#! /usr/bin/env python
"""
epaste.py takes input from STDIN (-) or multiple files , concatenates them,
and 'pastes' the resulting text to http://rafb.net/paste to assist with data
retrival for troubleshooting, especially when there is no X server available,
and output is longer than can be viewed within a console concurrently.

TODO: add exception handling
TODO: add signal handling
TODO: gracefully handle opts
TODO: gracefully handle no data given
TODO: add help
TODO: gracefully handle bad file params
"""
import os
import sys
import pwd
import urllib
import urllib2
import fileinput


def get_nick():
	"""
	uses username and host (username@host) as nick
	#
	TODO: allow customization
	"""
	return pwd.getpwuid(os.getuid())[0] + "@" + os.uname()[1]


def get_title():
	"""
	allows user to select a title for the paste,
	uses default title if none provided
	#
	TODO: add some sane length checks
	"""
	# clear input
	sys.stdin = open("/dev/tty")
	# promt and read
	title = raw_input("Paste title: ")
	# ensure that it has a value
	if not title: title = "untitled paste"
	return title


def get_text():
	"""
	handles concatenation of data
	#
	TODO: add spaces between files
	"""
	data = ""
	for line in fileinput.input(): data += line
	return data


def get_text2():
	"""
	TODO: remove code
	"""
	# check for arguements
	args = sys.argv[1:]
	# if there are arguements, get files
	# else read from stdin
	if args: return get_text_files(args)
	else: return get_text_stdin()
	return


def get_text_stdin():
	"""
	TODO: remove code
	"""
	data = sys.stdin.read()
	return data


def get_text_files(args):
	"""
	TODO: remove code
	"""
	print "get files"
	return ""


def do_paste():
	"""
	paste text to pastebin site
	"""
	do_paste_rafb()
	return


def do_paste_rafb():
	"""
	paste text to rafb.net's pastebin service
	"""
	# build http client
	handler_redirect = urllib2.HTTPRedirectHandler()
	opener = urllib2.build_opener(handler_redirect)
	urllib2.install_opener(opener)
	# setup data
	url = "http://rafb.net/paste/paste.php"
	values = {
		'lang' : "Plain Text",
		'cvt_tabs' : "No",
		'nick' : get_nick(),
		'desc' : get_title(),
		'text' : get_text()
	}
	data = urllib.urlencode(values)
	# open connection and get response
	request = urllib2.Request(url, data)
 	response = urllib2.urlopen(request)
 	page = response.read()
	# print resulting url
	print response.geturl()
	return


def init():
	"""
	TODO: do a few sanity checks here
	"""
	return

def main():
	"""
	made code block to run necessary funtions
	"""
	init()
	do_paste()
	return

if __name__ == "__main__":
	main()