This patch adds an explicit section "kind" to all QAPIDoc
sections. Members/Features are now explicitly marked as such, with the
name now being stored in a dedicated "name" field (which qapidoc.py was
not actually using anyway.)
The qapi-schema tests are updated to account for the new section names;
mostly "TODO" becomes "Todo" and `None` becomes "Plain".
Signed-off-by: John Snow <jsnow@redhat.com>
---
docs/sphinx/qapidoc.py | 7 ++-
scripts/qapi/parser.py | 109 ++++++++++++++++++++++++---------
tests/qapi-schema/doc-good.out | 10 +--
tests/qapi-schema/test-qapi.py | 2 +-
4 files changed, 90 insertions(+), 38 deletions(-)
diff --git a/docs/sphinx/qapidoc.py b/docs/sphinx/qapidoc.py
index 61997fd21af..d622398f1da 100644
--- a/docs/sphinx/qapidoc.py
+++ b/docs/sphinx/qapidoc.py
@@ -35,6 +35,7 @@
from docutils.statemachine import ViewList
from qapi.error import QAPIError, QAPISemError
from qapi.gen import QAPISchemaVisitor
+from qapi.parser import QAPIDoc
from qapi.schema import QAPISchema
from sphinx import addnodes
@@ -258,11 +259,11 @@ def _nodes_for_sections(self, doc):
"""Return list of doctree nodes for additional sections"""
nodelist = []
for section in doc.sections:
- if section.tag and section.tag == 'TODO':
+ if section.kind == QAPIDoc.Kind.TODO:
# Hide TODO: sections
continue
- if not section.tag:
+ if section.kind == QAPIDoc.Kind.PLAIN:
# Sphinx cannot handle sectionless titles;
# Instead, just append the results to the prior section.
container = nodes.container()
@@ -270,7 +271,7 @@ def _nodes_for_sections(self, doc):
nodelist += container.children
continue
- snode = self._make_section(section.tag)
+ snode = self._make_section(section.kind.name.title())
self._parse_text_into_node(dedent(section.text), snode)
nodelist.append(snode)
return nodelist
diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
index 36cb64a677a..c3004aa70c6 100644
--- a/scripts/qapi/parser.py
+++ b/scripts/qapi/parser.py
@@ -15,6 +15,7 @@
# See the COPYING file in the top-level directory.
from collections import OrderedDict
+import enum
import os
import re
from typing import (
@@ -575,7 +576,10 @@ def get_doc(self) -> 'QAPIDoc':
)
raise QAPIParseError(self, emsg)
- doc.new_tagged_section(self.info, match.group(1))
+ doc.new_tagged_section(
+ self.info,
+ QAPIDoc.Kind.from_string(match.group(1))
+ )
text = line[match.end():]
if text:
doc.append_line(text)
@@ -586,7 +590,7 @@ def get_doc(self) -> 'QAPIDoc':
self,
"unexpected '=' markup in definition documentation")
else:
- # tag-less paragraph
+ # plain paragraph(s)
doc.ensure_untagged_section(self.info)
doc.append_line(line)
line = self.get_doc_paragraph(doc)
@@ -635,14 +639,37 @@ class QAPIDoc:
Free-form documentation blocks consist only of a body section.
"""
+ class Kind(enum.Enum):
+ PLAIN = 0
+ MEMBER = 1
+ FEATURE = 2
+ RETURNS = 3
+ ERRORS = 4
+ SINCE = 5
+ TODO = 6
+
+ @staticmethod
+ def from_string(kind: str) -> 'QAPIDoc.Kind':
+ return QAPIDoc.Kind[kind.upper()]
+
+ def text_required(self) -> bool:
+ # Only "plain" sections can be empty
+ return self.value not in (0,)
+
+ def __str__(self) -> str:
+ return self.name.title()
+
class Section:
# pylint: disable=too-few-public-methods
- def __init__(self, info: QAPISourceInfo,
- tag: Optional[str] = None):
+ def __init__(
+ self,
+ info: QAPISourceInfo,
+ kind: 'QAPIDoc.Kind',
+ ):
# section source info, i.e. where it begins
self.info = info
- # section tag, if any ('Returns', '@name', ...)
- self.tag = tag
+ # section kind
+ self.kind = kind
# section text without tag
self.text = ''
@@ -650,8 +677,14 @@ def append_line(self, line: str) -> None:
self.text += line + '\n'
class ArgSection(Section):
- def __init__(self, info: QAPISourceInfo, tag: str):
- super().__init__(info, tag)
+ def __init__(
+ self,
+ info: QAPISourceInfo,
+ kind: 'QAPIDoc.Kind',
+ name: str
+ ):
+ super().__init__(info, kind)
+ self.name = name
self.member: Optional['QAPISchemaMember'] = None
def connect(self, member: 'QAPISchemaMember') -> None:
@@ -663,7 +696,9 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
# definition doc's symbol, None for free-form doc
self.symbol: Optional[str] = symbol
# the sections in textual order
- self.all_sections: List[QAPIDoc.Section] = [QAPIDoc.Section(info)]
+ self.all_sections: List[QAPIDoc.Section] = [
+ QAPIDoc.Section(info, QAPIDoc.Kind.PLAIN)
+ ]
# the body section
self.body: Optional[QAPIDoc.Section] = self.all_sections[0]
# dicts mapping parameter/feature names to their description
@@ -680,12 +715,17 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
def end(self) -> None:
for section in self.all_sections:
section.text = section.text.strip('\n')
- if section.tag is not None and section.text == '':
+ if section.kind.text_required() and section.text == '':
raise QAPISemError(
- section.info, "text required after '%s:'" % section.tag)
+ section.info, "text required after '%s:'" % section.kind)
- def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
- if self.all_sections and not self.all_sections[-1].tag:
+ def ensure_untagged_section(
+ self,
+ info: QAPISourceInfo,
+ ) -> None:
+ kind = QAPIDoc.Kind.PLAIN
+
+ if self.all_sections and self.all_sections[-1].kind == kind:
# extend current section
section = self.all_sections[-1]
if not section.text:
@@ -693,46 +733,56 @@ def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
section.info = info
section.text += '\n'
return
+
# start new section
- section = self.Section(info)
+ section = self.Section(info, kind)
self.sections.append(section)
self.all_sections.append(section)
- def new_tagged_section(self, info: QAPISourceInfo, tag: str) -> None:
- section = self.Section(info, tag)
- if tag == 'Returns':
+ def new_tagged_section(
+ self,
+ info: QAPISourceInfo,
+ kind: 'QAPIDoc.Kind',
+ ) -> None:
+ section = self.Section(info, kind)
+ if kind == QAPIDoc.Kind.RETURNS:
if self.returns:
