cli | paing coming along

tabbed/cli.py

@@ -1,23 +1,82 @@
 #!/usr/bin/env python
 # encoding: utf-8
 
+import io
+import sys
 
 from helpers import *
-# from core import Parse
+import tabbed.core
+
 
 from packages import opster
 
+opts = [('v', 'version', False, 'Report tabbed version')]
 
-opts = (
-	('v', 'version', False, 'Report tabbed version'),
-	('', 'to', False, 'Output format')
-)
+formats = ('json', 'yaml', 'xls', 'csv', 'html')
+
+for format in formats:
+	opts.append(('', format, False, 'Output to %s' % (format.upper())))
 
 
-@opster.command(options=opts, usage='[FILE] [--to] [FILE]')
-def start(**opts):
+@opster.command(options=opts, usage='[FILE] [--FORMAT | FILE]')
+def start(in_file=None, out_file=None, **opts):
 	""" Converts dataset formats """
 	
-	print opts
+	opts = Object(**opts)
 	
-	opts = Object(**opts)
+	if opts.version:
+		print('Tabbed, Ver. %s' % tabbed.core.__version__)
+		exit(0)
+	
+	stdin = piped()
+	
+	if stdin:
+		print stdin
+	
+	elif in_file:
+		
+		in_file = io.open(in_file, 'r')
+		
+		print in_file.read()
+		try:
+			in_file = io.open(in_file)
+		except Exception, e:
+			print(' %s cannot be read.' % in_file)
+			exit(65)
+		
+		
+		file_ext = in_file.name.split('.')[-1]
+		
+		if file_ext.lower() in formats:
+			setattr(opts, file_ext, True)
+		else:
+			print('Import format not supported.')
+			exit(65)
+	else:
+		print('Please provide input.')
+		
+
+	
+	_formats_sum = sum(opts[f] for f in formats)
+	
+	# Multiple output formats given
+	if _formats_sum > 1:
+		print('Please specify a single output format.')
+		exit(64)
+		
+	# No output formats given
+	elif _formats_sum < 1:
+		print('Please specify an output format.')
+		exit(64)
+	
+	
+	# fetch options.formats list
+	# if sum(()) > 1
+	# log only one data format please
+	# if sum of formats == 0, specity format
+	
+	# look for filename
+	
+	print opts.__dict__
+	print in_file
+	print out_file