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Adds support for user-defined preprocessor functions in Python, which
can be used to get information from existing Python tools into Kconfig,
e.g. to have Kconfig symbols depend on hardware information stored in
some other format.
See commit b6827ca ("Add support for user-defined Python preprocessor
functions").
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Adds commit b9b2ebb ("menuconfig: Add RGB color support to styles."),
which makes it possible to specify colors in MENUCONFIG_STYLE
using #RRGGBB notation.
The rendered colors may be more or less exact depending on terminal
capabilities. In the best case, we can redefine colors. Otherwise, we
fall back on the closest available color.
Contributed by Mitja Horvat (punkfluid).
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Adds commit af6c8dc ("menuconfig: Fix some glitching on small
terminals"), which fixes some minor graphical glitching in the
menuconfig interface when the terminal is too small for things to fit.
Commit 374f488 ("Clean up kernel Makefile patch and add new targets")
adds some new targets to the Linux makefile patch as well, though the
makefile patch isn't bundled on PyPI.
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New features:
- Commit ac8d152 ("menuconfig: Add support for custom color schemes
(aka styles)"), contributed by Mitja Horvat (pinkfluid), adds support
for configuring the style (colors and attributes) of menuconfig
interface elements by setting a new MENUCONFIG_STYLE environment
variable.
The format of MENUCONFIG_STYLE is documented in the menuconfig.py
module docstring. This format is now used internally as well to
define the predefined styles.
- Commit a092257 ("Allow macro expansion within symbol names") adds
support for expanding macros within symbol names. This could be used
e.g. to define template Kconfig files that get instantiated by
setting preprocessor variables before including them.
Other changes:
- Commit 6683213 ("Allow user values on 'option env' symbols") makes it
possible to give 'option env' symbols user values. There's no good
reason to disallow it (it's a leftover from an older way of
implementing them), and it simplifies the code a bit.
Note that 'option env' symbols are only supported for backwards
compatibility at this point. Environment variables can be expanded
directly.
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Adds a small menuconfig tweak that could avoid some user confusion:
Commit 66a2bf5 ("menuconfig: Do not use red for invisible symbols
outside of show-all mode")
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New features:
- Commit 84bd863 ("menuconfig: Add a more 'make menuconfig'-like color
scheme") adds an alternative menuconfig color scheme contributed by
contributed by Mitja Horvat (pinkfluid).
The new color scheme can be enabled by setting the environment
variable MENUCONFIG_THEME to 'aquatic'.
The default color scheme now also uses bold text for the selected
entry, like the 'aquatic' theme.
Fixes:
- Commit d1e2a65 ("menuconfig: Always show implicit submenus with
visible nodes") fixes a display issue involving prompt-only
conditions where visible child nodes could disappear outside of
show-all mode.
Other changes:
- Commit 0ed2ba0 ("Improve the running-without-Makefile-patch
documentation") updates the documentation on how to run Kconfiglib on
the Linux kernel without using the Makefile patch.
- Misc. internal menuconfig refactoring.
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New features:
- Commit 20de53b ("Add a Kconfig.kconfig_filenames attribute") and
commit 932d0f7 ("Add a Kconfig.env_vars attribute that lists env.
variables") make lists of all Kconfig files and referenced
environment variables available.
This could be used e.g. to implement alternative incremental build
schemes. Note that the sync_deps() mechanism already indirectly
catches any relevant changes to files and environment variables
though (anything that changes the configuration output).
- Commit 17d7c1e ("menuconfig: Show all symbols at each menu location
for multi.def. choices") makes it so that if a named choice is
defined in multiple locations, each of which adds options, you can
select any of the options regardless of via menu entry you enter the
choice.
Previously, you could only select the options defined at that menu
entry's location.
Named choices with symbols in more than one location are completely
broken in the C tools, so there's no reference for the behavior
there. This seems less confusing at least.
Suggested by Mitja Horvat (pinkfluid).
Fixes:
- Commit 0b46af4 ("menuconfig: Don't return when selecting a choice
symbol with children") improves menuconfig behavior in an extremely
obscure case.
- Commit 1c2c4ae ("oldconfig: Fix help display command for choices")
makes '?' print the help for choices in oldconfig. The command was
accidentally set to '??' there.
- Commit ddfd5df ("Improve menu structure for promptless choices")
fixes a menuconfig display issue for promptless choices (which
can appear "legitimately" if a named choice is defined in multiple
locations to add extra options).