raise QAPISemError(
- info, "duplicated '%s' section" % tag)
+ info, "duplicated '%s' section" % kind)
self.returns = section
- elif tag == 'Errors':
+ elif kind == QAPIDoc.Kind.ERRORS:
if self.errors:
raise QAPISemError(
- info, "duplicated '%s' section" % tag)
+ info, "duplicated '%s' section" % kind)
self.errors = section
- elif tag == 'Since':
+ elif kind == QAPIDoc.Kind.SINCE:
if self.since:
raise QAPISemError(
- info, "duplicated '%s' section" % tag)
+ info, "duplicated '%s' section" % kind)
self.since = section
self.sections.append(section)
self.all_sections.append(section)
- def _new_description(self, info: QAPISourceInfo, name: str,
- desc: Dict[str, ArgSection]) -> None:
+ def _new_description(
+ self,
+ info: QAPISourceInfo,
+ name: str,
+ kind: 'QAPIDoc.Kind',
+ desc: Dict[str, ArgSection]
+ ) -> None:
if not name:
raise QAPISemError(info, "invalid parameter name")
if name in desc:
raise QAPISemError(info, "'%s' parameter name duplicated" % name)
- section = self.ArgSection(info, '@' + name)
+ section = self.ArgSection(info, kind, name)
self.all_sections.append(section)
desc[name] = section
def new_argument(self, info: QAPISourceInfo, name: str) -> None:
- self._new_description(info, name, self.args)
+ self._new_description(info, name, QAPIDoc.Kind.MEMBER, self.args)
def new_feature(self, info: QAPISourceInfo, name: str) -> None:
- self._new_description(info, name, self.features)
+ self._new_description(info, name, QAPIDoc.Kind.FEATURE, self.features)
def append_line(self, line: str) -> None:
self.all_sections[-1].append_line(line)
@@ -744,8 +794,9 @@ def connect_member(self, member: 'QAPISchemaMember') -> None:
raise QAPISemError(member.info,
"%s '%s' lacks documentation"
% (member.role, member.name))
- self.args[member.name] = QAPIDoc.ArgSection(
- self.info, '@' + member.name)
+ section = QAPIDoc.ArgSection(
+ self.info, QAPIDoc.Kind.MEMBER, member.name)
+ self.args[member.name] = section
self.args[member.name].connect(member)
def connect_feature(self, feature: 'QAPISchemaFeature') -> None:
diff --git a/tests/qapi-schema/doc-good.out b/tests/qapi-schema/doc-good.out
index 0a9da3efdeb..5773f1dd6d6 100644
--- a/tests/qapi-schema/doc-good.out
+++ b/tests/qapi-schema/doc-good.out
@@ -113,7 +113,7 @@ The _one_ {and only}, description on the same line
Also _one_ {and only}
feature=enum-member-feat
a member feature
- section=None
+ section=Plain
@two is undocumented
doc symbol=Base
body=
@@ -171,15 +171,15 @@ description starts on the same line
a feature
feature=cmd-feat2
another feature
- section=None
+ section=Plain
.. note:: @arg3 is undocumented
section=Returns
@Object
section=Errors
some
- section=TODO
+ section=Todo
frobnicate
- section=None
+ section=Plain
.. admonition:: Notes
- Lorem ipsum dolor sit amet
@@ -212,7 +212,7 @@ If you're bored enough to read this, go see a video of boxed cats
a feature
feature=cmd-feat2
another feature
- section=None
+ section=Plain
.. qmp-example::
-> "this example"
diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
index 7e3f9f4aa1f..bca924309be 100755
--- a/tests/qapi-schema/test-qapi.py
+++ b/tests/qapi-schema/test-qapi.py
@@ -131,7 +131,7 @@ def test_frontend(fname):
for feat, section in doc.features.items():
print(' feature=%s\n%s' % (feat, section.text))
for section in doc.sections:
- print(' section=%s\n%s' % (section.tag, section.text))
+ print(' section=%s\n%s' % (section.kind, section.text))
def open_test_result(dir_name, file_name, update):
--
2.48.1Replaying review of a previous posting for your convenience...
John Snow <jsnow@redhat.com> writes:
> This patch adds an explicit section "kind" to all QAPIDoc
> sections. Members/Features are now explicitly marked as such, with the
> name now being stored in a dedicated "name" field (which qapidoc.py was
> not actually using anyway.)
I'm not sure what the parenthesis is trying to convey.
Before the patch, we have:
type tag
untagged Section None
@foo: ArgSection 'foo'
Returns: Section 'Returns'
Errors: Section 'Errors'
Since: Section 'Since'
TODO: Section 'TODO'
Afterwards, I believe:
type kind name
untagged Section PLAIN
@foo: ArgSection MEMBER 'foo' if member or argument
ArgSection FEATURE 'foo' if feature
Returns: Section RETURNS
Errors: Section ERRORS
Since: Section SINCE
TODO: Section TODO
So, .tag is replaced by .kind and .name, member vs. feature vs. other
tags is now obvious from .kind alone, i.e. there's no need to account
for context or type.
Fine print: why do we need to account for type before the patch?
Consider @Since: ...
> The qapi-schema tests are updated to account for the new section names;
> mostly "TODO" becomes "Todo" and `None` becomes "Plain".
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
> docs/sphinx/qapidoc.py | 7 ++-
> scripts/qapi/parser.py | 109 ++++++++++++++++++++++++---------
> tests/qapi-schema/doc-good.out | 10 +--
> tests/qapi-schema/test-qapi.py | 2 +-
> 4 files changed, 90 insertions(+), 38 deletions(-)
>
> diff --git a/docs/sphinx/qapidoc.py b/docs/sphinx/qapidoc.py
> index 61997fd21af..d622398f1da 100644
> --- a/docs/sphinx/qapidoc.py
> +++ b/docs/sphinx/qapidoc.py
> @@ -35,6 +35,7 @@
> from docutils.statemachine import ViewList
> from qapi.error import QAPIError, QAPISemError
> from qapi.gen import QAPISchemaVisitor
> +from qapi.parser import QAPIDoc
> from qapi.schema import QAPISchema
>
> from sphinx import addnodes
> @@ -258,11 +259,11 @@ def _nodes_for_sections(self, doc):
> """Return list of doctree nodes for additional sections"""
> nodelist = []
> for section in doc.sections:
> - if section.tag and section.tag == 'TODO':
> + if section.kind == QAPIDoc.Kind.TODO:
> # Hide TODO: sections
> continue
>
> - if not section.tag:
> + if section.kind == QAPIDoc.Kind.PLAIN:
> # Sphinx cannot handle sectionless titles;
> # Instead, just append the results to the prior section.
