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bpython/bpython/config.py at 76892cae3f3aea1258e7f38055fd55314d44ae14 · ata2001/bpython · GitHub
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# encoding: utf-8
from
__future__
import
unicode_literals
import
os
import
sys
import
locale
from
itertools
import
chain
from
six
import
iterkeys
,
iteritems
from
six
.
moves
.
configparser
import
ConfigParser
from
bpython
.
keys
import
cli_key_dispatch
as
key_dispatch
from
bpython
.
autocomplete
import
SIMPLE
as
default_completion
import
bpython
.
autocomplete
class
Struct
(
object
):
"""Simple class for instantiating objects we can add arbitrary attributes
to and use for various arbitrary things."""
def
getpreferredencoding
():
"""Get the user's preferred encoding."""
return
locale
.
getpreferredencoding
()
or
sys
.
getdefaultencoding
()
def
can_encode
(
c
):
try
:
c
.
encode
(
getpreferredencoding
())
return
True
except
UnicodeEncodeError
:
return
False
def
supports_box_chars
():
"""Check if the encoding suppors Unicode box characters."""
return
all
(
map
(
can_encode
,
u'│─└┘┌┐'
))
def
get_config_home
():
"""Returns the base directory for bpython's configuration files."""
xdg_config_home
=
os
.
environ
.
get
(
'XDG_CONFIG_HOME'
,
'~/.config'
)
return
os
.
path
.
join
(
xdg_config_home
,
'bpython'
)
def
default_config_path
():
"""Returns bpython's default configuration file path."""
return
os
.
path
.
join
(
get_config_home
(),
'config'
)
def
fill_config_with_default_values
(
config
,
default_values
):
for
section
in
iterkeys
(
default_values
):
if
not
config
.
has_section
(
section
):
config
.
add_section
(
section
)
for
(
opt
,
val
)
in
iteritems
(
default_values
[
section
]):
if
not
config
.
has_option
(
section
,
opt
):
config
.
set
(
section
,
opt
,
str
(
val
))
def
loadini
(
struct
,
configfile
):
"""Loads .ini configuration file and stores its values in struct"""
config_path
=
os
.
path
.
expanduser
(
configfile
)
config
=
ConfigParser
()
defaults
=
{
'general'
: {
'arg_spec'
:
True
,
'auto_display_list'
:
True
,
'autocomplete_mode'
:
default_completion
,
'color_scheme'
:
'default'
,
'complete_magic_methods'
:
True
,
'dedent_after'
:
1
,
'editor'
:
os
.
environ
.
get
(
'VISUAL'
,
os
.
environ
.
get
(
'EDITOR'
,
'vi'
)),
'flush_output'
:
True
,
'highlight_show_source'
:
True
,
'hist_duplicates'
:
True
,
'hist_file'
:
'~/.pythonhist'
,
'hist_length'
:
100
,
'paste_time'
:
0.02
,
'pastebin_confirm'
:
True
,
'pastebin_expiry'
:
'1week'
,
'pastebin_helper'
:
''
,
'pastebin_removal_url'
:
'https://bpaste.net/remove/$removal_id'
,
'pastebin_show_url'
:
'https://bpaste.net/show/$paste_id'
,
'pastebin_url'
:
'https://bpaste.net/json/new'
,
'save_append_py'
:
False
,
'single_undo_time'
:
1.0
,
'syntax'
:
True
,
'tab_length'
:
4
,
'unicode_box'
:
True
},
'keyboard'
: {
'backspace'
:
'C-h'
,
'beginning_of_line'
:
'C-a'
,
'clear_line'
:
'C-u'
,
'clear_screen'
:
'C-l'
,
'clear_word'
:
'C-w'
,
'copy_clipboard'
:
'F10'
,
'cut_to_buffer'
:
'C-k'
,
'delete'
:
'C-d'
,
'down_one_line'
:
'C-n'
,
'edit_config'
:
'F3'
,
'edit_current_block'
:
'C-x'
,
'end_of_line'
:
'C-e'
,
'exit'
:
''
,
'external_editor'
:
'F7'
,
'help'
:
'F1'
,
'incremental_search'
:
'M-s'
,
'last_output'
:
'F9'
,
'left'
:
'C-b'
,
'pastebin'
:
'F8'
,
'reimport'
:
'F6'
,
'reverse_incremental_search'
:
'M-r'
,
'right'
:
'C-f'
,
'save'
:
'C-s'
,
'search'
:
'C-o'
,
'show_source'
:
'F2'
,
'suspend'
:
'C-z'
,
'toggle_file_watch'
:
'F5'
,
'transpose_chars'
:
'C-t'
,
'undo'
:
'C-r'
,
'up_one_line'
:
'C-p'
,
'yank_from_buffer'
:
'C-y'
},
'cli'
: {
'suggestion_width'
:
0.8
,
'trim_prompts'
:
False
,
},
'curtsies'
: {
'list_above'
:
False
,
'right_arrow_completion'
:
True
,
}}
default_keys_to_commands
=
dict
((
value
,
key
)
for
(
key
,
value
)
in
iteritems
(
defaults
[
'keyboard'
]))
fill_config_with_default_values
(
config
,
defaults
)
if
not
config
.
