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Message-ID: <08ac4b3457b99037c7ec91d7a2589d4c820fd63a.1749812870.git.mchehab+huawei@kernel.org>
Date: Fri, 13 Jun 2025 13:42:27 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
Jonathan Corbet <corbet@....net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
"Akira Yokosawa" <akiyks@...il.com>,
"Breno Leitao" <leitao@...ian.org>,
"David S. Miller" <davem@...emloft.net>,
"Donald Hunter" <donald.hunter@...il.com>,
"Eric Dumazet" <edumazet@...gle.com>,
"Ignacio Encinas Rubio" <ignacio@...cinas.com>,
"Jan Stancek" <jstancek@...hat.com>,
"Marco Elver" <elver@...gle.com>,
"Mauro Carvalho Chehab" <mchehab+huawei@...nel.org>,
"Paolo Abeni" <pabeni@...hat.com>,
"Ruben Wauters" <rubenru09@....com>,
"Shuah Khan" <skhan@...uxfoundation.org>,
Jakub Kicinski <mchehab+huawei@...nel.org>,
Simon Horman <mchehab+huawei@...nel.org>,
joel@...lfernandes.org,
linux-kernel-mentees@...ts.linux.dev,
linux-kernel@...r.kernel.org,
lkmm@...ts.linux.dev,
netdev@...r.kernel.org,
peterz@...radead.org,
stern@...land.harvard.edu
Subject: [PATCH v3 06/16] scripts: lib: netlink_yml_parser.py: use classes
As we'll be importing netlink parser into a Sphinx extension,
move all functions and global variables inside two classes:
- RstFormatters, containing ReST formatter logic, which are
YAML independent;
- NetlinkYamlParser: contains the actual parser classes. That's
the only class that needs to be imported by the script or by
a Sphinx extension.
With that, we won't pollute Sphinx namespace, avoiding any
potential clashes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
scripts/lib/netlink_yml_parser.py | 592 +++++++++++++++--------------
tools/net/ynl/pyynl/ynl_gen_rst.py | 19 +-
2 files changed, 313 insertions(+), 298 deletions(-)
diff --git a/scripts/lib/netlink_yml_parser.py b/scripts/lib/netlink_yml_parser.py
index 3c15b578f947..8d7961a1a256 100755
--- a/scripts/lib/netlink_yml_parser.py
+++ b/scripts/lib/netlink_yml_parser.py
@@ -3,389 +3,407 @@
# -*- coding: utf-8; mode: python -*-
"""
- Script to auto generate the documentation for Netlink specifications.
+ Class to auto generate the documentation for Netlink specifications.
:copyright: Copyright (C) 2023 Breno Leitao <leitao@...ian.org>
:license: GPL Version 2, June 1991 see linux/COPYING for details.
- This script performs extensive parsing to the Linux kernel's netlink YAML
+ This class performs extensive parsing to the Linux kernel's netlink YAML
spec files, in an effort to avoid needing to heavily mark up the original
YAML file.
- This code is split in three big parts:
+ This code is split in two classes:
1) RST formatters: Use to convert a string to a RST output
2) Parser helpers: Functions to parse the YAML data structure
- 3) Main function and small helpers
"""
from typing import Any, Dict, List
import os.path
+import sys
+import argparse
import logging
import yaml
-SPACE_PER_LEVEL = 4
-
-
+# ==============
# RST Formatters
# ==============
-def headroom(level: int) -> str:
- """Return space to format"""
- return " " * (level * SPACE_PER_LEVEL)
+class RstFormatters:
+ SPACE_PER_LEVEL = 4
+ @staticmethod
+ def headroom(level: int) -> str:
+ """Return space to format"""
+ return " " * (level * RstFormatters.SPACE_PER_LEVEL)
-def bold(text: str) -> str:
- """Format bold text"""
- return f"**{text}**"
+ @staticmethod
+ def bold(text: str) -> str:
+ """Format bold text"""
+ return f"**{text}**"
-def inline(text: str) -> str:
- """Format inline text"""
- return f"``{text}``"
+ @staticmethod
+ def inline(text: str) -> str:
+ """Format inline text"""
+ return f"``{text}``"
-def sanitize(text: str) -> str:
- """Remove newlines and multiple spaces"""
