Function open

recipes/Python/521897_SingleUploadpy/recipe-521897.py:9–105

()

search = compile(r'([^\\/]+)$').search

def open():
	global next, last
	try:
		next = '--' + parse_header(env['CONTENT_TYPE'])[1]['boundary']
	except:
		raise IOError

	last = next + '--'

	filename = None
	while not filename:
		while True:
			l = stdin.readline(65536)
			if not l:
				raise IOError

			if l[:2] == '--':
				sl = l.strip()
				if sl == next:
					break
				if sl == last:
					raise IOError

		for i in xrange(10):
			l = stdin.readline(65536).strip()
			if not l:
				break
			try:
				filename = parse_header(l.split(':', 1)[1])[1]['filename']
				break
			except:
				continue

	m = search(filename)
	if not m:
		raise IOError
	filename = m.groups()[0]

	while stdin.readline(65536).strip():
		pass

	def _readline():
		el = ''
		while True:
			l = stdin.readline(65536)
			if not l:
				raise IOError

			if l[:2] == '--' and el:
				sl = l.strip()
				if sl == next or sl == last:
					break

			ol, el = el, l[-2:] == '\r\n' and '\r\n' or (
				l[-1] == '\n' and '\n' or '')

			p = len(el)
			if p == 0: