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GNU AFFERO GENERAL PUBLIC LICENSE
|
||||
Version 3, 19 November 2007
|
||||
|
||||
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The GNU Affero General Public License is a free, copyleft license for
|
||||
software and other kinds of works, specifically designed to ensure
|
||||
cooperation with the community in the case of network server software.
|
||||
|
||||
The licenses for most software and other practical works are designed
|
||||
to take away your freedom to share and change the works. By contrast,
|
||||
our General Public Licenses are intended to guarantee your freedom to
|
||||
share and change all versions of a program--to make sure it remains free
|
||||
software for all its users.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
them if you wish), that you receive source code or can get it if you
|
||||
want it, that you can change the software or use pieces of it in new
|
||||
free programs, and that you know you can do these things.
|
||||
|
||||
Developers that use our General Public Licenses protect your rights
|
||||
with two steps: (1) assert copyright on the software, and (2) offer
|
||||
you this License which gives you legal permission to copy, distribute
|
||||
and/or modify the software.
|
||||
|
||||
A secondary benefit of defending all users' freedom is that
|
||||
improvements made in alternate versions of the program, if they
|
||||
receive widespread use, become available for other developers to
|
||||
incorporate. Many developers of free software are heartened and
|
||||
encouraged by the resulting cooperation. However, in the case of
|
||||
software used on network servers, this result may fail to come about.
|
||||
The GNU General Public License permits making a modified version and
|
||||
letting the public access it on a server without ever releasing its
|
||||
source code to the public.
|
||||
|
||||
The GNU Affero General Public License is designed specifically to
|
||||
ensure that, in such cases, the modified source code becomes available
|
||||
to the community. It requires the operator of a network server to
|
||||
provide the source code of the modified version running there to the
|
||||
users of that server. Therefore, public use of a modified version, on
|
||||
a publicly accessible server, gives the public access to the source
|
||||
code of the modified version.
|
||||
|
||||
An older license, called the Affero General Public License and
|
||||
published by Affero, was designed to accomplish similar goals. This is
|
||||
a different license, not a version of the Affero GPL, but Affero has
|
||||
released a new version of the Affero GPL which permits relicensing under
|
||||
this license.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
TERMS AND CONDITIONS
|
||||
|
||||
0. Definitions.
|
||||
|
||||
"This License" refers to version 3 of the GNU Affero General Public License.
|
||||
|
||||
"Copyright" also means copyright-like laws that apply to other kinds of
|
||||
works, such as semiconductor masks.
|
||||
|
||||
"The Program" refers to any copyrightable work licensed under this
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License. Each licensee is addressed as "you". "Licensees" and
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|
||||
To "modify" a work means to copy from or adapt all or part of the work
|
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|
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exact copy. The resulting work is called a "modified version" of the
|
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earlier work or a work "based on" the earlier work.
|
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|
||||
A "covered work" means either the unmodified Program or a work based
|
||||
on the Program.
|
||||
|
||||
To "propagate" a work means to do anything with it that, without
|
||||
permission, would make you directly or secondarily liable for
|
||||
infringement under applicable copyright law, except executing it on a
|
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computer or modifying a private copy. Propagation includes copying,
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distribution (with or without modification), making available to the
|
||||
public, and in some countries other activities as well.
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|
||||
To "convey" a work means any kind of propagation that enables other
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parties to make or receive copies. Mere interaction with a user through
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||||
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|
||||
An interactive user interface displays "Appropriate Legal Notices"
|
||||
to the extent that it includes a convenient and prominently visible
|
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|
||||
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|
||||
extent that warranties are provided), that licensees may convey the
|
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|
||||
the interface presents a list of user commands or options, such as a
|
||||
menu, a prominent item in the list meets this criterion.
|
||||
|
||||
1. Source Code.
|
||||
|
||||
The "source code" for a work means the preferred form of the work
|
||||
for making modifications to it. "Object code" means any non-source
|
||||
form of a work.
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||||
|
||||
A "Standard Interface" means an interface that either is an official
|
||||
standard defined by a recognized standards body, or, in the case of
|
||||
interfaces specified for a particular programming language, one that
|
||||
is widely used among developers working in that language.
|
||||
|
||||
The "System Libraries" of an executable work include anything, other
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||||
than the work as a whole, that (a) is included in the normal form of
|
||||
packaging a Major Component, but which is not part of that Major
|
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|
||||
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|
||||
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|
||||
"Major Component", in this context, means a major essential component
|
||||
(kernel, window system, and so on) of the specific operating system
|
||||
(if any) on which the executable work runs, or a compiler used to
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|
||||
The "Corresponding Source" for a work in object code form means all
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||||
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|
||||
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|
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|
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System Libraries, or general-purpose tools or generally available free
|
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|
||||
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|
||||
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|
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|
||||
such as by intimate data communication or control flow between those
|
||||
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|
||||
|
||||
The Corresponding Source need not include anything that users
|
||||
can regenerate automatically from other parts of the Corresponding
|
||||
Source.
|
||||
|
||||
The Corresponding Source for a work in source code form is that
|
||||
same work.
|
||||
|
||||
2. Basic Permissions.
|
||||
|
||||
All rights granted under this License are granted for the term of
|
||||
copyright on the Program, and are irrevocable provided the stated
|
||||
conditions are met. This License explicitly affirms your unlimited
|
||||
permission to run the unmodified Program. The output from running a
|
||||
covered work is covered by this License only if the output, given its
|
||||
content, constitutes a covered work. This License acknowledges your
|
||||
rights of fair use or other equivalent, as provided by copyright law.
|
||||
|
||||
You may make, run and propagate covered works that you do not
|
||||
convey, without conditions so long as your license otherwise remains
|
||||
in force. You may convey covered works to others for the sole purpose
|
||||
of having them make modifications exclusively for you, or provide you
|
||||
with facilities for running those works, provided that you comply with
|
||||
the terms of this License in conveying all material for which you do
|
||||
not control copyright. Those thus making or running the covered works
|
||||
for you must do so exclusively on your behalf, under your direction
|
||||
and control, on terms that prohibit them from making any copies of
|
||||
your copyrighted material outside their relationship with you.
