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Update to Kconfiglib version 12.4.0. This removes the need to use

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".configuration.old"
This commit is contained in:
Pierre Labastie 2019-06-15 17:25:10 +00:00
parent 619b313adb
commit cf2f109b89
4 changed files with 943 additions and 599 deletions
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4
Makefile
View file

@ -12,12 +12,12 @@ all: menuconfig
@$$(grep RUN_ME configuration 2>/dev/null | sed -e 's@RUN_ME=\"@@' -e 's@\"@@')
menuconfig:
@cp -a configuration .configuration.old 2>/dev/null || true
@cp -a configuration configuration.old 2>/dev/null || true
@CONFIG_="" KCONFIG_CONFIG=configuration $(CONFIG)/menuconfig.py $(CONFIG_CONFIG_IN)
# Clean up
clean:
rm -f configuration .configuration.old error
rm -f configuration configuration.old error
.PHONY: all menuconfig clean

2
jhalfs
View file

@ -131,7 +131,7 @@ esac
# If the user has not saved his configuration file, let's ask
# if he or she really wants to run this stuff
time_current=$(stat -c '%Y' configuration 2>/dev/null || date +%s)
time_old=$(stat -c '%Y' .configuration.old 2>/dev/null || printf '%s' "$time_current")
time_old=$(stat -c '%Y' configuration.old 2>/dev/null || printf '%s' "$time_current")
if [ "$(printf '%d' "$time_old")" -ge "$(printf '%d' "$time_current")" ] ; then
printf 'Do you want to run jhalfs? yes/no (yes): '
read -r ANSWER

1055
menu/kconfiglib.py
View file

File diff suppressed because it is too large Load diff

341
menu/menuconfig.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python3
#!/usr/bin/env python
# Copyright (c) 2018-2019, Nordic Semiconductor ASA and Ulf Magnusson
# SPDX-License-Identifier: ISC
@ -7,8 +7,8 @@
Overview
========
A curses-based menuconfig implementation. The interface should feel familiar to
people used to mconf ('make menuconfig').
A curses-based Python 2/3 menuconfig implementation. The interface should feel
familiar to people used to mconf ('make menuconfig').
Supports the same keys as mconf, and also supports a set of keybindings
inspired by Vi:
@ -20,14 +20,14 @@ inspired by Vi:
G/End : Jump to end of list
g/Home : Jump to beginning of list
[Space] toggles values if possible, and enters menus otherwise. [Enter] works
the other way around.
The mconf feature where pressing a key jumps to a menu entry with that
character in it in the current menu isn't supported. A jump-to feature for
jumping directly to any symbol (including invisible symbols), choice, menu or
comment (as in a Kconfig 'comment "Foo"') is available instead.
Space and Enter are "smart" and try to do what you'd expect for the given menu
entry.
A few different modes are available:
F: Toggle show-help mode, which shows the help text of the currently selected
@ -55,6 +55,9 @@ as a command-line argument. With no argument, it defaults to "Kconfig".
The KCONFIG_CONFIG environment variable specifies the .config file to load (if
it exists) and save. If KCONFIG_CONFIG is unset, ".config" is used.
When overwriting a configuration file, the old version is saved to
<filename>.old (e.g. .config.old).
$srctree is supported through Kconfiglib.
@ -96,7 +99,7 @@ The color definition is a comma separated list of attributes:
- fg:COLOR Set the foreground/background colors. COLOR can be one of
* or * the basic 16 colors (black, red, green, yellow, blue,
- bg:COLOR magenta,cyan, white and brighter versions, for example,
- bg:COLOR magenta, cyan, white and brighter versions, for example,
brightred). On terminals that support more than 8 colors,
you can also directly put in a color number, e.g. fg:123
(hexadecimal and octal constants are accepted as well).
@ -171,19 +174,15 @@ Other features
Limitations
===========
- Python 3 only
Doesn't work out of the box on Windows, but can be made to work with 'pip
install windows-curses'. See the
https://github.com/zephyrproject-rtos/windows-curses repository.
This is mostly due to Python 2 not having curses.get_wch(), which is needed
for Unicode support.
- Doesn't work out of the box on Windows
Can be made to work with 'pip install windows-curses' though. See the
https://github.com/zephyrproject-rtos/windows-curses repository.
'pip install kconfiglib' on Windows automatically installs windows-curses
to make the menuconfig usable.
'pip install kconfiglib' on Windows automatically installs windows-curses
to make the menuconfig usable.