- # This is useful for some fields that are spread across multiple lines
- return str(text).replace("\n", " ").strip()
+ @staticmethod
+ def sanitize(text: str) -> str:
+ """Remove newlines and multiple spaces"""
+ # This is useful for some fields that are spread across multiple lines
+ return str(text).replace("\n", " ").strip()
-def rst_fields(key: str, value: str, level: int = 0) -> str:
- """Return a RST formatted field"""
- return headroom(level) + f":{key}: {value}"
+ def rst_fields(self, key: str, value: str, level: int = 0) -> str:
+ """Return a RST formatted field"""
+ return self.headroom(level) + f":{key}: {value}"
-def rst_definition(key: str, value: Any, level: int = 0) -> str:
- """Format a single rst definition"""
- return headroom(level) + key + "\n" + headroom(level + 1) + str(value)
+ def rst_definition(self, key: str, value: Any, level: int = 0) -> str:
+ """Format a single rst definition"""
+ return self.headroom(level) + key + "\n" + self.headroom(level + 1) + str(value)
-def rst_paragraph(paragraph: str, level: int = 0) -> str:
- """Return a formatted paragraph"""
- return headroom(level) + paragraph
+ def rst_paragraph(self, paragraph: str, level: int = 0) -> str:
+ """Return a formatted paragraph"""
+ return self.headroom(level) + paragraph
-def rst_bullet(item: str, level: int = 0) -> str:
- """Return a formatted a bullet"""
- return headroom(level) + f"- {item}"
+ def rst_bullet(self, item: str, level: int = 0) -> str:
+ """Return a formatted a bullet"""
+ return self.headroom(level) + f"- {item}"
-def rst_subsection(title: str) -> str:
- """Add a sub-section to the document"""
- return f"{title}\n" + "-" * len(title)
+ @staticmethod
+ def rst_subsection(title: str) -> str:
+ """Add a sub-section to the document"""
+ return f"{title}\n" + "-" * len(title)
-def rst_subsubsection(title: str) -> str:
- """Add a sub-sub-section to the document"""
- return f"{title}\n" + "~" * len(title)
+ @staticmethod
+ def rst_subsubsection(title: str) -> str:
+ """Add a sub-sub-section to the document"""
+ return f"{title}\n" + "~" * len(title)
-def rst_section(namespace: str, prefix: str, title: str) -> str:
- """Add a section to the document"""
- return f".. _{namespace}-{prefix}-{title}:\n\n{title}\n" + "=" * len(title)
+ @staticmethod
+ def rst_section(namespace: str, prefix: str, title: str) -> str:
+ """Add a section to the document"""
+ return f".. _{namespace}-{prefix}-{title}:\n\n{title}\n" + "=" * len(title)
-def rst_subtitle(title: str) -> str:
- """Add a subtitle to the document"""
- return "\n" + "-" * len(title) + f"\n{title}\n" + "-" * len(title) + "\n\n"
+ @staticmethod
+ def rst_subtitle(title: str) -> str:
+ """Add a subtitle to the document"""
+ return "\n" + "-" * len(title) + f"\n{title}\n" + "-" * len(title) + "\n\n"
-def rst_title(title: str) -> str:
- """Add a title to the document"""
- return "=" * len(title) + f"\n{title}\n" + "=" * len(title) + "\n\n"
+ @staticmethod
+ def rst_title(title: str) -> str:
+ """Add a title to the document"""
+ return "=" * len(title) + f"\n{title}\n" + "=" * len(title) + "\n\n"
-def rst_list_inline(list_: List[str], level: int = 0) -> str:
- """Format a list using inlines"""
- return headroom(level) + "[" + ", ".join(inline(i) for i in list_) + "]"
+ def rst_list_inline(self, list_: List[str], level: int = 0) -> str:
+ """Format a list using inlines"""
+ return self.headroom(level) + "[" + ", ".join(self.inline(i) for i in list_) + "]"
-def rst_ref(namespace: str, prefix: str, name: str) -> str:
- """Add a hyperlink to the document"""
- mappings = {'enum': 'definition',
- 'fixed-header': 'definition',
- 'nested-attributes': 'attribute-set',
- 'struct': 'definition'}
- if prefix in mappings:
