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Enhance test_tutorials.py's handling of notebook magics #937

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Enhance test_tutorials.py's handling of notebook magics #937

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16 changes: 14 additions & 2 deletions scripts/test_tutorials.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,20 @@ def test_notebook(self, path):
for cell in nb.get("cells"):
if cell["cell_type"] == "code":
src = cell["source"]
# Comment out lines containing '!' but not '!='.
src = re.sub(r"\!(?!=)", r"#!", src)
# Comment out lines with '!' or '%' (typically magic commands)
# but not '!='. Preserve indentation to avoid syntax errors.
lines = src.split('\n')
new_lines = []
for line in lines:
if re.match(r"^\s*(\!|%)(?!=)", line):
# Replace ! or % with 'pass # !' or 'pass # %'
match = re.search(r"(\!|%)", line)
idx = match.start()
new_lines.append(line[:idx] + "pass # " + line[idx:])
else:
new_lines.append(line)
src = '\n'.join(new_lines)

# For mnist.ipynb to reduce runtime in test.
src = re.sub(r"NUM_EXAMPLES ?= ?.*", "NUM_EXAMPLES = 10", src)
# For quantum_reinforcement_learning.ipynb:
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