[PATCH v7 06/21] dts: logger and utils docstring update
Yoan Picchi
yoan.picchi at foss.arm.com
Mon Nov 20 17:23:37 CET 2023
On 11/15/23 13:09, Juraj Linkeš wrote:
> Format according to the Google format and PEP257, with slight
> deviations.
>
> Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
> ---
> dts/framework/logger.py | 72 ++++++++++++++++++++++-----------
> dts/framework/utils.py | 88 +++++++++++++++++++++++++++++------------
> 2 files changed, 113 insertions(+), 47 deletions(-)
>
> diff --git a/dts/framework/logger.py b/dts/framework/logger.py
> index bb2991e994..d3eb75a4e4 100644
> --- a/dts/framework/logger.py
> +++ b/dts/framework/logger.py
> @@ -3,9 +3,9 @@
> # Copyright(c) 2022-2023 PANTHEON.tech s.r.o.
> # Copyright(c) 2022-2023 University of New Hampshire
>
> -"""
> -DTS logger module with several log level. DTS framework and TestSuite logs
> -are saved in different log files.
> +"""DTS logger module.
> +
> +DTS framework and TestSuite logs are saved in different log files.
> """
>
> import logging
> @@ -18,19 +18,21 @@
> stream_fmt = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
>
>
> -class LoggerDictType(TypedDict):
> - logger: "DTSLOG"
> - name: str
> - node: str
> -
> +class DTSLOG(logging.LoggerAdapter):
> + """DTS logger adapter class for framework and testsuites.
>
> -# List for saving all using loggers
> -Loggers: list[LoggerDictType] = []
> + The :option:`--verbose` command line argument and the :envvar:`DTS_VERBOSE` environment
> + variable control the verbosity of output. If enabled, all messages will be emitted to the
> + console.
>
> + The :option:`--output` command line argument and the :envvar:`DTS_OUTPUT_DIR` environment
> + variable modify the directory where the logs will be stored.
>
> -class DTSLOG(logging.LoggerAdapter):
> - """
> - DTS log class for framework and testsuite.
> + Attributes:
> + node: The additional identifier. Currently unused.
> + sh: The handler which emits logs to console.
> + fh: The handler which emits logs to a file.
> + verbose_fh: Just as fh, but logs with a different, more verbose, format.
> """
>
> _logger: logging.Logger
> @@ -40,6 +42,15 @@ class DTSLOG(logging.LoggerAdapter):
> verbose_fh: logging.FileHandler
>
> def __init__(self, logger: logging.Logger, node: str = "suite"):
> + """Extend the constructor with additional handlers.
> +
> + One handler logs to the console, the other one to a file, with either a regular or verbose
> + format.
> +
> + Args:
> + logger: The logger from which to create the logger adapter.
> + node: An additional identifier. Currently unused.
> + """
> self._logger = logger
> # 1 means log everything, this will be used by file handlers if their level
> # is not set
> @@ -92,26 +103,43 @@ def __init__(self, logger: logging.Logger, node: str = "suite"):
> super(DTSLOG, self).__init__(self._logger, dict(node=self.node))
>
> def logger_exit(self) -> None:
> - """
> - Remove stream handler and logfile handler.
> - """
> + """Remove the stream handler and the logfile handler."""
> for handler in (self.sh, self.fh, self.verbose_fh):
> handler.flush()
> self._logger.removeHandler(handler)
>
>
> +class _LoggerDictType(TypedDict):
> + logger: DTSLOG
> + name: str
> + node: str
> +
> +
> +# List for saving all loggers in use
> +_Loggers: list[_LoggerDictType] = []
> +
> +
> def getLogger(name: str, node: str = "suite") -> DTSLOG:
> + """Get DTS logger adapter identified by name and node.
> +
> + An existing logger will be return if one with the exact name and node already exists.
An existing logger will be return*ed*
> + A new one will be created and stored otherwise.
> +
> + Args:
> + name: The name of the logger.
> + node: An additional identifier for the logger.
> +
> + Returns:
> + A logger uniquely identified by both name and node.
> """
> - Get logger handler and if there's no handler for specified Node will create one.
> - """
> - global Loggers
> + global _Loggers
> # return saved logger
> - logger: LoggerDictType
> - for logger in Loggers:
> + logger: _LoggerDictType
> + for logger in _Loggers:
> if logger["name"] == name and logger["node"] == node:
> return logger["logger"]
>
> # return new logger
> dts_logger: DTSLOG = DTSLOG(logging.getLogger(name), node)
> - Loggers.append({"logger": dts_logger, "name": name, "node": node})
> + _Loggers.append({"logger": dts_logger, "name": name, "node": node})
> return dts_logger
> diff --git a/dts/framework/utils.py b/dts/framework/utils.py
> index f0c916471c..5016e3be10 100644
> --- a/dts/framework/utils.py
> +++ b/dts/framework/utils.py
> @@ -3,6 +3,16 @@
> # Copyright(c) 2022-2023 PANTHEON.tech s.r.o.
> # Copyright(c) 2022-2023 University of New Hampshire
>
> +"""Various utility classes and functions.
> +
> +These are used in multiple modules across the framework. They're here because
> +they provide some non-specific functionality, greatly simplify imports or just don't
> +fit elsewhere.