"""
from __future__ import print_function
import curses
import errno
import locale
@ -193,7 +192,7 @@ import sys
import textwrap
from kconfiglib import Symbol, Choice, MENU, COMMENT, MenuNode, \
BOOL, TRISTATE, STRING, INT, HEX, UNKNOWN, \
BOOL, TRISTATE, STRING, INT, HEX, \
AND, OR, \
expr_str, expr_value, split_expr, \
standard_sc_expr_str, \
@ -628,7 +627,6 @@ def _style_attr(fg_color, bg_color, attribs, color_attribs={}):
#
# Used as the entry point in setup.py
def _main():
menuconfig(standard_kconfig())
@ -648,12 +646,12 @@ def menuconfig(kconf):
_kconf = kconf
# Load existing configuration and set _conf_changed True if it is outdated
_conf_changed = _load_config()
# Filename to save configuration to
_conf_filename = standard_config_filename()
# Load existing configuration and set _conf_changed True if it is outdated
_conf_changed = _load_config()
# Filename to save minimal configuration to
_minconf_filename = "defconfig"
@ -671,7 +669,7 @@ def menuconfig(kconf):
# Disable warnings. They get mangled in curses mode, and we deal with
# errors ourselves.
kconf.disable_warnings()
kconf.warn = False
# Make curses use the locale settings specified in the environment
locale.setlocale(locale.LC_ALL, "")
@ -708,7 +706,8 @@ def _load_config():
# Returns True if .config is missing or outdated. We always prompt for
# saving the configuration in that case.
if not _kconf.load_config():
print(_kconf.load_config())
if not os.path.exists(_conf_filename):
# No .config
return True
@ -728,7 +727,7 @@ def _needs_save():
if sym.config_string:
# Unwritten symbol
return True
elif sym.type in (BOOL, TRISTATE):
elif sym.orig_type in (BOOL, TRISTATE):
if sym.tri_value != sym.user_value:
# Written bool/tristate symbol, new value
return True
@ -769,7 +768,7 @@ def _needs_save():
# If True, the corresponding mode is on. See the module docstring.
#
# _conf_filename:
# .config file to save the configuration to
# File to save the configuration to
#
# _minconf_filename:
# File to save minimal configurations to
@ -801,7 +800,7 @@ def _menuconfig(stdscr):
curses.doupdate()
c = _get_wch_compat(_menu_win)
c = _getch_compat(_menu_win)
if c == curses.KEY_RESIZE:
_resize_main()
@ -828,26 +827,17 @@ def _menuconfig(stdscr):
elif c in (curses.KEY_HOME, "g"):
_select_first_menu_entry()
elif c in (curses.KEY_RIGHT, " ", "\n", "l", "L"):
# Do appropriate node action. Only Space is treated specially,
# preferring to toggle nodes rather than enter menus.
elif c == " ":
# Toggle the node if possible
sel_node = _shown[_sel_node_i]
if sel_node.is_menuconfig and not \
(c == " " and _prefer_toggle(sel_node.item)):
if not _change_node(sel_node):
_enter_menu(sel_node)
else:
elif c in (curses.KEY_RIGHT, "\n", "l", "L"):
# Enter the node if possible
sel_node = _shown[_sel_node_i]
if not _enter_menu(sel_node):
_change_node(sel_node)
if _is_y_mode_choice_sym(sel_node.item) and not sel_node.list:
# Immediately jump to the parent menu after making a choice
# selection, like 'make menuconfig' does, except if the
# menu node has children (which can happen if a symbol
# 'depends on' a choice symbol that immediately precedes
# it).
_leave_menu()
elif c in ("n", "N"):
_set_sel_node_tri_val(0)
@ -929,8 +919,10 @@ def _quit_dialog():
return None
if c == "y":
if _try_save(_kconf.write_config, _conf_filename, "configuration"):
return "Configuration saved to '{}'".format(_conf_filename)
# Returns a message to print
msg = _try_save(_kconf.write_config, _conf_filename, "configuration")
if msg:
return msg
elif c == "n":
return "Configuration ({}) was not saved".format(_conf_filename)
@ -961,10 +953,12 @@ def _init():
