Repository: ayoungprogrammer/Lango
Branch: master
Commit: 0c4284c153ab
Files: 22
Total size: 70.2 KB
Directory structure:
gitextract_ngclx9sm/
├── .gitignore
├── LICENSE.txt
├── docs/
│ ├── Makefile
│ ├── conf.py
│ ├── index.rst
│ ├── installation.rst
│ ├── lango.matcher.rst
│ ├── lango.parser.rst
│ ├── lango.rst
│ ├── make.bat
│ ├── matching.rst
│ └── modules.rst
├── docs.md
├── examples/
│ ├── matching.py
│ ├── multimatch.py
│ └── parser_input.py
├── lango/
│ ├── __init__.py
│ ├── matcher.py
│ └── parser.py
├── readme.md
├── requirements.txt
└── setup.py
================================================
FILE CONTENTS
================================================
================================================
FILE: .gitignore
================================================
.DS_Store
stanford-parser*
stanford-corenlp*
build*
dist*
Lango.egg-info*
_build*
_templates*
*.pyc
================================================
FILE: LICENSE.txt
================================================
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
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
this service 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.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".x
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute 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 and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
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Thus, it is not the intent of this section to claim rights or contest
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exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
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years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
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customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
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distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
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except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
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the Program or works based on it.
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You are not responsible for enforcing compliance by third parties to
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infringement or for any other reason (not limited to patent issues),
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
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
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It is not the purpose of this section to induce you to infringe any
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such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
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of the 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
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Each version is given a distinguishing version number. If the Program
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later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
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Foundation.
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programs whose distribution conditions are different, write to the author
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Software Foundation, write to the Free Software Foundation; we sometimes
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of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, 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.
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE 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.
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
convey 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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.
================================================
FILE: docs/Makefile
================================================
# Makefile for Sphinx documentation
#
# You can set these variables from the command line.
SPHINXOPTS =
SPHINXBUILD = sphinx-build
PAPER =
BUILDDIR = _build
# User-friendly check for sphinx-build
ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
endif
# Internal variables.
PAPEROPT_a4 = -D latex_paper_size=a4
PAPEROPT_letter = -D latex_paper_size=letter
ALLSPHINXOPTS = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
# the i18n builder cannot share the environment and doctrees with the others
I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
.PHONY: help
help:
@echo "Please use \`make <target>' where <target> is one of"
@echo " html to make standalone HTML files"
@echo " dirhtml to make HTML files named index.html in directories"
@echo " singlehtml to make a single large HTML file"
@echo " pickle to make pickle files"
@echo " json to make JSON files"
@echo " htmlhelp to make HTML files and a HTML help project"
@echo " qthelp to make HTML files and a qthelp project"
@echo " applehelp to make an Apple Help Book"
@echo " devhelp to make HTML files and a Devhelp project"
@echo " epub to make an epub"
@echo " latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
@echo " latexpdf to make LaTeX files and run them through pdflatex"
@echo " latexpdfja to make LaTeX files and run them through platex/dvipdfmx"
@echo " text to make text files"
@echo " man to make manual pages"
@echo " texinfo to make Texinfo files"
@echo " info to make Texinfo files and run them through makeinfo"
@echo " gettext to make PO message catalogs"
@echo " changes to make an overview of all changed/added/deprecated items"
@echo " xml to make Docutils-native XML files"
@echo " pseudoxml to make pseudoxml-XML files for display purposes"
@echo " linkcheck to check all external links for integrity"
@echo " doctest to run all doctests embedded in the documentation (if enabled)"
@echo " coverage to run coverage check of the documentation (if enabled)"
.PHONY: clean
clean:
rm -rf $(BUILDDIR)/*
.PHONY: html
html:
$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
@echo
@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
.PHONY: dirhtml
dirhtml:
$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
@echo
@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
.PHONY: singlehtml
singlehtml:
$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
@echo
@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
.PHONY: pickle
pickle:
$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
@echo
@echo "Build finished; now you can process the pickle files."
.PHONY: json
json:
$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
@echo
@echo "Build finished; now you can process the JSON files."
.PHONY: htmlhelp
htmlhelp:
$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
@echo
@echo "Build finished; now you can run HTML Help Workshop with the" \
".hhp project file in $(BUILDDIR)/htmlhelp."
.PHONY: qthelp
qthelp:
$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
@echo
@echo "Build finished; now you can run "qcollectiongenerator" with the" \
".qhcp project file in $(BUILDDIR)/qthelp, like this:"
@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/lango.qhcp"
@echo "To view the help file:"
@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/lango.qhc"
.PHONY: applehelp
applehelp:
$(SPHINXBUILD) -b applehelp $(ALLSPHINXOPTS) $(BUILDDIR)/applehelp
@echo
@echo "Build finished. The help book is in $(BUILDDIR)/applehelp."
@echo "N.B. You won't be able to view it unless you put it in" \
"~/Library/Documentation/Help or install it in your application" \
"bundle."
.PHONY: devhelp
devhelp:
$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
@echo
@echo "Build finished."
@echo "To view the help file:"
@echo "# mkdir -p $$HOME/.local/share/devhelp/lango"
@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/lango"
@echo "# devhelp"
.PHONY: epub
epub:
$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
@echo
@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
.PHONY: latex
latex:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo
@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
@echo "Run \`make' in that directory to run these through (pdf)latex" \
"(use \`make latexpdf' here to do that automatically)."
.PHONY: latexpdf
latexpdf:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo "Running LaTeX files through pdflatex..."
$(MAKE) -C $(BUILDDIR)/latex all-pdf
@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
.PHONY: latexpdfja
latexpdfja:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo "Running LaTeX files through platex and dvipdfmx..."
$(MAKE) -C $(BUILDDIR)/latex all-pdf-ja
@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
.PHONY: text
text:
$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
@echo
@echo "Build finished. The text files are in $(BUILDDIR)/text."
.PHONY: man
man:
$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
@echo
@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
.PHONY: texinfo
texinfo:
$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@echo
@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
@echo "Run \`make' in that directory to run these through makeinfo" \
"(use \`make info' here to do that automatically)."