|
||||
|
||||
Conveying under any other circumstances is permitted solely under
|
||||
the conditions stated below. Sublicensing is not allowed; section 10
|
||||
makes it unnecessary.
|
||||
|
||||
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||
|
||||
No covered work shall be deemed part of an effective technological
|
||||
measure under any applicable law fulfilling obligations under article
|
||||
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||
similar laws prohibiting or restricting circumvention of such
|
||||
measures.
|
||||
|
||||
When you convey a covered work, you waive any legal power to forbid
|
||||
circumvention of technological measures to the extent such circumvention
|
||||
is effected by exercising rights under this License with respect to
|
||||
the covered work, and you disclaim any intention to limit operation or
|
||||
modification of the work as a means of enforcing, against the work's
|
||||
users, your or third parties' legal rights to forbid circumvention of
|
||||
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|
||||
|
||||
4. Conveying Verbatim Copies.
|
||||
|
||||
You may convey verbatim copies of the Program's source code as you
|
||||
receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice;
|
||||
keep intact all notices stating that this License and any
|
||||
non-permissive terms added in accord with section 7 apply to the code;
|
||||
keep intact all notices of the absence of any warranty; and give all
|
||||
recipients a copy of this License along with the Program.
|
||||
|
||||
You may charge any price or no price for each copy that you convey,
|
||||
and you may offer support or warranty protection for a fee.
|
||||
|
||||
5. Conveying Modified Source Versions.
|
||||
|
||||
You may convey a work based on the Program, or the modifications to
|
||||
produce it from the Program, in the form of source code under the
|
||||
terms of section 4, provided that you also meet all of these conditions:
|
||||
|
||||
a) The work must carry prominent notices stating that you modified
|
||||
it, and giving a relevant date.
|
||||
|
||||
b) The work must carry prominent notices stating that it is
|
||||
released under this License and any conditions added under section
|
||||
7. This requirement modifies the requirement in section 4 to
|
||||
"keep intact all notices".
|
||||
|
||||
c) You must license the entire work, as a whole, under this
|
||||
License to anyone who comes into possession of a copy. This
|
||||
License will therefore apply, along with any applicable section 7
|
||||
additional terms, to the whole of the work, and all its parts,
|
||||
regardless of how they are packaged. This License gives no
|
||||
permission to license the work in any other way, but it does not
|
||||
invalidate such permission if you have separately received it.
|
||||
|
||||
d) If the work has interactive user interfaces, each must display
|
||||
Appropriate Legal Notices; however, if the Program has interactive
|
||||
interfaces that do not display Appropriate Legal Notices, your
|
||||
work need not make them do so.
|
||||
|
||||
A compilation of a covered work with other separate and independent
|
||||
works, which are not by their nature extensions of the covered work,
|
||||
and which are not combined with it such as to form a larger program,
|
||||
in or on a volume of a storage or distribution medium, is called an
|
||||
"aggregate" if the compilation and its resulting copyright are not
|
||||
used to limit the access or legal rights of the compilation's users
|
||||
beyond what the individual works permit. Inclusion of a covered work
|
||||
in an aggregate does not cause this License to apply to the other
|
||||
parts of the aggregate.
|
||||
|
||||
6. Conveying Non-Source Forms.
|
||||
|
||||
You may convey a covered work in object code form under the terms
|
||||
of sections 4 and 5, provided that you also convey the
|
||||
machine-readable Corresponding Source under the terms of this License,
|
||||
in one of these ways:
|
||||
|
||||
a) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by the
|
||||
Corresponding Source fixed on a durable physical medium
|
||||
customarily used for software interchange.
|
||||
|
||||
b) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by a
|
||||
written offer, valid for at least three years and valid for as
|
||||
long as you offer spare parts or customer support for that product
|
||||
model, to give anyone who possesses the object code either (1) a
|
||||
copy of the Corresponding Source for all the software in the
|
||||
product that is covered by this License, on a durable physical
|
||||
medium customarily used for software interchange, for a price no
|
||||
more than your reasonable cost of physically performing this
|
||||
conveying of source, or (2) access to copy the
|
||||
Corresponding Source from a network server at no charge.
|
||||
|
||||
c) Convey individual copies of the object code with a copy of the
|
||||
written offer to provide the Corresponding Source. This
|
||||
alternative is allowed only occasionally and noncommercially, and
|
||||
only if you received the object code with such an offer, in accord
|
||||
with subsection 6b.
|
||||
|
||||
d) Convey the object code by offering access from a designated
|
||||
place (gratis or for a charge), and offer equivalent access to the
|
||||
Corresponding Source in the same way through the same place at no
|
||||
further charge. You need not require recipients to copy the
|
||||
Corresponding Source along with the object code. If the place to
|
||||
copy the object code is a network server, the Corresponding Source
|
||||
may be on a different server (operated by you or a third party)
|
||||
that supports equivalent copying facilities, provided you maintain
|
||||
clear directions next to the object code saying where to find the
|
||||
Corresponding Source. Regardless of what server hosts the
|
||||
Corresponding Source, you remain obligated to ensure that it is
|
||||
available for as long as needed to satisfy these requirements.
|
||||
|
||||
e) Convey the object code using peer-to-peer transmission, provided
|
||||
you inform other peers where the object code and Corresponding
|
||||
Source of the work are being offered to the general public at no
|
||||
charge under subsection 6d.
|
||||
|
||||
A separable portion of the object code, whose source code is excluded
|
||||
from the Corresponding Source as a System Library, need not be
|
||||
included in conveying the object code work.