# Looking for this in addition to KEY_BACKSPACE (which is unreliable) makes
# backspace work with TERM=vt100. That makes it likely to work in sane
# environments.
#
# erasechar() returns a 'bytes' object. Since we use get_wch(), we need to
# decode it. Just give up and avoid crashing if it can't be decoded.
_ERASE_CHAR = curses.erasechar().decode("utf-8", "ignore")
_ERASE_CHAR = curses.erasechar()
if sys.version_info[0] >= 3:
# erasechar() returns a one-byte bytes object on Python 3. This sets
# _ERASE_CHAR to a blank string if it can't be decoded, which should be
# harmless.
_ERASE_CHAR = _ERASE_CHAR.decode("utf-8", "ignore")
_init_styles()
@ -1059,28 +1053,27 @@ def _width(win):
return win.getmaxyx()[1]
def _prefer_toggle(item):
# For nodes with menus, determines whether Space should change the value of
# the node's item or enter its menu. We toggle symbols (which have menus
# when they're defined with 'menuconfig') and choices that can be in more
# than one mode (e.g. optional choices). In other cases, we enter the menu.
return isinstance(item, Symbol) or \
(isinstance(item, Choice) and len(item.assignable) > 1)
def _enter_menu(menu):
# Makes 'menu' the currently displayed menu. "Menu" here includes choices
# and symbols defined with the 'menuconfig' keyword.
# Makes 'menu' the currently displayed menu. In addition to actual 'menu's,
# "menu" here includes choices and symbols defined with the 'menuconfig'
# keyword.
#
# Returns False if 'menu' can't be entered.
global _cur_menu
global _shown
global _sel_node_i
global _menu_scroll
if not menu.is_menuconfig:
# Not a menu
return False
shown_sub = _shown_nodes(menu)
# Never enter empty menus. We depend on having a current node.
if shown_sub:
if not shown_sub:
return False
# Remember where the current node appears on the screen, so we can try
# to get it to appear in the same place when we leave the menu
_parent_screen_rows.append(_sel_node_i - _menu_scroll)
@ -1093,6 +1086,8 @@ def _enter_menu(menu):
if isinstance(menu.item, Choice):
_select_selected_choice_sym()
return True
def _select_selected_choice_sym():
# Puts the cursor on the currently selected (y-valued) choice symbol, if
@ -1225,7 +1220,7 @@ def _select_prev_menu_entry():
_sel_node_i -= 1
# See _select_next_menu_entry()
if _sel_node_i <= _menu_scroll + _SCROLL_OFFSET:
if _sel_node_i < _menu_scroll + _SCROLL_OFFSET:
_menu_scroll = max(_menu_scroll - 1, 0)
@ -1418,7 +1413,7 @@ def _draw_main():
_path_win.erase()
# Draw the menu path ("(top menu) -> menu -> submenu -> ...")
# Draw the menu path ("(Top) -> Menu -> Submenu -> ...")
menu_prompts = []
@ -1430,7 +1425,7 @@ def _draw_main():
menu_prompts.append(menu.prompt[0] if menu.prompt else
standard_sc_expr_str(menu.item))
menu = menu.parent
menu_prompts.append("(top menu)")
menu_prompts.append("(Top)")
menu_prompts.reverse()
# Hack: We can't put ACS_RARROW directly in the string. Temporarily
@ -1471,10 +1466,6 @@ def _shown_nodes(menu):
res = []
while node:
# This code is minorly performance-sensitive. Make it too slow
# (e.g., by always recursing the entire tree), and going in and out
# of menus no longer feels instant.
if _visible(node) or _show_all:
res.append(node)
if node.list and not node.is_menuconfig:
@ -1483,14 +1474,11 @@ def _shown_nodes(menu):
# menus and choices as well as 'menuconfig' symbols.
res += rec(node.list)
elif node.list and isinstance(node.item, Symbol) and \
expr_value(node.dep):
elif node.list and isinstance(node.item, Symbol):
# Show invisible symbols if they have visible children. This
# can happen for an m/y-valued symbol with an optional prompt
# ('prompt "foo" is COND') that is currently disabled. The
# expr_value(node.dep) check safely prunes the search: A node
# with unsatisfied direct dependencies can never have visible
# children.
# ('prompt "foo" is COND') that is currently disabled. Note
# that it applies to both 'config' and 'menuconfig' symbols.
shown_children = rec(node.list)
if shown_children:
res.append(node)
@ -1553,36 +1541,32 @@ def _change_node(node):