.PHONY: info
info:
$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@echo "Running Texinfo files through makeinfo..."
make -C $(BUILDDIR)/texinfo info
@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
.PHONY: gettext
gettext:
$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
@echo
@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
.PHONY: changes
changes:
$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
@echo
@echo "The overview file is in $(BUILDDIR)/changes."
.PHONY: linkcheck
linkcheck:
$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
@echo
@echo "Link check complete; look for any errors in the above output " \
"or in $(BUILDDIR)/linkcheck/output.txt."
.PHONY: doctest
doctest:
$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
@echo "Testing of doctests in the sources finished, look at the " \
"results in $(BUILDDIR)/doctest/output.txt."
.PHONY: coverage
coverage:
$(SPHINXBUILD) -b coverage $(ALLSPHINXOPTS) $(BUILDDIR)/coverage
@echo "Testing of coverage in the sources finished, look at the " \
"results in $(BUILDDIR)/coverage/python.txt."
.PHONY: xml
xml:
$(SPHINXBUILD) -b xml $(ALLSPHINXOPTS) $(BUILDDIR)/xml
@echo
@echo "Build finished. The XML files are in $(BUILDDIR)/xml."
.PHONY: pseudoxml
pseudoxml:
$(SPHINXBUILD) -b pseudoxml $(ALLSPHINXOPTS) $(BUILDDIR)/pseudoxml
@echo
@echo "Build finished. The pseudo-XML files are in $(BUILDDIR)/pseudoxml."
================================================
FILE: docs/conf.py
================================================
# -*- coding: utf-8 -*-
#
# lango documentation build configuration file, created by
# sphinx-quickstart on Wed May 25 00:07:47 2016.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
import sys
import os
import lango
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#sys.path.insert(0, os.path.abspath('.'))
# -- General configuration ------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
#needs_sphinx = '1.0'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
'sphinx.ext.autodoc',
'sphinxcontrib.napoleon',
'sphinx.ext.todo',
'sphinx.ext.viewcode',
]
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
# source_suffix = ['.rst', '.md']
source_suffix = '.rst'
# The encoding of source files.
#source_encoding = 'utf-8-sig'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = 'lango'
copyright = '2016, Michael Young'
author = 'Michael Young'
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = lango.__version__
# The full version, including alpha/beta/rc tags.
release = version
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = 'en'
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = ['_build']
# The reST default role (used for this markup: `text`) to use for all
# documents.
#default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []
# If true, keep warnings as "system message" paragraphs in the built documents.
#keep_warnings = False
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = True
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
html_theme = 'classic'
# Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the
# documentation.
#html_theme_options = {}
# Add any paths that contain custom themes here, relative to this directory.
#html_theme_path = []
# The name for this set of Sphinx documents. If None, it defaults to
# "<project> v<release> documentation".
#html_title = None
# A shorter title for the navigation bar. Default is the same as html_title.
#html_short_title = None
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
#html_logo = None
# The name of an image file (within the static path) to use as favicon of the
# docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#html_favicon = None
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
#html_extra_path = []
# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %Y'
# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}
# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}
# If false, no module index is generated.
#html_domain_indices = True
# If false, no index is generated.
#html_use_index = True
# If true, the index is split into individual pages for each letter.
#html_split_index = False
# If true, links to the reST sources are added to the pages.
#html_show_sourcelink = True
# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#html_show_sphinx = True
# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#html_show_copyright = True
# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it. The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''
# This is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = None
# Language to be used for generating the HTML full-text search index.
# Sphinx supports the following languages:
# 'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
# 'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr'
#html_search_language = 'en'
# A dictionary with options for the search language support, empty by default.
# Now only 'ja' uses this config value
#html_search_options = {'type': 'default'}
# The name of a javascript file (relative to the configuration directory) that
# implements a search results scorer. If empty, the default will be used.
#html_search_scorer = 'scorer.js'
# Output file base name for HTML help builder.
htmlhelp_basename = 'langodoc'
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#'preamble': '',
# Latex figure (float) alignment
#'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(master_doc, 'lango.tex', 'lango Documentation',
'Michael Young', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False
# If true, show page references after internal links.
#latex_show_pagerefs = False
# If true, show URL addresses after external links.
#latex_show_urls = False
# Documents to append as an appendix to all manuals.
#latex_appendices = []
# If false, no module index is generated.
#latex_domain_indices = True
# -- Options for manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(master_doc, 'lango', 'lango Documentation',
[author], 1)
]
# If true, show URL addresses after external links.
#man_show_urls = False
# -- Options for Texinfo output -------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(master_doc, 'lango', 'lango Documentation',
author, 'lango', 'One line description of project.',
'Miscellaneous'),
]
# Documents to append as an appendix to all manuals.
#texinfo_appendices = []
# If false, no module index is generated.
#texinfo_domain_indices = True
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#texinfo_show_urls = 'footnote'
# If true, do not generate a @detailmenu in the "Top" node's menu.
#texinfo_no_detailmenu = False
# -- Options for Epub output ----------------------------------------------
# Bibliographic Dublin Core info.
epub_title = project
epub_author = author
epub_publisher = author
epub_copyright = copyright
# The basename for the epub file. It defaults to the project name.
#epub_basename = project
# The HTML theme for the epub output. Since the default themes are not
# optimized for small screen space, using the same theme for HTML and epub
# output is usually not wise. This defaults to 'epub', a theme designed to save
# visual space.
#epub_theme = 'epub'
# The language of the text. It defaults to the language option
# or 'en' if the language is not set.
#epub_language = ''
# The scheme of the identifier. Typical schemes are ISBN or URL.
#epub_scheme = ''
# The unique identifier of the text. This can be a ISBN number
# or the project homepage.
#epub_identifier = ''
# A unique identification for the text.
#epub_uid = ''
# A tuple containing the cover image and cover page html template filenames.
#epub_cover = ()
# A sequence of (type, uri, title) tuples for the guide element of content.opf.
#epub_guide = ()
# HTML files that should be inserted before the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_pre_files = []
# HTML files that should be inserted after the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_post_files = []
# A list of files that should not be packed into the epub file.
epub_exclude_files = ['search.html']
# The depth of the table of contents in toc.ncx.
#epub_tocdepth = 3
# Allow duplicate toc entries.
#epub_tocdup = True
# Choose between 'default' and 'includehidden'.
#epub_tocscope = 'default'
# Fix unsupported image types using the Pillow.
#epub_fix_images = False
# Scale large images.
#epub_max_image_width = 0
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#epub_show_urls = 'inline'
# If false, no index is generated.
#epub_use_index = True
================================================
FILE: docs/index.rst
================================================
.. lango documentation master file, created by
sphinx-quickstart on Wed May 25 00:07:47 2016.
