[PATCH v2 05/12] tools: ynl_gen_rst.py: Split library from command line tool

Mauro Carvalho Chehab
2025-06-12T10:32:24Z

As we'll be using the Netlink specs parser inside a Sphinx
extension, move the library part from the command line parser.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
scripts/lib/netlink_yml_parser.py | 391 +++++++++++++++++++++++++++++
tools/net/ynl/pyynl/ynl_gen_rst.py | 374 +--------------------------
2 files changed, 401 insertions(+), 364 deletions(-)
create mode 100755 scripts/lib/netlink_yml_parser.py

diff --git a/scripts/lib/netlink_yml_parser.py b/scripts/lib/netlink_yml_parser.py
new file mode 100755
index 000000000000..3c15b578f947
--- /dev/null
+++ b/scripts/lib/netlink_yml_parser.py
@@ -0,0 +1,391 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
+# -*- coding: utf-8; mode: python -*-
+
+"""
+ Script to auto generate the documentation for Netlink specifications.
+
+ :copyright: Copyright (C) 2023 Breno Leitao <leitao@debian.org>
+ :license: GPL Version 2, June 1991 see linux/COPYING for details.
+
+ 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
+"""
+
+from typing import Any, Dict, List
+import os.path
+import logging
+import yaml
+
+
+SPACE_PER_LEVEL = 4
+
+
+# RST Formatters
+# ==============
+def headroom(level: int) -> str:
+ """Return space to format"""
+ return " " * (level * SPACE_PER_LEVEL)
+
+
+def bold(text: str) -> str:
+ """Format bold text"""
+ return f"**{text}**"
+
+
+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()
+
+
+def rst_fields(key: str, value: str, level: int = 0) -> str:
+ """Return a RST formatted field"""
+ return 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_paragraph(paragraph: str, level: int = 0) -> str:
+ """Return a formatted paragraph"""
+ return headroom(level) + paragraph
+
+
+def rst_bullet(item: str, level: int = 0) -> str:
+ """Return a formatted a bullet"""
+ return headroom(level) + f"- {item}"
+
+
+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)
+
+
+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"
+
+
+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_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"))
+
+ 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")
+
+ return "\n".join(lines)
+
+
+def rst_label(title: str) -> str:
+ """Return a formatted label"""
+ return f".. _{title}:\n\n"
+
+
+# Parsers
+# =======
+
+
+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")
+
+ 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():
+ 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("\n")
+
+ return "\n".join(lines)
+
+
+def parse_sub_messages(entries: List[Dict[str, Any]], namespace: str) -> str:
+ """Parse sub-message definitions"""
+ lines = []
+
+ for entry in entries:
+ lines.append(rst_section(namespace, 'sub-message', entry["name"]))
+ for fmt in entry["formats"]:
+ value = fmt["value"]
+
+ 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")
+
+ return "\n".join(lines)
+
+
+def parse_yaml(obj: Dict[str, Any]) -> str:
+ """Format the whole YAML into a RST string"""
+ lines = []
+
+ # Main header
+
+ family = obj['name']
+
+ lines.append(rst_header())
+ lines.append(rst_label("netlink-" + family))
+
+ 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(rst_subtitle("Summary"))
+ lines.append(rst_paragraph(obj["doc"], 0))
+
+ # 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(rst_subtitle("Multicast groups"))
+ lines.append(parse_mcast_group(obj["mcast-groups"]["list"]))
+
+ # 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(rst_subtitle("Attribute sets"))
+ lines.append(parse_attr_sets(obj["attribute-sets"], 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)
+
+
+# Main functions
+# ==============
+
+
+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
+
+
+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(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)
+
+ 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")
+
+ return "".join(lines), output
diff --git a/tools/net/ynl/pyynl/ynl_gen_rst.py b/tools/net/ynl/pyynl/ynl_gen_rst.py
index b1e5acafb998..38dafe3d9179 100755
--- a/tools/net/ynl/pyynl/ynl_gen_rst.py
+++ b/tools/net/ynl/pyynl/ynl_gen_rst.py
@@ -18,345 +18,17 @@
3) Main function and small helpers
"""