# Changes the value of the menu node 'node' if it is a symbol. Bools and
# tristates are toggled, while other symbol types pop up a text entry
# dialog.
#
# Returns False if the value of 'node' can't be changed.
if not isinstance(node.item, (Symbol, Choice)):
return
# This will hit for invisible symbols, which appear in show-all mode and
# when an invisible symbol has visible children (which can happen e.g. for
# symbols with optional prompts)
if not (node.prompt and expr_value(node.prompt[1])):
return
if not _changeable(node):
return False
# sc = symbol/choice
sc = node.item
if sc.type in (INT, HEX, STRING):
if sc.orig_type in (INT, HEX, STRING):
s = sc.str_value
while True:
s = _input_dialog(
"{} ({})".format(node.prompt[0], TYPE_TO_STR[sc.type]),
"{} ({})".format(node.prompt[0], TYPE_TO_STR[sc.orig_type]),
s, _range_info(sc))
if s is None:
break
if sc.type in (INT, HEX):
if sc.orig_type in (INT, HEX):
s = s.strip()
# 'make menuconfig' does this too. Hex values not starting with
# '0x' are accepted when loading .config files though.
if sc.type == HEX and not s.startswith(("0x", "0X")):
if sc.orig_type == HEX and not s.startswith(("0x", "0X")):
s = "0x" + s
if _check_valid(sc, s):
@ -1594,13 +1578,42 @@ def _change_node(node):
# case: .assignable can be (2,) while .tri_value is 0.
_set_val(sc, sc.assignable[0])
elif sc.assignable:
else:
# Set the symbol to the value after the current value in
# sc.assignable, with wrapping
val_index = sc.assignable.index(sc.tri_value)
_set_val(sc, sc.assignable[(val_index + 1) % len(sc.assignable)])
if _is_y_mode_choice_sym(sc) and not node.list:
# Immediately jump to the parent menu after making a choice selection,
# like 'make menuconfig' does, except if the menu node has children
# (which can happen if a symbol 'depends on' a choice symbol that
# immediately precedes it).
_leave_menu()
return True
def _changeable(node):
# Returns True if the value if 'node' can be changed
sc = node.item
if not isinstance(sc, (Symbol, Choice)):
return False
# This will hit for invisible symbols, which appear in show-all mode and
# when an invisible symbol has visible children (which can happen e.g. for
# symbols with optional prompts)
if not (node.prompt and expr_value(node.prompt[1])):
return False
return sc.orig_type in (STRING, INT, HEX) or len(sc.assignable) > 1 \
or _is_y_mode_choice_sym(sc)
def _set_sel_node_tri_val(tri_val):
# Sets the value of the currently selected menu entry to 'tri_val', if that
# value can be assigned
@ -1702,7 +1715,7 @@ def _input_dialog(title, initial_text, info_text=None):
curses.doupdate()
c = _get_wch_compat(win)
c = _getch_compat(win)
if c == curses.KEY_RESIZE:
# Resize the main display too. The dialog floats above it.
@ -1846,29 +1859,33 @@ def _save_dialog(save_fn, default_filename, description):
filename = os.path.expanduser(filename)
if _try_save(save_fn, filename, description):
_msg("Success", "{} saved to {}".format(description, filename))
msg = _try_save(save_fn, filename, description)
if msg:
_msg("Success", msg)
return filename
def _try_save(save_fn, filename, description):
# Tries to save a configuration file. Pops up an error and returns False on
# failure.
# Tries to save a configuration file. Returns a message to print on
# success.
#
# save_fn:
# Function to call with 'filename' to save the file
#
# description:
# String describing the thing being saved
#
# Return value:
# A message to print on success, and None on failure
try:
save_fn(filename)
return True
# save_fn() returns a message to print
return save_fn(filename)
except OSError as e:
_error("Error saving {} to '{}'\n\n{} (errno: {})"
.format(description, e.filename, e.strerror,
errno.errorcode[e.errno]))
return False
return None
def _key_dialog(title, text, keys):
@ -1902,7 +1919,7 @@ def _key_dialog(title, text, keys):
curses.doupdate()
c = _get_wch_compat(win)
c = _getch_compat(win)
if c == curses.KEY_RESIZE:
# Resize the main display too. The dialog floats above it.
@ -2000,30 +2017,29 @@ def _jump_to_dialog():
_safe_curs_set(2)