> container = nodes.container()
> @@ -270,7 +271,7 @@ def _nodes_for_sections(self, doc):
> nodelist += container.children
> continue
>
> - snode = self._make_section(section.tag)
> + snode = self._make_section(section.kind.name.title())
> self._parse_text_into_node(dedent(section.text), snode)
> nodelist.append(snode)
> return nodelist
> diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
> index 36cb64a677a..c3004aa70c6 100644
> --- a/scripts/qapi/parser.py
> +++ b/scripts/qapi/parser.py
> @@ -15,6 +15,7 @@
> # See the COPYING file in the top-level directory.
>
> from collections import OrderedDict
> +import enum
> import os
> import re
> from typing import (
> @@ -575,7 +576,10 @@ def get_doc(self) -> 'QAPIDoc':
> )
> raise QAPIParseError(self, emsg)
>
> - doc.new_tagged_section(self.info, match.group(1))
> + doc.new_tagged_section(
> + self.info,
> + QAPIDoc.Kind.from_string(match.group(1))
> + )
> text = line[match.end():]
> if text:
> doc.append_line(text)
> @@ -586,7 +590,7 @@ def get_doc(self) -> 'QAPIDoc':
> self,
> "unexpected '=' markup in definition documentation")
> else:
> - # tag-less paragraph
> + # plain paragraph(s)
We're parsing a single pargraph here. The plain section we add it to
may have any number of paragraphs. But for me, the comment is about
what's being parsed. Mind to drop (s)?
> doc.ensure_untagged_section(self.info)
> doc.append_line(line)
> line = self.get_doc_paragraph(doc)
> @@ -635,14 +639,37 @@ class QAPIDoc:
> Free-form documentation blocks consist only of a body section.
> """
>
> + class Kind(enum.Enum):
> + PLAIN = 0
> + MEMBER = 1
> + FEATURE = 2
> + RETURNS = 3
> + ERRORS = 4
> + SINCE = 5
> + TODO = 6
> +
> + @staticmethod
> + def from_string(kind: str) -> 'QAPIDoc.Kind':
Remind me, why do we need to quote the type here?
> + return QAPIDoc.Kind[kind.upper()]
> +
> + def text_required(self) -> bool:
> + # Only "plain" sections can be empty
> + return self.value not in (0,)
Rather roundabout way to check for PLAIN, isn't it?
There's just one caller (see below). I doubt the method is worth its
keep.
> +
> + def __str__(self) -> str:
> + return self.name.title()
> +
I wonder whether a simple StrEnum without methods would do. Oh, StrEnum
is new in 3.11. Nevermind.
Hmm.
>>> Kind = Enum('Kind', [('PLAIN', 'Plain'), ('TODO, 'TODO)])
>>> kind=Kind('Plain')
>>> kind.value
'Plain'
What do you think?
> class Section:
> # pylint: disable=too-few-public-methods
> - def __init__(self, info: QAPISourceInfo,
> - tag: Optional[str] = None):
> + def __init__(
> + self,
> + info: QAPISourceInfo,
> + kind: 'QAPIDoc.Kind',
> + ):
> # section source info, i.e. where it begins
> self.info = info
> - # section tag, if any ('Returns', '@name', ...)
> - self.tag = tag
> + # section kind
> + self.kind = kind
> # section text without tag
> self.text = ''
>
> @@ -650,8 +677,14 @@ def append_line(self, line: str) -> None:
> self.text += line + '\n'
>
> class ArgSection(Section):
> - def __init__(self, info: QAPISourceInfo, tag: str):
> - super().__init__(info, tag)
> + def __init__(
> + self,
> + info: QAPISourceInfo,
> + kind: 'QAPIDoc.Kind',
> + name: str
> + ):
> + super().__init__(info, kind)
> + self.name = name
> self.member: Optional['QAPISchemaMember'] = None
Before the patch, use of a separate type for members, arguments and
features was necessary to distinguish between '@TAG:' and 'TAG:' for the
various TAGs. This is no longer the case. Fold ArgSection into
Section? Not sure. If yes, separate patch to keep this one as
mechanical as possible.
>
> def connect(self, member: 'QAPISchemaMember') -> None:
> @@ -663,7 +696,9 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
> # definition doc's symbol, None for free-form doc
> self.symbol: Optional[str] = symbol
> # the sections in textual order
> - self.all_sections: List[QAPIDoc.Section] = [QAPIDoc.Section(info)]
> + self.all_sections: List[QAPIDoc.Section] = [
> + QAPIDoc.Section(info, QAPIDoc.Kind.PLAIN)
> + ]
> # the body section
> self.body: Optional[QAPIDoc.Section] = self.all_sections[0]
> # dicts mapping parameter/feature names to their description
> @@ -680,12 +715,17 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
> def end(self) -> None:
> for section in self.all_sections:
> section.text = section.text.strip('\n')
> - if section.tag is not None and section.text == '':
> + if section.kind.text_required() and section.text == '':
This is the only use of .text_required(). I believe checking for PLAIN
would be clearer.
> raise QAPISemError(
> - section.info, "text required after '%s:'" % section.tag)
> + section.info, "text required after '%s:'" % section.kind)
>
> - def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
> - if self.all_sections and not self.all_sections[-1].tag:
> + def ensure_untagged_section(
> + self,
> + info: QAPISourceInfo,
> + ) -> None:
Accidental line breaking?
> + kind = QAPIDoc.Kind.PLAIN
> +
> + if self.all_sections and self.all_sections[-1].kind == kind:
I'd prefer not to hide PLAIN behind a variable, but I'd also prefer
the condition to fit on a line. Hmm.