- prefix = mappings[prefix]
- return f":ref:`{namespace}-{prefix}-{name}`"
+ @staticmethod
+ def rst_ref(namespace: str, prefix: str, name: str) -> str:
+ """Add a hyperlink to the document"""
+ mappings = {'enum': 'definition',
+ 'fixed-header': 'definition',
+ 'nested-attributes': 'attribute-set',
+ 'struct': 'definition'}
+ if prefix in mappings:
+ prefix = mappings[prefix]
+ return f":ref:`{namespace}-{prefix}-{name}`"
-def rst_header() -> str:
- """The headers for all the auto generated RST files"""
- lines = []
- lines.append(rst_paragraph(".. SPDX-License-Identifier: GPL-2.0"))
- lines.append(rst_paragraph(".. NOTE: This document was auto-generated.\n\n"))
+ def rst_header(self) -> str:
+ """The headers for all the auto generated RST files"""
+ lines = []
- return "\n".join(lines)
+ lines.append(self.rst_paragraph(".. SPDX-License-Identifier: GPL-2.0"))
+ lines.append(self.rst_paragraph(".. NOTE: This document was auto-generated.\n\n"))
+ return "\n".join(lines)
-def rst_toctree(maxdepth: int = 2) -> str:
- """Generate a toctree RST primitive"""
- lines = []
- lines.append(".. toctree::")
- lines.append(f" :maxdepth: {maxdepth}\n\n")
+ @staticmethod
+ def rst_toctree(maxdepth: int = 2) -> str:
+ """Generate a toctree RST primitive"""
+ lines = []
- return "\n".join(lines)
+ lines.append(".. toctree::")
+ lines.append(f" :maxdepth: {maxdepth}\n\n")
+ return "\n".join(lines)
-def rst_label(title: str) -> str:
- """Return a formatted label"""
- return f".. _{title}:\n\n"
+ @staticmethod
+ def rst_label(title: str) -> str:
+ """Return a formatted label"""
+ return f".. _{title}:\n\n"
+# =======
# Parsers
# =======
+class NetlinkYamlParser:
+
+ fmt = RstFormatters()
+
+ def parse_mcast_group(self, mcast_group: List[Dict[str, Any]]) -> str:
+ """Parse 'multicast' group list and return a formatted string"""
+ lines = []
+ for group in mcast_group:
+ lines.append(self.fmt.rst_bullet(group["name"]))
+
+ return "\n".join(lines)
+
+
+ def parse_do(self, do_dict: Dict[str, Any], level: int = 0) -> str:
+ """Parse 'do' section and return a formatted string"""
+ lines = []
+ for key in do_dict.keys():
+ lines.append(self.fmt.rst_paragraph(self.fmt.bold(key), level + 1))
+ if key in ['request', 'reply']:
+ lines.append(self.parse_do_attributes(do_dict[key], level + 1) + "\n")
+ else:
+ lines.append(self.fmt.headroom(level + 2) + do_dict[key] + "\n")
+
+ return "\n".join(lines)
+
+
+ def parse_do_attributes(self, attrs: Dict[str, Any], level: int = 0) -> str:
+ """Parse 'attributes' section"""
+ if "attributes" not in attrs:
+ return ""
+ lines = [self.fmt.rst_fields("attributes", self.fmt.rst_list_inline(attrs["attributes"]), level + 1)]
+
+ return "\n".join(lines)
+
+
+ def parse_operations(self, operations: List[Dict[str, Any]], namespace: str) -> str:
+ """Parse operations block"""
+ preprocessed = ["name", "doc", "title", "do", "dump", "flags"]
+ linkable = ["fixed-header", "attribute-set"]
+ lines = []
+
+ for operation in operations:
+ lines.append(self.fmt.rst_section(namespace, 'operation', operation["name"]))
+ lines.append(self.fmt.rst_paragraph(operation["doc"]) + "\n")
+
+ for key in operation.keys():
+ if key in preprocessed:
+ # Skip the special fields
+ continue
+ value = operation[key]
+ if key in linkable:
+ value = self.fmt.rst_ref(namespace, key, value)
+ lines.append(self.fmt.rst_fields(key, value, 0))
+ if 'flags' in operation:
+ lines.append(self.fmt.rst_fields('flags', self.fmt.rst_list_inline(operation['flags'])))
+
+ if "do" in operation:
+ lines.append(self.fmt.rst_paragraph(":do:", 0))
+ lines.append(self.parse_do(operation["do"], 0))
+ if "dump" in operation:
+ lines.append(self.fmt.rst_paragraph(":dump:", 0))
+ lines.append(self.parse_do(operation["dump"], 0))
