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Remove the graphviz dependency from nf-core #1512

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merged 9 commits into from
Apr 12, 2022
Merged

Remove the graphviz dependency from nf-core #1512

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3567b07
Remove the graphviz dependency from nf-core
fabianegli Apr 12, 2022
8313a50
mention the Graphviz dependency removal
fabianegli Apr 12, 2022
ae2a057
allow all supported DAG file suffixes
fabianegli Apr 12, 2022
c68fb85
fix black complaint
fabianegli Apr 12, 2022
83fe29e
fix dag.file suffix extraction
fabianegli Apr 12, 2022
32da8e5
move changes in CHANGELOG into new dev section
fabianegli Apr 12, 2022
84e5db9
Merge branch 'dev' into fabianegli-remove-graphviz-dependency
fabianegli Apr 12, 2022
3d91fe0
describe new behavior and hot to retain status quo
fabianegli Apr 12, 2022
e298fe9
fix typo
fabianegli Apr 12, 2022
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3 changes: 3 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -2,8 +2,11 @@

## v2.4dev

This patch release to removes the Graphviz dependency from default pipeline template by setting the defaul DAG format to HTML. To keep the previous behaviour, the "dag.file" file extension needs to be changed to ".svg" in the nextflow.config.
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It's not a patch release for just this PR 😉 This is just one change in the release. The bullet point below was sufficient, I think you can remove this paragraph.


### Template

- Set the default DAG graphic output to HTML to have a default that does not depend on Graphviz being installed on the host system ([#1512](https://github.com/nf-core/tools/pull/1512)).
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👍🏻

- Fix bug in pipeline readme logo URL
- Fix Prettier formatting bug in completion email HTML template ([#1509](https://github.com/nf-core/tools/issues/1509))
- Removed retry strategy for AWS tests CI, as Nextflow now handles spot instance retries itself
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10 changes: 7 additions & 3 deletions nf_core/lint/nextflow_config.py
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Expand Up @@ -229,10 +229,14 @@ def nextflow_config(self):

# Check that the DAG filename ends in ``.svg``
if "dag.file" in self.nf_config:
if self.nf_config["dag.file"].strip("'\"").endswith(".svg"):
passed.append("Config ``dag.file`` ended with ``.svg``")
_, dag_file_suffix = os.path.splitext(self.nf_config["dag.file"].strip("'\""))
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allowed_dag_file_suffixes = [".dot", ".html", ".pdf", ".png", ".svg", ".gexf"]
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Too late to the party, but I think we need to revert this sorry.

Whilst it's perfectly valid to accept all, we specifically want to enforce a single standard for nf-core pipelines. People can override in their own configs and even ignore this linting test if it's a problem.

If we allow all formats, then there's nothing to stop people from (probably accidentally) missing this change and continuing with .svg and the problems that this PR is trying to solve. We explicitly want to force people to change to the format that we think is best for nf-core pipelines.

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I am fine with reverting this PR, allowing html only and removing the first sentence in the changelog. I think it is/was mostly necessary because of the multiple allowed formats.

if dag_file_suffix in allowed_dag_file_suffixes:
passed.append(f"Config ``dag.file`` ended with ``.{dag_file_suffix}``")
else:
failed.append("Config ``dag.file`` did not end with ``.svg``")
failed.append(
f"Config ``dag.file`` ended with ``.{dag_file_suffix}`` but needs to be one of {allowed_dag_file_suffixes!r}"
)

# Check that the minimum nextflowVersion is set properly
if "manifest.nextflowVersion" in self.nf_config:
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2 changes: 1 addition & 1 deletion nf_core/pipeline-template/nextflow.config
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Expand Up @@ -159,7 +159,7 @@ trace {
}
dag {
enabled = true
file = "${params.tracedir}/pipeline_dag_${trace_timestamp}.svg"
file = "${params.tracedir}/pipeline_dag_${trace_timestamp}.html"
}

manifest {
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