> # extend current section
> section = self.all_sections[-1]
> if not section.text:
Maybe
section = self.all_sections[-1] if self.all_sections else None
if second and section.kind = QAPIDoc.Kind.Plain:
# extend current section
if not section.text:
> @@ -693,46 +733,56 @@ def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
> section.info = info
> section.text += '\n'
> return
> +
> # start new section
> - section = self.Section(info)
> + section = self.Section(info, kind)
> self.sections.append(section)
> self.all_sections.append(section)
>
> - def new_tagged_section(self, info: QAPISourceInfo, tag: str) -> None:
> - section = self.Section(info, tag)
> - if tag == 'Returns':
> + def new_tagged_section(
> + self,
> + info: QAPISourceInfo,
> + kind: 'QAPIDoc.Kind',
> + ) -> None:
> + section = self.Section(info, kind)
> + if kind == QAPIDoc.Kind.RETURNS:
> if self.returns:
> raise QAPISemError(
> - info, "duplicated '%s' section" % tag)
> + info, "duplicated '%s' section" % kind)
> self.returns = section
> - elif tag == 'Errors':
> + elif kind == QAPIDoc.Kind.ERRORS:
> if self.errors:
> raise QAPISemError(
> - info, "duplicated '%s' section" % tag)
> + info, "duplicated '%s' section" % kind)
> self.errors = section
> - elif tag == 'Since':
> + elif kind == QAPIDoc.Kind.SINCE:
> if self.since:
> raise QAPISemError(
> - info, "duplicated '%s' section" % tag)
> + info, "duplicated '%s' section" % kind)
> self.since = section
> self.sections.append(section)
> self.all_sections.append(section)
>
> - def _new_description(self, info: QAPISourceInfo, name: str,
> - desc: Dict[str, ArgSection]) -> None:
> + def _new_description(
> + self,
> + info: QAPISourceInfo,
> + name: str,
> + kind: 'QAPIDoc.Kind',
> + desc: Dict[str, ArgSection]
> + ) -> None:
> if not name:
> raise QAPISemError(info, "invalid parameter name")
> if name in desc:
> raise QAPISemError(info, "'%s' parameter name duplicated" % name)
> - section = self.ArgSection(info, '@' + name)
> + section = self.ArgSection(info, kind, name)
> self.all_sections.append(section)
> desc[name] = section
>
> def new_argument(self, info: QAPISourceInfo, name: str) -> None:
> - self._new_description(info, name, self.args)
> + self._new_description(info, name, QAPIDoc.Kind.MEMBER, self.args)
>
> def new_feature(self, info: QAPISourceInfo, name: str) -> None:
> - self._new_description(info, name, self.features)
> + self._new_description(info, name, QAPIDoc.Kind.FEATURE, self.features)
QAPIDoc.Kind.FOO is a mouthful, and it tends to result in long lines,
like here. Can't see an easy and clean way to reduce the verbosity.
>
> def append_line(self, line: str) -> None:
> self.all_sections[-1].append_line(line)
> @@ -744,8 +794,9 @@ def connect_member(self, member: 'QAPISchemaMember') -> None:
> raise QAPISemError(member.info,
> "%s '%s' lacks documentation"
> % (member.role, member.name))
> - self.args[member.name] = QAPIDoc.ArgSection(
> - self.info, '@' + member.name)
> + section = QAPIDoc.ArgSection(
> + self.info, QAPIDoc.Kind.MEMBER, member.name)
> + self.args[member.name] = section
Why the extra variable?
> self.args[member.name].connect(member)
>
> def connect_feature(self, feature: 'QAPISchemaFeature') -> None:
> diff --git a/tests/qapi-schema/doc-good.out b/tests/qapi-schema/doc-good.out
> index 0a9da3efdeb..5773f1dd6d6 100644
> --- a/tests/qapi-schema/doc-good.out
> +++ b/tests/qapi-schema/doc-good.out
> @@ -113,7 +113,7 @@ The _one_ {and only}, description on the same line
> Also _one_ {and only}
> feature=enum-member-feat
> a member feature
> - section=None
> + section=Plain
> @two is undocumented
> doc symbol=Base
> body=
> @@ -171,15 +171,15 @@ description starts on the same line
> a feature
> feature=cmd-feat2
> another feature
> - section=None
> + section=Plain
> .. note:: @arg3 is undocumented
> section=Returns
> @Object
> section=Errors
> some
> - section=TODO
> + section=Todo
With the method-less Enum I suggested, this hunk would go away. Not
that it matters :)
> frobnicate
> - section=None
> + section=Plain
> .. admonition:: Notes
>
> - Lorem ipsum dolor sit amet
> @@ -212,7 +212,7 @@ If you're bored enough to read this, go see a video of boxed cats
> a feature
> feature=cmd-feat2
> another feature
> - section=None
> + section=Plain
> .. qmp-example::
>
> -> "this example"
> diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
> index 7e3f9f4aa1f..bca924309be 100755
> --- a/tests/qapi-schema/test-qapi.py
> +++ b/tests/qapi-schema/test-qapi.py
> @@ -131,7 +131,7 @@ def test_frontend(fname):
> for feat, section in doc.features.items():
> print(' feature=%s\n%s' % (feat, section.text))
> for section in doc.sections:
> - print(' section=%s\n%s' % (section.tag, section.text))
> + print(' section=%s\n%s' % (section.kind, section.text))
>
>
> def open_test_result(dir_name, file_name, update):
On Wed, Mar 5, 2025 at 5:16 AM Markus Armbruster <armbru@redhat.com> wrote:
> Replaying review of a previous posting for your convenience...
>
> John Snow <jsnow@redhat.com> writes:
>
> > This patch adds an explicit section "kind" to all QAPIDoc
> > sections. Members/Features are now explicitly marked as such, with the
> > name now being stored in a dedicated "name" field (which qapidoc.py was
> > not actually using anyway.)
>
> I'm not sure what the parenthesis is trying to convey.
>
The old qapidoc.py doesn't actually use the name field, so there's nothing
to adjust for old callers.
>
> Before the patch, we have:
>
> type tag
> untagged Section None
> @foo: ArgSection 'foo'
> Returns: Section 'Returns'
> Errors: Section 'Errors'
> Since: Section 'Since'
> TODO: Section 'TODO'
>
> Afterwards, I believe:
>
> type kind name
> untagged Section PLAIN
> @foo: ArgSection MEMBER 'foo' if member or argument
> ArgSection FEATURE 'foo' if feature
> Returns: Section RETURNS
> Errors: Section ERRORS
> Since: Section SINCE
> TODO: Section TODO
>
> So, .tag is replaced by .kind and .name, member vs. feature vs. other
> tags is now obvious from .kind alone, i.e. there's no need to account
> for context or type.
>
> Fine print: why do we need to account for type before the patch?
> Consider @Since: ...
>
I'm not sure I follow...
>
> > The qapi-schema tests are updated to account for the new section names;
> > mostly "TODO" becomes "Todo" and `None` becomes "Plain".
