def test_is_external_no_port():
with pytest.raises(ValueError):
is_external(
url_parse('http://localhost/a/'),
url_parse('http://localhost:80/a/'),
)
with pytest.raises(ValueError):
is_external(
url_parse('http://localhost:80/a/'),
url_parse('http://localhost/a/'),
)
def add_task(self,
url: URL,
*,
external_ok: bool = False,
reason: str = None) -> Optional[Task]:
"""Add a task to freeze the given URL
If no task is added (e.g. for external URLs), return None.
"""
if is_external(url, self.prefix):
if external_ok:
return None
raise ExternalURLError(f'Unexpected external URL: {url}')
path = get_path_from_url(self.prefix, url, self.url_to_path)
for queue in self.task_queues.values():
if path in queue:
task = queue[path]
task.urls.add(url)
break
else:
# The `else` branch is entered if the loop ended normally
# (not with `break`, or exception, return, etc.)
# Here, this means the task wasn't found.
task = Task(path, {url}, self)
self.pending_tasks[path] = task
if reason:
task.reasons.add(reason)
return task
def url_to_filename(self, parsed_url):
"""Return the filename to which the page is frozen.
Parameters:
parsed_url
Parsed URL (eg. url_parse(http://example.com:8000/foo/second.html))
to convert to filename
"""
if is_external(parsed_url, self.prefix):
raise ValueError(f'external url {parsed_url}')
url_path = parsed_url.path
if url_path.startswith(self.prefix.path):
url_path = '/' + url_path[len(self.prefix.path):]
if url_path.endswith('/'):
url_path = url_path + 'index.html'
return self.base_path / encode_file_path(url_path).lstrip('/')
def get_path_from_url(prefix, url, url_to_path):
if is_external(url, prefix):
raise ValueError(f'external url {url}')
path = url.path
if path.startswith(prefix.path):
path = path[len(prefix.path):]
result = url_to_path(path)
result = PurePosixPath(result)
if result.is_absolute():
raise ValueError(
f"Path may not be absolute: {result}(from {url.to_url()})")
assert '.' not in result.parts
if '..' in result.parts:
raise ValueError(
f"Path may not contain /../ segment: {result}(from {url.to_url()})"
)
return result
def test_is_external_positive():
assert not is_external(
url_parse('http://localhost:80/a/b/c'),
url_parse('http://localhost:80/a/'),
)
def test_is_external_root_index():
assert not is_external(
url_parse('http://localhost:80'),
url_parse('http://localhost:80/'),
)
def test_is_external_index():
assert is_external(
url_parse('http://localhost:80/a'),
url_parse('http://localhost:80/a/'),
)
def test_is_external_same():
assert not is_external(
url_parse('http://localhost:80/a/'),
url_parse('http://localhost:80/a/'),
)
def test_is_external_negative_same_host():
assert is_external(
url_parse('http://localhost:80/a/'),
url_parse('http://localhost:80/a/b/c/'),
)
def test_is_external_negative():
assert is_external(
url_parse('http://example.com:80/a/'),
url_parse('http://localhost:80/a/b/c/'),
)