|
||||
|
||||
A "User Product" is either (1) a "consumer product", which means any
|
||||
tangible personal property which is normally used for personal, family,
|
||||
or household purposes, or (2) anything designed or sold for incorporation
|
||||
into a dwelling. In determining whether a product is a consumer product,
|
||||
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||
product received by a particular user, "normally used" refers to a
|
||||
typical or common use of that class of product, regardless of the status
|
||||
of the particular user or of the way in which the particular user
|
||||
actually uses, or expects or is expected to use, the product. A product
|
||||
is a consumer product regardless of whether the product has substantial
|
||||
commercial, industrial or non-consumer uses, unless such uses represent
|
||||
the only significant mode of use of the product.
|
||||
|
||||
"Installation Information" for a User Product means any methods,
|
||||
procedures, authorization keys, or other information required to install
|
||||
and execute modified versions of a covered work in that User Product from
|
||||
a modified version of its Corresponding Source. The information must
|
||||
suffice to ensure that the continued functioning of the modified object
|
||||
code is in no case prevented or interfered with solely because
|
||||
modification has been made.
|
||||
|
||||
If you convey an object code work under this section in, or with, or
|
||||
specifically for use in, a User Product, and the conveying occurs as
|
||||
part of a transaction in which the right of possession and use of the
|
||||
User Product is transferred to the recipient in perpetuity or for a
|
||||
fixed term (regardless of how the transaction is characterized), the
|
||||
Corresponding Source conveyed under this section must be accompanied
|
||||
by the Installation Information. But this requirement does not apply
|
||||
if neither you nor any third party retains the ability to install
|
||||
modified object code on the User Product (for example, the work has
|
||||
been installed in ROM).
|
||||
|
||||
The requirement to provide Installation Information does not include a
|
||||
requirement to continue to provide support service, warranty, or updates
|
||||
for a work that has been modified or installed by the recipient, or for
|
||||
the User Product in which it has been modified or installed. Access to a
|
||||
network may be denied when the modification itself materially and
|
||||
adversely affects the operation of the network or violates the rules and
|
||||
protocols for communication across the network.
|
||||
|
||||
Corresponding Source conveyed, and Installation Information provided,
|
||||
in accord with this section must be in a format that is publicly
|
||||
documented (and with an implementation available to the public in
|
||||
source code form), and must require no special password or key for
|
||||
unpacking, reading or copying.
|
||||
|
||||
7. Additional Terms.
|
||||
|
||||
"Additional permissions" are terms that supplement the terms of this
|
||||
License by making exceptions from one or more of its conditions.
|
||||
Additional permissions that are applicable to the entire Program shall
|
||||
be treated as though they were included in this License, to the extent
|
||||
that they are valid under applicable law. If additional permissions
|
||||
apply only to part of the Program, that part may be used separately
|
||||
under those permissions, but the entire Program remains governed by
|
||||
this License without regard to the additional permissions.
|
||||
|
||||
When you convey a copy of a covered work, you may at your option
|
||||
remove any additional permissions from that copy, or from any part of
|
||||
it. (Additional permissions may be written to require their own
|
||||
removal in certain cases when you modify the work.) You may place
|
||||
additional permissions on material, added by you to a covered work,
|
||||
for which you have or can give appropriate copyright permission.
|
||||
|
||||
Notwithstanding any other provision of this License, for material you
|
||||
add to a covered work, you may (if authorized by the copyright holders of
|
||||
that material) supplement the terms of this License with terms:
|
||||
|
||||
a) Disclaiming warranty or limiting liability differently from the
|
||||
terms of sections 15 and 16 of this License; or
|
||||
|
||||
b) Requiring preservation of specified reasonable legal notices or
|
||||
author attributions in that material or in the Appropriate Legal
|
||||
Notices displayed by works containing it; or
|
||||
|
||||
c) Prohibiting misrepresentation of the origin of that material, or
|
||||
requiring that modified versions of such material be marked in
|
||||
reasonable ways as different from the original version; or
|
||||
|
||||
d) Limiting the use for publicity purposes of names of licensors or
|
||||
authors of the material; or
|
||||
|
||||
e) Declining to grant rights under trademark law for use of some
|
||||
trade names, trademarks, or service marks; or
|
||||
|
||||
f) Requiring indemnification of licensors and authors of that
|
||||
material by anyone who conveys the material (or modified versions of
|
||||
it) with contractual assumptions of liability to the recipient, for
|
||||
any liability that these contractual assumptions directly impose on
|
||||
those licensors and authors.
|
||||
|
||||
All other non-permissive additional terms are considered "further
|
||||
restrictions" within the meaning of section 10. If the Program as you
|
||||
received it, or any part of it, contains a notice stating that it is
|
||||
governed by this License along with a term that is a further
|
||||
restriction, you may remove that term. If a license document contains
|
||||
a further restriction but permits relicensing or conveying under this
|
||||
License, you may add to a covered work material governed by the terms
|
||||
of that license document, provided that the further restriction does
|
||||
not survive such relicensing or conveying.
|
||||
|
||||
If you add terms to a covered work in accord with this section, you
|
||||
must place, in the relevant source files, a statement of the
|
||||
additional terms that apply to those files, or a notice indicating
|
||||
where to find the applicable terms.
|
||||
|
||||
Additional terms, permissive or non-permissive, may be stated in the
|
||||
form of a separately written license, or stated as exceptions;
|
||||
the above requirements apply either way.
|
||||
|
||||
8. Termination.
|
||||
|
||||
You may not propagate or modify a covered work except as expressly
|
||||
provided under this License. Any attempt otherwise to propagate or
|
||||
modify it is void, and will automatically terminate your rights under
|
||||
this License (including any patent licenses granted under the third
|
||||
paragraph of section 11).
|
||||
|
||||
However, if you cease all violation of this License, then your
|
||||
license from a particular copyright holder is reinstated (a)
|
||||
provisionally, unless and until the copyright holder explicitly and
|
||||
finally terminates your license, and (b) permanently, if the copyright
|
||||
holder fails to notify you of the violation by some reasonable means
|
||||
prior to 60 days after the cessation.