> >
> > Signed-off-by: John Snow <jsnow@redhat.com>
> > ---
> > docs/sphinx/qapidoc.py | 7 ++-
> > scripts/qapi/parser.py | 109 ++++++++++++++++++++++++---------
> > tests/qapi-schema/doc-good.out | 10 +--
> > tests/qapi-schema/test-qapi.py | 2 +-
> > 4 files changed, 90 insertions(+), 38 deletions(-)
> >
> > diff --git a/docs/sphinx/qapidoc.py b/docs/sphinx/qapidoc.py
> > index 61997fd21af..d622398f1da 100644
> > --- a/docs/sphinx/qapidoc.py
> > +++ b/docs/sphinx/qapidoc.py
> > @@ -35,6 +35,7 @@
> > from docutils.statemachine import ViewList
> > from qapi.error import QAPIError, QAPISemError
> > from qapi.gen import QAPISchemaVisitor
> > +from qapi.parser import QAPIDoc
> > from qapi.schema import QAPISchema
> >
> > from sphinx import addnodes
> > @@ -258,11 +259,11 @@ def _nodes_for_sections(self, doc):
> > """Return list of doctree nodes for additional sections"""
> > nodelist = []
> > for section in doc.sections:
> > - if section.tag and section.tag == 'TODO':
> > + if section.kind == QAPIDoc.Kind.TODO:
> > # Hide TODO: sections
> > continue
> >
> > - if not section.tag:
> > + if section.kind == QAPIDoc.Kind.PLAIN:
> > # Sphinx cannot handle sectionless titles;
> > # Instead, just append the results to the prior section.
> > container = nodes.container()
> > @@ -270,7 +271,7 @@ def _nodes_for_sections(self, doc):
> > nodelist += container.children
> > continue
> >
> > - snode = self._make_section(section.tag)
> > + snode = self._make_section(section.kind.name.title())
> > self._parse_text_into_node(dedent(section.text), snode)
> > nodelist.append(snode)
> > return nodelist
> > diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
> > index 36cb64a677a..c3004aa70c6 100644
> > --- a/scripts/qapi/parser.py
> > +++ b/scripts/qapi/parser.py
> > @@ -15,6 +15,7 @@
> > # See the COPYING file in the top-level directory.
> >
> > from collections import OrderedDict
> > +import enum
> > import os
> > import re
> > from typing import (
> > @@ -575,7 +576,10 @@ def get_doc(self) -> 'QAPIDoc':
> > )
> > raise QAPIParseError(self, emsg)
> >
> > - doc.new_tagged_section(self.info, match.group(1))
> > + doc.new_tagged_section(
> > + self.info,
> > + QAPIDoc.Kind.from_string(match.group(1))
> > + )
> > text = line[match.end():]
> > if text:
> > doc.append_line(text)
> > @@ -586,7 +590,7 @@ def get_doc(self) -> 'QAPIDoc':
> > self,
> > "unexpected '=' markup in definition
> documentation")
> > else:
> > - # tag-less paragraph
> > + # plain paragraph(s)
>
> We're parsing a single pargraph here. The plain section we add it to
> may have any number of paragraphs. But for me, the comment is about
> what's being parsed. Mind to drop (s)?
>
Anguish. I can't keep this straight in my head. OK. It wasn't obvious at a
glance where the break is if we get an empty newline ...
>
> > doc.ensure_untagged_section(self.info)
> > doc.append_line(line)
> > line = self.get_doc_paragraph(doc)
> > @@ -635,14 +639,37 @@ class QAPIDoc:
> > Free-form documentation blocks consist only of a body section.
> > """
> >
> > + class Kind(enum.Enum):
> > + PLAIN = 0
> > + MEMBER = 1
> > + FEATURE = 2
> > + RETURNS = 3
> > + ERRORS = 4
> > + SINCE = 5
> > + TODO = 6
> > +
> > + @staticmethod
> > + def from_string(kind: str) -> 'QAPIDoc.Kind':
>
> Remind me, why do we need to quote the type here?
>
It doesn't exist yet; it's a forward reference, basically. While we are in
the context of defining the class, we don't have access to variables scoped
within the class :)
>
> > + return QAPIDoc.Kind[kind.upper()]
> > +
> > + def text_required(self) -> bool:
> > + # Only "plain" sections can be empty
> > + return self.value not in (0,)
>
> Rather roundabout way to check for PLAIN, isn't it?
>
Vestigial from intro/details split. It can be removed here for now.
>
> There's just one caller (see below). I doubt the method is worth its
> keep.
>
Vestigial again. Whether it's worth it once there are multiple such
sections, who knows. I thought it made the code read nicer in context. We
don't need it right now anyway...
>
> > +
> > + def __str__(self) -> str:
> > + return self.name.title()
> > +
>
> I wonder whether a simple StrEnum without methods would do. Oh, StrEnum
> is new in 3.11. Nevermind.
>
> Hmm.
>
> >>> Kind = Enum('Kind', [('PLAIN', 'Plain'), ('TODO, 'TODO)])
> >>> kind=Kind('Plain')
> >>> kind.value
> 'Plain'
>
> What do you think?
>
Maybe, lemme play with it and see if it makes something else worse, I don't
know right away.
>
> > class Section:
> > # pylint: disable=too-few-public-methods
> > - def __init__(self, info: QAPISourceInfo,
> > - tag: Optional[str] = None):
> > + def __init__(
> > + self,
> > + info: QAPISourceInfo,
> > + kind: 'QAPIDoc.Kind',
> > + ):
> > # section source info, i.e. where it begins
> > self.info = info
> > - # section tag, if any ('Returns', '@name', ...)
> > - self.tag = tag
> > + # section kind
> > + self.kind = kind
> > # section text without tag
> > self.text = ''
> >
> > @@ -650,8 +677,14 @@ def append_line(self, line: str) -> None:
> > self.text += line + '\n'
> >
> > class ArgSection(Section):
> > - def __init__(self, info: QAPISourceInfo, tag: str):
> > - super().__init__(info, tag)
> > + def __init__(
> > + self,
> > + info: QAPISourceInfo,
> > + kind: 'QAPIDoc.Kind',
> > + name: str
> > + ):
> > + super().__init__(info, kind)
> > + self.name = name
> > self.member: Optional['QAPISchemaMember'] = None
>
> Before the patch, use of a separate type for members, arguments and
> features was necessary to distinguish between '@TAG:' and 'TAG:' for the
> various TAGs. This is no longer the case. Fold ArgSection into
> Section? Not sure. If yes, separate patch to keep this one as
> mechanical as possible.
>
Possibly the case. I'll play with it. Do you want it in this series? (It's
pretty long as is...!)