You can adapt this file completely to your liking, but it should at least
contain the root `toctree` directive.
Welcome to Lango's documentation!
=================================
.. toctree::
installation
matching
Reference
==========
.. toctree::
:maxdepth: 4
lango
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`
================================================
FILE: docs/installation.rst
================================================
Installation
=================================
Install package with pip
~~~~~~~~~~~~~~~~~~~~~~~~
::
pip install lango
Download Stanford CoreNLP
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Make sure you have Java installed for the Stanford CoreNLP to work.
`Download Stanford CoreNLP`_
Extract to any folder
Run Server
~~~~~~~~~~~~~~~~~~~~~~~~~
In extracted folder, run the following command to start the server:
::
java -mx4g -cp "*" edu.stanford.nlp.pipeline.StanfordCoreNLPServer
.. _Download Stanford CoreNLP: http://stanfordnlp.github.io/CoreNLP/#download
================================================
FILE: docs/lango.matcher.rst
================================================
lango.matcher module
====================
.. automodule:: lango.matcher
:members:
:undoc-members:
:show-inheritance:
================================================
FILE: docs/lango.parser.rst
================================================
lango.parser module
===================
.. automodule:: lango.parser
:members:
:undoc-members:
:show-inheritance:
================================================
FILE: docs/lango.rst
================================================
lango package
=============
Submodules
----------
.. toctree::
lango.matcher
lango.parser
Module contents
---------------
.. automodule:: lango
:members:
:undoc-members:
:show-inheritance:
================================================
FILE: docs/make.bat
================================================
@ECHO OFF
REM Command file for Sphinx documentation
if "%SPHINXBUILD%" == "" (
set SPHINXBUILD=sphinx-build
)
set BUILDDIR=_build
set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% .
set I18NSPHINXOPTS=%SPHINXOPTS% .
if NOT "%PAPER%" == "" (
set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
set I18NSPHINXOPTS=-D latex_paper_size=%PAPER% %I18NSPHINXOPTS%
)
if "%1" == "" goto help
if "%1" == "help" (
:help
echo.Please use `make ^<target^>` where ^<target^> is one of
echo. html to make standalone HTML files
echo. dirhtml to make HTML files named index.html in directories
echo. singlehtml to make a single large HTML file
echo. pickle to make pickle files
echo. json to make JSON files
echo. htmlhelp to make HTML files and a HTML help project
echo. qthelp to make HTML files and a qthelp project
echo. devhelp to make HTML files and a Devhelp project
echo. epub to make an epub
echo. latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter
echo. text to make text files
echo. man to make manual pages
echo. texinfo to make Texinfo files
echo. gettext to make PO message catalogs
echo. changes to make an overview over all changed/added/deprecated items
echo. xml to make Docutils-native XML files
echo. pseudoxml to make pseudoxml-XML files for display purposes
echo. linkcheck to check all external links for integrity
echo. doctest to run all doctests embedded in the documentation if enabled
echo. coverage to run coverage check of the documentation if enabled
goto end
)
if "%1" == "clean" (
for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
del /q /s %BUILDDIR%\*
goto end
)
REM Check if sphinx-build is available and fallback to Python version if any
%SPHINXBUILD% 1>NUL 2>NUL
if errorlevel 9009 goto sphinx_python
goto sphinx_ok
:sphinx_python
set SPHINXBUILD=python -m sphinx.__init__
%SPHINXBUILD% 2> nul
if errorlevel 9009 (
echo.
echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
echo.installed, then set the SPHINXBUILD environment variable to point
echo.to the full path of the 'sphinx-build' executable. Alternatively you
echo.may add the Sphinx directory to PATH.
echo.
echo.If you don't have Sphinx installed, grab it from
echo.http://sphinx-doc.org/
exit /b 1
)
:sphinx_ok
if "%1" == "html" (
%SPHINXBUILD% -b html %ALLSPHINXOPTS% %BUILDDIR%/html
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/html.
goto end
)
if "%1" == "dirhtml" (
%SPHINXBUILD% -b dirhtml %ALLSPHINXOPTS% %BUILDDIR%/dirhtml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/dirhtml.
goto end
)
if "%1" == "singlehtml" (
%SPHINXBUILD% -b singlehtml %ALLSPHINXOPTS% %BUILDDIR%/singlehtml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/singlehtml.
goto end
)
if "%1" == "pickle" (
%SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can process the pickle files.
goto end
)
if "%1" == "json" (
%SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can process the JSON files.
goto end
)
if "%1" == "htmlhelp" (
%SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can run HTML Help Workshop with the ^
.hhp project file in %BUILDDIR%/htmlhelp.
goto end
)
if "%1" == "qthelp" (
%SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can run "qcollectiongenerator" with the ^
.qhcp project file in %BUILDDIR%/qthelp, like this:
echo.^> qcollectiongenerator %BUILDDIR%\qthelp\lango.qhcp
echo.To view the help file:
echo.^> assistant -collectionFile %BUILDDIR%\qthelp\lango.ghc
goto end
)
if "%1" == "devhelp" (
%SPHINXBUILD% -b devhelp %ALLSPHINXOPTS% %BUILDDIR%/devhelp
if errorlevel 1 exit /b 1
echo.
echo.Build finished.
goto end
)
if "%1" == "epub" (
%SPHINXBUILD% -b epub %ALLSPHINXOPTS% %BUILDDIR%/epub
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The epub file is in %BUILDDIR%/epub.
goto end
)
if "%1" == "latex" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
if errorlevel 1 exit /b 1
echo.
echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "latexpdf" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
cd %BUILDDIR%/latex
make all-pdf
cd %~dp0
echo.