|
||||
|
||||
Moreover, your license from a particular copyright holder is
|
||||
reinstated permanently if the copyright holder notifies you of the
|
||||
violation by some reasonable means, this is the first time you have
|
||||
received notice of violation of this License (for any work) from that
|
||||
copyright holder, and you cure the violation prior to 30 days after
|
||||
your receipt of the notice.
|
||||
|
||||
Termination of your rights under this section does not terminate the
|
||||
licenses of parties who have received copies or rights from you under
|
||||
this License. If your rights have been terminated and not permanently
|
||||
reinstated, you do not qualify to receive new licenses for the same
|
||||
material under section 10.
|
||||
|
||||
9. Acceptance Not Required for Having Copies.
|
||||
|
||||
You are not required to accept this License in order to receive or
|
||||
run a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Remote Network Interaction; Use with the GNU General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, if you modify the
|
||||
Program, your modified version must prominently offer all users
|
||||
interacting with it remotely through a computer network (if your version
|
||||
supports such interaction) an opportunity to receive the Corresponding
|
||||
Source of your version by providing access to the Corresponding Source
|
||||
from a network server at no charge, through some standard or customary
|
||||
means of facilitating copying of software. This Corresponding Source
|
||||
shall include the Corresponding Source for any work covered by version 3
|
||||
of the GNU General Public License that is incorporated pursuant to the
|
||||
following paragraph.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the work with which it is combined will remain governed by version
|
||||
3 of the GNU General Public License.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU Affero General Public License from time to time. Such new versions
|
||||
will be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU Affero General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU Affero General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU Affero General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
state the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU Affero General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Affero General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Affero General Public License
|
||||
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If your software can interact with users remotely through a computer
|
||||
network, you should also make sure that it provides a way for users to
|
||||
get its source. For example, if your program is a web application, its
|
||||
interface could display a "Source" link that leads users to an archive
|
||||
of the code. There are many ways you could offer source, and different
|
||||
solutions will be better for different programs; see section 13 for the
|
||||
specific requirements.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or school,
|
||||
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||
For more information on this, and how to apply and follow the GNU AGPL, see
|
||||
<https://www.gnu.org/licenses/>.
|
|
@ -0,0 +1,79 @@
|
|||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
|
||||
|
||||
[[package]]
|
||||
name = "az"
|
||||
version = "1.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "822d7d63e0c0260a050f6b1f0d316f5c79b9eab830aca526ed904e1011bd64ca"
|
||||
|
||||
[[package]]
|
||||
name = "gmp-mpfr-sys"
|
||||
version = "1.4.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "18e70045792b1d584ef8d8ac5e890a98d9d6499d2d709cf2b23725b6dcb10064"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.95"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "789da6d93f1b866ffe175afc5322a4d76c038605a1c3319bb57b06967ca98a36"
|
||||
|
||||
[[package]]
|
||||
name = "num-traits"
|
||||
version = "0.2.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
|
||||
dependencies = [
|
||||
"autocfg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "opentally"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"num-traits",
|
||||
"rug",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rug"
|
||||
version = "1.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32f75e07492c4d17d12f226d17e689fdb698db7a1e875fca0fac15626283bf24"
|
||||
dependencies = [
|
||||
"az",
|
||||
"gmp-mpfr-sys",
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
|
@ -0,0 +1,13 @@
|
|||
[package]
|
||||
name = "opentally"
|
||||
version = "0.1.0"
|
||||
authors = ["Lee Yingtong Li <runassudo@yingtongli.me>"]
|
||||
edition = "2018"
|
||||
|
||||
[dependencies]
|
||||
num-traits = "0.2"
|
||||
|
||||
[dependencies.rug]
|
||||
version = "1.12"
|
||||
default-features = false
|
||||
features = ["integer", "rational", "float"]
|
|
@ -0,0 +1,209 @@
|
|||
/* OpenTally: Open-source election vote counting
|
||||
* Copyright © 2021 Lee Yingtong Li (RunasSudo)
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
use crate::numbers::Number;
|
||||
|
||||
use std::collections::HashMap;
|
||||
use std::io::{BufRead, Lines};
|
||||
|
||||
pub struct Election<N> {
|
||||
pub seats: usize,
|
||||
pub candidates: Vec<Candidate>,
|
||||
