jupyter - do not echo cell with execution parameters.

news/changelog-1.7.md

@@ -10,6 +10,7 @@ All changes included in 1.7:
 - ([#11659](https://github.com/quarto-dev/quarto-cli/pull/11659)): `julia` engine - Fix escaping bug where paths containing spaces or backslashes break server startup on Windows.
 - ([#11752](https://github.com/quarto-dev/quarto-cli/issues/11752)): Fix regression with non-alphanumeric characters in `categories` preventing correct filtering of listing.
 - ([#11943](https://github.com/quarto-dev/quarto-cli/issues/11943)): Fix callout title color on dark theme in revealjs following Revealjs update in quarto 1.6.
+- ([#11990](https://github.com/quarto-dev/quarto-cli/issues/11990)): Do not print parameter cell in parameterized Jupyter notebooks.
 - ([#12147](https://github.com/quarto-dev/quarto-cli/issues/12147)): for RevealJS format, `serif` and `simple` themes defaults back to have their heading color (`$presentation-heading-color`) to be the same as the body color (`$body-color`) as in Quarto 1.5.
 
 ## Dependencies

src/resources/jupyter/notebook.py

@@ -686,9 +686,11 @@ def nb_parameterize(nb, params):
       # and then re-encode it
       try:
          params_cell_yaml = parse_string("\n".join(params_cell_yaml))
-         del params_cell_yaml['label']
+         if "label" in params_cell_yaml:
+            del params_cell_yaml['label']
          params_cell_yaml = safe_dump(params_cell_yaml).strip().splitlines()
       except Exception as e:
+         sys.stderr.write(str(e) + "\naksjdfhakjsdhf\n")
          sys.stderr.write("\nWARNING: Invalid YAML option format in cell:\n" + "\n".join(params_cell_yaml) + "\n")
          sys.stderr.flush()
          params_cell_yaml = []

tests/docs/jupyter/parameters/issue-11990.qmd

@@ -0,0 +1,18 @@
+---
+title: "Quarto Parameters"
+format: html
+engine: jupyter
+keep-md: true
+keep-ipynb: true
+---
+
+```{python}
+#| tags: [parameters]
+#| include: false
+username = None
+password = None
+```
+
+```{python}
+print(f"Hello, {username}!")
+```

tests/smoke/jupyter/issue-11990.test.ts

@@ -0,0 +1,23 @@
+/*
+ * issue-11990.test.ts
+ * 
+ * https://github.com/quarto-dev/quarto-cli/issues/11990
+ * 
+ * Copyright (C) 2025 Posit Software, PBC
+ */
+
+import { join } from "../../../src/deno_ral/path.ts";
+import { docs, outputForInput } from "../../utils.ts";
+import { noErrorsOrWarnings, ensureFileRegexMatches } from "../../verify.ts";
+import { testRender } from "../render/render.ts";
+
+const format = "html";
+const input = docs(join("jupyter", "parameters", "issue-11990.qmd"));
+const output = outputForInput(input, format);
+
+testRender(input, format, false, [
+  noErrorsOrWarnings,
+  ensureFileRegexMatches(output.outputPath, [], [
+    "Injected Parameters"
+  ]),
+], {}, ["--no-execute-daemon", "--execute-param", "username:John"]);