>
> >
> > def connect(self, member: 'QAPISchemaMember') -> None:
> > @@ -663,7 +696,9 @@ def __init__(self, info: QAPISourceInfo, symbol:
> Optional[str] = None):
> > # definition doc's symbol, None for free-form doc
> > self.symbol: Optional[str] = symbol
> > # the sections in textual order
> > - self.all_sections: List[QAPIDoc.Section] =
> [QAPIDoc.Section(info)]
> > + self.all_sections: List[QAPIDoc.Section] = [
> > + QAPIDoc.Section(info, QAPIDoc.Kind.PLAIN)
> > + ]
> > # the body section
> > self.body: Optional[QAPIDoc.Section] = self.all_sections[0]
> > # dicts mapping parameter/feature names to their description
> > @@ -680,12 +715,17 @@ def __init__(self, info: QAPISourceInfo, symbol:
> Optional[str] = None):
> > def end(self) -> None:
> > for section in self.all_sections:
> > section.text = section.text.strip('\n')
> > - if section.tag is not None and section.text == '':
> > + if section.kind.text_required() and section.text == '':
>
> This is the only use of .text_required(). I believe checking for PLAIN
> would be clearer.
>
> > raise QAPISemError(
> > - section.info, "text required after '%s:'" %
> section.tag)
> > + section.info, "text required after '%s:'" %
> section.kind)
> >
> > - def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
> > - if self.all_sections and not self.all_sections[-1].tag:
> > + def ensure_untagged_section(
> > + self,
> > + info: QAPISourceInfo,
> > + ) -> None:
>
> Accidental line breaking?
>
Something something something black autoformatter. I wonder why it did
this, though... I'll see if I can undo it.
>
> > + kind = QAPIDoc.Kind.PLAIN
> > +
> > + if self.all_sections and self.all_sections[-1].kind == kind:
>
> I'd prefer not to hide PLAIN behind a variable, but I'd also prefer
> the condition to fit on a line. Hmm.
>
Also somewhat vestigial from when I had intro/details. When that split
comes, kind = becomes a conditional ternary.
>
> > # extend current section
> > section = self.all_sections[-1]
> > if not section.text:
>
> Maybe
>
> section = self.all_sections[-1] if self.all_sections else None
>
> if second and section.kind = QAPIDoc.Kind.Plain:
> # extend current section
> if not section.text:
>
Could, but it's going to get rewritten when the inliner comes anyway, ...
>
> > @@ -693,46 +733,56 @@ def ensure_untagged_section(self, info:
> QAPISourceInfo) -> None:
> > section.info = info
> > section.text += '\n'
> > return
> > +
> > # start new section
> > - section = self.Section(info)
> > + section = self.Section(info, kind)
> > self.sections.append(section)
> > self.all_sections.append(section)
> >
> > - def new_tagged_section(self, info: QAPISourceInfo, tag: str) ->
> None:
> > - section = self.Section(info, tag)
> > - if tag == 'Returns':
> > + def new_tagged_section(
> > + self,
> > + info: QAPISourceInfo,
> > + kind: 'QAPIDoc.Kind',
> > + ) -> None:
> > + section = self.Section(info, kind)
> > + if kind == QAPIDoc.Kind.RETURNS:
> > if self.returns:
> > raise QAPISemError(
> > - info, "duplicated '%s' section" % tag)
> > + info, "duplicated '%s' section" % kind)
> > self.returns = section
> > - elif tag == 'Errors':
> > + elif kind == QAPIDoc.Kind.ERRORS:
> > if self.errors:
> > raise QAPISemError(
> > - info, "duplicated '%s' section" % tag)
> > + info, "duplicated '%s' section" % kind)
> > self.errors = section
> > - elif tag == 'Since':
> > + elif kind == QAPIDoc.Kind.SINCE:
> > if self.since:
> > raise QAPISemError(
> > - info, "duplicated '%s' section" % tag)
> > + info, "duplicated '%s' section" % kind)
> > self.since = section
> > self.sections.append(section)
> > self.all_sections.append(section)
> >
> > - def _new_description(self, info: QAPISourceInfo, name: str,
> > - desc: Dict[str, ArgSection]) -> None:
> > + def _new_description(
> > + self,
> > + info: QAPISourceInfo,
> > + name: str,
> > + kind: 'QAPIDoc.Kind',
> > + desc: Dict[str, ArgSection]
> > + ) -> None:
> > if not name:
> > raise QAPISemError(info, "invalid parameter name")
> > if name in desc:
> > raise QAPISemError(info, "'%s' parameter name duplicated" %
> name)
> > - section = self.ArgSection(info, '@' + name)
> > + section = self.ArgSection(info, kind, name)
> > self.all_sections.append(section)
> > desc[name] = section
> >
> > def new_argument(self, info: QAPISourceInfo, name: str) -> None:
> > - self._new_description(info, name, self.args)
> > + self._new_description(info, name, QAPIDoc.Kind.MEMBER,
> self.args)
> >
> > def new_feature(self, info: QAPISourceInfo, name: str) -> None:
> > - self._new_description(info, name, self.features)
> > + self._new_description(info, name, QAPIDoc.Kind.FEATURE,
> self.features)
>
> QAPIDoc.Kind.FOO is a mouthful, and it tends to result in long lines,
> like here. Can't see an easy and clean way to reduce the verbosity.
>
Yeah...
>
> >
> > def append_line(self, line: str) -> None:
> > self.all_sections[-1].append_line(line)
> > @@ -744,8 +794,9 @@ def connect_member(self, member: 'QAPISchemaMember')
> -> None:
> > raise QAPISemError(member.info,
> > "%s '%s' lacks documentation"
> > % (member.role, member.name))
> > - self.args[member.name] = QAPIDoc.ArgSection(
> > - self.info, '@' + member.name)
> > + section = QAPIDoc.ArgSection(
> > + self.info, QAPIDoc.Kind.MEMBER, member.name)
> > + self.args[member.name] = section
>
> Why the extra variable?
>
Wish I remembered. I can undo it and see if anything barks.
