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File Scraper Reference

This lists the docs that use FileScraper and instructions for building some of them.

If you open a PR to update one of these docs, please add/fix the instructions.

Dart

Click the “API docs” link under the “Stable channel” header on https://www.dartlang.org/tools/sdk/archive. Rename the expanded ZIP to dart~2 and put it in docs/

Or run the following commands in your terminal:

curl https://storage.googleapis.com/dart-archive/channels/stable/release/$RELEASE/api-docs/dartdocs-gen-api.zip > dartApi.zip; \
unzip dartApi.zip; mv gen-dartdocs docs/dart~$VERSION

date-fns

git clone https://github.com/date-fns/date-fns docs/date_fns
cd docs/date_fns
git checkout v2.29.2
yarn install
node scripts/build/docs.js
ls tmp/docs.json

Django

Go to https://docs.djangoproject.com/, select the version from the bubble in the bottom-right corner, then download the HTML version from the sidebar.

mkdir --parent docs/django\~$VERSION/; \
curl https://media.djangoproject.com/docs/django-docs-$VERSION-en.zip | \
bsdtar --extract --file - --directory=docs/django\~$VERSION/

Elisp

Go to https://www.gnu.org/software/emacs/manual/elisp.html, download the HTML tarball and extract its content in docs/elisp or run the following command:

mkdir docs/elisp \
&& curl curl https://www.gnu.org/software/emacs/manual/elisp.html_node.tar.gz | \
tar --extract --gzip --strip-components=1 --directory=docs/elisp

Erlang

Go to https://www.erlang.org/downloads and download the HTML documentation file.

mkdir --parent docs/erlang\~$VERSION/; \
curl -L https://github.com/erlang/otp/releases/download/OTP-$RELEASE/otp_doc_html_$RELEASE.tar.gz | \
bsdtar --extract --file - --directory=docs/erlang\~$VERSION/

Gnu

Bash

Go to https://www.gnu.org/software/bash/manual/, download the HTML tar file (with one web page per node) and extract its content in docs/bash or run the following command:

mkdir docs/bash \
&& curl https://www.gnu.org/software/bash/manual/bash.html_node.tar.gz | \
tar --extract --gzip --directory=docs/bash

GCC

Go to https://gcc.gnu.org/onlinedocs/ and download the HTML tarball of GCC Manual and GCC CPP manual or run the following commands to download the tarballs:

# GCC manual
mkdir docs/gcc~${VERSION}; \
curl https://gcc.gnu.org/onlinedocs/gcc-$RELEASE/gcc-html.tar.gz | \
tar --extract --gzip --strip-components=1 --directory=docs/gcc~${VERSION}

# GCC CPP manual
mkdir docs/gcc~${VERSION}_cpp; \
curl https://gcc.gnu.org/onlinedocs/gcc-$RELEASE/cpp-html.tar.gz | \
tar --extract --gzip --strip-components=1 --directory=docs/gcc~${VERSION}_cpp

GNU Fortran

Go to https://gcc.gnu.org/onlinedocs/ and download the HTML tarball of Fortran manual or run the following commands to download the tarball:

mkdir docs/gnu_fortran~$VERSION; \
curl https://gcc.gnu.org/onlinedocs/gcc-$RELEASE/gfortran-html.tar.gz | \
tar --extract --gzip --strip-components=1 --directory=docs/gnu_fortran~$VERSION

GNU Make

Go to https://www.gnu.org/software/make/manual/, download the HTML tarball and extract its content in docs/gnu_make or run the following command:

mkdir docs/gnu_make \
&& curl https://www.gnu.org/software/make/manual/make.html_node.tar.gz | \
tar --extract --gzip --strip-components=1 --directory=docs/gnu_make

Gnuplot

The most recent release can be found near the bottom of https://sourceforge.net/p/gnuplot/gnuplot-main/ref/master/tags/

DEVDOCS_ROOT=/path/to/devdocs
mkdir gnuplot-src $DEVDOCS_ROOT/docs/gnuplot
git clone -b $RELEASE --depth 1 https://git.code.sf.net/p/gnuplot/gnuplot-main ./gnuplot-src
cd gnuplot-src/
./prepare
./configure
cd docs/
make nofigures.tex
latex2html -html 5.0,math -split 4 -link 8 -long_titles 5 -dir $DEVDOCS_ROOT/docs/gnuplot -ascii_mode -no_auto_link nofigures.tex

To install latex2html on macOS: brew install basictex latex2html, then edit /usr/local/Cellar/latex2html/2019.2/l2hconf.pm to include the path to LaTeX:

On line 21 (approximately):

#  Give the paths to latex and dvips on your system:
#
$LATEX = '/Library/TeX/texbin/latex';	# LaTeX
$PDFLATEX = '/Library/TeX/texbin/pdflatex';	# pdfLaTeX
$LUALATEX = '/Library/TeX/texbin/lualatex';	# LuaLaTeX
$DVILUALATEX = '/Library/TeX/texbin/dvilualatex';	# dviLuaLaTeX
$DVIPS = '/Library/TeX/texbin/dvips';	# dvips
$DVIPNG = '';	# dvipng
$PDFTOCAIRO = '/usr/local/bin/pdf2svg';	# pdf to svg converter
$PDFCROP = '';	# pdfcrop
$GS = '/usr/local/opt/ghostscript/bin/gs';	# GhostScript

Man

wget --recursive --no-parent https://man7.org/linux/man-pages/
mv man7.org/linux/man-pages/ docs/man/

NumPy

mkdir --parent docs/numpy~$VERSION/; \
curl https://numpy.org/doc/$VERSION/numpy-html.zip | \
bsdtar --extract --file=- --directory=docs/numpy~$VERSION/