-from typing import Any, Dict, List
import os.path
import sys
import argparse
import logging
-import yaml

+LIB_DIR = "../../../../scripts/lib"
+SRC_DIR = os.path.dirname(os.path.realpath(__file__))

-SPACE_PER_LEVEL = 4
+sys.path.insert(0, os.path.join(SRC_DIR, LIB_DIR))

-
-# RST Formatters
-# ==============
-def headroom(level: int) -> str:
- """Return space to format"""
- return " " * (level * SPACE_PER_LEVEL)
-
-
-def bold(text: str) -> str:
- """Format bold text"""
- return f"**{text}**"
-
-
-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()
-
-
-def rst_fields(key: str, value: str, level: int = 0) -> str:
- """Return a RST formatted field"""
- return 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_paragraph(paragraph: str, level: int = 0) -> str:
- """Return a formatted paragraph"""
- return headroom(level) + paragraph
-
-
-def rst_bullet(item: str, level: int = 0) -> str:
- """Return a formatted a bullet"""
- return headroom(level) + f"- {item}"
-
-
-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)
-
-
-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"
-
-
-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_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"))
-
- 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")
-
- return "\n".join(lines)
-
-
-def rst_label(title: str) -> str:
- """Return a formatted label"""
- return f".. _{title}:\n\n"
-
-
-# Parsers
-# =======
-
-
-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")
-
- 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():
- 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("\n")
-
- return "\n".join(lines)
-
-
-def parse_sub_messages(entries: List[Dict[str, Any]], namespace: str) -> str:
- """Parse sub-message definitions"""
- lines = []
-
- for entry in entries:
- lines.append(rst_section(namespace, 'sub-message', entry["name"]))
- for fmt in entry["formats"]:
- value = fmt["value"]
-
- 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")
-
- return "\n".join(lines)
-
-
-def parse_yaml(obj: Dict[str, Any]) -> str:
- """Format the whole YAML into a RST string"""
- lines = []
-
- # Main header
-
- family = obj['name']
-
- lines.append(rst_header())
- lines.append(rst_label("netlink-" + family))
-
- 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(rst_subtitle("Summary"))
- lines.append(rst_paragraph(obj["doc"], 0))
-
- # 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(rst_subtitle("Multicast groups"))
- lines.append(parse_mcast_group(obj["mcast-groups"]["list"]))
-
- # 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(rst_subtitle("Attribute sets"))
- lines.append(parse_attr_sets(obj["attribute-sets"], 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)
-
-
-# Main functions
-# ==============
+from netlink_yml_parser import parse_yaml_file, generate_main_index_rst

def parse_arguments() -> argparse.Namespace:
@@ -393,50 +65,24 @@ def parse_arguments() -> argparse.Namespace:
return args

-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
-
-
def write_to_rstfile(content: str, filename: str) -> None:
"""Write the generated content into an RST file"""
logging.debug("Saving RST file to %s", filename)

- dir = os.path.dirname(filename)
- os.makedirs(dir, exist_ok=True)
+ directory = os.path.dirname(filename)
+ os.makedirs(directory, exist_ok=True)

with open(filename, "w", encoding="utf-8") as rst_file:
rst_file.write(content)

-def generate_main_index_rst(output: str, index_dir: str) -> None:
+def write_index_rst(output: str, index_dir: str) -> None:
"""Generate the `networking_spec/index` content and write to the file"""
- lines = []

- 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)
-
- 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")
+ msg = generate_main_index_rst(output, index_dir)

logging.debug("Writing an index file at %s", output)
- write_to_rstfile("".join(lines), output)
+ write_to_rstfile(msg, output)

def main() -> None:
@@ -457,7 +103,7 @@ def main() -> None:

if args.index:
# Generate the index RST file
- generate_main_index_rst(args.output, args.input_dir)
+ write_index_rst(args.output, args.input_dir)

if __name__ == "__main__":
--
2.49.0