>
> > self.args[member.name].connect(member)
> >
> > def connect_feature(self, feature: 'QAPISchemaFeature') -> None:
> > diff --git a/tests/qapi-schema/doc-good.out
> b/tests/qapi-schema/doc-good.out
> > index 0a9da3efdeb..5773f1dd6d6 100644
> > --- a/tests/qapi-schema/doc-good.out
> > +++ b/tests/qapi-schema/doc-good.out
> > @@ -113,7 +113,7 @@ The _one_ {and only}, description on the same line
> > Also _one_ {and only}
> > feature=enum-member-feat
> > a member feature
> > - section=None
> > + section=Plain
> > @two is undocumented
> > doc symbol=Base
> > body=
> > @@ -171,15 +171,15 @@ description starts on the same line
> > a feature
> > feature=cmd-feat2
> > another feature
> > - section=None
> > + section=Plain
> > .. note:: @arg3 is undocumented
> > section=Returns
> > @Object
> > section=Errors
> > some
> > - section=TODO
> > + section=Todo
>
> With the method-less Enum I suggested, this hunk would go away. Not
> that it matters :)
>
> > frobnicate
> > - section=None
> > + section=Plain
> > .. admonition:: Notes
> >
> > - Lorem ipsum dolor sit amet
> > @@ -212,7 +212,7 @@ If you're bored enough to read this, go see a video
> of boxed cats
> > a feature
> > feature=cmd-feat2
> > another feature
> > - section=None
> > + section=Plain
> > .. qmp-example::
> >
> > -> "this example"
> > diff --git a/tests/qapi-schema/test-qapi.py
> b/tests/qapi-schema/test-qapi.py
> > index 7e3f9f4aa1f..bca924309be 100755
> > --- a/tests/qapi-schema/test-qapi.py
> > +++ b/tests/qapi-schema/test-qapi.py
> > @@ -131,7 +131,7 @@ def test_frontend(fname):
> > for feat, section in doc.features.items():
> > print(' feature=%s\n%s' % (feat, section.text))
> > for section in doc.sections:
> > - print(' section=%s\n%s' % (section.tag, section.text))
> > + print(' section=%s\n%s' % (section.kind, section.text))
> >
> >
> > def open_test_result(dir_name, file_name, update):
>
>
John Snow <jsnow@redhat.com> writes:
> On Wed, Mar 5, 2025 at 5:16 AM Markus Armbruster <armbru@redhat.com> wrote:
>
>> Replaying review of a previous posting for your convenience...
>>
>> John Snow <jsnow@redhat.com> writes:
>>
>> > This patch adds an explicit section "kind" to all QAPIDoc
>> > sections. Members/Features are now explicitly marked as such, with the
>> > name now being stored in a dedicated "name" field (which qapidoc.py was
>> > not actually using anyway.)
>>
>> I'm not sure what the parenthesis is trying to convey.
>>
>
> The old qapidoc.py doesn't actually use the name field, so there's nothing
> to adjust for old callers.
>
>
>>
>> Before the patch, we have:
>>
>> type tag
>> untagged Section None
>> @foo: ArgSection 'foo'
>> Returns: Section 'Returns'
>> Errors: Section 'Errors'
>> Since: Section 'Since'
>> TODO: Section 'TODO'
>>
>> Afterwards, I believe:
>>
>> type kind name
>> untagged Section PLAIN
>> @foo: ArgSection MEMBER 'foo' if member or argument
>> ArgSection FEATURE 'foo' if feature
>> Returns: Section RETURNS
>> Errors: Section ERRORS
>> Since: Section SINCE
>> TODO: Section TODO
>>
>> So, .tag is replaced by .kind and .name, member vs. feature vs. other
>> tags is now obvious from .kind alone, i.e. there's no need to account
>> for context or type.
>>
>> Fine print: why do we need to account for type before the patch?
>> Consider @Since: ...
>>
>
> I'm not sure I follow...
Consider
##
# @some-command
#
# @Since: an anti-socially named argument
#
# Since: 10.0
##
Before the patch, both the argument description and the Since section
have tag 'Since'. The former has type ArgSection, which is a subtype of
Section. The latter has type Section. This is how we tell them apart.
There's potential for confusion and misuse of .tag.
After the patch, they have different kinds.
Do you follow now?
>> > The qapi-schema tests are updated to account for the new section names;
>> > mostly "TODO" becomes "Todo" and `None` becomes "Plain".
>> >
>> > Signed-off-by: John Snow <jsnow@redhat.com>
>> > ---
>> > docs/sphinx/qapidoc.py | 7 ++-
>> > scripts/qapi/parser.py | 109 ++++++++++++++++++++++++---------
>> > tests/qapi-schema/doc-good.out | 10 +--
>> > tests/qapi-schema/test-qapi.py | 2 +-
>> > 4 files changed, 90 insertions(+), 38 deletions(-)
>> >
>> > diff --git a/docs/sphinx/qapidoc.py b/docs/sphinx/qapidoc.py
>> > index 61997fd21af..d622398f1da 100644
>> > --- a/docs/sphinx/qapidoc.py
>> > +++ b/docs/sphinx/qapidoc.py
>> > @@ -35,6 +35,7 @@
>> > from docutils.statemachine import ViewList
>> > from qapi.error import QAPIError, QAPISemError
>> > from qapi.gen import QAPISchemaVisitor
>> > +from qapi.parser import QAPIDoc
>> > from qapi.schema import QAPISchema
>> >
>> > from sphinx import addnodes
>> > @@ -258,11 +259,11 @@ def _nodes_for_sections(self, doc):
>> > """Return list of doctree nodes for additional sections"""
>> > nodelist = []
>> > for section in doc.sections:
>> > - if section.tag and section.tag == 'TODO':
>> > + if section.kind == QAPIDoc.Kind.TODO:
>> > # Hide TODO: sections
>> > continue
>> >
>> > - if not section.tag:
>> > + if section.kind == QAPIDoc.Kind.PLAIN:
>> > # Sphinx cannot handle sectionless titles;
>> > # Instead, just append the results to the prior section.
>> > container = nodes.container()
>> > @@ -270,7 +271,7 @@ def _nodes_for_sections(self, doc):
>> > nodelist += container.children
>> > continue
>> >
>> > - snode = self._make_section(section.tag)
>> > + snode = self._make_section(section.kind.name.title())
>> > self._parse_text_into_node(dedent(section.text), snode)
>> > nodelist.append(snode)
>> > return nodelist
>> > diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
>> > index 36cb64a677a..c3004aa70c6 100644
>> > --- a/scripts/qapi/parser.py
>> > +++ b/scripts/qapi/parser.py
>> > @@ -15,6 +15,7 @@
>> > # See the COPYING file in the top-level directory.
>> >
>> > from collections import OrderedDict
>> > +import enum
>> > import os
>> > import re
>> > from typing import (
>> > @@ -575,7 +576,10 @@ def get_doc(self) -> 'QAPIDoc':
>> > )
>> > raise QAPIParseError(self, emsg)
>> >
>> > - doc.new_tagged_section(self.info, match.group(1))
>> > + doc.new_tagged_section(
>> > + self.info,
>> > + QAPIDoc.Kind.from_string(match.group(1))
>> > + )
>> > text = line[match.end():]
>> > if text:
>> > doc.append_line(text)
>> > @@ -586,7 +590,7 @@ def get_doc(self) -> 'QAPIDoc':
>> > self,
>> > "unexpected '=' markup in definition documentation")
>> > else:
>> > - # tag-less paragraph
>> > + # plain paragraph(s)
>>
>> We're parsing a single pargraph here. The plain section we add it to
>> may have any number of paragraphs. But for me, the comment is about
>> what's being parsed. Mind to drop (s)?