echo.Build finished; the PDF files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "latexpdfja" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
cd %BUILDDIR%/latex
make all-pdf-ja
cd %~dp0
echo.
echo.Build finished; the PDF files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "text" (
%SPHINXBUILD% -b text %ALLSPHINXOPTS% %BUILDDIR%/text
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The text files are in %BUILDDIR%/text.
goto end
)
if "%1" == "man" (
%SPHINXBUILD% -b man %ALLSPHINXOPTS% %BUILDDIR%/man
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The manual pages are in %BUILDDIR%/man.
goto end
)
if "%1" == "texinfo" (
%SPHINXBUILD% -b texinfo %ALLSPHINXOPTS% %BUILDDIR%/texinfo
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The Texinfo files are in %BUILDDIR%/texinfo.
goto end
)
if "%1" == "gettext" (
%SPHINXBUILD% -b gettext %I18NSPHINXOPTS% %BUILDDIR%/locale
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The message catalogs are in %BUILDDIR%/locale.
goto end
)
if "%1" == "changes" (
%SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
if errorlevel 1 exit /b 1
echo.
echo.The overview file is in %BUILDDIR%/changes.
goto end
)
if "%1" == "linkcheck" (
%SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
if errorlevel 1 exit /b 1
echo.
echo.Link check complete; look for any errors in the above output ^
or in %BUILDDIR%/linkcheck/output.txt.
goto end
)
if "%1" == "doctest" (
%SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
if errorlevel 1 exit /b 1
echo.
echo.Testing of doctests in the sources finished, look at the ^
results in %BUILDDIR%/doctest/output.txt.
goto end
)
if "%1" == "coverage" (
%SPHINXBUILD% -b coverage %ALLSPHINXOPTS% %BUILDDIR%/coverage
if errorlevel 1 exit /b 1
echo.
echo.Testing of coverage in the sources finished, look at the ^
results in %BUILDDIR%/coverage/python.txt.
goto end
)
if "%1" == "xml" (
%SPHINXBUILD% -b xml %ALLSPHINXOPTS% %BUILDDIR%/xml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The XML files are in %BUILDDIR%/xml.
goto end
)
if "%1" == "pseudoxml" (
%SPHINXBUILD% -b pseudoxml %ALLSPHINXOPTS% %BUILDDIR%/pseudoxml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The pseudo-XML files are in %BUILDDIR%/pseudoxml.
goto end
)
:end
================================================
FILE: docs/matching.rst
================================================
Matching
--------
Matching is done by comparing a set rules and matching it with a parse
tree. You can see parse trees for sentences from
examples/parser\_input.py.
The set of rules is recursive and can match multiple parts of the parse
tree.
Rules can be broken down into smaller parts: - Tag - Token - Token Tree
- Rules
Tag
~~~
A tag is a POS (part of speech) tag to match. A list of POS tags used by
the Stanford Parser can be found `here`_.
::
Format:
tag = string
Example:
'NP'
'VP'
'PP'
Token
~~~~~
A token is a string comprising of a tag and modifiers/labels for matching. We specify a match_label to match the tag to. We can specify opts for extracting the string from a tree. We can specify eq for matching the tree to a string.
::
Example string:
The red car
opts
-o Get object by removing "a", "the", etc. (Ex. red car)
-r Get raw string (Ex. The red car)
::
Format: (only tag is required)
token = tag:match_label-opts=eq
Example:
'VP'
'NP:subject-o'
'NP:np'
'VP=run'
'VP:action=run'
Token Tree
~~~~~~~~~~
A token tree is a recursive tree of tokens. The tree matches the
structure of a parse tree.
::
Format:
token_tree = ( token token_tree token_tree ... )
Examples:
'( NP ( DT ) ( NP:subject-o ) )'
'( NP )'
'( PP ( TO=to ) ( NP:object-o ) )'
Rules
~~~~~
Rules are a dictionary of token trees to dictionaries of matching labels
to a nested set of rules.
::
Format:
rules = {token_tree: {match_label: rules}}
Example:
{
'( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )': {
'np': {
'( NP:subject-o )': {}
},
'pp': {
'( PP ( TO=to ) ( NP:to_object-o ) )': {},
'( PP ( IN=from ) ( NP:from_object-o ) )': {},
}
},
}
When matching a rule to a parse tree, the token tree is first matched.
Then, all matching tags are matched to nested rules corresponding to
their matching label.
All nested match labels must have a subrule match or the rules will not
match.
The first rule to match is returned so the order of match is based on
key ordering (use OrderedDict if order matters). Once a rule is matched,
it calls the callback function with the context as arguments.
Example
~~~~~~~
Suppose we have the sentence “Sam ran to his house” and we wanted to
match the subject (“Sam”), the object to (“his house”) and the action
(“ran”).
Sample parse tree for “Sam ran to his house” from the Stanford Parser.
::
(S
(NP
(NNP Sam)
)
(VP
(VBD ran)
(PP
(TO to)
(NP
(PRP$ his)
(NN house)
)
)
)
)
Simplified image of tree:
.. figure:: /_static/img/sent_tree.png
:alt: tree
tree
::
Matching:
Parse Tree:
(S (NP (NNP Sam) ) (VP (VBD ran) (PP (TO to) (NP (PRP$ his) (NN house))))
Matched token tree: '( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )'
Matched context:
np: (NP (NNP Sam))
action-o: 'ran'
pp: (PP (TO to) (NP (PRP$ his) (NN house)))
Rule for ‘( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )’:
.. figure:: /_static/img/rule_tree_1.png
:alt: tree
tree
Matching ‘NP’ matches the whole NP tree and converts to a word:
.. _here: https://www.ling.upenn.edu/courses/Fall_2003/ling001/penn_treebank_pos.html
::
Matched token tree for np: '( NP:subject-o )'
Matched context:
subject-o: 'Sam'
Matching ‘PP’ requires matching the nested rules:
::
Match token tree for pp: '( PP ( TO=to ) ( NP:to_object-o ) )'
Match context:
object-o: 'his house'
Match token tree for pp: '( PP ( IN=from ) ( NP:from_object-o ) )'
No match found
PP of the sample sentence:
.. figure:: /_static/img/sent_tree_pp.png
:alt: tree
tree
Nested PP rules:
|tree2| |tree3|
Only the first rule matches for ‘PP’.
