Fix loading of config file with recent Rubies (Psych 4.0)#779
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cboos wants to merge 2 commits intogettalong:masterfrom
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Fix loading of config file with recent Rubies (Psych 4.0)#779cboos wants to merge 2 commits intogettalong:masterfrom
cboos wants to merge 2 commits intogettalong:masterfrom
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Using Ruby 3.2, the following command would fail like this without the fix:
> bin\kramdown --config-file .kramdown.yml -i GFM -o html README.md
.../ruby-3.2-lean/lib/ruby/3.2.0/psych.rb:322:in `safe_load': wrong number of arguments (given 2, expected 1) (ArgumentError)
from .../vendor/ruby/3.2.0/gems/kramdown-2.4.0/bin/kramdown:114:in `<top (required)>'
from .../bin/kramdown.cmd:30:in `load'
from .../bin/kramdown.cmd:30:in `<main>'
The whole story is that Psych 4.0 removed the support for the legacy API with positional arguments, but the permitted_classes keyword argument was already supported since Psych 3.1.0.
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I created #781 before I saw this. Ruby 2.4-2.6 are EOL, so perhaps we can just avoid the |
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Hello,
I've been using the
bin/kramdownutility recently with Ruby 3.2, and I hit an error when I use the--config-fileoption.Using Ruby 3.2, the following command would fail like this without the fix:
The kramdown script still uses the legacy
YAML.safe_loadAPI, which has been removed in Psych version 4.0 (cf. ruby/psych@07672270 and ruby/psych#533). Here's a fix that works for me, tested with Ruby v2.4, v2.7, v3.0, and v3.2.As for the fix, using the keyword argument directly instead of checking whether it is supported is also an option if you think there's no need to support Psych versions older than v3.1.0 (ruby/psych@682abf20). The comment in the commit should indeed have been
# compatibility with Psych < 3.1.0.