>>
>
> Anguish. I can't keep this straight in my head. OK. It wasn't obvious at a
> glance where the break is if we get an empty newline ...
The doc parsing code is more subtle than I'd like it to be.
>> > doc.ensure_untagged_section(self.info)
>> > doc.append_line(line)
>> > line = self.get_doc_paragraph(doc)
>> > @@ -635,14 +639,37 @@ class QAPIDoc:
>> > Free-form documentation blocks consist only of a body section.
>> > """
>> >
>> > + class Kind(enum.Enum):
>> > + PLAIN = 0
>> > + MEMBER = 1
>> > + FEATURE = 2
>> > + RETURNS = 3
>> > + ERRORS = 4
>> > + SINCE = 5
>> > + TODO = 6
>> > +
>> > + @staticmethod
>> > + def from_string(kind: str) -> 'QAPIDoc.Kind':
>>
>> Remind me, why do we need to quote the type here?
>>
>
> It doesn't exist yet; it's a forward reference, basically. While we are in
> the context of defining the class, we don't have access to variables scoped
> within the class :)
Thanks! Sure this wasn't designed in the 70s?
>> > + return QAPIDoc.Kind[kind.upper()]
>> > +
>> > + def text_required(self) -> bool:
>> > + # Only "plain" sections can be empty
>> > + return self.value not in (0,)
>>
>> Rather roundabout way to check for PLAIN, isn't it?
>>
>
> Vestigial from intro/details split. It can be removed here for now.
>
>
>>
>> There's just one caller (see below). I doubt the method is worth its
>> keep.
>>
>
> Vestigial again. Whether it's worth it once there are multiple such
> sections, who knows. I thought it made the code read nicer in context. We
> don't need it right now anyway...
Let's drop it then.
>> > +
>> > + def __str__(self) -> str:
>> > + return self.name.title()
>> > +
>>
>> I wonder whether a simple StrEnum without methods would do. Oh, StrEnum
>> is new in 3.11. Nevermind.
>>
>> Hmm.
>>
>> >>> Kind = Enum('Kind', [('PLAIN', 'Plain'), ('TODO, 'TODO)])
>> >>> kind=Kind('Plain')
>> >>> kind.value
>> 'Plain'
>>
>> What do you think?
>>
>
> Maybe, lemme play with it and see if it makes something else worse, I don't
> know right away.
>
>
>>
>> > class Section:
>> > # pylint: disable=too-few-public-methods
>> > - def __init__(self, info: QAPISourceInfo,
>> > - tag: Optional[str] = None):
>> > + def __init__(
>> > + self,
>> > + info: QAPISourceInfo,
>> > + kind: 'QAPIDoc.Kind',
>> > + ):
>> > # section source info, i.e. where it begins
>> > self.info = info
>> > - # section tag, if any ('Returns', '@name', ...)
>> > - self.tag = tag
>> > + # section kind
>> > + self.kind = kind
>> > # section text without tag
>> > self.text = ''
>> >
>> > @@ -650,8 +677,14 @@ def append_line(self, line: str) -> None:
>> > self.text += line + '\n'
>> >
>> > class ArgSection(Section):
>> > - def __init__(self, info: QAPISourceInfo, tag: str):
>> > - super().__init__(info, tag)
>> > + def __init__(
>> > + self,
>> > + info: QAPISourceInfo,
>> > + kind: 'QAPIDoc.Kind',
>> > + name: str
>> > + ):
>> > + super().__init__(info, kind)
>> > + self.name = name
>> > self.member: Optional['QAPISchemaMember'] = None
>>
>> Before the patch, use of a separate type for members, arguments and
>> features was necessary to distinguish between '@TAG:' and 'TAG:' for the
>> various TAGs. This is no longer the case. Fold ArgSection into
>> Section? Not sure. If yes, separate patch to keep this one as
>> mechanical as possible.
>>
>
> Possibly the case. I'll play with it. Do you want it in this series? (It's
> pretty long as is...!)
Perfectly fine as a follow-up. We should resist mission-creep.
>> >
>> > def connect(self, member: 'QAPISchemaMember') -> None:
>> > @@ -663,7 +696,9 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
>> > # definition doc's symbol, None for free-form doc
>> > self.symbol: Optional[str] = symbol
>> > # the sections in textual order
>> > - self.all_sections: List[QAPIDoc.Section] = [QAPIDoc.Section(info)]
>> > + self.all_sections: List[QAPIDoc.Section] = [
>> > + QAPIDoc.Section(info, QAPIDoc.Kind.PLAIN)
>> > + ]
>> > # the body section
>> > self.body: Optional[QAPIDoc.Section] = self.all_sections[0]
>> > # dicts mapping parameter/feature names to their description
>> > @@ -680,12 +715,17 @@ def __init__(self, info: QAPISourceInfo, symbol: Optional[str] = None):
>> > def end(self) -> None:
>> > for section in self.all_sections:
>> > section.text = section.text.strip('\n')
>> > - if section.tag is not None and section.text == '':
>> > + if section.kind.text_required() and section.text == '':
>>
>> This is the only use of .text_required(). I believe checking for PLAIN
>> would be clearer.
>>
>> > raise QAPISemError(
>> > - section.info, "text required after '%s:'" % section.tag)
>> > + section.info, "text required after '%s:'" % section.kind)
>> >
>> > - def ensure_untagged_section(self, info: QAPISourceInfo) -> None:
>> > - if self.all_sections and not self.all_sections[-1].tag:
>> > + def ensure_untagged_section(
>> > + self,
>> > + info: QAPISourceInfo,
>> > + ) -> None:
>>
>> Accidental line breaking?
>>
>
> Something something something black autoformatter. I wonder why it did
> this, though... I'll see if I can undo it.
Yes, please.
>> > + kind = QAPIDoc.Kind.PLAIN
>> > +
>> > + if self.all_sections and self.all_sections[-1].kind == kind:
>>
>> I'd prefer not to hide PLAIN behind a variable, but I'd also prefer
>> the condition to fit on a line. Hmm.
>>
>
> Also somewhat vestigial from when I had intro/details. When that split
> comes, kind = becomes a conditional ternary.
>
>
>>
>> > # extend current section
>> > section = self.all_sections[-1]
>> > if not section.text:
>>
>> Maybe
>>
>> section = self.all_sections[-1] if self.all_sections else None
>>
>> if second and section.kind = QAPIDoc.Kind.Plain:
>> # extend current section
>> if not section.text:
>>
>
> Could, but it's going to get rewritten when the inliner comes anyway, ...
You decide.
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