Call the given function with the given argument if func accepts one argument, otherwise calls func without arguments.

Return the attribute from the given object to be used as a setup/teardown xunit-style function, but only if not marked as a fixture to avoid calli

Add finalizer/teardown function to be called after the last test within the requesting test context finished execution.

Context manager that catches warnings generated in the contained execution block. ``item`` can be None if we are not in the context of an item ex

Return the collection node for name from the module collection. Searches a module collection node for a collection node matching the

Create the Cache instance for a Config. :meta private:

The public constructor.

Public constructor for Nodes. This indirection got introduced in order to enable removing the fragile logic from the node constructor

Return Source statement which contains the given linenumber (counted from 0).

Call a helper in this module.

Issue and handle a warning during the "configure" stage. During ``pytest_configure`` we can't capture warnings using the ``catch_warnings_for

Parse and return a namespace object with known arguments, and the remaining arguments unknown at this point.

Determine how many columns are needed to display a string in a terminal. Returns -1 if the string contains non-printable characters.

Return a doctest.OutputChecker subclass that supports some additional options: * ALLOW_UNICODE and ALLOW_BYTES options to ignore u'' and b''

Possibly read a pytest pyc containing rewritten code. Return rewritten code if successful or None if not.

Dynamically add a marker object to the node. :param append: Whether to append the marker, or prepend it.

Return the common part shared with the other path, or None if there is no common part. If one path is relative and one is absolute, returns N

:meta private:

Return a Traceback instance wrapping part of this Traceback. By providing any combination of path, lineno and firstlineno, the first

Call saferepr on the expression.

Call func, wrapping the result in a CallInfo. :param func: The function to call. Called without arguments. :param when:

Return the cached value for the given key. If no value was yet cached or the value cannot be read, the specified default is returned.

Return pytest.Item instances reported by the pytest_collectreport hook

Return a testreport whose dotted import path matches.

Remove a numbered directory if its lock can be obtained and it does not seem to be in use.

Parse and return a namespace object with known arguments at this point.

Parse a warnings filter string. This is copied from warnings._setoption with the following changes: * Does not apply the filter. * Escap

Invoke :py:class:`subprocess.Popen`. Calls :py:class:`subprocess.Popen` making sure the current working directory is in ``PYTHONPATH`

Return the index of the frame/TracebackEntry where recursion originates if appropriate, None if no recursion occurred.

Return the Python package path by looking for the last directory upwards which still contains an __init__.py. Returns None if it can not be d

Walk a directory recursively, in breadth-first order. Entries at each directory level are sorted.

Skeleton command line program.

Return an ndarray if the given object is implicitly convertible to ndarray, and numpy is already imported, otherwise None.