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Drop GMT 6.4 support #4127

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Merged
seisman merged 3 commits into from
Sep 30, 2025
Merged

Drop GMT 6.4 support #4127

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9edbee2
Drop GMT 6.4 support
seisman Sep 30, 2025
1b17b28
Remove codes for GMT 6.4
seisman Sep 30, 2025
e9c89c3
Unpin ghostscript for GMT 6.4
seisman Sep 30, 2025
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10 changes: 3 additions & 7 deletions .github/workflows/ci_tests_legacy.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ jobs:
fail-fast: false
matrix:
os: [ubuntu-22.04, ubuntu-22.04-arm, macos-14, windows-2022]
gmt_version: ['6.4', '6.5']
gmt_version: ['6.5']
timeout-minutes: 30
defaults:
run:
Expand All @@ -60,7 +60,7 @@ jobs:
create-args: >-
python=3.11
gmt=${{ matrix.gmt_version }}
ghostscript<10
ghostscript
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@weiji14 weiji14 Sep 30, 2025

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Since ghostscript>=10 can be used now, should the note here be updated?

pygmt/doc/install.md

Lines 326 to 327 in 06e75f5

- Ghostscript 9.53-9.56 for GMT 6.4.0 (or below)
- Ghostscript 10.03 or later for GMT 6.5.0

Or do it in #4128?

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@seisman seisman Sep 30, 2025

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Yes, or do it in a separate PR as mentioned in #4100 (comment).

numpy=1.26
pandas=2.2
xarray=2023.10
Expand All @@ -84,11 +84,7 @@ jobs:
# Download cached files to ~/.gmt directory and list them
gh run download --name gmt-cache --dir ~/.gmt/
# Change modification times of the two files, so GMT won't refresh it.
# The two files are in the `~/.gmt/server` directory for GMT<=6.4, and in the
# `~/.gmt` directory for GMT>=6.5.
mkdir -p ~/.gmt/server/
mv ~/.gmt/gmt_data_server.txt ~/.gmt/gmt_hash_server.txt ~/.gmt/server/
touch ~/.gmt/server/gmt_data_server.txt ~/.gmt/server/gmt_hash_server.txt
touch ~/.gmt/gmt_data_server.txt ~/.gmt/gmt_hash_server.txt
ls -lhR ~/.gmt
env:
GH_TOKEN: ${{ github.token }}
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2 changes: 1 addition & 1 deletion pygmt/clib/__init__.py
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Expand Up @@ -9,7 +9,7 @@
from pygmt.clib.session import Session, __gmt_version__
from pygmt.exceptions import GMTVersionError

required_gmt_version = "6.4.0"
required_gmt_version = "6.5.0"

# Check if the GMT version is older than the required version.
if Version(__gmt_version__) < Version(required_gmt_version):
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