# This progam is used to automatically submit files
# from a default changelist.
# An email module is called to send email when submit completes.
# The email module is named submit_mail.py
# Gerry Thompson Python Class Perforce Software 2004
# Version 1.1

import os, string, re 
            
p4path = 'p4'                        # Path to p4 executable.

p4 = p4path
    
def filesopen():
    opened = 1
    single = os.popen(p4 + ' -s opened -c default','r').readline()
    # If -s is not used no stderr output is captured by python and
    # 'result' will be an empty list.
    # 'File(s) not opened on this client.' is converted to stdout by
    # the -s flag and prepended with 'error:'.
    result = string.split(single, )
    if result[0] == 'error:':
        opened = 0
        print 'There are no open files in the default changelist to submit!'
    return opened
 
def submit(user, client, server):
    newchange = []
    for changeline in os.popen(p4 + ' change -o ', 'r').readlines():
        if string.count(changeline, "<enter description here>") > 0:
            changeline = '     Submit agent for user "'+user+'" using client "' + \
                         client+'" to Perforce server '+server+'.'
        newchange.append(changeline)
    # The following method works with the list created above:
    
    # submit = os.popen(p4 + ' submit -i ', 'w').writelines(newchange)
    
    # If I use popen I can query Perforce to see what the last
    # submitted changelist number my client spec submitted.  It's perhaps not
    # so important here, but if my script submits a pending numbered changelist
    # (not in this script) then I may need to know the final changelist number.
    
    # for lastsubmit in os.popen(p4 + ' changes -s submitted -m1 @' + client).readlines():
    #   changenumber = string.split(lastsubmit, )
    #   print "Here is the changelist number of my last submit: ", changenumber[1], "\n"
    
    # Using popen2 I can use stdin and stdout to get
    # the submitted changelist number.
    
    i,o = os.popen2(p4 + ' -s submit -i ', 'b')
    
    # I need to convert the list to a string when using popen2.
    
    makestring = string.join(newchange, '\n')
    i.write(makestring)
    i.close()
    submit = o.read()
    o.close()
    
    # Using this method I can retrieve the submitted
    # changelist number from Perforce if I need it.
    
    findchange = re.compile('(info: Change )([0-9]*)( submitted\.)')
    change = findchange.search(submit).group(2)
    print '\n'
    print 'Submitted change number is: ', change, '\n'
    
def autosubmit():
    for aline in os.popen(p4 + ' info','r').readlines():
        if string.count(aline, "User name") > 0:
            auser = string.strip(string.split(aline, 'User name: ')[-1])
        if string.count(aline, "Client name") > 0:
            aclient = string.strip(string.split(aline, 'Client name: ')[-1])
        if string.count(aline, "Server address") > 0:
            aserver = string.strip(string.split(aline, 'Server address: ')[-1])     
    submit(auser, aclient, aserver)
    return auser, aclient, aserver

def tryit (from_user, to_user):
    if filesopen():
        myuser, myclient, myserver = autosubmit()
        from submit_mail import sendmail
        sendmail (from_user, to_user, myuser, myclient, myserver)