Cleanup:
- Commit 2320b7a ("oldconfig: Use Kconfig.node_iter() and clean up")
- Some manual tree walking in other places has also been rewritten to
use Kconfig.node_iter().
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Some general cleanup:
- Handle the iteration with the new Kconfig.node_iter() helper.
This makes some function so short that they become pointless. Have
just main() + oldconfig(node) + small helper functions.
- Use _name_and_loc_str(sc) for choices too, so that all locations get
reported for named choices defined in multiple locations
- Rewrite the intro to be less wordy and remove the sample session
(leftover from when oldconfig.py was in examples/, and not that
exciting)
- Print "Updated configuration written to..." instead of
"Configuration saved to..."
- Various other nits
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Fixes broken-looking menuconfig include path information for items in
the top-level Kconfig file, via commit 64600b3 ("menuconfig: Hide the
include path for top-level items").
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Adds commit 13884e9 ("Show include paths in menuconfig symbol
information"), which adds a MenuNode.include_path attribute to
Kconfiglib.
MenuNode.include_path holds the Kconfig include path of the menu node,
which shows how its Kconfig file got 'source'd, starting from the
top-level Kconfig file.
MenuNode.include_path is used to show include paths in the menuconfig
symbol information. It will also be used in genrest.py in Zephyr, which
generates an RST Kconfig reference.
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Includes two small bug fixes:
- Commit 9b77511 ("Fix file descriptor leak for the top-level Kconfig
file")
- Commit d158fed ("Fix recursive 'source' error reporting")
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New features:
- Commit 7dae988 ("Add a generic node iterator") adds a
Kconfig.node_iter() helper generator for iterating through all menu
nodes in the menu tree, in definition order. Optionally, symbols
defined in multiple locations are only generated once. This generator
is now used internally by write_config() as well.
Suggested by Mitja Horvat (pinkfluid).
- Commit d2c1430 ("Introduce Kconfig.unique_defined_syms and
Kconfig.unique_choices") adds versions of
Kconfig.defined_syms/choices that only include symbols and choices
defined in multiple locations once, while still preserving definition
order.
This is almost always what you want when iterating through (just)
symbols and choices. It removes set() hackery (where it's easy to
accidentally mess up the order) and the like.
Fixes:
- Commit 4ebc2aa ("Flag extra tokens after 'if'/'depends on'/'visible
if' expressions") tightens up syntax checking so that extra trailing
tokens after 'if', 'depends on', and 'visible if' expressions raise a
syntax error, instead of being silently ignored. Oversight.
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Adds commit 7f3844f ("Make symbol order match between headers and
.config files"), which fixes a bug introduced by commit 71872a8
("Massively speed up U-Boot parsing").
The ordering of symbols in header files now matches the order in .config
files again, which was always the intent. It makes things more readable,
and is nice for version control too.
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Adds commit 8a3999b ("Fix $srctree logic for the top-level Kconfig
file"), which fixes an old braino: The top-level Kconfig file passed to
Kconfig.__init__() wasn't looked up relative to $srctree, breaking
out-of-tree operation for scripts unless ugly manual $srctree hacks were
added.
All Kconfig files are now consistently looked up relative to $srctree.
This is a backwards-incompatible change (though with a simple fix), so
the major version is bumped. A note is printed on errors that might be
due to the changed behavior.
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This just reverts commit 8a3999f ("Fix $srctree logic for the top-level
Kconfig file"), so that it can go in a major release instead.
I realized it has enough breakage potential for existing scripts to
warrant a major version bump.
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- Commit 8a3999b ("Fix $srctree logic for the top-level Kconfig file")
fixes a major braino where the top-level Kconfig file passed to
Kconfig.__init__() wasn't looked up relative to $srctree, breaking
out-of-tree operation for e.g. menuconfig.
All Kconfig files are now consistently looked up relative to
$srctree.
- Misc. internal code cleanup
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Kconfiglib changes:
- Commit 1f864b1 ("Support custom printing of symbols/choices in
expressions") adds support for printing symbols and choices with a
custom format in expressions.
This makes it simpler to implement things like like turning all
symbols/choices into links when generating documentation, and
printing symbol values after symbols.
- Commit 6aea8d0 ("Don't pass encoding= to Popen()") fixes an
accidental Python 3.6+ requirement when using the $(shell)
preprocessor function with Python 3.
menuconfig changes:
- Commit 8efc358 ("menuconfig: Omit tristate value hint for
int/string/hex defaults") removes the boolean value hints to the
right of defaults in the symbol information for string/int/hex
symbols. Stuff like '- 74 (value: "n")' isn't helpful, and looks
confusing.