Now that we have a match for all nested rules, we can return the
context:
::
Returned context:
action: 'ran'
subject: 'sam'
to_object: 'his house'
Full code:
.. code:: python
from lango.parser import StanfordLibParser
from lango.matcher import match_rules
parser = StanfordLibParser()
rules = {
'( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )': {
'np': {
'( NP:subject-o )': {}
},
'pp': {
'( PP ( TO=to ) ( NP:to_object-o ) )': {},
'( PP ( IN=from ) ( NP:from_object-o ) )': {}
}
}
}
def fun(subject, action, to_object=None, from_object=None):
print "%s,%s,%s,%s" % (subject, action, to_object, from_object)
tree = parser.parse('Sam ran to his house')
match_rules(tree, rules, fun)
# output should be: sam, ran, his house, None
tree = parser.parse('Billy walked from his apartment')
match_rules(tree, rules, fun)
# output should be: billy, walked, None, his apartment
.. |tree2| image:: /_static/img/rule_tree_2.png
.. |tree3| image:: /_static/img/rule_tree_3.png
================================================
FILE: docs/modules.rst
================================================
lango
=====
.. toctree::
:maxdepth: 4
lango
================================================
FILE: docs.md
================================================
# Docs
Pip Installs
```
sphinx-autobuild==0.6.0
sphinx-rtd-theme==0.1.9
sphinxcontrib-napoleon==0.5.0
```
Generate docs
```
sphinx-apidoc -f -e -o docs lango
cd docs
make html
```
## Development
```
python setup.py develop
```
================================================
FILE: examples/matching.py
================================================
from collections import OrderedDict
import os
from lango.parser import StanfordServerParser
from lango.matcher import match_rules
parser = StanfordServerParser()
sents = [
'Call me an Uber.',
'Get my mother some flowers.',
'Find me a pizza with extra cheese.',
'Give Sam\'s dog a biscuit from Petshop.'
]
"""
me.call({'item': u'uber'})
my.mother.get({'item': u'flowers'})
me.order({'item': u'pizza', u'with': u'extra cheese'})
sam.dog.give({'item': u'biscuit', u'from': u'petshop'})
"""
subj_obj_rules = {
'subj_t': OrderedDict([
# my brother / my mother
('( NP ( PRP$:subject-o=my ) ( NN:relation-o ) )', {}),
# Sam's dog
('( NP ( NP ( NNP:subject-o ) ( POS ) ) ( NN:relation-o ) )', {}),
# me
('( NP:subject-o )', {}),
]),
'obj_t': OrderedDict([
# pizza with onions
('( NP ( NP:item-O ) ( PP ( IN:item_in-O ) ( NP:item_addon-O ) ) )', {}),
# pizza
('( NP:item-O )', {}),
])
}
rules = {
# Get me a pizza
'( S ( VP ( VB:action-o ) ( S ( NP:subj_t ) ( NP:obj_t ) ) ) )': subj_obj_rules,
# Get my mother flowers
'( S ( VP ( VB:action-o ) ( NP:subj_t ) ( NP:obj_t ) ) )': subj_obj_rules,
}
def perform_action(action, item, subject, relation=None,
item_addon=None, item_in=None):
entity = subject
if entity == "my":
entity = "me"
if relation:
entity = '{0}.{1}'.format(entity, relation)
item_props = {'item': item}
if item_in and item_addon:
item_props[item_in] = item_addon
return '{0}.{1}({2})'.format(entity, action, item_props)
for sent in sents:
tree = parser.parse(sent)
print(match_rules(tree, rules, perform_action))
================================================
FILE: examples/multimatch.py
================================================
from collections import OrderedDict
import os
from lango.parser import StanfordServerParser
from lango.matcher import match_rules
parser = StanfordServerParser()
sents = [
'What religion is the President of the United States?'
]
rules = {
'( SBARQ ( WHNP/WHADVP:wh_t ) ( SQ ( VBZ ) ( NP:np_t ) ) )': {
'np_t': {
'( NP ( NP:subj-o ) ( PP ( IN:subj_in-o ) ( NP:obj-o ) ) )': {},
'( NP:subj-o )': {},
},
'wh_t': {
'( WHNP:whnp ( WDT ) ( NN:prop-o ) )': {},
'( WHNP/WHADVP:qtype-o )': {},
}
},
'( SBARQ:subj-o )': {},
}
keys = ['subj', 'subj_in', 'obj', 'prop', 'qtype']
for sent in sents:
tree = parser.parse(sent)
contexts = match_rules(tree, rules, multi=True)
for context in contexts:
print(", ".join(['%s:%s' % (k, context.get(k)) for k in keys]))
"""
5 possible matches:
subj:president of united states, subj_in:None, obj:None, prop:religion, qtype:None
subj:president of united states, subj_in:None, obj:None, prop:None, qtype:what religion
subj:president, subj_in:of, obj:united states, prop:religion, qtype:None
subj:president, subj_in:of, obj:united states, prop:None, qtype:what religion
subj:what religion is president of united states ?, subj_in:None, obj:None, prop:None, qtype:None
"""
================================================
FILE: examples/parser_input.py
================================================
import os
from lango.parser import StanfordServerParser
from lango.matcher import match_rules
def main():
parser = StanfordServerParser()
while True:
try:
line = input("Enter line: ")
tree = parser.parse(line)
tree.pretty_print()
except EOFError:
print("Bye!")
sys.exit(0)
if __name__ == "__main__":
main()
================================================
FILE: lango/__init__.py
================================================
"""
Lango is a natural language framework for matching parse trees
and modeling conversations.
"""
__version__ = '0.21.0'
================================================
FILE: lango/matcher.py
================================================
from nltk import Tree
import logging
logger = logging.getLogger(__name__)
def match_rules(tree, rules, fun=None, multi=False):
"""Matches a Tree structure with the given query rules.
Query rules are represented as a dictionary of template to action.
