Pass context along to every part of the pipeline#403
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nekketsuuu
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Apr 27, 2024
nekketsuuu
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Thanks for this patch! This works out for my use case.
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| unless @node_filters.empty? | ||
| instrument("call_node_filters.html_pipeline", payload) do | ||
| @node_filters.each { |filter| filter.context = (filter.context || {}).merge(context) } |
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IMHO: This line might not align with the text_filters and convert_filter, as they pass the new context directly without merging. However this can be a non-problem since it's up to each text_filter and convert_filter to decide whether to overwrite the default context with the passed context or to merge the passed one to the default one.
| class YehBolderFilter < HTMLPipeline::TextFilter | ||
| def call(input, context: {}, result: {}) | ||
| input.gsub("yeH", "**yeH**") | ||
| input.gsub("yeH", "**yeH**") unless context[:no_bolding] == false |
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nits
- I think it's more natural if
yeHis converted only ifcontext[:no_bolding]is false. unless XXX == falseis difficult to read.- We can safely remove
== trueor== false, andnilshould be treated as falsy.
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| input.gsub("yeH", "**yeH**") unless context[:no_bolding] == false | |
| input.gsub("yeH", "**yeH**") unless context[:no_bolding] |
Test cases are also affected.
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Oh you’re quite right. I was hurriedly putting together a test here!
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This PR allows for more correct abstractions around contexts for the pipeline. Context for each filter can now be passed when the filter is instantiated, or, when the pipeline is called. This allows for the same filters and pipelines to execute in different ways, depending on the context at runtime.
Closes #402