+
+ # New line after fields
+ lines.append("\n")
+
+ return "\n".join(lines)
+
+
+ def parse_entries(self, entries: List[Dict[str, Any]], level: int) -> str:
+ """Parse a list of entries"""
+ ignored = ["pad"]
+ lines = []
+ for entry in entries:
+ if isinstance(entry, dict):
+ # entries could be a list or a dictionary
+ field_name = entry.get("name", "")
+ if field_name in ignored:
+ continue
+ type_ = entry.get("type")
+ if type_:
+ field_name += f" ({self.fmt.inline(type_)})"
+ lines.append(
+ self.fmt.rst_fields(field_name, self.fmt.sanitize(entry.get("doc", "")), level)
+ )
+ elif isinstance(entry, list):
+ lines.append(self.fmt.rst_list_inline(entry, level))
+ else:
+ lines.append(self.fmt.rst_bullet(self.fmt.inline(self.fmt.sanitize(entry)), level))
+ lines.append("\n")
+ return "\n".join(lines)
-def parse_mcast_group(mcast_group: List[Dict[str, Any]]) -> str:
- """Parse 'multicast' group list and return a formatted string"""
- lines = []
- for group in mcast_group:
- lines.append(rst_bullet(group["name"]))
-
- return "\n".join(lines)
-
-
-def parse_do(do_dict: Dict[str, Any], level: int = 0) -> str:
- """Parse 'do' section and return a formatted string"""
- lines = []
- for key in do_dict.keys():
- lines.append(rst_paragraph(bold(key), level + 1))
- if key in ['request', 'reply']:
- lines.append(parse_do_attributes(do_dict[key], level + 1) + "\n")
- else:
- lines.append(headroom(level + 2) + do_dict[key] + "\n")
-
- return "\n".join(lines)
-
-
-def parse_do_attributes(attrs: Dict[str, Any], level: int = 0) -> str:
- """Parse 'attributes' section"""
- if "attributes" not in attrs:
- return ""
- lines = [rst_fields("attributes", rst_list_inline(attrs["attributes"]), level + 1)]
-
- return "\n".join(lines)
-
-
-def parse_operations(operations: List[Dict[str, Any]], namespace: str) -> str:
- """Parse operations block"""
- preprocessed = ["name", "doc", "title", "do", "dump", "flags"]
- linkable = ["fixed-header", "attribute-set"]
- lines = []
-
- for operation in operations:
- lines.append(rst_section(namespace, 'operation', operation["name"]))
- lines.append(rst_paragraph(operation["doc"]) + "\n")
-
- for key in operation.keys():
- if key in preprocessed:
- # Skip the special fields
- continue
- value = operation[key]
- if key in linkable:
- value = rst_ref(namespace, key, value)
- lines.append(rst_fields(key, value, 0))
- if 'flags' in operation:
- lines.append(rst_fields('flags', rst_list_inline(operation['flags'])))
-
- if "do" in operation:
- lines.append(rst_paragraph(":do:", 0))
- lines.append(parse_do(operation["do"], 0))
- if "dump" in operation:
- lines.append(rst_paragraph(":dump:", 0))
- lines.append(parse_do(operation["dump"], 0))
- # New line after fields
- lines.append("\n")
+ def parse_definitions(self, defs: Dict[str, Any], namespace: str) -> str:
+ """Parse definitions section"""
+ preprocessed = ["name", "entries", "members"]
+ ignored = ["render-max"] # This is not printed
+ lines = []
- return "\n".join(lines)
-
-
-def parse_entries(entries: List[Dict[str, Any]], level: int) -> str:
- """Parse a list of entries"""
- ignored = ["pad"]
- lines = []
- for entry in entries:
- if isinstance(entry, dict):
- # entries could be a list or a dictionary
- field_name = entry.get("name", "")
- if field_name in ignored:
- continue
- type_ = entry.get("type")
- if type_:
- field_name += f" ({inline(type_)})"
- lines.append(
- rst_fields(field_name, sanitize(entry.get("doc", "")), level)
- )
- elif isinstance(entry, list):
- lines.append(rst_list_inline(entry, level))
- else:
- lines.append(rst_bullet(inline(sanitize(entry)), level))
-
- lines.append("\n")
- return "\n".join(lines)
-
-
