Python code coverage for Lib/curses/init.py

#	count	content
1	n/a	"""curses
2	n/a
3	n/a	The main package for curses support for Python. Normally used by importing
4	n/a	the package, and perhaps a particular module inside it.
5	n/a
6	n/a	import curses
7	n/a	from curses import textpad
8	n/a	curses.initscr()
9	n/a	...
10	n/a
11	n/a	"""
12	n/a
13	n/a	from _curses import *
14	n/a	import os as _os
15	n/a	import sys as _sys
16	n/a
17	n/a	# Some constants, most notably the ACS_* ones, are only added to the C
18	n/a	# _curses module's dictionary after initscr() is called. (Some
19	n/a	# versions of SGI's curses don't define values for those constants
20	n/a	# until initscr() has been called.) This wrapper function calls the
21	n/a	# underlying C initscr(), and then copies the constants from the
22	n/a	# _curses module to the curses package's dictionary. Don't do 'from
23	n/a	# curses import ' if you'll be needing the ACS_ constants.
24	n/a
25	n/a	def initscr():
26	n/a	import _curses, curses
27	n/a	# we call setupterm() here because it raises an error
28	n/a	# instead of calling exit() in error cases.
29	n/a	setupterm(term=_os.environ.get("TERM", "unknown"),
30	n/a	fd=_sys.__stdout__.fileno())
31	n/a	stdscr = _curses.initscr()
32	n/a	for key, value in _curses.__dict__.items():
33	n/a	if key[0:4] == 'ACS_' or key in ('LINES', 'COLS'):
34	n/a	setattr(curses, key, value)
35	n/a
36	n/a	return stdscr
37	n/a
38	n/a	# This is a similar wrapper for start_color(), which adds the COLORS and
39	n/a	# COLOR_PAIRS variables which are only available after start_color() is
40	n/a	# called.
41	n/a
42	n/a	def start_color():
43	n/a	import _curses, curses
44	n/a	retval = _curses.start_color()
45	n/a	if hasattr(_curses, 'COLORS'):
46	n/a	curses.COLORS = _curses.COLORS
47	n/a	if hasattr(_curses, 'COLOR_PAIRS'):
48	n/a	curses.COLOR_PAIRS = _curses.COLOR_PAIRS
49	n/a	return retval
50	n/a
51	n/a	# Import Python has_key() implementation if _curses doesn't contain has_key()
52	n/a
53	n/a	try:
54	n/a	has_key
55	n/a	except NameError:
56	n/a	from .has_key import has_key
57	n/a
58	n/a	# Wrapper for the entire curses-based application. Runs a function which
59	n/a	# should be the rest of your curses-based application. If the application
60	n/a	# raises an exception, wrapper() will restore the terminal to a sane state so
61	n/a	# you can read the resulting traceback.
62	n/a
63	n/a	def wrapper(func, args, *kwds):
64	n/a	"""Wrapper function that initializes curses and calls another function,
65	n/a	restoring normal keyboard/screen behavior on error.
66	n/a	The callable object 'func' is then passed the main window 'stdscr'
67	n/a	as its first argument, followed by any other arguments passed to
68	n/a	wrapper().
69	n/a	"""
70	n/a
71	n/a	try:
72	n/a	# Initialize curses
73	n/a	stdscr = initscr()
74	n/a
75	n/a	# Turn off echoing of keys, and enter cbreak mode,
76	n/a	# where no buffering is performed on keyboard input
77	n/a	noecho()
78	n/a	cbreak()
79	n/a
80	n/a	# In keypad mode, escape sequences for special keys
81	n/a	# (like the cursor keys) will be interpreted and
82	n/a	# a special value like curses.KEY_LEFT will be returned
83	n/a	stdscr.keypad(1)
84	n/a
85	n/a	# Start color, too. Harmless if the terminal doesn't have
86	n/a	# color; user can test with has_color() later on. The try/catch
87	n/a	# works around a minor bit of over-conscientiousness in the curses
88	n/a	# module -- the error return from C start_color() is ignorable.
89	n/a	try:
90	n/a	start_color()
91	n/a	except:
92	n/a	pass
93	n/a
94	n/a	return func(stdscr, args, *kwds)
95	n/a	finally:
96	n/a	# Set everything back to normal
97	n/a	if 'stdscr' in locals():
98	n/a	stdscr.keypad(0)
99	n/a	echo()
100	n/a	nocbreak()
101	n/a	endwin()

Python code coverage for Lib/curses/__init__.py

Python code coverage for Lib/curses/init.py