read
(
config_path
):
# No config file. If the user has it in the old place then complain
if
os
.
path
.
isfile
(
os
.
path
.
expanduser
(
'~/.bpython.ini'
)):
sys
.
stderr
.
write
(
"Error: It seems that you have a config file at "
"~/.bpython.ini. Please move your config file to "
"%s
\n
"
%
default_config_path
())
sys
.
exit
(
1
)
def
get_key_no_doublebind
(
command
):
default_commands_to_keys
=
defaults
[
'keyboard'
]
requested_key
=
config
.
get
(
'keyboard'
,
command
)
try
:
default_command
=
default_keys_to_commands
[
requested_key
]
if
(
default_commands_to_keys
[
default_command
]
==
config
.
get
(
'keyboard'
,
default_command
)):
setattr
(
struct
,
'%s_key'
%
default_command
,
''
)
except
KeyError
:
pass
return
requested_key
struct
.
config_path
=
config_path
struct
.
dedent_after
=
config
.
getint
(
'general'
,
'dedent_after'
)
struct
.
tab_length
=
config
.
getint
(
'general'
,
'tab_length'
)
struct
.
auto_display_list
=
config
.
getboolean
(
'general'
,
'auto_display_list'
)
struct
.
syntax
=
config
.
getboolean
(
'general'
,
'syntax'
)
struct
.
arg_spec
=
config
.
getboolean
(
'general'
,
'arg_spec'
)
struct
.
paste_time
=
config
.
getfloat
(
'general'
,
'paste_time'
)
struct
.
single_undo_time
=
config
.
getfloat
(
'general'
,
'single_undo_time'
)
struct
.
highlight_show_source
=
config
.
getboolean
(
'general'
,
'highlight_show_source'
)
struct
.
hist_file
=
config
.
get
(
'general'
,
'hist_file'
)
struct
.
editor
=
config
.
get
(
'general'
,
'editor'
)
struct
.
hist_length
=
config
.
getint
(
'general'
,
'hist_length'
)
struct
.
hist_duplicates
=
config
.
getboolean
(
'general'
,
'hist_duplicates'
)
struct
.
flush_output
=
config
.
getboolean
(
'general'
,
'flush_output'
)
struct
.
pastebin_key
=
get_key_no_doublebind
(
'pastebin'
)
struct
.
copy_clipboard_key
=
get_key_no_doublebind
(
'copy_clipboard'
)
struct
.
save_key
=
get_key_no_doublebind
(
'save'
)
struct
.
search_key
=
get_key_no_doublebind
(
'search'
)
struct
.
show_source_key
=
get_key_no_doublebind
(
'show_source'
)
struct
.
suspend_key
=
get_key_no_doublebind
(
'suspend'
)
struct
.
toggle_file_watch_key
=
get_key_no_doublebind
(
'toggle_file_watch'
)
struct
.
undo_key
=
get_key_no_doublebind
(
'undo'
)
struct
.
reimport_key
=
get_key_no_doublebind
(
'reimport'
)
struct
.
reverse_incremental_search_key
=
get_key_no_doublebind
(
'reverse_incremental_search'
)
struct
.
incremental_search_key
=
get_key_no_doublebind
(
'incremental_search'
)
struct
.
up_one_line_key
=
get_key_no_doublebind
(
'up_one_line'
)
struct
.
down_one_line_key
=
get_key_no_doublebind
(
'down_one_line'
)
struct
.
cut_to_buffer_key
=
get_key_no_doublebind
(
'cut_to_buffer'
)
struct
.
yank_from_buffer_key
=
get_key_no_doublebind
(
'yank_from_buffer'
)
struct
.
clear_word_key
=
get_key_no_doublebind
(
'clear_word'
)
struct
.
backspace_key
=
get_key_no_doublebind
(
'backspace'
)
struct
.
clear_line_key
=
get_key_no_doublebind
(
'clear_line'
)
struct
.
clear_screen_key
=
get_key_no_doublebind
(
'clear_screen'
)
struct
.
delete_key
=
get_key_no_doublebind
(
'delete'
)
struct
.
left_key
=
get_key_no_doublebind
(
'left'
)
struct
.
right_key
=
get_key_no_doublebind
(
'right'
)
struct
.
end_of_line_key
=
get_key_no_doublebind
(
'end_of_line'
)
struct
.
beginning_of_line_key
=
get_key_no_doublebind
(
'beginning_of_line'
)
struct
.
transpose_chars_key
=
get_key_no_doublebind
(
'transpose_chars'
)
struct
.
clear_line_key
=
get_key_no_doublebind
(
'clear_line'
)
struct
.
clear_screen_key
=
get_key_no_doublebind
(
'clear_screen'
)
struct
.
exit_key
=
get_key_no_doublebind
(
'exit'
)
struct
.
last_output_key
=
get_key_no_doublebind
(
'last_output'
)
struct
.