-def parse_definitions(defs: Dict[str, Any], namespace: str) -> str:
- """Parse definitions section"""
- preprocessed = ["name", "entries", "members"]
- ignored = ["render-max"] # This is not printed
- lines = []
-
- for definition in defs:
- lines.append(rst_section(namespace, 'definition', definition["name"]))
- for k in definition.keys():
- if k in preprocessed + ignored:
- continue
- lines.append(rst_fields(k, sanitize(definition[k]), 0))
-
- # Field list needs to finish with a new line
- lines.append("\n")
- if "entries" in definition:
- lines.append(rst_paragraph(":entries:", 0))
- lines.append(parse_entries(definition["entries"], 1))
- if "members" in definition:
- lines.append(rst_paragraph(":members:", 0))
- lines.append(parse_entries(definition["members"], 1))
-
- return "\n".join(lines)
-
-
-def parse_attr_sets(entries: List[Dict[str, Any]], namespace: str) -> str:
- """Parse attribute from attribute-set"""
- preprocessed = ["name", "type"]
- linkable = ["enum", "nested-attributes", "struct", "sub-message"]
- ignored = ["checks"]
- lines = []
-
- for entry in entries:
- lines.append(rst_section(namespace, 'attribute-set', entry["name"]))
- for attr in entry["attributes"]:
- type_ = attr.get("type")
- attr_line = attr["name"]
- if type_:
- # Add the attribute type in the same line
- attr_line += f" ({inline(type_)})"
-
- lines.append(rst_subsubsection(attr_line))
-
- for k in attr.keys():
+ for definition in defs:
+ lines.append(self.fmt.rst_section(namespace, 'definition', definition["name"]))
+ for k in definition.keys():
if k in preprocessed + ignored:
continue
- if k in linkable:
- value = rst_ref(namespace, k, attr[k])
- else:
- value = sanitize(attr[k])
- lines.append(rst_fields(k, value, 0))
+ lines.append(self.fmt.rst_fields(k, self.fmt.sanitize(definition[k]), 0))
+
+ # Field list needs to finish with a new line
lines.append("\n")
+ if "entries" in definition:
+ lines.append(self.fmt.rst_paragraph(":entries:", 0))
+ lines.append(self.parse_entries(definition["entries"], 1))
+ if "members" in definition:
+ lines.append(self.fmt.rst_paragraph(":members:", 0))
+ lines.append(self.parse_entries(definition["members"], 1))
- return "\n".join(lines)
+ return "\n".join(lines)
-def parse_sub_messages(entries: List[Dict[str, Any]], namespace: str) -> str:
- """Parse sub-message definitions"""
- lines = []
+ def parse_attr_sets(self, entries: List[Dict[str, Any]], namespace: str) -> str:
+ """Parse attribute from attribute-set"""
+ preprocessed = ["name", "type"]
+ linkable = ["enum", "nested-attributes", "struct", "sub-message"]
+ ignored = ["checks"]
+ lines = []
- for entry in entries:
- lines.append(rst_section(namespace, 'sub-message', entry["name"]))
- for fmt in entry["formats"]:
- value = fmt["value"]
+ for entry in entries:
+ lines.append(self.fmt.rst_section(namespace, 'attribute-set', entry["name"]))
+ for attr in entry["attributes"]:
+ type_ = attr.get("type")
+ attr_line = attr["name"]
+ if type_:
+ # Add the attribute type in the same line
+ attr_line += f" ({self.fmt.inline(type_)})"
- lines.append(rst_bullet(bold(value)))
- for attr in ['fixed-header', 'attribute-set']:
- if attr in fmt:
- lines.append(rst_fields(attr,
- rst_ref(namespace, attr, fmt[attr]),
- 1))
- lines.append("\n")
+ lines.append(self.fmt.rst_subsubsection(attr_line))
+
+ for k in attr.keys():
+ if k in preprocessed + ignored:
+ continue
+ if k in linkable:
+ value = self.fmt.rst_ref(namespace, k, attr[k])
+ else:
+ value = self.fmt.sanitize(attr[k])
+ lines.append(self.fmt.rst_fields(k, value, 0))
+ lines.append("\n")
+
+ return "\n".join(lines)
+
+
+ def parse_sub_messages(self, entries: List[Dict[str, Any]], namespace: str) -> str:
+ """Parse sub-message definitions"""
+ lines = []