- Commit 3511f24 ("menuconfig: Make symbol information less spammy")
makes the symbol information more compact in general, e.g. by
skipping value hints where they aren't helpful ('FOO(=y)' instead of
'FOO(=y) (=y)'), and by shortening stuff like '(value: "y")' to just
'(=y)'.
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- b650ccd ("Use universal newlines mode in $(shell) implementation")
improves the behavior of $(shell) on Windows. A trailing \r\n-style
newline sequence is now stripped in full, instead of leaving \r in
there.
- 6899f91 ("Restore compatibility with old kernels") restores some
compatibility with old kernels originally dropped by c19fc11 ("Drop
some compatibility and tighten up lexing").
It turns out that people are still running Kconfiglib on kernels from
at least 2013 (see https://github.com/ulfalizer/Kconfiglib/pull/48).
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Just adds commit 5452ad3 ("Fix detection of hex literals"). Braino.
Include some int and hex literals in the Kstrict testcase too.
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Adds support for automatically warning for references to undefined
Kconfig symbols. See commit ca89d02 ("Add KCONFIG_STRICT flag for
flagging refs. to undefined syms").
(There was an outdated docstring in that comment. KCONFIG_STRICT needs
to be set to "y".)
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Adds e08b695 ("Add def_int, def_hex, and def_string keywords"), getting
rid of some Kconfig inconsistency.
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https://github.com/clearlinux-pkgs/python-kconfiglib adds a patch for
this.
It avoids issues on systems that use the C locale, which implies ASCII
encoding and raises UnicodeDecodeError when reading README.rst.
Piggyback adding 'menuconfig' as another keyword.
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This release revamps the globbing design to make 'source' globbing,
requiring at least at least one matching file. A new o(r)source
statement can be used when it's okay for a pattern to not match any
files.
Relevant commit, with motivations: 7a428aa ("Switch to more sensible
globbing statements (w/ backwards compatibility)").
Backwards compatibility is maintained by having g(r)source be an alias
for o(r)source.
A small API change was introduced too: Kconfig.srctree is now set to the
empty string instead of None when $srctree is unset. This gives nice
behavior for e.g. os.path.join().
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This release adds commit ac692af ("Fix absolute $srctree prefixes
showing up on gsource'd files"), which fixes a bug that could cause
$srctree to be included in some paths for e.g. generated documentation.
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This release improves performance for projects that make heavy use of
multiple definition locations for symbols, via commit 747e455
("Massively speed up U-Boot parsing").
Two new warnings are included as well:
- 652d991 ("Warn if int/hex/string symbols are evaluated logically")
- 21b5351 ("Warn if int/hex 'default' is outside active 'range'")
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New features:
- 2433deb ("Add Kconfig preprocessor") implements a new Kconfig
preprocessor, documented in
https://github.com/torvalds/linux/blob/master/Documentation/kbuild/kconfig-macro-language.txt.
It is required to parse the linux-next Kconfigs now, and will appear
in Linux 4.18.
'option env=...' symbols and the $FOO syntax for expanding
environment variables will be supported for backwards compatibility
for a while. Consider switching to $(FOO) though, which is the new
syntax (and removing 'option env=...' symbols).
Changed behavior:
- c19fc11 ("Drop some compatibility and tighten up lexing") makes
Kconfiglib flag invalid characters in Kconfig files as a syntax
error in all context. They were previously ignored in some places
for compatibility with old sloppy versions of the C tools.
The C tools fixed it with commit c2264564 ("kconfig: warn of
unhandled characters in Kconfig commands") in July 2015. Older
kernels might require fixing up the Kconfig files a bit now.
New warnings:
- 4200e25 ("Generalize select-with-unsatisfied-deps warning") makes
the select-with-unsatisfied-dependencies warning trigger when a
symbol with m-valued direct dependencies is y-selected.
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New features:
- db92bb7 ("Add dependency loop detection") adds long-overdue
dependency loop detection.
Previously, dependency loops would trigger hard-to-debug Python
RecursionError exceptions during evaluation. They now generate a
KconfigError instead, with a helpful message that shows the items in
the loop.
Backwards-incompatible changes (major version bumped to 7):
- eb6c21a ("Turn MenuNode/Symbol/Choice.referenced() into a
@property") fixes some inconsistency in the recently-added
referenced-symbols APIs. Oversight.