Action is either a function, or a dictionary of subtemplate parameter to rules::
rules = { 'template' : { 'key': rules } }
| { 'template' : {} }
Args:
tree (Tree): Parsed tree structure
rules (dict): A dictionary of query rules
fun (function): Function to call with context (set to None if you want to return context)
multi (Bool): If True, returns all matched contexts, else returns first matched context
Returns:
Contexts from matched rules
"""
if multi:
context = match_rules_context_multi(tree, rules)
else:
context = match_rules_context(tree, rules)
if not context:
return None
if fun:
args = fun.__code__.co_varnames
if multi:
res = []
for c in context:
action_context = {}
for arg in args:
if arg in c:
action_context[arg] = c[arg]
res.append(fun(**action_context))
return res
else:
action_context = {}
for arg in args:
if arg in context:
action_context[arg] = context[arg]
return fun(**action_context)
else:
return context
def match_rules_context(tree, rules, parent_context={}):
"""Recursively matches a Tree structure with rules and returns context
Args:
tree (Tree): Parsed tree structure
rules (dict): See match_rules
parent_context (dict): Context of parent call
Returns:
dict: Context matched dictionary of matched rules or
None if no match
"""
for template, match_rules in rules.items():
context = parent_context.copy()
if match_template(tree, template, context):
for key, child_rules in match_rules.items():
child_context = match_rules_context(context[key], child_rules, context)
if child_context:
for k, v in child_context.items():
context[k] = v
else:
return None
return context
return None
def cross_context(contextss):
"""
Cross product of all contexts
[[a], [b], [c]] -> [[a] x [b] x [c]]
"""
if not contextss:
return []
product = [{}]
for contexts in contextss:
tmp_product = []
for c in contexts:
for ce in product:
c_copy = c.copy()
c_copy.update(ce)
tmp_product.append(c_copy)
product = tmp_product
return product
def match_rules_context_multi(tree, rules, parent_context={}):
"""Recursively matches a Tree structure with rules and returns context
Args:
tree (Tree): Parsed tree structure
rules (dict): See match_rules
parent_context (dict): Context of parent call
Returns:
dict: Context matched dictionary of matched rules or
None if no match
"""
all_contexts = []
for template, match_rules in rules.items():
context = parent_context.copy()
if match_template(tree, template, context):
child_contextss = []
if not match_rules:
all_contexts += [context]
else:
for key, child_rules in match_rules.items():
child_contextss.append(match_rules_context_multi(context[key], child_rules, context))
all_contexts += cross_context(child_contextss)
return all_contexts
def match_template(tree, template, args=None):
"""Check if match string matches Tree structure
Args:
tree (Tree): Parsed Tree structure of a sentence
template (str): String template to match. Example: "( S ( NP ) )"
Returns:
bool: If they match or not
"""
tokens = get_tokens(template.split())
cur_args = {}
if match_tokens(tree, tokens, cur_args):
if args is not None:
for k, v in cur_args.items():
args[k] = v
logger.debug('MATCHED: {0}'.format(template))
return True
else:
return False
def match_tokens(tree, tokens, args):
"""Check if stack of tokens matches the Tree structure
Special matching rules that can be specified in the template::
':label': Label a token, the token will be returned as part of the context with key 'label'.
'-@': Additional single letter argument determining return format of labeled token. Valid options are:
'-r': Return token as word
'-o': Return token as object
'=word|word2|....|wordn': Force match raw lower case
'$': Match end of tree
Args:
tree : Parsed tree structure
tokens : Stack of tokens
Returns:
Boolean if they match or not
"""
arg_type_to_func = {
'r': get_raw_lower,
'R': get_raw,
'o': get_object_lower,
'O': get_object,
}
if len(tokens) == 0:
return True
if not isinstance(tree, Tree):
return False
root_token = tokens[0]
# Equality
if root_token.find('=') >= 0:
eq_tokens = root_token.split('=')[1].lower().split('|')
root_token = root_token.split('=')[0]
word = get_raw_lower(tree)
if word not in eq_tokens:
return False
# Get arg
if root_token.find(':') >= 0:
arg_tokens = root_token.split(':')[1].split('-')
if len(arg_tokens) == 1:
arg_name = arg_tokens[0]
args[arg_name] = tree
else:
arg_name = arg_tokens[0]
arg_type = arg_tokens[1]
args[arg_name] = arg_type_to_func[arg_type](tree)
root_token = root_token.split(':')[0]
# Does not match wild card and label does not match
if root_token != '.' and tree.label() not in root_token.split('/'):
return False
# Check end symbol
if tokens[-1] == '$':
if len(tree) != len(tokens[:-1]) - 1:
return False
else:
tokens = tokens[:-1]
# Check # of tokens
if len(tree) < len(tokens) - 1:
return False
for i in range(len(tokens) - 1):
if not match_tokens(tree[i], tokens[i + 1], args):
return False
return True
def get_tokens(tokens):
"""Recursively gets tokens from a match list
Args:
tokens : List of tokens ['(', 'S', '(', 'NP', ')', ')']
Returns:
Stack of tokens
"""
tokens = tokens[1:-1]
ret = []
start = 0
stack = 0
for i in range(len(tokens)):
if tokens[i] == '(':
if stack == 0:
start = i
stack += 1
elif tokens[i] == ')':
stack -= 1
if stack < 0:
raise Exception('Bracket mismatch: ' + str(tokens))
if stack == 0:
ret.append(get_tokens(tokens[start:i + 1]))
else:
if stack == 0:
ret.append(tokens[i])
if stack != 0:
raise Exception('Bracket mismatch: ' + str(tokens))
return ret
def get_object(tree):
"""Get the object in the tree object.
Method should remove unnecessary letters and words::
the
a/an
's
Args:
tree (Tree): Parsed tree structure
Returns:
Resulting string of tree ``(Ex: "red car")``
"""
if isinstance(tree, Tree):
if tree.label() == 'DT' or tree.label() == 'POS':
return ''
words = []
for child in tree:
words.append(get_object(child))
return ' '.join([_f for _f in words if _f])
else:
return tree
def get_object_lower(tree):
return get_object(tree).lower()
def get_raw(tree):
"""Get the exact words in lowercase in the tree object.