+
+ for entry in entries:
+ lines.append(self.fmt.rst_section(namespace, 'sub-message', entry["name"]))
+ for fmt in entry["formats"]:
+ value = fmt["value"]
+
+ lines.append(self.fmt.rst_bullet(self.fmt.bold(value)))
+ for attr in ['fixed-header', 'attribute-set']:
+ if attr in fmt:
+ lines.append(self.fmt.rst_fields(attr,
+ self.fmt.rst_ref(namespace, attr, fmt[attr]),
+ 1))
+ lines.append("\n")
+
+ return "\n".join(lines)
- return "\n".join(lines)
+ def parse_yaml(self, obj: Dict[str, Any]) -> str:
+ """Format the whole YAML into a RST string"""
+ lines = []
-def parse_yaml(obj: Dict[str, Any]) -> str:
- """Format the whole YAML into a RST string"""
- lines = []
+ # Main header
- # Main header
+ family = obj['name']
- family = obj['name']
+ lines.append(self.fmt.rst_header())
+ lines.append(self.fmt.rst_label("netlink-" + family))
- lines.append(rst_header())
- lines.append(rst_label("netlink-" + family))
+ title = f"Family ``{family}`` netlink specification"
+ lines.append(self.fmt.rst_title(title))
+ lines.append(self.fmt.rst_paragraph(".. contents:: :depth: 3\n"))
- title = f"Family ``{family}`` netlink specification"
- lines.append(rst_title(title))
- lines.append(rst_paragraph(".. contents:: :depth: 3\n"))
+ if "doc" in obj:
+ lines.append(self.fmt.rst_subtitle("Summary"))
+ lines.append(self.fmt.rst_paragraph(obj["doc"], 0))
- if "doc" in obj:
- lines.append(rst_subtitle("Summary"))
- lines.append(rst_paragraph(obj["doc"], 0))
+ # Operations
+ if "operations" in obj:
+ lines.append(self.fmt.rst_subtitle("Operations"))
+ lines.append(self.parse_operations(obj["operations"]["list"], family))
- # Operations
- if "operations" in obj:
- lines.append(rst_subtitle("Operations"))
- lines.append(parse_operations(obj["operations"]["list"], family))
+ # Multicast groups
+ if "mcast-groups" in obj:
+ lines.append(self.fmt.rst_subtitle("Multicast groups"))
+ lines.append(self.parse_mcast_group(obj["mcast-groups"]["list"]))
- # Multicast groups
- if "mcast-groups" in obj:
- lines.append(rst_subtitle("Multicast groups"))
- lines.append(parse_mcast_group(obj["mcast-groups"]["list"]))
+ # Definitions
+ if "definitions" in obj:
+ lines.append(self.fmt.rst_subtitle("Definitions"))
+ lines.append(self.parse_definitions(obj["definitions"], family))
- # Definitions
- if "definitions" in obj:
- lines.append(rst_subtitle("Definitions"))
- lines.append(parse_definitions(obj["definitions"], family))
+ # Attributes set
+ if "attribute-sets" in obj:
+ lines.append(self.fmt.rst_subtitle("Attribute sets"))
+ lines.append(self.parse_attr_sets(obj["attribute-sets"], family))
- # Attributes set
- if "attribute-sets" in obj:
- lines.append(rst_subtitle("Attribute sets"))
- lines.append(parse_attr_sets(obj["attribute-sets"], family))
+ # Sub-messages
+ if "sub-messages" in obj:
+ lines.append(self.fmt.rst_subtitle("Sub-messages"))
+ lines.append(self.parse_sub_messages(obj["sub-messages"], family))
- # Sub-messages
- if "sub-messages" in obj:
- lines.append(rst_subtitle("Sub-messages"))
- lines.append(parse_sub_messages(obj["sub-messages"], family))
+ return "\n".join(lines)
- return "\n".join(lines)
+ # Main functions
+ # ==============
-# Main functions
-# ==============
+ def parse_yaml_file(self, filename: str) -> str:
+ """Transform the YAML specified by filename into an RST-formatted string"""
+ with open(filename, "r", encoding="utf-8") as spec_file:
+ yaml_data = yaml.safe_load(spec_file)
+ content = self.parse_yaml(yaml_data)
-def parse_yaml_file(filename: str) -> str:
- """Transform the YAML specified by filename into an RST-formatted string"""
- with open(filename, "r", encoding="utf-8") as spec_file:
- yaml_data = yaml.safe_load(spec_file)
- content = parse_yaml(yaml_data)
