding or (mimetype is None):
        mimetype = 'application/octet-stream'
    retval = genpart(fd.read(), mimetype)
    retval.add_header('Content-Disposition', 'attachment',
            filename = filename)
    fd.close()
    return retval

def split(fromfile, todir, chunksize=chunksize):
    if not os.path.exists(todir):                  # caller handles errors
        os.mkdir(todir)                            # make dir, read/write parts
    else:
        for fname in os.listdir(todir):            # delete any existing files
            os.remove(os.path.join(todir, fname))
    #try:
        #os.mkdir(todir)                            # make dir, read/write parts
    #except:
        #print "mkdir %s error" % todir
        #raise SystemExit
    partnum = 0
    input = open(fromfile, 'rb')                   # use binary mode on Windows
    while 1:                                       # eof=empty string from read
        chunk = input.read(chunksize)              # get next part <= chunksize
        if not chunk: break
        partnum  = partnum+1
        filename = os.path.join(todir, ('part%04d' % partnum))
        fileobj  = open(filename, 'wb')
        fileobj.write(chunk)
        fileobj.close()                            # or simply open().write()
    input.close()
    assert partnum <= 9999                         # join sort fails if 5 digits
    return partnum

def process_file(filename):
    try:
        dirname, ext = filename.split(".", 1)
    except:
        print "filename = %s" % filename

    split(filename, dirname, chunksize)
    absdir = os.path.join(os.path.abspath('.'), dirname)
    return os.path.basename(filename), absdir
def send(gmail, subject, file):
    msg = MIMEMultipart()
    msg['To'] = '%s' % toaddrs
    msg['From'] = '%s' % fromaddr
    msg['Subject'] = '%s' % subject
    msg['Date'] = Utils.formatdate(localtime = 1)
    msg['Message-ID'] = Utils.make_msgid()
    msg.attach(attachment(file))
    message = str(msg)
    try:
        gmail.sendmail(fromaddr, toaddrs, message)
    except (socket.gaierror, socket.error, socket.herror, smtplib.SMTPException), e:
        print "%s may not have been sent!" % subject
        print e
        sys.exit(1)
    else:
        print "%s successfully sent " % subject
def walkdir(source, gmail):
    if os.path.isfile(source):
        size = os.stat(source)[6]
        if size > chunksize:
            filename, absdir = process_file(source)
            print filename, absdir
            for fname in os.listdir(absdir):
                subject = filename+ '-' + fname
                file = os.path.join(os.path.abspath(absdir), fname)
                print subject, file
                send(gmail, subject, file)
        else:
            print source
            send(gmail, os.path.basename(source), source)

    elif os.path.isdir(source):
        for fname in os.listdir(source):
            walkdir(os.path.join(source, fname), gmail)
           
if __name__ == '__main__':
    source = sys.argv[1]
    sys.stdout.write("username: %s\n" % fromaddr)
    username = fromaddr
    password = getpass("Enter password: ")

    s = smtplib.SMTP(server)
    code = s.ehlo()[0]
    usesesmtp = 1
    if not (200 <= code <= 299):
        usesesmtp = 0
        code = s.helo()[0]
        if not (200 <= code <= 299):
            raise SMTPHeloError(code, resp)

    if usesesmtp and s.has_extn('starttls'):
        print "Negotiating TLS...."
        s.starttls()
        code = s.ehlo()[0]
        if not (200 <= code <= 299):
            print "Couldn't EHLO after STARTTLS"
            sys.exit(5)
        print "Using TLS connection."
    else:
        print "Server does not support TLS; using normal connection."

    try:
        s.login(username, password)
    except smtplib.SMTPException, e:
        print "Authentication failed:", e
        sys.exit(1)


    walkdir(source, s)

#!/usr/bin/env python
# vim: set fileencoding=utf-8:
import os.path, fnmatch
import os, random, time

def listFiles(root, patterns='*', recurse=1, return_folders=0):

    # Expand patterns from semicolon-separated string to list           
    pattern_list = patterns.split(';')
    # Collect input and output arguments into one bunch
    class Bunch:
        def __init__(self, **kwds): self.__dict__.update(kwds)
    arg = Bunch(recurse=recurse, pattern_list=pattern_list,
        return_folders=return_folders, results=[])

    def visit(arg, dirname, files):
        # Append to arg.results all relevant files (and perhaps folders)
        for name in files:
            fullname = os.path.normpath(os.path.join(dirname, name))                #目录规范化
            if arg.return_folders or os.path.isfile(fullname):                      #判断是否返回目录。 是否是文件
                for pattern in arg.pattern_list:                                    #模式匹配用 "or" ,符合一个就ok
                    if fnmatch.fnmatch(name, pattern):
                        arg.results.append(fullname)                                #结果中添加文件名称
                        break
        # Block recursion if recursion was disallowed
        if not arg.recurse: files[:]=[]                               #把list中目录包含的文件/子目录置空，子目录没了哈

    os.path.walk(root, visit, arg)

    return arg.results

thefiles = listFiles('/home/gentoo/picture/wallpaper/', '*.jpg;*.gif;*.png', 1, 0)
while True:
    try:
        num = random.randint(0, len(thefiles))
        cmd = 'gconftool-2 --type string --set /desktop/gnome/background/picture_filename ' + thefiles[num-1]
        os.system(cmd)
        time.sleep(60*5);
    except:
        raise SystemExit