pub ballots: Vec<Ballot<N>>,
|
||||
}
|
||||
|
||||
impl<N: Number> Election<N> {
|
||||
pub fn from_blt<B: BufRead>(mut lines: Lines<B>) -> Self {
|
||||
// Read first line
|
||||
let line = lines.next().expect("Unexpected EOF").expect("IO Error");
|
||||
let mut bits = line.split(" ");
|
||||
let num_candidates = bits.next().expect("Syntax Error").parse().expect("Syntax Error");
|
||||
let seats: usize = bits.next().expect("Syntax Error").parse().expect("Syntax Error");
|
||||
|
||||
// Initialise the Election object
|
||||
let mut election = Election {
|
||||
seats: seats,
|
||||
candidates: Vec::with_capacity(num_candidates),
|
||||
ballots: Vec::new(),
|
||||
};
|
||||
|
||||
// Read ballots
|
||||
for line in &mut lines {
|
||||
let line = line.expect("IO Error");
|
||||
if line == "0" {
|
||||
break;
|
||||
}
|
||||
|
||||
let mut bits = line.split(" ");
|
||||
let value = N::parse(bits.next().expect("Syntax Error"));
|
||||
|
||||
let mut ballot = Ballot {
|
||||
orig_value: value,
|
||||
preferences: Vec::new(),
|
||||
};
|
||||
|
||||
for preference in bits {
|
||||
if preference != "0" {
|
||||
let preference = preference.parse::<usize>().expect("Syntax Error");
|
||||
ballot.preferences.push(preference - 1);
|
||||
}
|
||||
}
|
||||
|
||||
election.ballots.push(ballot);
|
||||
}
|
||||
|
||||
// Read candidates
|
||||
for line in lines.take(num_candidates) {
|
||||
let mut line = &line.expect("IO Error")[..];
|
||||
if line.starts_with("\"") && line.ends_with("\"") {
|
||||
line = &line[1..line.len()-1];
|
||||
}
|
||||
|
||||
election.candidates.push(Candidate { name: line.to_string() });
|
||||
}
|
||||
|
||||
return election;
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(PartialEq, Eq, Hash)]
|
||||
pub struct Candidate {
|
||||
pub name: String,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct CountState<'a, N> {
|
||||
pub election: &'a Election<N>,
|
||||
|
||||
pub candidates: HashMap<&'a Candidate, CountCard<'a, N>>,
|
||||
pub exhausted: CountCard<'a, N>,
|
||||
|
||||
pub quota: N,
|
||||
|
||||
pub num_elected: usize,
|
||||
pub num_excluded: usize,
|
||||
}
|
||||
|
||||
impl<'a, N: Number> CountState<'a, N> {
|
||||
pub fn new(election: &'a Election<N>) -> Self {
|
||||
let mut state = CountState {
|
||||
election: &election,
|
||||
candidates: HashMap::new(),
|
||||
exhausted: CountCard::new(),
|
||||
quota: N::new(),
|
||||
num_elected: 0,
|
||||
num_excluded: 0,
|
||||
};
|
||||
|
||||
for candidate in election.candidates.iter() {
|
||||
state.candidates.insert(candidate, CountCard::new());
|
||||
}
|
||||
|
||||
return state;
|
||||
}
|
||||
|
||||
pub fn step_all(&mut self) {
|
||||
for (_, count_card) in self.candidates.iter_mut() {
|
||||
count_card.step();
|
||||
}
|
||||
self.exhausted.step();
|
||||
}
|
||||
}
|
||||
|
||||
pub enum CountStateOrRef<'a, N> {
|
||||
State(CountState<'a, N>),
|
||||
Ref(&'a CountState<'a, N>),
|
||||
}
|
||||
|
||||
impl<'a, N> CountStateOrRef<'a, N> {
|
||||
pub fn as_ref(&self) -> &CountState<N> {
|
||||
match self {
|
||||
CountStateOrRef::State(state) => &state,
|
||||
CountStateOrRef::Ref(state) => state,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct StageResult<'a, N> {
|
||||
pub title: &'a str,
|
||||
pub logs: Vec<&'a str>,
|
||||
pub state: CountStateOrRef<'a, N>,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct CountCard<'a, N> {
|
||||
pub state: CandidateState,
|
||||
pub order_elected: isize,
|
||||
|
||||
pub orig_votes: N,
|
||||
pub transfers: N,
|
||||
pub votes: N,
|
||||
|
||||
pub parcels: Vec<Parcel<'a, N>>,
|
||||
}
|
||||
|
||||
impl<'a, N: Number> CountCard<'a, N> {
|
||||
pub fn new() -> Self {
|
||||
return CountCard {
|
||||
state: CandidateState::HOPEFUL,
|
||||
order_elected: 0,
|
||||
orig_votes: N::new(),
|
||||
transfers: N::new(),
|
||||
votes: N::new(),
|
||||
parcels: Vec::new(),
|
||||
};
|
||||
}
|
||||
|
||||
//pub fn votes(&'a self) -> N {
|
||||
// return self.orig_votes.clone() + &self.transfers;
|
||||
//}
|
||||
|
||||
pub fn transfer(&mut self, transfer: &'_ N) {
|
||||
self.transfers += transfer;
|
||||
self.votes += transfer;
|
||||
}
|
||||
|
||||
pub fn step(&mut self) {
|
||||
self.orig_votes = self.votes.clone();
|
||||
self.transfers = N::new();
|
||||
}
|
||||
}
|
||||
|
||||
pub type Parcel<'a, N> = Vec<Vote<'a, N>>;
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct Vote<'a, N> {
|
||||
pub ballot: &'a Ballot<N>,
|
||||
pub value: N,
|
||||
pub up_to_pref: usize,
|
||||
}
|
||||
|
||||
pub struct Ballot<N> {
|
||||
pub orig_value: N,
|
||||
pub preferences: Vec<usize>,
|
||||
}
|
||||
|
||||
#[allow(dead_code)]
|
||||
#[derive(PartialEq)]
|
||||
#[derive(Clone)]
|
||||
pub enum CandidateState {
|
||||
HOPEFUL,
|
||||
GUARDED,
|
||||
ELECTED,
|
||||
DOOMED,
|
||||
EXCLUDED,
|
||||
}
|
|
@ -0,0 +1,160 @@
|
|||
/* OpenTally: Open-source election vote counting
|
||||
* Copyright © 2021 Lee Yingtong Li (RunasSudo)
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
mod election;
|
||||
mod numbers;
|
||||
mod stv;
|
||||
|
||||
use crate::election::{CandidateState, CountState, CountStateOrRef, Election, StageResult};
|
||||
use crate::numbers::{Number, NumType};
|
||||
|
||||
use std::env;
|
||||
use std::fs::File;
|
||||
use std::io::{self, BufRead};
|
||||
|
||||
const DECIMAL_PLACES: usize = 0;
|
||||
|
||||
