New safer text input function

* Avoids EOFError exceptions and just repeats the prompt

scripts/wk/__init__.py

@@ -0,0 +1,11 @@
+'''WizardKit: wk module init'''
+
+import wk.cfg
+import wk.exe
+import wk.hw
+import wk.io
+import wk.kit
+import wk.net
+import wk.os
+import wk.std
+import wk.sw

scripts/wk/io.py

@@ -0,0 +1,6 @@
+'''WizardKit: I/O Functions'''
+# vim: sts=2 sw=2 ts=2
+
+
+if __name__ == '__main__':
+  print("This file is not meant to be called directly.")

scripts/wk/std.py

@@ -0,0 +1,49 @@
+'''WizardKit: Standard Functions'''
+# vim: sts=2 sw=2 ts=2
+
+import os
+import sys
+
+try:
+  from termios import tcflush, TCIOFLUSH
+except ImportError:
+  if os.name == 'posix':
+    raise
+
+
+# STATIC VARIABLES
+COLORS = {
+  'CLEAR':  '\033[0m',
+  'RED':    '\033[31m',
+  'ORANGE': '\033[31;1m',
+  'GREEN':  '\033[32m',
+  'YELLOW': '\033[33m',
+  'BLUE':   '\033[34m',
+  'PURPLE': '\033[35m',
+  'CYAN':   '\033[36m',
+  }
+
+
+# Functions
+def input_text(prompt='Enter text'):
+  """Get text from user, returns string."""
+  prompt = str(prompt)
+  response = None
+  if prompt[-1:] != ' ':
+    prompt += ' '
+
+  while response is None:
+    if os.name == 'posix':
+      # Flush input to (hopefully) avoid EOFError
+      tcflush(sys.stdin, TCIOFLUSH)
+    try:
+      response = input(prompt)
+    except EOFError:
+      # Ignore and try again
+      print('')
+
+  return response
+
+
+if __name__ == '__main__':
+  print("This file is not meant to be called directly.")