def main():
if len(sys.argv) != 2:
print("Usage: parse-package-xml PACKAGE.XML")
return 1
tree = ET.parse(sys.argv[1])
doc = tree.getroot()
dep_set = set()
dep_types = [
'build_depend', 'buildtool_depend', 'build_export_depend',
'buildtool_export_depend', 'exec_depend', 'depend', 'run_depend'
]
if os.getenv('TUE_INSTALL_TEST_DEPEND', 'false') == 'true':
dep_types.append('test_depend')
if os.getenv('TUE_INSTALL_DOC_DEPEND', 'false') == 'true':
dep_types.append('doc_depend')
for dep_type in dep_types:
deps = doc.findall(dep_type)
dep_set |= {
dep.text
for dep in deps if evaluate_condition(
dep.attrib.get("condition", None), os.environ)
}
print('\n'.join(dep_set))
def evaluate_condition(self, context):
"""
Evaluate the condition.
The result is also stored in the member variable `evaluated_condition`.
:param context: A dictionary with key value pairs to replace variables
starting with $ in the condition.
:returns: True if the condition evaluates to True, else False
:raises: :exc:`ValueError` if the condition fails to parse
"""
self.evaluated_condition = evaluate_condition(self.condition, context)
return self.evaluated_condition
def evaluate_condition(self, context):
"""
Evaluate the condition.
The result is also stored in the member variable `evaluated_condition`.
:param context: A dictionary with key value pairs to replace variables
starting with $ in the condition.
:returns: True if the condition evaluates to True, else False
:raises: :exc:`ValueError` if the condition fails to parse
"""
self.evaluated_condition = evaluate_condition(self.condition, context)
return self.evaluated_condition