fn print_stage<N: Number>(stage_num: usize, result: &StageResult<N>) {
|
||||
println!("{}. {}", stage_num, result.title);
|
||||
println!("{}", result.logs.join(" "));
|
||||
|
||||
// Sort candidates
|
||||
//let mut candidates: Vec<(&&Candidate, &CountCard<N>)> = result.state.candidates.iter().collect();
|
||||
//candidates.sort_unstable_by(|a, b| a.1.votes.partial_cmp(&b.1.votes).unwrap());
|
||||
let candidates = result.state.as_ref().election.candidates.iter().map(|c| (c, result.state.as_ref().candidates.get(c).unwrap()));
|
||||
|
||||
// Print candidates
|
||||
//for (candidate, count_card) in candidates.into_iter().rev() {
|
||||
for (candidate, count_card) in candidates {
|
||||
if count_card.state == CandidateState::ELECTED {
|
||||
println!("- {}: {:.dps$} ({:.dps$}) - ELECTED {}", candidate.name, count_card.votes, count_card.transfers, count_card.order_elected, dps=DECIMAL_PLACES);
|
||||
} else if count_card.state == CandidateState::EXCLUDED {
|
||||
println!("- {}: {:.dps$} ({:.dps$}) - Excluded {}", candidate.name, count_card.votes, count_card.transfers, -count_card.order_elected, dps=DECIMAL_PLACES);
|
||||
} else {
|
||||
println!("- {}: {:.dps$} ({:.dps$})", candidate.name, count_card.votes, count_card.transfers, dps=DECIMAL_PLACES);
|
||||
}
|
||||
}
|
||||
|
||||
println!("Quota: {:.dps$}", result.state.as_ref().quota, dps=DECIMAL_PLACES);
|
||||
|
||||
println!("");
|
||||
}
|
||||
|
||||
fn main() {
|
||||
// Read arguments
|
||||
let file_name = env::args().skip(1).next().expect("First argument must be path to BLT file");
|
||||
|
||||
let should_clone_state = false;
|
||||
|
||||
// Read BLT file
|
||||
let file = File::open(file_name).expect("IO Error");
|
||||
let lines = io::BufReader::new(file).lines();
|
||||
let election: Election<NumType> = Election::from_blt(lines);
|
||||
|
||||
// Initialise count state
|
||||
let mut state = CountState::new(&election);
|
||||
|
||||
// Distribute first preferences
|
||||
stv::distribute_first_preferences(&mut state);
|
||||
stv::calculate_quota(&mut state);
|
||||
stv::elect_meeting_quota(&mut state);
|
||||
|
||||
// Display
|
||||
// TODO: Add logs during count
|
||||
let result = StageResult {
|
||||
title: "First preferences",
|
||||
logs: vec!["First preferences distributed."],
|
||||
state: if should_clone_state { CountStateOrRef::State(state.clone()) } else { CountStateOrRef::Ref(&state) },
|
||||
};
|
||||
print_stage(1, &result);
|
||||
|
||||
let mut stage_num = 1;
|
||||
|
||||
loop {
|
||||
state.step_all();
|
||||
stage_num += 1;
|
||||
|
||||
// Finish count
|
||||
if stv::finished_before_stage(&state) {
|
||||
break;
|
||||
}
|
||||
|
||||
// Continue exclusions
|
||||
if stv::continue_exclusion(&mut state) {
|
||||
stv::elect_meeting_quota(&mut state);
|
||||
let result = StageResult {
|
||||
title: "Exclusion",
|
||||
logs: vec!["Continuing exclusion."],
|
||||
state: if should_clone_state { CountStateOrRef::State(state.clone()) } else { CountStateOrRef::Ref(&state) },
|
||||
};
|
||||
print_stage(stage_num, &result);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Distribute surpluses
|
||||
if stv::distribute_surpluses(&mut state) {
|
||||
stv::elect_meeting_quota(&mut state);
|
||||
let result = StageResult {
|
||||
title: "Surplus",
|
||||
logs: vec!["Surplus distributed."],
|
||||
state: if should_clone_state { CountStateOrRef::State(state.clone()) } else { CountStateOrRef::Ref(&state) },
|
||||
};
|
||||
print_stage(stage_num, &result);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Attempt bulk election
|
||||
if stv::bulk_elect(&mut state) {
|
||||
stv::elect_meeting_quota(&mut state);
|
||||
let result = StageResult {
|
||||
title: "Bulk election",
|
||||
logs: vec!["Bulk election."],
|
||||
state: if should_clone_state { CountStateOrRef::State(state.clone()) } else { CountStateOrRef::Ref(&state) },
|
||||
};
|
||||
print_stage(stage_num, &result);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Exclude lowest hopeful
|
||||
if stv::exclude_hopefuls(&mut state) {
|
||||
stv::elect_meeting_quota(&mut state);
|
||||
let result = StageResult {
|
||||
title: "Exclusion",
|
||||
logs: vec!["Candidate excluded."],
|
||||
state: if should_clone_state { CountStateOrRef::State(state.clone()) } else { CountStateOrRef::Ref(&state) },
|
||||
};
|
||||
print_stage(stage_num, &result);
|
||||
continue;
|
||||
}
|
||||
|
||||
todo!();
|
||||
}
|
||||
|
||||
println!("Count complete. The winning candidates are, in order of election:");
|
||||
|
||||
let mut winners = Vec::new();
|
||||
for (candidate, count_card) in state.candidates.iter() {
|
||||
if count_card.state == CandidateState::ELECTED {
|
||||
winners.push((candidate, count_card.order_elected));
|
||||
}
|
||||
}
|
||||
winners.sort_unstable_by(|a, b| a.1.partial_cmp(&b.1).unwrap());
|
||||
|
||||
for (i, (winner, _)) in winners.into_iter().enumerate() {
|
||||
println!("{}. {}", i + 1, winner.name);
|
||||
}
|
||||
}
|
|
@ -0,0 +1,305 @@
|
|||
/* OpenTally: Open-source election vote counting
|
||||
* Copyright © 2021 Lee Yingtong Li (RunasSudo)
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
use num_traits::{Num, NumAssignRef, NumRef, One, Zero};
|
||||
use rug::{self, Assign, ops::Pow, rational::ParseRationalError};
|
||||
|
||||
use std::cmp::{Ordering, PartialEq, PartialOrd};
|
||||
use std::convert::TryInto;
|
