pylint/epylint.py
def py_run(command_options="", return_std=False, stdout=None, stderr=None):
    """Run pylint from python

    ``command_options`` is a string containing ``pylint`` command line options;
    ``return_std`` (boolean) indicates return of created standard output
    and error (see below);
    ``stdout`` and ``stderr`` are 'file-like' objects in which standard output
    could be written.

    Calling agent is responsible for stdout/err management (creation, close).
    Default standard output and error are those from sys,
    or standalone ones (``subprocess.PIPE``) are used
    if they are not set and ``return_std``.

    If ``return_std`` is set to ``True``, this function returns a 2-uple
    containing standard output and error related to created process,
    as follows: ``(stdout, stderr)``.

    To silently run Pylint on a module, and get its standard output and error:
        >>> (pylint_stdout, pylint_stderr) = py_run( 'module_name.py', True)
    """
    # Detect if we use Python as executable or not, else default to `python`
    executable = sys.executable if "python" in sys.executable else "python"

    # Create command line to call pylint
    epylint_part = [executable, "-c", "from pylint import epylint;epylint.Run()"]
    options = shlex.split(command_options, posix=not sys.platform.startswith("win"))
    cli = epylint_part + options

    # Providing standard output and/or error if not set
    if stdout is None:
        if return_std:
            stdout = PIPE
        else:
            stdout = sys.stdout
    if stderr is None:
        if return_std:
            stderr = PIPE
        else:
            stderr = sys.stderr
    # Call pylint in a subprocess
    process = Popen(
        cli,
        shell=False,
        stdout=stdout,
        stderr=stderr,
        env=_get_env(),
        universal_newlines=True,
    )
    proc_stdout, proc_stderr = process.communicate()
    # Return standard output and error
    if return_std:
        return StringIO(proc_stdout), StringIO(proc_stderr)
    return None
def py_run(command_options="", return_std=False, stdout=None, stderr=None):
    """Run pylint from python

    ``command_options`` is a string containing ``pylint`` command line options;
    ``return_std`` (boolean) indicates return of created standard output
    and error (see below);
    ``stdout`` and ``stderr`` are 'file-like' objects in which standard output
    could be written.

    Calling agent is responsible for stdout/err management (creation, close).
    Default standard output and error are those from sys,
    or standalone ones (``subprocess.PIPE``) are used
    if they are not set and ``return_std``.

    If ``return_std`` is set to ``True``, this function returns a 2-uple
    containing standard output and error related to created process,
    as follows: ``(stdout, stderr)``.

    To silently run Pylint on a module, and get its standard output and error:
        >>> (pylint_stdout, pylint_stderr) = py_run( 'module_name.py', True)
    """
    # Detect if we use Python as executable or not, else default to `python`
    executable = sys.executable if "python" in sys.executable else "python"

    # Create command line to call pylint
    epylint_part = [executable, "-c", "from pylint import epylint;epylint.Run()"]
    options = shlex.split(command_options, posix=not sys.platform.startswith("win"))
    cli = epylint_part + options

    # Providing standard output and/or error if not set
    if stdout is None:
        if return_std:
            stdout = PIPE
        else:
            stdout = sys.stdout
    if stderr is None:
        if return_std:
            stderr = PIPE
        else:
            stderr = sys.stderr
    # Call pylint in a subprocess
    process = Popen(
        cli,
        shell=False,
        stdout=stdout,
        stderr=stderr,
        env=_get_env(),
        universal_newlines=True,
    )
    proc_stdout, proc_stderr = process.communicate()
    # Return standard output and error
    if return_std:
        return StringIO(proc_stdout), StringIO(proc_stderr)
    return None
Run pylint from python

    ``command_options`` is a string containing ``pylint`` command line options;
    ``return_std`` (boolean) indicates return of created standard output
    and error (see below);
    ``stdout`` and ``stderr`` are 'file-like' objects in which standard output
    could be written.

    Calling agent is responsible for stdout/err management (creation, close).
    Default standard output and error are those from sys,
    or standalone ones (``subprocess.PIPE``) are used
    if they are not set and ``return_std``.

    If ``return_std`` is set to ``True``, this function returns a 2-uple
    containing standard output and error related to created process,
    as follows: ``(stdout, stderr)``.

    To silently run Pylint on a module, and get its standard output and error:
        >>> (pylint_stdout, pylint_stderr) = py_run( 'module_name.py', True)