Args:
tree (Tree): Parsed tree structure
Returns:
Resulting string of tree ``(Ex: "The red car")``
"""
if isinstance(tree, Tree):
words = []
for child in tree:
words.append(get_raw(child))
return ' '.join(words)
else:
return tree
def get_raw_lower(tree):
return get_raw(tree).lower()
================================================
FILE: lango/parser.py
================================================
from nltk.parse.stanford import StanfordParser, GenericStanfordParser
from nltk.internals import find_jars_within_path
from nltk.tree import Tree
from pycorenlp import StanfordCoreNLP
class Parser:
"""Abstract Parser class"""
def __init__():
pass
def parse(self, sent):
pass
class OldStanfordLibParser(Parser):
"""For StanfordParser < 3.6.0"""
def __init__(self):
self.parser = StanfordParser()
def parse(self, line):
"""Returns tree objects from a sentence
Args:
line: Sentence to be parsed into a tree
Returns:
Tree object representing parsed sentence
None if parse fails
"""
tree = list(self.parser.raw_parse(line))[0]
tree = tree[0]
return tree
class StanfordLibParser(OldStanfordLibParser):
"""For StanfordParser == 3.6.0"""
def __init__(self):
self.parser = StanfordParser(
model_path='edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz')
stanford_dir = self.parser._classpath[0].rpartition('/')[0]
self.parser._classpath = tuple(find_jars_within_path(stanford_dir))
class StanfordServerParser(Parser, GenericStanfordParser):
"""Follow the readme to setup the Stanford CoreNLP server"""
def __init__(self, host='localhost', port=9000, properties={}):
url = 'http://{0}:{1}'.format(host, port)
self.nlp = StanfordCoreNLP(url)
if not properties:
self.properties = {
'annotators': 'parse',
'outputFormat': 'json',
}
else:
self.properties = properties
def _make_tree(self, result):
return Tree.fromstring(result)
def parse(self, sent):
output = self.nlp.annotate(sent, properties=self.properties)
# Got random html, return empty tree
if isinstance(output, str):
return Tree('', [])
parse_output = output['sentences'][0]['parse'] + '\n\n'
tree = next(next(self._parse_trees_output(parse_output)))[0]
return tree
================================================
FILE: readme.md
================================================
# Lango
[](https://gitter.im/lango-nlp/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
Lango is a natural language processing library for working with the building blocks of language. It includes tools for:
* matching [constituent parse trees](https://en.wikipedia.org/wiki/Parse_tree#Constituency-based_parse_trees).
* modeling conversations (TODO)
Need help? Ask me for help on [Gitter](https://gitter.im/lango-nlp/Lobby)
## Installation
### Install package with pip
```
pip install lango
```
### Download Stanford CoreNLP
Make sure you have Java installed for the Stanford CoreNLP to work.
[Download Stanford CoreNLP](http://stanfordnlp.github.io/CoreNLP/#download)
Extract to any folder
### Run the Stanford CoreNLP server
Run the following command in the folder where you extracted Stanford CoreNLP
```
java -mx4g -cp "*" edu.stanford.nlp.pipeline.StanfordCoreNLPServer
```
## Docs
- [Blog Post](http://blog.ayoungprogrammer.com/2016/07/natural-language-understanding-by.html/)
- [Read the docs](http://lango.readthedocs.io/en/latest/)
- [Examples](http://github.com/ayoungprogrammer/lango/tree/master/examples)
## Matching
Matching is done by comparing a set rules and matching it with a parse tree. You
can see parse trees for sentences from examples/parser_input.py.
The set of rules is recursive and can match multiple parts of the parse tree.
Rules can be broken down into smaller parts:
- Tag
- Token
- Token Tree
- Rules
### Tag
A tag is a POS (part of speech) tag to match. A list of POS tags used by the Stanford Parser can be found [here](https://www.ling.upenn.edu/courses/Fall_2003/ling001/penn_treebank_pos.html).
```
Format:
tag = string
Example:
'NP'
'VP'
'PP'
```
### Token
A token is a string comprising of a tag and modifiers/labels for matching. We specify a match_label to match the tag to. We can specify opts for extracting the string from a tree. We can specify eq for matching the tree to a string.
```
Example string:
The red car
opts:
-o Get object by removing "a", "the", etc. (Ex. red car)
-r Get raw string (Ex. The red car)
```
```
Format: (only tag is required)
token = tag:match_label-opts=eq
Example:
'VP'
'NP:subject-o'
'NP:np'
'VP=run'
'VP:action=run'
```
### Token Tree
A token tree is a recursive tree of tokens. The tree matches the structure of a parse tree.
```
Format:
token_tree = ( token token_tree token_tree ... )
Examples:
'( NP ( DT ) ( NP:subject-o ) )'
'( NP )'
'( PP ( TO=to ) ( NP:object-o ) )'
```
### Rules
Rules are a dictionary of token trees to dictionaries of matching labels to a
nested set of rules.
```
Format:
rules = {token_tree: {match_label: rules}}
Example:
{
'( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )': {
'np': {
'( NP:subject-o )': {}
},
'pp': {
'( PP ( TO=to ) ( NP:to_object-o ) )': {},
'( PP ( IN=from ) ( NP:from_object-o ) )': {},
}
},
}
```
When matching a rule to a parse tree, the token tree is first matched. Then, all
matching tags are matched to nested rules corresponding to their matching label.
All nested match labels must have a subrule match or the rules will not match.
The first rule to match is returned so the order of match is based on key
ordering (use OrderedDict if order matters). Once a rule is matched, it calls
the callback function with the context as arguments.
### Example
Suppose we have the sentence "Sam ran to his house" and we wanted to match the
subject ("Sam"), the object ("his house") and the action ("ran").
Sample parse tree for "Sam ran to his house" from the Stanford Parser.