||||
use std::fmt;
|
||||
use std::ops;
|
||||
|
||||
//pub trait Number: NumRef + NumAssignRef + PartialOrd + Assign + Clone + fmt::Display where for<'a> &'a Self: RefNum<&'a Self> {
|
||||
pub trait Number: NumRef + NumAssignRef + ops::Neg<Output=Self> + PartialOrd + Assign + Clone + fmt::Display where for<'a> Self: Assign<&'a Self>{
|
||||
fn new() -> Self;
|
||||
fn from(n: usize) -> Self;
|
||||
|
||||
fn floor_mut(&mut self);
|
||||
|
||||
fn parse(s: &str) -> Self {
|
||||
if let Ok(value) = Self::from_str_radix(s, 10) {
|
||||
return value;
|
||||
} else {
|
||||
panic!("Syntax Error");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct Rational(rug::Rational);
|
||||
|
||||
impl Number for Rational {
|
||||
fn new() -> Self { Self(rug::Rational::new()) }
|
||||
|
||||
fn from(n: usize) -> Self { Self(rug::Rational::from(n)) }
|
||||
|
||||
fn floor_mut(&mut self) { self.0.floor_mut() }
|
||||
}
|
||||
|
||||
impl Num for Rational {
|
||||
type FromStrRadixErr = ParseRationalError;
|
||||
|
||||
fn from_str_radix(str: &str, radix: u32) -> Result<Self, Self::FromStrRadixErr> {
|
||||
match rug::Rational::parse_radix(str, radix.try_into().unwrap()) {
|
||||
Ok(value) => Ok(Self(rug::Rational::from(value))),
|
||||
Err(err) => Err(err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Assign for Rational {
|
||||
fn assign(&mut self, src: Self) { self.0.assign(src.0) }
|
||||
}
|
||||
|
||||
impl Assign<&Rational> for Rational {
|
||||
fn assign(&mut self, src: &Rational) { self.0.assign(&src.0) }
|
||||
}
|
||||
|
||||
impl Clone for Rational {
|
||||
fn clone(&self) -> Self { Self(self.0.clone()) }
|
||||
}
|
||||
|
||||
impl fmt::Display for Rational {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
if let Some(precision) = f.precision() {
|
||||
if precision == 0 {
|
||||
let result = rug::Integer::from((&self.0).round_ref()).to_string();
|
||||
return f.write_str(&result);
|
||||
} else {
|
||||
let base = rug::Rational::from(10).pow(precision as u32);
|
||||
let mut result = rug::Integer::from((&self.0 * base).round_ref()).to_string();
|
||||
|
||||
// Add leading 0s
|
||||
result = format!("{0:0>1$}", result, precision + 1);
|
||||
|
||||
// Add the decimal point
|
||||
result.insert(result.len() - precision, '.');
|
||||
|
||||
return f.write_str(&result);
|
||||
}
|
||||
} else {
|
||||
return self.0.fmt(f);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl One for Rational {
|
||||
fn one() -> Self { Rational(rug::Rational::from(1)) }
|
||||
}
|
||||
|
||||
impl Zero for Rational {
|
||||
fn zero() -> Self { Self::new() }
|
||||
fn is_zero(&self) -> bool { self.0 == rug::Rational::new() }
|
||||
}
|
||||
|
||||
impl PartialEq for Rational {
|
||||
fn eq(&self, _other: &Self) -> bool {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl PartialOrd for Rational {
|
||||
fn partial_cmp(&self, other: &Self) -> Option<Ordering> { self.0.partial_cmp(&other.0) }
|
||||
}
|
||||
|
||||
impl ops::Neg for Rational {
|
||||
type Output = Rational;
|
||||
fn neg(self) -> Self::Output { Rational(-self.0) }
|
||||
}
|
||||
|
||||
impl ops::Add for Rational {
|
||||
type Output = Rational;
|
||||
fn add(self, _rhs: Self) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Sub for Rational {
|
||||
type Output = Rational;
|
||||
fn sub(self, _rhs: Self) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Mul for Rational {
|
||||
type Output = Rational;
|
||||
fn mul(self, _rhs: Self) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Div for Rational {
|
||||
type Output = Rational;
|
||||
fn div(self, _rhs: Self) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Rem for Rational {
|
||||
type Output = Rational;
|
||||
|
||||
fn rem(self, _rhs: Self) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Add<&Rational> for Rational {
|
||||
type Output = Rational;
|
||||
fn add(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Sub<&Rational> for Rational {
|
||||
type Output = Rational;
|
||||
fn sub(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Mul<&Rational> for Rational {
|
||||
type Output = Rational;
|
||||
fn mul(self, rhs: &Rational) -> Self::Output { Rational(self.0 * &rhs.0) }
|
||||
}
|
||||
|
||||
impl ops::Div<&Rational> for Rational {
|
||||
type Output = Rational;
|
||||
fn div(self, rhs: &Rational) -> Self::Output { Rational(self.0 / &rhs.0) }
|
||||
}
|
||||
|
||||
impl ops::Rem<&Rational> for Rational {
|
||||
type Output = Rational;
|
||||
fn rem(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::AddAssign for Rational {
|
||||
fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0 }
|
||||
}
|
||||
|
||||
impl ops::SubAssign for Rational {
|
||||
fn sub_assign(&mut self, _rhs: Self) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::MulAssign for Rational {
|
||||
fn mul_assign(&mut self, _rhs: Self) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::DivAssign for Rational {
|
||||
fn div_assign(&mut self, rhs: Self) {
|
||||
self.0 /= &rhs.0;
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::RemAssign for Rational {
|
||||
fn rem_assign(&mut self, _rhs: Self) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::AddAssign<&Rational> for Rational {
|
||||
fn add_assign(&mut self, rhs: &Rational) {
|
||||
self.0 += &rhs.0;
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::SubAssign<&Rational> for Rational {
