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-rw-r--r--third_party/python/jinxed/jinxed/_terminal.py123
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diff --git a/third_party/python/jinxed/jinxed/_terminal.py b/third_party/python/jinxed/jinxed/_terminal.py
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+++ b/third_party/python/jinxed/jinxed/_terminal.py
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+# -*- coding: utf-8 -*-
+# Copyright 2019 Avram Lubkin, All Rights Reserved
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+Provides a terminal class primarily for accessing functions that depend on
+a terminal which has been previously setup as well as those functions
+"""
+
+import importlib
+import io
+import platform
+import sys
+
+from jinxed.terminfo import BOOL_CAPS, NUM_CAPS
+from jinxed._util import BASESTRING, error, raise_from_none
+
+if platform.system() == 'Windows': # pragma: no branch
+ from jinxed.win32 import get_term # pragma: no cover
+else:
+ from jinxed._util import get_term
+
+
+TERM = None
+
+
+class Terminal(object):
+ """
+ Persistent terminal object for functions that require a previously configured state
+ """
+
+ def __init__(self, term=None, fd=-1): # pylint: disable=invalid-name
+
+ # Type check for term
+ if term is not None and not isinstance(term, BASESTRING):
+ raise TypeError('term must be a string or None, not %s' % type(term).__name__)
+
+ # Type check and default handling for fd
+ if fd == -1:
+ try:
+ self.stream_fd = sys.stdout.fileno()
+ except (AttributeError, TypeError, io.UnsupportedOperation):
+ self.stream_fd = None
+ elif not isinstance(fd, int):
+ raise TypeError('fd must be an integer, not %s' % type(fd).__name__)
+ else:
+ self.stream_fd = fd
+
+ # Try to dynamically determine terminal type
+ if term is None:
+ term = get_term(self.stream_fd)
+
+ try:
+ self.terminfo = importlib.import_module('jinxed.terminfo.%s' % term.replace('-', '_'))
+ except ImportError:
+ raise_from_none(error('Could not find terminal %s' % term))
+
+ def tigetstr(self, capname):
+ """
+ Reimplementation of curses.tigetstr()
+ """
+
+ return self.terminfo.STR_CAPS.get(capname, None)
+
+ def tigetnum(self, capname):
+ """
+ Reimplementation of curses.tigetnum()
+ """
+
+ return self.terminfo.NUM_CAPS.get(capname, -1 if capname in NUM_CAPS else -2)
+
+ def tigetflag(self, capname):
+ """
+ Reimplementation of curses.tigetflag()
+ """
+
+ if capname in self.terminfo.BOOL_CAPS:
+ return 1
+ if capname in BOOL_CAPS:
+ return 0
+ return -1
+
+
+def setupterm(term=None, fd=-1): # pylint: disable=invalid-name
+ """
+ Reimplementation of :py:func:`curses.setupterm`
+ """
+
+ global TERM # pylint: disable=global-statement
+ TERM = Terminal(term, fd)
+
+
+def tigetflag(capname):
+ """
+ Reimplementation of :py:func:`curses.tigetflag`
+ """
+
+ if TERM is None:
+ raise error('Must call setupterm() first')
+ return TERM.tigetflag(capname)
+
+
+def tigetnum(capname):
+ """
+ Reimplementation of :py:func:`curses.tigetnum`
+ """
+
+ if TERM is None:
+ raise error('Must call setupterm() first')
+ return TERM.tigetnum(capname)
+
+
+def tigetstr(capname):
+ """
+ Reimplementation of :py:func:`curses.tigetstr`
+ """
+
+ if TERM is None:
+ raise error('Must call setupterm() first')
+ return TERM.tigetstr(capname)