+ return content
- return content
+ def generate_main_index_rst(self, output: str, index_dir: str) -> None:
+ """Generate the `networking_spec/index` content and write to the file"""
+ lines = []
-def generate_main_index_rst(output: str, index_dir: str) -> str:
- """Generate the `networking_spec/index` content and write to the file"""
- lines = []
+ lines.append(self.fmt.rst_header())
+ lines.append(self.fmt.rst_label("specs"))
+ lines.append(self.fmt.rst_title("Netlink Family Specifications"))
+ lines.append(self.fmt.rst_toctree(1))
- lines.append(rst_header())
- lines.append(rst_label("specs"))
- lines.append(rst_title("Netlink Family Specifications"))
- lines.append(rst_toctree(1))
+ index_fname = os.path.basename(output)
+ base, ext = os.path.splitext(index_fname)
- index_fname = os.path.basename(output)
- base, ext = os.path.splitext(index_fname)
+ if not index_dir:
+ index_dir = os.path.dirname(output)
- if not index_dir:
- index_dir = os.path.dirname(output)
+ logging.debug(f"Looking for {ext} files in %s", index_dir)
+ for filename in sorted(os.listdir(index_dir)):
+ if not filename.endswith(ext) or filename == index_fname:
+ continue
+ base, ext = os.path.splitext(filename)
+ lines.append(f" {base}\n")
- logging.debug(f"Looking for {ext} files in %s", index_dir)
- for filename in sorted(os.listdir(index_dir)):
- if not filename.endswith(ext) or filename == index_fname:
- continue
- base, ext = os.path.splitext(filename)
- lines.append(f" {base}\n")
+ logging.debug("Writing an index file at %s", output)
- return "".join(lines), output
+ return "".join(lines)
diff --git a/tools/net/ynl/pyynl/ynl_gen_rst.py b/tools/net/ynl/pyynl/ynl_gen_rst.py
index 38dafe3d9179..257288f707af 100755
--- a/tools/net/ynl/pyynl/ynl_gen_rst.py
+++ b/tools/net/ynl/pyynl/ynl_gen_rst.py
@@ -10,12 +10,7 @@
This script performs extensive parsing to the Linux kernel's netlink YAML
spec files, in an effort to avoid needing to heavily mark up the original
- YAML file.
-
- This code is split in three big parts:
- 1) RST formatters: Use to convert a string to a RST output
- 2) Parser helpers: Functions to parse the YAML data structure
- 3) Main function and small helpers
+ YAML file. It uses the library code from scripts/lib.
"""
import os.path
@@ -28,7 +23,7 @@ SRC_DIR = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.join(SRC_DIR, LIB_DIR))
-from netlink_yml_parser import parse_yaml_file, generate_main_index_rst
+from netlink_yml_parser import NetlinkYamlParser
def parse_arguments() -> argparse.Namespace:
@@ -76,10 +71,10 @@ def write_to_rstfile(content: str, filename: str) -> None:
rst_file.write(content)
-def write_index_rst(output: str, index_dir: str) -> None:
+def write_index_rst(parser: NetlinkYamlParser, output: str, index_dir: str) -> None:
"""Generate the `networking_spec/index` content and write to the file"""
- msg = generate_main_index_rst(output, index_dir)
+ msg = parser.generate_main_index_rst(output, index_dir)
logging.debug("Writing an index file at %s", output)
write_to_rstfile(msg, output)
@@ -90,10 +85,12 @@ def main() -> None:
args = parse_arguments()
+ parser = NetlinkYamlParser()
+
if args.input:
logging.debug("Parsing %s", args.input)
try:
- content = parse_yaml_file(os.path.join(args.input))
+ content = parser.parse_yaml_file(os.path.join(args.input))
except Exception as exception:
logging.warning("Failed to parse %s.", args.input)
logging.warning(exception)
@@ -103,7 +100,7 @@ def main() -> None:
if args.index:
# Generate the index RST file
- write_index_rst(args.output, args.input_dir)
+ write_index_rst(parser, args.output, args.input_dir)
if __name__ == "__main__":
--
2.49.0
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