# TODO: Code duplication with _select_{next,prev}_menu_entry(). Can this be
# factored out in some nice way?
# Logic duplication with _select_{next,prev}_menu_entry(), except we do a
# functional variant that returns the new (sel_node_i, scroll) values to
# avoid 'nonlocal'. TODO: Can this be factored out in some nice way?
def select_next_match():
nonlocal sel_node_i
nonlocal scroll
if sel_node_i == len(matches) - 1:
return sel_node_i, scroll
if sel_node_i < len(matches) - 1:
sel_node_i += 1
if sel_node_i >= scroll + _height(matches_win) - _SCROLL_OFFSET \
if sel_node_i + 1 >= scroll + _height(matches_win) - _SCROLL_OFFSET \
and scroll < _max_scroll(matches, matches_win):
scroll += 1
return sel_node_i + 1, scroll + 1
return sel_node_i + 1, scroll
def select_prev_match():
nonlocal sel_node_i
nonlocal scroll
if sel_node_i == 0:
return sel_node_i, scroll
if sel_node_i > 0:
sel_node_i -= 1
if sel_node_i - 1 < scroll + _SCROLL_OFFSET:
return sel_node_i - 1, max(scroll - 1, 0)
if sel_node_i <= scroll + _SCROLL_OFFSET:
scroll = max(scroll - 1, 0)
return sel_node_i - 1, scroll
while True:
if s != prev_s:
@ -2099,7 +2115,7 @@ def _jump_to_dialog():
curses.doupdate()
c = _get_wch_compat(edit_box)
c = _getch_compat(edit_box)
if c == "\n":
if matches:
@ -2130,21 +2146,21 @@ def _jump_to_dialog():
sel_node_i, scroll)
elif c == curses.KEY_DOWN:
select_next_match()
sel_node_i, scroll = select_next_match()
elif c == curses.KEY_UP:
select_prev_match()
sel_node_i, scroll = select_prev_match()
elif c in (curses.KEY_NPAGE, "\x04"): # Page Down/Ctrl-D
# Keep it simple. This way we get sane behavior for small windows,
# etc., for free.
for _ in range(_PG_JUMP):
select_next_match()
sel_node_i, scroll = select_next_match()
# Page Up (no Ctrl-U, as it's already used by the edit box)
elif c == curses.KEY_PPAGE:
for _ in range(_PG_JUMP):
select_prev_match()
sel_node_i, scroll = select_prev_match()
elif c == curses.KEY_END:
sel_node_i = len(matches) - 1
@ -2364,7 +2380,7 @@ def _info_dialog(node, from_jump_to_dialog):
curses.doupdate()
c = _get_wch_compat(text_win)
c = _getch_compat(text_win)
if c == curses.KEY_RESIZE:
_resize_info_dialog(top_line_win, text_win, bot_sep_win, help_win)
@ -2600,8 +2616,7 @@ def _help_info(sc):
for node in sc.nodes:
if node.help is not None:
s += "Help:\n\n{}\n\n" \
.format(textwrap.indent(node.help, " "))
s += "Help:\n\n{}\n\n".format(_indent(node.help, 2))
return s
@ -2670,7 +2685,7 @@ def _split_expr_info(expr, indent):
s = ""
for i, term in enumerate(split_expr(expr, split_op)):
s += "{}{} {}".format(" "*indent,
s += "{}{} {}".format(indent*" ",
" " if i == 0 else op_str,
_expr_str(term))
@ -2689,33 +2704,33 @@ def _select_imply_info(sym):
# 'sym'. The selecting/implying symbols are grouped according to which
# value they select/imply 'sym' to (n/m/y).
s = ""
def add_sis(expr, val, title):
nonlocal s
def sis(expr, val, title):
# sis = selects/implies
sis = [si for si in split_expr(expr, OR) if expr_value(si) == val]
if sis:
s += title
if not sis:
return ""
res = title
for si in sis:
s += " - {}\n".format(split_expr(si, AND)[0].name)
s += "\n"
res += " - {}\n".format(split_expr(si, AND)[0].name)
return res + "\n"
s = ""
if sym.rev_dep is not _kconf.n:
add_sis(sym.rev_dep, 2,
s += sis(sym.rev_dep, 2,
"Symbols currently y-selecting this symbol:\n")
add_sis(sym.rev_dep, 1,
s += sis(sym.rev_dep, 1,
"Symbols currently m-selecting this symbol:\n")
add_sis(sym.rev_dep, 0,
s += sis(sym.rev_dep, 0,
"Symbols currently n-selecting this symbol (no effect):\n")
if sym.weak_rev_dep is not _kconf.n:
add_sis(sym.weak_rev_dep, 2,
s += sis(sym.weak_rev_dep, 2,
"Symbols currently y-implying this symbol:\n")
add_sis(sym.weak_rev_dep, 1,
s += sis(sym.weak_rev_dep, 1,
"Symbols currently m-implying this symbol:\n")
add_sis(sym.weak_rev_dep, 0,
s += sis(sym.weak_rev_dep, 0,
"Symbols currently n-implying this symbol (no effect):\n")
return s
@ -2727,7 +2742,7 @@ def _kconfig_def_info(item):
nodes = [item] if isinstance(item, MenuNode) else item.nodes
s = "Kconfig definition{}, with propagated dependencies\n" \
s = "Kconfig definition{}, with parent deps. propagated to 'depends on'\n" \
.format("s" if len(nodes) > 1 else "")
s += (len(s) - 1)*"="
@ -2740,7 +2755,7 @@ def _kconfig_def_info(item):
.format(node.filename, node.linenr,
_include_path_info(node),
_menu_path_info(node),
textwrap.indent(node.custom_str(_name_and_val_str), " "))
_indent(node.custom_str(_name_and_val_str), 2))
return s
@ -2769,7 +2784,14 @@ def _menu_path_info(node):
path = " -> " + (node.prompt[0] if node.prompt else
standard_sc_expr_str(node.item)) + path
return "(top menu)" + path
return "(Top)" + path
def _indent(s, n):
