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bpython/bpython/simplerepl.py at master · Minimalistic/bpython · GitHub
This repository was archived by the owner on Apr 29, 2026. It is now read-only.
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# encoding: utf-8
# The MIT License
#
# Copyright (c) 2015 the bpython authors.
#
# 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.
"""An example bpython repl without a nice UI for testing and to demonstrate
the methods of bpython.curtsiesrepl.repl.BaseRepl that must be overridden.
"""
from
__future__
import
unicode_literals
,
print_function
,
absolute_import
import
time
import
logging
from
.
curtsiesfrontend
.
repl
import
BaseRepl
from
.
curtsiesfrontend
import
events
as
bpythonevents
from
.
import
translations
from
.
import
importcompletion
from
curtsies
.
configfile_keynames
import
keymap
as
key_dispatch
logger
=
logging
.
getLogger
(
__name__
)
class
SimpleRepl
(
BaseRepl
):
def
__init__
(
self
):
self
.
requested_events
=
[]
BaseRepl
.
__init__
(
self
)
def
_request_refresh
(
self
):
self
.
requested_events
.
append
(
bpythonevents
.
RefreshRequestEvent
())
def
_schedule_refresh
(
self
,
when
=
'now'
):
if
when
==
'now'
:
self
.
request_refresh
()
else
:
dt
=
round
(
when
-
time
.
time
(),
1
)
self
.
out
(
'please refresh in {} seconds'
.
format
(
dt
))
def
_request_reload
(
self
,
files_modified
=
(
'?'
,)):
e
=
bpythonevents
.
ReloadEvent
()
e
.
files_modified
=
files_modified
self
.
requested_events
.
append
(
e
)
self
.
out
(
'please hit enter to trigger a refresh'
)
def
request_undo
(
self
,
n
=
1
):
self
.
requested_events
.
append
(
bpythonevents
.
UndoEvent
(
n
=
n
))
def
out
(
self
,
msg
):
if
hasattr
(
self
,
'orig_stdout'
):
self
.
orig_stdout
.
write
((
msg
+
'
\n
'
).
encode
(
'utf8'
))
self
.
orig_stdout
.
flush
()
else
:
print
(
msg
)
def
on_suspend
(
self
):
pass
def
after_suspend
(
self
):
self
.
out
(
'please hit enter to trigger a refresh'
)
def
print_output
(
self
):
arr
,
cpos
=
self
.
paint
()
arr
[
cpos
[
0
]:
cpos
[
0
]
+
1
,
cpos
[
1
]:
cpos
[
1
]
+
1
]
=
[
'~'
]
def
print_padded
(
s
):
return
self
.
out
(
s
.
center
(
self
.
width
+
8
,
'X'
))
print_padded
(
''
)
print_padded
(
' enter -> "/", rewind -> "
\\
", '
)
print_padded
(
' reload -> "|", pastebin -> "$", '
)
print_padded
(
' "~" is the cursor '
)
print_padded
(
''
)
self
.
out
(
'X``'
+
(
'`'
*
(
self
.
width
+
2
))
+
'``X'
)
for
line
in
arr
:
self
.
out
(
'X```'
+
unicode
(
line
.
ljust
(
self
.
width
))
+
'```X'
)
logger
.
debug
(
'line:'
)
logger
.
debug
(
repr
(
line
))
self
.
out
(
'X``'
+
(
'`'
*
(
self
.
width
+
2
))
+
'``X'
)
self
.
out
(
'X'
*
(
self
.
width
+
8
))
return
max
(
len
(
arr
)
-
self
.
height
,
0
)
def
get_input
(
self
):
chars
=
list
(
self
.
orig_stdin
.
readline
()[:
-
1
])
while
chars
or
self
.
requested_events
:
if
self
.
requested_events
:
self
.
process_event
(
self
.
requested_events
.
pop
())
continue
c
=
chars
.
pop
(
0
)
if
c
in
'/'
:
c
=
'
\n
'
elif
c
in
'
\\
'
:
c
=
key_dispatch
[
self
.
config
.
undo_key
][
0
]
elif
c
in
'$'
:
c
=
key_dispatch
[
self
.
config
.
pastebin_key
][
0
]
elif
c
in
'|'
:
c
=
key_dispatch
[
self
.
config
.
reimport_key
][
0
]
self
.
process_event
(
c
)
def
main
(
args
=
None
,
locals_
=
None
,
banner
=
None
):
translations
.
init
()
while
importcompletion
.
find_coroutine
():
pass
with
SimpleRepl
()
as
r
:
r
.
width
=
50
r
.
height
=
10
while
True
:
r
.
print_output
()
r
.
get_input
()
if
__name__
==
'__main__'
:
main
()
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