os.mkdir(savedir)

def saveAttachments(form, maxattach=3, savedir=savedir):
"""
save uploaded attachment files in local files on server from
which mailtools will add to mail; the 3.1 FieldStorage parser
and other parts of cgi module can fail for many upload types,
so we don't try very hard to handle Unicode encodings here;
"""
partnames = []
for i in range(1, maxattach+1):
fieldname = 'attach%d' % i
if fieldname in form and form[fieldname].filename:
fileinfo = form[fieldname] # sent and filled?
filedata = fileinfo.value # read into string
filename = fileinfo.filename # client's pathname
if '\' in filename:
basename = filename.split('\')[-1] # try DOS clients
elif '/' in filename:
basename = filename.split('/')[-1] # try Unix clients
else:
basename = filename # assume dir stripped
pathname = os.path.join(savedir, basename)
if isinstance(filedata, str): # 3.0: rb needs bytes
filedata = filedata.encode() # 3.0: use encoding?
savefile = open(pathname, 'wb')
savefile.write(filedata) # or a with statement
savefile.close() # but EIBTI still
os.chmod(pathname, 0o666) # need for some srvrs
partnames.append(pathname) # list of local paths
return partnames # gets type from name

#commonhtml.dumpstatepage(0)
form = cgi.FieldStorage() # parse form input data
attaches = saveAttachments(form) # cgi.print_form(form) to see

server name from module or get-style URL

smtpservername = commonhtml.getstandardsmtpfields(form)

parms assumed to be in form or URL here

from commonhtml import getfield # fetch value attributes
From = getfield(form, 'From') # empty fields may not be sent
To = getfield(form, 'To')
Cc = getfield(form, 'Cc')
Subj = getfield(form, 'Subject')
text = getfield(form, 'text')
if Cc == '?': Cc = ''

3.0: headers encoded per utf8 within mailtools if non-ascii

parser = mailtools.MailParser()
Tos = parser.splitAddresses(To) # multiple recip lists: ',' sept
Ccs = (Cc and parser.splitAddresses(Cc)) or ''
extraHdrs = [('Cc', Ccs), ('X-Mailer', 'PyMailCGI 3.0')]

3.0: resolve main text and text attachment encodings; default=ascii in mailtools

1244 | Chapter 16: The PyMailCGI Server