edit_config_key
=
get_key_no_doublebind
(
'edit_config'
)
struct
.
edit_current_block_key
=
get_key_no_doublebind
(
'edit_current_block'
)
struct
.
external_editor_key
=
get_key_no_doublebind
(
'external_editor'
)
struct
.
help_key
=
get_key_no_doublebind
(
'help'
)
struct
.
pastebin_confirm
=
config
.
getboolean
(
'general'
,
'pastebin_confirm'
)
struct
.
pastebin_url
=
config
.
get
(
'general'
,
'pastebin_url'
)
struct
.
pastebin_show_url
=
config
.
get
(
'general'
,
'pastebin_show_url'
)
struct
.
pastebin_removal_url
=
config
.
get
(
'general'
,
'pastebin_removal_url'
)
struct
.
pastebin_expiry
=
config
.
get
(
'general'
,
'pastebin_expiry'
)
struct
.
pastebin_helper
=
config
.
get
(
'general'
,
'pastebin_helper'
)
struct
.
cli_suggestion_width
=
config
.
getfloat
(
'cli'
,
'suggestion_width'
)
struct
.
cli_trim_prompts
=
config
.
getboolean
(
'cli'
,
'trim_prompts'
)
struct
.
complete_magic_methods
=
config
.
getboolean
(
'general'
,
'complete_magic_methods'
)
struct
.
autocomplete_mode
=
config
.
get
(
'general'
,
'autocomplete_mode'
)
struct
.
save_append_py
=
config
.
getboolean
(
'general'
,
'save_append_py'
)
struct
.
curtsies_list_above
=
config
.
getboolean
(
'curtsies'
,
'list_above'
)
struct
.
curtsies_right_arrow_completion
=
\
config
.
getboolean
(
'curtsies'
,
'right_arrow_completion'
)
color_scheme_name
=
config
.
get
(
'general'
,
'color_scheme'
)
default_colors
=
{
'keyword'
:
'y'
,
'name'
:
'c'
,
'comment'
:
'b'
,
'string'
:
'm'
,
'error'
:
'r'
,
'number'
:
'G'
,
'operator'
:
'Y'
,
'punctuation'
:
'y'
,
'token'
:
'C'
,
'background'
:
'd'
,
'output'
:
'w'
,
'main'
:
'c'
,
'paren'
:
'R'
,
'prompt'
:
'c'
,
'prompt_more'
:
'g'
,
'right_arrow_suggestion'
:
'K'
,
}
if
color_scheme_name
==
'default'
:
struct
.
color_scheme
=
default_colors
else
:
struct
.
color_scheme
=
dict
()
theme_filename
=
color_scheme_name
+
'.theme'
path
=
os
.
path
.
expanduser
(
os
.
path
.
join
(
get_config_home
(),
theme_filename
))
try
:
load_theme
(
struct
,
path
,
struct
.
color_scheme
,
default_colors
)
except
EnvironmentError
:
sys
.
stderr
.
write
(
"Could not load theme '%s'.
\n
"
%
(
color_scheme_name
, ))
sys
.
exit
(
1
)
# checks for valid key configuration this part still sucks
for
key
in
(
struct
.
pastebin_key
,
struct
.
save_key
):
key_dispatch
[
key
]
# expand path of history file
struct
.
hist_file
=
os
.
path
.
expanduser
(
struct
.
hist_file
)
# verify completion mode
if
struct
.
autocomplete_mode
not
in
bpython
.
autocomplete
.
ALL_MODES
:
struct
.
autocomplete_mode
=
default_completion
# set box drawing characters
if
config
.
getboolean
(
'general'
,
'unicode_box'
)
and
supports_box_chars
():
struct
.
left_border
=
'│'
struct
.
right_border
=
'│'
struct
.
top_border
=
'─'
struct
.
bottom_border
=
'─'
struct
.
left_bottom_corner
=
'└'
struct
.
right_bottom_corner
=
'┘'
struct
.
left_top_corner
=
'┌'
struct
.
right_top_corner
=
'┐'
else
:
struct
.
left_border
=
'|'
struct
.
right_border
=
'|'
struct
.
top_border
=
'-'
struct
.
bottom_border
=
'-'
struct
.
left_bottom_corner
=
'+'
struct
.
right_bottom_corner
=
'+'
struct
.
left_top_corner
=
'+'
struct
.
right_top_corner
=
'+'
def
load_theme
(
struct
,
path
,
colors
,
default_colors
):
theme
=
ConfigParser
()
with
open
(
path
,
'r'
)
as
f
:
theme
.
readfp
(
f
)
for
k
,
v
in
chain
(
theme
.
items
(
'syntax'
),
theme
.
items
(
'interface'
)):
if
theme
.
has_option
(
'syntax'
,
k
):
colors
[
k
]
=
theme
.
get
(
'syntax'
,
k
)
else
:
colors
[
k
]
=
theme
.
get
(
'interface'
,
k
)
# Check against default theme to see if all values are defined
for
k
,
v
in
iteritems
(
default_colors
):
if
k
not
in
colors
:
colors
[
k
]
=
v
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