Other changes:
- f6eb4f4 ("Add Symbol/Choice.referenced() convenience methods")
makes it easier to get all the symbols/choices referenced by a
symbol or choice. Previously, you'd have to loop through all the
menu nodes (definition locations) yourself, which might not be
obvious.
- ca89ca0 ("Rename KconfigSyntaxError to KconfigError") changes to
a better exception name, as KconfigSyntaxError was raised for some
things that aren't syntax errors.
The old name is kept as an alias for now for backwards
compatibility.
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Just adds commit dc0b022 ("Correctly report choice locations in some
warnings").
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Fixes:
- c880151 ("Fix incorrectly ordered properties for some nested
multi.def. symbols") fixes a bug that could cause symbols/choices
defined in multiple locations and nested in particular ways within
if's and menus to get their properties in the wrong order.
The Linux kernel wasn't affected (which is how it managed to slip
through), but projects that make heavy use of symbols defined in
multiple locations might have been. Comprehensive selftests have
been added to cover property ordering on nested multi.def.
symbols/choices.
New features:
- 4af3e0c ("menuconfig: Support starting a search from the info
dialog") and 330017a ("menuconfig: Support viewing symbol info from
within the jump-to dialog") makes working with the menuconfig a bit
smoother to work with.
- 68043b2 ("Add MenuNode function that returns referenced items")
makes it easier to find out what symbols/choices a symbol, choice,
menu, or comment references, which is handy e.g. for searching.
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Just to fix the rendering of the README on PyPI with commit b727f4d
("Fix link to allyesconfig.py in README").
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Changed behavior (giving the major version bump):
- cbf32e2 ("Expand environment variables in strings directly") makes
'option env' "bounce" symbols redundant, though they are still
supported for backwards compatibility (with the caveat that they
must have the same name as the environment variables they
reference to preserve behavior).
A warning is printed if 'option env="FOO"' appears on a symbol
that's not named FOO.
This change will likely appear in the C tools soon as well.
Other new features:
- The menuconfig implementation is now bundled in the PyPI package,
along with implementations of the Kconfig oldconfig and
all{def,no,yes,mod}config tools.
A genconfig script is provided for generating a C header from the
configuration, as well as (optionally) the sync_deps() directory
structure for implementing incremental builds.
- 63a4418 ("Record which MenuNode has each property") makes it
possible to generate documentation for symbols defined in multiple
locations with each property shown on the right definition. See
genrest.py in Zephyr.
This change also cleans up the parsing code a bit. Dependency
propagation is now done after parsing, in _finalize_tree().
- 94020be ("Make Kconfig._choices public") and fc73c46 ("Provide lists
with all menus and comments") gives easier access to Kconfig items
of a specific type, without having to walk the menu tree. This turns
out to be handy e.g. when generating documentation and implementing
search.
Improvements and new warnings:
- da40c01 ("Force encoding to UTF-8 by default on Python 3")
- 7427079 ("Get rid of the predefined UNAME_RELEASE symbol")
- f64591c ("Warn if prompt contains leading or trailing whitespace")
- c14e411 ("Warn if quotes are omitted around string defaults")
Misc. minor refactoring and cleanup has been done as well.
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There should be a script available that generates the output header for
the build. It usually makes sense to generate both the header and any
incremental build information at the same time (automatically during
build), so roll them both into the same script.
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These currently include menuconfig, oldconfig, syncconfig, alldefconfig,
and all{no,mod,yes}config, which probably cover what 90% of people will
need to use. More scripts could be added later.
Use the entry_points mechanism
(http://setuptools.readthedocs.io/en/latest/setuptools.html#automatic-script-creation),
which gives something that works out-of-the-box on Windows. It also
removes the .py suffix for the installed scripts.
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New features:
- ed3ceaa ("Make warnings available in a list")
API changes:
- 8983f7e ("Make disable_warnings() disable all warnings")
This is a minor API behavior change, so the major version is bumped.
It's unlikely to break anything people were depending on.
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4.2.1 should have been 4.3.0. That was not a bugfix release. Braino.
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New features:
- 105c835 ("Add helper for splitting expressions")
- 509e374 ("Add Choice.direct_dep field")
A terminal menuconfig implementation has been added which relies on
these features.
Other improvements:
- c1c5ef2 ("Print a warning for malformed .config lines")
- 09b8c58 ("Give filename and context for UnicodeDecodeError")
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New features and improvements:
- 7245bad ("Parenthesize && expressions within || expressions")
makes expressions more readable.
- 2259d35 ("Generalize is_menuconfig to non-symbol items")
can simplify menuconfig implementations.