# Returns 's' with each line indented 'n' spaces. textwrap.indent() is not
# available in Python 2 (it's 3.3+).
return "\n".join(n*" " + line for line in s.split("\n"))
def _name_and_val_str(sc):
@ -2952,8 +2974,7 @@ def _node_str(node):
# Print "(NEW)" next to symbols without a user value (from e.g. a
# .config), but skip it for choice symbols in choices in y mode,
# and for symbols of UNKNOWN type (which generate a warning though)
if sym.user_value is None and \
sym.type != UNKNOWN and \
if sym.user_value is None and sym.orig_type and \
not (sym.choice and sym.choice.tri_value == 2):
s += " (NEW)"
@ -3005,10 +3026,10 @@ def _value_str(node):
return ""
# Wouldn't normally happen, and generates a warning
if item.type == UNKNOWN:
if not item.orig_type:
return ""
if item.type in (STRING, INT, HEX):
if item.orig_type in (STRING, INT, HEX):
return "({})".format(item.str_value)
# BOOL or TRISTATE
@ -3042,28 +3063,26 @@ def _check_valid(sym, s):
# Returns True if the string 's' is a well-formed value for 'sym'.
# Otherwise, displays an error and returns False.
if sym.type not in (INT, HEX):
if sym.orig_type not in (INT, HEX):
# Anything goes for non-int/hex symbols
return True
base = 10 if sym.type == INT else 16
base = 10 if sym.orig_type == INT else 16
try:
int(s, base)
except ValueError:
_error("'{}' is a malformed {} value"
.format(s, TYPE_TO_STR[sym.type]))
.format(s, TYPE_TO_STR[sym.orig_type]))
return False
for low_sym, high_sym, cond in sym.ranges:
if expr_value(cond):
low = int(low_sym.str_value, base)
val = int(s, base)
high = int(high_sym.str_value, base)
low_s = low_sym.str_value
high_s = high_sym.str_value
if not low <= val <= high:
if not int(low_s, base) <= int(s, base) <= int(high_s, base):
_error("{} is outside the range {}-{}"
.format(s, low_sym.str_value, high_sym.str_value))
.format(s, low_s, high_s))
return False
break
@ -3075,7 +3094,7 @@ def _range_info(sym):
# Returns a string with information about the valid range for the symbol
# 'sym', or None if 'sym' doesn't have a range
if sym.type in (INT, HEX):
if sym.orig_type in (INT, HEX):
for low, high, cond in sym.ranges:
if expr_value(cond):
return "Range: {}-{}".format(low.str_value, high.str_value)
@ -3102,7 +3121,17 @@ def _is_num(name):
return True
def _get_wch_compat(win):
def _getch_compat(win):
# Uses get_wch() if available (Python 3.3+) and getch() otherwise. Also
# handles a PDCurses resizing quirk.
if hasattr(win, "get_wch"):
c = win.get_wch()
else:
c = win.getch()
if 0 <= c <= 255:
c = chr(c)
# Decent resizing behavior on PDCurses requires calling resize_term(0, 0)
# after receiving KEY_RESIZE, while ncurses (usually) handles terminal
# resizing automatically in get(_w)ch() (see the end of the
@ -3111,8 +3140,6 @@ def _get_wch_compat(win):
# resize_term(0, 0) reliably fails and does nothing on ncurses, so this
# hack gives ncurses/PDCurses compatibility for resizing. I don't know
# whether it would cause trouble for other implementations.
c = win.get_wch()
if c == curses.KEY_RESIZE:
try:
curses.resize_term(0, 0)