78 lines
2.4 KiB
Markdown
78 lines
2.4 KiB
Markdown
# Introduction
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This package is a collection of flags for BCP 47 region codes. Most people
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think of these as country flags, but there are a few codes / flags that do
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not correspond to countries. The flags are in SVG and PNG format and named
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by their BCP 47 region code, which for countries is the same as ISO 3166-2
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country code.
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The canonical way to get all region codes is to look for records in
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language-subtag-registry (which is downloaded from [0]) with the following
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fields:
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Type: region
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Subtag: [A-Z]{2}
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AND NOT Description: Private use
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AND NOT Deprecated: .*
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Regions not in that repository can be added to language-subtag-private.
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One such region has been added.
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Some regions do not have their own flag. In such cases, they are symlinked to
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the best flag to represent them, which in most cases is the flag of their
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regional or political parent. These are listed in file ALIASES.
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The flags are downloaded from Wikipedia. When Wikipedia flags were
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copyrighted, we worked we Wikipedia editors to either relicense them, or drew /
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sourced and uploaded new public-domain versions. In particular, the license
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for these flags were resolved for the initial import:
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Montenegro
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Nicaragua
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Sint Maarten
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Ascension Island
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Lesotho
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Kosovo
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# Scripts
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The script regions.py lists all regions with their metadata.
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The script regions-wp.py shows the Wikipedia URL for the flag page.
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The script missing.sh shows all such regions that we don't have flags for.
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The script make-aliases.sh makes symlinks for regions that use flag of
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another region.
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The script download-wp.py downloads missing flags from Wikipedia and
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generating optimized SVG and PNG versions.
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# Updating
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If new regions are needed, update language-subtag-registry [0], or add new
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regions to language-subtag-private before. Then update ALIASES and ALIASES-WP
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as needed.
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If Wikipedia's flag is under Creative Commons, work with Wikipedia editors to
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relicense it to public domain. If the flag is not explicitly marked
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public_domain but otherwise exempt from copyright (typically, because of
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national laws), make a note of it in file COPYING.
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To download missing flags, run download-wp.py.
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To update to latest flags from Wikipedia, delete the html, svg, and png
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directories, then run make-aliases.sh followed by download-wp.py.
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# License
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See file COPYING for details.
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# References
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[0] http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
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