- c7ac6f8 ("Add parent deps to the right in _T_IF") makes parent
dependencies consistently appear on the right in expressions, with
the outermost parent dependency the furthest to the right.
New warnings:
- 7ba79ca ("Warn if user (.config) value is outside of 'range'")
- 225ec4b ("Warn if a choice symbol is selected or implied")
Some obscure false positive warnings for named choices were fixed too.
This came up in
https://github.com/zephyrproject-rtos/zephyr/issues/6948.
- e8408a0 ("Move sanity checking to after _finalize_tree()")
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Only adds daac69d ("Add a globbing source statement").
'gource' doubles as an include-if-exists function.
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Includes a small API behavior change, hence the major version bump:
- db63301 ("Return "" for unwritten symbols in Symbol.config_string")
New features:
- Support for incremental builds using the same scheme as the
include/config/ directory in the C tools. See the new
Kconfig.sync_deps() function and commit 378dedc ("Add support for
incremental builds").
- Minimal configuration (defconfig) writing, generating identical files
to the C implementation. See commit 652f11b ("Add minimal
configuration file generation support").
The C 'make savedefconfig' implementation is currently broken in
obscure cases involving tristate choices (due to broken invalidation
code), so the tests are disabled for now. I have a patch for the C
implementation that I will submit.
Fixes:
- user_value wasn't set for choice symbols set to y via load_config()
with replace=True. Fixed by commit 0bd841d ("Properly remember y user
values for choice symbols"). Didn't affect correctness, only the API.
Other changes:
- 778ec47 ("Only write '# CONFIG_FOO is not set' for visible symbols")
mirrors a change I made to the C tools.
- bbe3ae9 ("Do not write the defconfig_list symbol to .config") mirrors
another change made to the C tools.
- Misc. refactoring and cleanup.
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Adds a Kconfig extension contributed by RomaVis: aea0232 ("Implement
'rsource' statement ('source' with relative path)").
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Only includes 2a88c0c ("Include direct deps. in
Symbol/Choice.__str__()").
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- Only includes e8b4ecb ("Don't special-case user_value for choice
symbols set to y").
Since that's a tiny change to the behavior of the API, the major version
is bumped.
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Just adds f66cd71 ("Allow "n"/"m"/"y" as aliases for 0/1/2 in
set_value()").
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This release tightens up syntax checking and adds all the warnings
generated by the C implementation (plus a few extra ones), making
Kconfiglib more viable as a replacement for the C tools, rather than
just being an auxiliary library.
Syntax checking changes:
- a84848b ("Tighten up syntax checking")
- 8716316 ("Generate a parse error for extra tokens at EOL")
- 416083a ("Flag constant symbols where they're not allowed")
Warning changes:
- 9c309400 ("Add some post-parsing warnings")
- da0bfa3a ("Error out for malformed hex/int/string defaults")
- 5d2041a9 ("Add more choice type and prompt sanity checks")
- 67f825fc ("Warn if there's more than one help text")
- 990c780f ("Add some warnings related to selects and implies")
- 7432ade8 ("Warn if a symbol is defined with multiple types")
- 5eeea863 ("Improve int/hex sanity checking")
- ad94bb45 ("Sanity-check range values")
- e930c140 ("Warn if a symbol/choice has multiple prompts")
- 60d12911 ("Warn if help text is empty")
- d43d2e83 ("Warn if menuconfig statement has no prompt")
- 3db12f72 ("Warn if a choice symbol has defaults")
- 0eadd61c ("Warn if choice symbol has prompt outside choice")
Also includes various code nits.
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Shows up as a nice sidebar on PyPI.
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Can test the python_requires now too.
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- 955ea4 ("Support <, > relational operators with tristates") adds a
small recent feature from upstream. Haven't even seen any relational
operators besides = and != being used yet I think.
- 8d7235 ("Tighten up regexes") cleans up and optimizes the regexes
used during parsing and .config reading a bit.
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Just has b82ea0a ("Enable universal newlines mode for Python 2").
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Just adds a new warning: 0087b40 ("Warn if a symbol with unsatisfied
deps is selected")
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Small docstring improvements:
- 1c37079 ("Add more detail to the write_config() docstring")
- 121d4a7 ("Add more detail to the write_autoconf() docstring")
- 27fbded ("Fix outdated comments referencing user_str/tri_value")
- e01cb49 ("Mention user_value in the load_config() docstring")
- ed32010 ("Add some more detail to the module docstring")
Code nit:
- 532b561 ("Simplify escape()")
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