wikidump-download

Some scripts to download the Wikipedia dumps (available at dumps).

Usage

./scripts/wikidump-download.sh https://dumps.wikimedia.org/eswiki/20210201/

Results are in the folder data/eswiki/20210201.

Overview

This is what wikidump-download.sh does. For example,to download the pages-meta-history dump for Spanish wikipedia (eswiki) made on 2021-02-01, which is available at https://dumps.wikimedia.org/eswiki/20210201/.

1. download size files for a given dump

To download sizes we execute the following command:

./sizes/download_sizes.sh https://dumps.wikimedia.org/eswiki/20210201/

Results are contained in ./sizes/2021-02-01.eswiki.pages-meta-history.txt:

$ head -n5 ./sizes/2021-02-01.eswiki.pages-meta-history.txt
eswiki-20210201-pages-meta-history1.xml-p1p1094.7z 163.8 MB
eswiki-20210201-pages-meta-history1.xml-p1095p2904.7z 174.6 MB
eswiki-20210201-pages-meta-history1.xml-p2905p4657.7z 170.4 MB
eswiki-20210201-pages-meta-history1.xml-p4658p6270.7z 159.9 MB
eswiki-20210201-pages-meta-history1.xml-p6271p8248.7z 181.0 MB

2. make lists of files to download

./downloadlists/make_lists.sh sizes/2021-02-01.eswiki.pages-meta-history.txt

Results are contained in ./downloadlists/2021-02-01.eswiki.pages-meta-history.txt:

$ head -n5 ./downloadlists/2021-02-01.eswiki.pages-meta-history.txt
https://dumps.wikimedia.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p1p1094.7z  http://dumps.wikimedia.your.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p1p1094.7z
https://dumps.wikimedia.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p1095p2904.7z http://dumps.wikimedia.your.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p1095p2904.7z
https://dumps.wikimedia.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p2905p4657.7z http://dumps.wikimedia.your.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p2905p4657.7z
https://dumps.wikimedia.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p4658p6270.7z http://dumps.wikimedia.your.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p4658p6270.7z
https://dumps.wikimedia.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p6271p8248.7z http://dumps.wikimedia.your.org/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p6271p8248.7z

3. download the actual dump files

./scripts/download.sh -d ./downloadlists/2021-02-01.eswiki.pages-meta-history.txt

The file will be saved in the directory ./data/eswiki/20210201:

$ find data/eswiki/20210201 -type f | sort -V | head -n5
data/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p1p1094.7z
data/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p1095p2904.7z
data/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p2905p4657.7z
data/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p4658p6270.7z
data/eswiki/20210201/eswiki-20210201-pages-meta-history1.xml-p6271p8248.7z

Documentation for each script

sizes/download_sizes.sh

Usage: download_sizes.sh [options] <dump_url>
       download_sizes.sh ( -h | --help )
       download_sizes.sh --version

Arguments:
    <dump_url>                The wikidump base url
                              e.g. https://dumps.wikimedia.org/enwiki/20180301/
Options:
    -d, --debug               Enable debug mode.
    -f, --ext <ext>           Extension of the files to filter [default: .7z].
    -t, --filetype <filetype> Type of files to filter
                              [default: pages-meta-history].
    -h, --help                Show this help message and exits.
    --version                 Print version and copyright information.

downloadlists/make_lists.sh

Usage: make_lists.sh [options] <sizefile>

Options:
  -d, --debug                 Enable debug mode.
  -h, --help                  Show this help message and exits.
  --version                   Print version and copyright information.

scripts/download.sh

Usage: download.sh [options] <downloadlist>
       download.sh --kill
       download.sh ( -h | --help )
       download.sh --version

Arguments:
  <dowloadlist>               Date to download (e.g. 2018-03-01)

Options:
  -c, --continue              Continue the previous download.
  -d, --debug                 Enable debug mode (incompatible with --quiet).
  -k, --kill                  Kill connection.
  -q, --quiet                 Suppress output (incompatible with --debug).
  -h, --help                  Show this help message and exits.
  --version                   Print version and copyright information.

Dependencies

This script requires Bash version 4.

The following software are needed to run the wikidump-download scripts:

realpath
aria2: a powerful command line downloader
docopts: a command-line interface tool for the shell
GNU parallel: GNU parallel is a shell tool for executing jobs in parallel
xidel: Command line tool to download and extract data from HTML/XML pages

Tipically, you can find realpath and parallel packaged in your distro.