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MNT: use github mirror for gshhg data download #2664

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MNT: use github mirror for gshhg data download #2664

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7 changes: 5 additions & 2 deletions lib/cartopy/io/shapereader.py
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Expand Up @@ -452,18 +452,21 @@ class GSHHSShpDownloader(Downloader):
-----
The GSHHS data is no longer hosted by NOAA,
https://www.nesdis.noaa.gov/about/documents-reports/notice-of-changes/2025-notice-of-changes/shorelinecoastline-resources
but is available in an archive at the following url
but it is available in an archive at the following url
https://www.ncei.noaa.gov/data/oceans/archive/arc0234/0304143/1.1/data/0-data/GSHHS_shp/
for historical reference. The current source of the data downloaded by
Cartopy is from the University of Hawaii
https://www.soest.hawaii.edu/pwessel/gshhg/
using the GitHub mirror of the data at
https://github.com/GenericMappingTools/gshhg-gmt
"""
FORMAT_KEYS = ('config', 'scale', 'level')

gshhs_version = '2.3.7'

_GSHHS_URL_TEMPLATE = (
'https://www.soest.hawaii.edu/pwessel/gshhg/gshhg-shp-{gshhs_version}.zip'
'https://github.com/GenericMappingTools/gshhg-gmt/releases/download/'
'{gshhs_version}/gshhg-shp-{gshhs_version}.zip'
)

def __init__(self,
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