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refactor: only validate with magic if no sample data is given #371

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refactor: only validate with magic if no sample data is given #371

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36 changes: 17 additions & 19 deletions document_merge_service/api/engines.py
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Original file line number Diff line number Diff line change
Expand Up @@ -104,27 +104,25 @@ def validate_template_syntax(self, available_placeholders=None, sample_data=None

try:
doc = DocxTemplate(self.template)
root = _MagicPlaceholder()
env = get_jinja_env()
ph = {
name: root[name] for name in doc.get_undeclared_template_variables(env)
}

xml = doc.get_xml()
xml = doc.patch_xml(xml)
image_match = re.match(r".*{{\s?(\S*)\s?\|\s?image\(.*", xml)
images = image_match.groups() if image_match else []
for image in images:
cleaned_image = image.strip('"').strip("'")
ph[root[cleaned_image]] = django_file("black.png").file

ph["_tpl"] = doc

doc.render(ph, env)

if sample_data:
sample_data["_tpl"] = doc
doc.render(sample_data, env)
if not sample_data:
# make our own sample data using magic placeholders
root = _MagicPlaceholder()
sample_data = {
name: root[name]
for name in doc.get_undeclared_template_variables(env)
}
xml = doc.get_xml()
xml = doc.patch_xml(xml)
image_match = re.match(r".*{{\s?(\S*)\s?\|\s?image\(.*", xml)
images = image_match.groups() if image_match else []
for image in images:
cleaned_image = image.strip('"').strip("'")
sample_data[root[cleaned_image]] = django_file("black.png").file

sample_data["_tpl"] = doc
doc.render(sample_data, env)

self.validate_available_placeholders(
used_placeholders=root.reports,
Expand Down