```
(S
(NP
(NNP Sam)
)
(VP
(VBD ran)
(PP
(TO to)
(NP
(PRP$ his)
(NN house)
)
)
)
)
```
Simplified image of tree:
```
Matching:
Parse Tree:
(S (NP (NNP Sam) ) (VP (VBD ran) (PP (TO to) (NP (PRP$ his) (NN house))))
Matched token tree: '( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )'
Matched context:
np: (NP (NNP Sam))
action-o: 'ran'
pp: (PP (TO to) (NP (PRP$ his) (NN house)))
```
Rule for '( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )':
Matching 'NP' matches the whole NP tree and converts to a word:
```
Matched token tree for np: '( NP:subject-o )'
Matched context:
subject-o: 'Sam'
```
Matching 'PP' requires matching the nested rules:
```
Match token tree for pp: '( PP ( TO=to ) ( NP:to_object-o ) )'
Match context:
object-o: 'his house'
Match token tree for pp: '( PP ( IN=from ) ( NP:from_object-o ) )'
No match found
```
PP of the sample sentence:
Nested PP rules:
Only the first rule matches for 'PP'.
Now that we have a match for all nested rules, we can return the context:
```
Returned context:
action: 'ran'
subject: 'sam'
to_object: 'his house'
```
Full code:
```python
from lango.parser import StanfordServerParser
from lango.matcher import match_rules
parser = StanfordServerParser()
rules = {
'( S ( NP:np ) ( VP ( VBD:action-o ) ( PP:pp ) ) )': {
'np': {
'( NP:subject-o )': {}
},
'pp': {
'( PP ( TO=to ) ( NP:to_object-o ) )': {},
'( PP ( IN=from ) ( NP:from_object-o ) )': {}
}
}
}
def fun(subject, action, to_object=None, from_object=None):
print "%s,%s,%s,%s" % (subject, action, to_object, from_object)
tree = parser.parse('Sam ran to his house')
match_rules(tree, rules, fun)
# output should be: sam, ran, his house, None
tree = parser.parse('Billy walked from his apartment')
match_rules(tree, rules, fun)
# output should be: billy, walked, None, his apartment
```
================================================
FILE: requirements.txt
================================================
nltk==3.1
pycorenlp==0.3.0
================================================
FILE: setup.py
================================================
from setuptools import find_packages, setup
import lango
setup(
name='Lango',
version=lango.__version__,
description='Natural Language Framework for Matching Parse Trees and Modeling Conversation',
packages=find_packages(),
author='Michael Young',
author_email='michaelyoung1995@gmail.com',
url='https://github.com/ayoungprogrammer/lango',
scripts=[],
install_requires=[
'nltk',
'pycorenlp'
],
)
gitextract_ngclx9sm/ ├── .gitignore ├── LICENSE.txt ├── docs/ │ ├── Makefile │ ├── conf.py │ ├── index.rst │ ├── installation.rst │ ├── lango.matcher.rst │ ├── lango.parser.rst │ ├── lango.rst │ ├── make.bat │ ├── matching.rst │ └── modules.rst ├── docs.md ├── examples/ │ ├── matching.py │ ├── multimatch.py │ └── parser_input.py ├── lango/ │ ├── __init__.py │ ├── matcher.py │ └── parser.py ├── readme.md ├── requirements.txt └── setup.py
SYMBOL INDEX (25 symbols across 4 files)
FILE: examples/matching.py
function perform_action (line 49) | def perform_action(action, item, subject, relation=None,
FILE: examples/parser_input.py
function main (line 6) | def main():
FILE: lango/matcher.py
function match_rules (line 6) | def match_rules(tree, rules, fun=None, multi=False):
function match_rules_context (line 50) | def match_rules_context(tree, rules, parent_context={}):
function cross_context (line 74) | def cross_context(contextss):
function match_rules_context_multi (line 95) | def match_rules_context_multi(tree, rules, parent_context={}):
function match_template (line 119) | def match_template(tree, template, args=None):
function match_tokens (line 140) | def match_tokens(tree, tokens, args):
function get_tokens (line 214) | def get_tokens(tokens):
function get_object (line 245) | def get_object(tree):
function get_object_lower (line 270) | def get_object_lower(tree):
function get_raw (line 274) | def get_raw(tree):
function get_raw_lower (line 291) | def get_raw_lower(tree):
FILE: lango/parser.py
class Parser (line 7) | class Parser:
method __init__ (line 9) | def __init__():
method parse (line 12) | def parse(self, sent):
class OldStanfordLibParser (line 16) | class OldStanfordLibParser(Parser):
method __init__ (line 19) | def __init__(self):
method parse (line 22) | def parse(self, line):
class StanfordLibParser (line 37) | class StanfordLibParser(OldStanfordLibParser):
method __init__ (line 39) | def __init__(self):
class StanfordServerParser (line 46) | class StanfordServerParser(Parser, GenericStanfordParser):
method __init__ (line 48) | def __init__(self, host='localhost', port=9000, properties={}):
method _make_tree (line 60) | def _make_tree(self, result):
method parse (line 63) | def parse(self, sent):
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"path": "examples/parser_input.py",
"chars": 398,
"preview": "\nimport os\nfrom lango.parser import StanfordServerParser\nfrom lango.matcher import match_rules\n\ndef main():\n parser ="
},
{
"path": "lango/__init__.py",
"chars": 122,
"preview": "\"\"\"\nLango is a natural language framework for matching parse trees \nand modeling conversations.\n\"\"\"\n__version__ = '0.21."
},
{
"path": "lango/matcher.py",
"chars": 8529,
"preview": "from nltk import Tree\nimport logging\n\nlogger = logging.getLogger(__name__)\n\ndef match_rules(tree, rules, fun=None, multi"
},
{
"path": "lango/parser.py",
"chars": 2100,
"preview": "from nltk.parse.stanford import StanfordParser, GenericStanfordParser\nfrom nltk.internals import find_jars_within_path\nf"
},
{
"path": "readme.md",
"chars": 5889,
"preview": "# Lango\n\n[](https://gitter.im/lango-nlp/Lobby?utm_source=badge&ut"
},
{
"path": "requirements.txt",
"chars": 26,
"preview": "nltk==3.1\npycorenlp==0.3.0"
},
{
"path": "setup.py",
"chars": 453,
"preview": "from setuptools import find_packages, setup\nimport lango\n\nsetup(\n name='Lango',\n version=lango.__version__,\n de"
}
]
About this extraction
This page contains the full source code of the ayoungprogrammer/Lango GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 22 files (70.2 KB), approximately 19.4k tokens, and a symbol index with 25 extracted functions, classes, methods, constants, and types. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.