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# The MIT License
#
# Copyright (c) 2008 Simon de Vlieger
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import
string
from
typing
import
TypeVar
,
Generic
,
Tuple
,
Dict
T
=
TypeVar
(
"T"
)
class
KeyMap
(
Generic
[
T
]):
def
__init__
(
self
,
default
:
T
)
->
None
:
self
.
map
:
Dict
[
str
,
T
]
=
{}
self
.
default
=
default
def
__getitem__
(
self
,
key
:
str
)
->
T
:
if
not
key
:
# Unbound key
return
self
.
default
elif
key
in
self
.
map
:
return
self
.
map
[
key
]
else
:
raise
KeyError
(
f"Configured keymap (
{
key
}
) does not exist in bpython.keys"
)
def
__delitem__
(
self
,
key
:
str
):
del
self
.
map
[
key
]
def
__setitem__
(
self
,
key
:
str
,
value
:
T
):
self
.
map
[
key
]
=
value
cli_key_dispatch
:
KeyMap
[
Tuple
[
str
, ...]]
=
KeyMap
(
tuple
())
urwid_key_dispatch
=
KeyMap
(
""
)
# fill dispatch with letters
for
c
in
string
.
ascii_lowercase
:
cli_key_dispatch
[
f"C-
{
c
}
"
]
=
(
chr
(
string
.
ascii_lowercase
.
index
(
c
)
+
1
),
f"^
{
c
.
upper
()
}
"
,
)
for
c
in
string
.
ascii_lowercase
:
urwid_key_dispatch
[
f"C-
{
c
}
"
]
=
f"ctrl
{
c
}
"
urwid_key_dispatch
[
f"M-
{
c
}
"
]
=
f"meta
{
c
}
"
# fill dispatch with cool characters
cli_key_dispatch
[
"C-["
]
=
(
chr
(
27
),
"^["
)
cli_key_dispatch
[
"C-
\\
"
]
=
(
chr
(
28
),
"^
\\
"
)
cli_key_dispatch
[
"C-]"
]
=
(
chr
(
29
),
"^]"
)
cli_key_dispatch
[
"C-^"
]
=
(
chr
(
30
),
"^^"
)
cli_key_dispatch
[
"C-_"
]
=
(
chr
(
31
),
"^_"
)
# fill dispatch with function keys
for
x
in
range
(
1
,
13
):
cli_key_dispatch
[
f"F
{
x
}
"
]
=
(
f"KEY_F(
{
x
}
)"
,)
for
x
in
range
(
1
,
13
):
urwid_key_dispatch
[
f"F
{
x
}
"
]
=
f"f
{
x
}
"
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