|
||||
fn sub_assign(&mut self, _rhs: &Rational) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::MulAssign<&Rational> for Rational {
|
||||
fn mul_assign(&mut self, _rhs: &Rational) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::DivAssign<&Rational> for Rational {
|
||||
fn div_assign(&mut self, _rhs: &Rational) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::RemAssign<&Rational> for Rational {
|
||||
fn rem_assign(&mut self, _rhs: &Rational) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Add<&Rational> for &Rational {
|
||||
type Output = Rational;
|
||||
fn add(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Sub<&Rational> for &Rational {
|
||||
type Output = Rational;
|
||||
fn sub(self, rhs: &Rational) -> Self::Output {
|
||||
return Rational(rug::Rational::from(&self.0 - &rhs.0));
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Mul<&Rational> for &Rational {
|
||||
type Output = Rational;
|
||||
fn mul(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Div<&Rational> for &Rational {
|
||||
type Output = Rational;
|
||||
fn div(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl ops::Rem<&Rational> for &Rational {
|
||||
type Output = Rational;
|
||||
fn rem(self, _rhs: &Rational) -> Self::Output {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
impl ops::Add<&&Rational> for &Rational {
|
||||
|
||||
}
|
||||
|
||||
impl ops::Sub<&&Rational> for &Rational {
|
||||
|
||||
}
|
||||
|
||||
impl ops::Mul<&&Rational> for &Rational {
|
||||
|
||||
}
|
||||
|
||||
impl ops::Div<&&Rational> for &Rational {
|
||||
|
||||
}
|
||||
|
||||
impl ops::Rem<&&Rational> for &Rational {
|
||||
|
||||
}
|
||||
*/
|
||||
|
||||
pub type NumType = Rational;
|
|
@ -0,0 +1,327 @@
|
|||
/* OpenTally: Open-source election vote counting
|
||||
* Copyright © 2021 Lee Yingtong Li (RunasSudo)
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#![allow(mutable_borrow_reservation_conflict)]
|
||||
|
||||
use crate::numbers::Number;
|
||||
use crate::election::{Candidate, CandidateState, CountCard, CountState, Parcel, Vote};
|
||||
|
||||
use std::collections::HashMap;
|
||||
use std::ops::Sub;
|
||||
|
||||
struct NextPreferencesResult<'a, N> {
|
||||
candidates: HashMap<&'a Candidate, NextPreferencesEntry<'a, N>>,
|
||||
exhausted: NextPreferencesEntry<'a, N>,
|
||||
total_ballots: N,
|
||||
}
|
||||
|
||||
struct NextPreferencesEntry<'a, N> {
|
||||
//count_card: Option<&'a CountCard<'a, N>>,
|
||||
votes: Vec<Vote<'a, N>>,
|
||||
num_ballots: N,
|
||||
num_votes: N,
|
||||
}
|
||||
|
||||
fn next_preferences<'a, N: Number>(state: &CountState<'a, N>, votes: Vec<Vote<'a, N>>) -> NextPreferencesResult<'a, N> {
|
||||
let mut result = NextPreferencesResult {
|
||||
candidates: HashMap::new(),
|
||||
exhausted: NextPreferencesEntry {
|
||||
votes: Vec::new(),
|
||||
num_ballots: N::new(),
|
||||
num_votes: N::new(),
|
||||
},
|
||||
total_ballots: N::new(),
|
||||
};
|
||||
|
||||
for mut vote in votes.into_iter() {
|
||||
result.total_ballots += &vote.ballot.orig_value;
|
||||
|
||||
let mut next_candidate = None;
|
||||
|
||||
for (i, preference) in vote.ballot.preferences.iter().enumerate().skip(vote.up_to_pref) {
|
||||
let candidate = &state.election.candidates[*preference];
|
||||
let count_card = state.candidates.get(candidate).unwrap();
|
||||
|
||||
if let CandidateState::HOPEFUL | CandidateState::GUARDED = count_card.state {
|
||||
next_candidate = Some(candidate);
|
||||
vote.up_to_pref = i + 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Have to structure like this to satisfy Rust's borrow checker
|
||||
if let Some(candidate) = next_candidate {
|
||||
if result.candidates.contains_key(candidate) {
|
||||
let entry = result.candidates.get_mut(candidate).unwrap();
|
||||
entry.num_ballots += &vote.ballot.orig_value;
|
||||
entry.num_votes += &vote.value;
|
||||
entry.votes.push(vote);
|
||||
} else {
|
||||
let entry = NextPreferencesEntry {
|
||||
num_ballots: vote.ballot.orig_value.clone(),
|
||||
num_votes: vote.value.clone(),
|
||||
votes: vec![vote],
|
||||
};
|
||||
result.candidates.insert(candidate, entry);
|
||||
}
|
||||
} else {
|
||||
result.exhausted.num_ballots += &vote.ballot.orig_value;
|
||||
result.exhausted.num_votes += &vote.value;
|
||||
result.exhausted.votes.push(vote);
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
pub fn distribute_first_preferences<N: Number>(state: &mut CountState<N>) {
|
||||
let mut votes = Vec::new();
|
||||
for ballot in state.election.ballots.iter() {
|
||||
let vote = Vote {
|
||||
ballot: ballot,
|
||||
value: ballot.orig_value.clone(),
|
||||
up_to_pref: 0,
|
||||
};
|
||||
votes.push(vote);
|
||||
}
|
||||
|
||||
let result = next_preferences(state, votes);
|
||||
|
||||
// Transfer candidate votes
|
||||
for (candidate, entry) in result.candidates.into_iter() {
|
||||
let parcel = entry.votes as Parcel<N>;
|
||||
let count_card = state.candidates.get_mut(candidate).unwrap();
|
||||
count_card.parcels.push(parcel);
|
||||
count_card.transfer(&entry.num_votes);
|
||||
}
|
||||
|
||||
// Transfer exhausted votes
|
||||
let parcel = result.exhausted.votes as Parcel<N>;
|
||||
state.exhausted.parcels.push(parcel);
|
||||
state.exhausted.transfer(&result.exhausted.num_votes);
|
||||
}
|
||||
|
||||
pub fn calculate_quota<N: Number>(state: &mut CountState<N>) |