> +
> +Attributes:
> + REGEX_FOR_PCI_ADDRESS: The regex representing a PCI address, e.g. ``0000:00:08.0``.
> +"""
> +
> import atexit
> import json
> import os
> @@ -19,12 +29,20 @@
>
>
> def expand_range(range_str: str) -> list[int]:
> - """
> - Process range string into a list of integers. There are two possible formats:
> - n - a single integer
> - n-m - a range of integers
> + """Process `range_str` into a list of integers.
> +
> + There are two possible formats of `range_str`:
> +
> + * ``n`` - a single integer,
> + * ``n-m`` - a range of integers.
>
> - The returned range includes both n and m. Empty string returns an empty list.
> + The returned range includes both ``n`` and ``m``. Empty string returns an empty list.
> +
> + Args:
> + range_str: The range to expand.
> +
> + Returns:
> + All the numbers from the range.
> """
> expanded_range: list[int] = []
> if range_str:
> @@ -39,6 +57,14 @@ def expand_range(range_str: str) -> list[int]:
>
>
> def get_packet_summaries(packets: list[Packet]) -> str:
> + """Format a string summary from `packets`.
> +
> + Args:
> + packets: The packets to format.
> +
> + Returns:
> + The summary of `packets`.
> + """
> if len(packets) == 1:
> packet_summaries = packets[0].summary()
> else:
> @@ -49,6 +75,8 @@ def get_packet_summaries(packets: list[Packet]) -> str:
>
>
> class StrEnum(Enum):
> + """Enum with members stored as strings."""
> +
> @staticmethod
> def _generate_next_value_(
> name: str, start: int, count: int, last_values: object
> @@ -56,22 +84,29 @@ def _generate_next_value_(
> return name
>
> def __str__(self) -> str:
> + """The string representation is the name of the member."""
> return self.name
>
>
> class MesonArgs(object):
> - """
> - Aggregate the arguments needed to build DPDK:
> - default_library: Default library type, Meson allows "shared", "static" and "both".
> - Defaults to None, in which case the argument won't be used.
> - Keyword arguments: The arguments found in meson_options.txt in root DPDK directory.
> - Do not use -D with them, for example:
> - meson_args = MesonArgs(enable_kmods=True).
> - """
> + """Aggregate the arguments needed to build DPDK."""
>
> _default_library: str
>
> def __init__(self, default_library: str | None = None, **dpdk_args: str | bool):
> + """Initialize the meson arguments.
> +
> + Args:
> + default_library: The default library type, Meson supports ``shared``, ``static`` and
> + ``both``. Defaults to :data:`None`, in which case the argument won't be used.
> + dpdk_args: The arguments found in ``meson_options.txt`` in root DPDK directory.
> + Do not use ``-D`` with them.
> +
> + Example:
> + ::
> +
> + meson_args = MesonArgs(enable_kmods=True).
> + """
> self._default_library = (
> f"--default-library={default_library}" if default_library else ""
> )
> @@ -83,6 +118,7 @@ def __init__(self, default_library: str | None = None, **dpdk_args: str | bool):
> )
>
> def __str__(self) -> str:
> + """The actual args."""
> return " ".join(f"{self._default_library} {self._dpdk_args}".split())
>
>
> @@ -104,24 +140,14 @@ class _TarCompressionFormat(StrEnum):
>
>
> class DPDKGitTarball(object):
> - """Create a compressed tarball of DPDK from the repository.
> -
> - The DPDK version is specified with git object git_ref.
> - The tarball will be compressed with _TarCompressionFormat,
> - which must be supported by the DTS execution environment.
> - The resulting tarball will be put into output_dir.
> + """Compressed tarball of DPDK from the repository.
>
> - The class supports the os.PathLike protocol,
> + The class supports the :class:`os.PathLike` protocol,
> which is used to get the Path of the tarball::
>
> from pathlib import Path
> tarball = DPDKGitTarball("HEAD", "output")
> tarball_path = Path(tarball)
> -
> - Arguments:
> - git_ref: A git commit ID, tag ID or tree ID.
> - output_dir: The directory where to put the resulting tarball.
> - tar_compression_format: The compression format to use.
> """
>
> _git_ref: str
> @@ -136,6 +162,17 @@ def __init__(
> output_dir: str,
> tar_compression_format: _TarCompressionFormat = _TarCompressionFormat.xz,
> ):
> + """Create the tarball during initialization.
> +
> + The DPDK version is specified with `git_ref`. The tarball will be compressed with
> + `tar_compression_format`, which must be supported by the DTS execution environment.
> + The resulting tarball will be put into `output_dir`.
> +
> + Args:
> + git_ref: A git commit ID, tag ID or tree ID.
> + output_dir: The directory where to put the resulting tarball.
> + tar_compression_format: The compression format to use.
> + """
> self._git_ref = git_ref
> self._tar_compression_format = tar_compression_format
>
> @@ -204,4 +241,5 @@ def _delete_tarball(self) -> None:
> os.remove(self._tarball_path)
>
> def __fspath__(self) -> str:
> + """The os.PathLike protocol implementation."""
> return str(self._tarball_path)
More information about the dev
mailing list