OCaml

Download from https://www.ocaml.org/docs/ the HTML reference: https://v2.ocaml.org/releases/4.14/ocaml-4.14-refman-html.tar.gz and extract it as docs/ocaml:

curl https://v2.ocaml.org/releases/$VERSION/ocaml-$VERSION-refman-html.tar.gz | \
tar xz --transform 's/htmlman/ocaml/' --directory docs/

OpenGL

cd docs/
git clone https://github.com/KhronosGroup/OpenGL-Refpages.git
ln -s OpenGL-Refpages/gl4/html/ opengl~4
ln -s OpenGL-Refpages/gl2.1/xhtml/ opengl~2.1

OpenJDK

Search 'Openjdk' in https://www.debian.org/distrib/packages, find the openjdk-$VERSION-doc package, download it, extract it with dpkg -x $PACKAGE ./ and move ./usr/share/doc/openjdk-16-jre-headless/api/ to path/to/devdocs/docs/openjdk~$VERSION

curl -O http://ftp.at.debian.org/debian/pool/main/o/openjdk-21/openjdk-21-doc_21.0.2+13-2_all.deb
tar xf openjdk-21-doc_21.0.2+13-2_all.deb
tar xf data.tar.xz
mv ./usr/share/doc/openjdk-21-jre-headless/api/ docs/openjdk~$VERSION

If you use or have access to a Debian-based GNU/Linux distribution you can run the following command:

apt download openjdk-$VERSION-doc
dpkg -x $PACKAGE ./
# previous command makes a directory called 'usr' in the current directory
mv ./usr/share/doc/openjdk-16-jre-headless/api/ docs/openjdk~$VERSION

Pandas

From the home directory; devdocs, execute below:

curl https://pandas.pydata.org/docs/pandas.zip -o tmp.zip && unzip tmp.zip -d docs/pandas~2 && rm tmp.zip

PHP

Click the link under the "Many HTML files" column on https://www.php.net/download-docs.php, extract the tarball, change its name to php and put it in docs/.

Or run the following commands in your terminal:

curl https://www.php.net/distributions/manual/php_manual_en.tar.gz | tar xz; mv php-chunked-xhtml/ docs/php/

Python 3.6+

mkdir docs/python~$VERSION
cd docs/python~$VERSION
curl -L https://docs.python.org/$VERSION/archives/python-$RELEASE-docs-html.tar.bz2 | \
tar xj --strip-components=1

Python < 3.6

mkdir docs/python~$VERSION
cd docs/python~$VERSION
curl -L https://docs.python.org/ftp/python/doc/$RELEASE/python-$RELEASE-docs-html.tar.bz2 | \
tar xj --strip-components=1

R

DEVDOCSROOT=docs/r
RLATEST=https://cran.r-project.org/src/base/R-latest.tar.gz # or /R-${VERSION::1}/R-$VERSION.tar.gz

RSOURCEDIR=${TMPDIR:-/tmp}/R/latest
RBUILDDIR=${TMPDIR:-/tmp}/R/build
mkdir -p "$RSOURCEDIR" "$RBUILDDIR" "$DEVDOCSROOT"

# Download, configure, and build with static HTML pages
curl "$RLATEST" | tar -C "$RSOURCEDIR" -xzf - --strip-components=1
(cd "$RBUILDDIR" && "$RSOURCEDIR/configure" --enable-prebuilt-html --with-recommended-packages --disable-byte-compiled-packages --disable-shared --disable-java)
make _R_HELP_LINKS_TO_TOPICS_=FALSE -C "$RBUILDDIR"

# Export all html documentation built − global, and per-package
cp -r "$RBUILDDIR/doc" "$DEVDOCSROOT/"
ls -d "$RBUILDDIR"/library/*/html | while read orig; do
    dest="$DEVDOCSROOT${orig#$RBUILDDIR}"
    mkdir -p "$dest" && cp -r "$orig"/* "$dest/"
done

RDoc

Nokogiri

Ruby / Minitest

Ruby on Rails

  • Download a release at https://github.com/rails/rails/releases or clone https://github.com/rails/rails.git (checkout to the branch of the rails' version that is going to be scraped)
  • Open railties/lib/rails/api/task.rb and comment out any code related to sdoc (configure_sdoc)
  • Run bundle config set --local without 'db job' (in the Rails directory)
  • Run bundle install && bundle exec rake rdoc (in the Rails directory)
  • Run cd guides && bundle exec rake guides:generate:html && cd ..
  • Run cp -r guides/output html/guides
  • Run cp -r html $DEVDOCS/docs/rails~[version]

Ruby

Download the tarball of Ruby from https://www.ruby-lang.org/en/downloads/, extract it, run ./configure && make html in your terminal (while your are in the ruby directory) and move .ext/html to path/to/devdocs/docs/ruby~$VERSION/.

Or run the following commands in your terminal:

curl https://cache.ruby-lang.org/pub/ruby/$VERSION/ruby-$RELEASE.tar.gz > ruby.tar; \
tar -xf ruby.tar; cd ruby-$RELEASE; ./configure && make html; mv .ext/html path/to/devdocs/docs/ruby~$VERSION

To generate the htmls file you have to run make command but it does not install Ruby in your system, only generates html files so you have not to worry about cleaning or removing a new Ruby installation.

Scala

See lib/docs/scrapers/scala.rb

SQLite

Download the docs from https://sqlite.org/download.html, unzip it, and rename it to docs/sqlite

curl https://sqlite.org/2022/sqlite-doc-3400000.zip | bsdtar --extract --file - --directory=docs/sqlite/ --strip-components=1