def test_parse_requirements_with_comments(self):
requirements = "flask==0.10.1 # latest version"
package = next(rparse.parse(requirements))
self.assertEqual(package.name, "flask")
self.assertEqual(package.comment, "# latest version")
requirements = "flask # latest version"
package = next(rparse.parse(requirements))
self.assertEqual(package.name, "flask")
self.assertEqual(package.specs, None)
with self.assertRaises(StopIteration):
next(rparse.parse("# comment"))
def test_parse_invalid_requirements(self):
requirements = """
flask 0.10.1
redis==1.0
"""
ast = rparse.parse(requirements)
with self.assertRaises(ValueError, message="Invalid requirements line: 'flask 0.10.1'"):
next(ast)
package = next(ast)
self.assertEqual(package.name, "redis")
self.assertEqual(package.specs, [("==", "1.0")])
with self.assertRaises(ValueError, message="Invalid requirements line: 'flask=0.10.1'"):
next(rparse.parse("flask=0.10.1"))
def handle(self):
settings = {
"path": self.argument("file"),
}
absolute_path_to_file = pathlib.Path(settings['path']).absolute()
if absolute_path_to_file.exists() == False:
self.line_error(
f"File path {absolute_path_to_file} does not exist.")
return 1
try:
parse_requirements_file = rparse.parse(
open(absolute_path_to_file,
'r').read()) # type: typing.List[rparse.Requirement]
except Exception as error:
self.line_error(f"Requirements file is malformed: {error}")
for requirement in parse_requirements_file:
if len(requirement.specs) > 1:
generated_version = "".join(requirement.specs[0])
for req in requirement.specs[1:]:
generated_version += f",{''.join(req)}"
else:
generated_version = "".join(requirement.specs[0])
generated_command = f"poetry install {requirement.name}{generated_version}"
if self.option("dry-run") == False:
self.call("install", f"{requirement.name}{generated_version}")
else:
self.line(f"<b>{generated_command}</b>")
def test_parse_loosy_requirement(self):
requirements = "flask"
package = next(rparse.parse(requirements))
self.assertEqual(package.name, "flask")
self.assertEqual(package.specs, None)
def test_parse_multiple_versions(self):
requirements = "flask>=0.10.1, <0.11"
package = next(rparse.parse(requirements))
self.assertEqual(package.name, "flask")
self.assertEqual(package.specs, [(">=", "0.10.1"), ("<", "0.11")])
def test_parse_extra_requirements(self):
requirements = "raven[foo, bar]==0.10.1"
package = next(rparse.parse(requirements))
self.assertEqual(package.name, "raven")
self.assertEqual(package.specs, [("==", "0.10.1")])
self.assertEqual(package.extras, ["foo", "bar"])
def test_parse_strict_requirement(self):
requirements = "flask==0.10.1"
package = next(rparse.parse(requirements))
self.assertEqual(package.name, "flask")
self.assertEqual(package.specs, [("==", "0.10.1")])