Re: [PATCH 14/37] qapi/common.py: Move comments into docstrings

[Markus Armbruster <armbru@redhat.com>]

John Snow <jsnow@redhat.com> writes:

> As docstrings, they'll show up in documentation and IDE help.
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  scripts/qapi/common.py | 50 ++++++++++++++++++++++++++++++------------
>  1 file changed, 36 insertions(+), 14 deletions(-)
>
> diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py
> index af01348b35..38d380f0a9 100644
> --- a/scripts/qapi/common.py
> +++ b/scripts/qapi/common.py
> @@ -20,10 +20,18 @@
>  c_name_trans = str.maketrans('.-', '__')
>  
>  
> -# ENUMName -> ENUM_NAME, EnumName1 -> ENUM_NAME1
> -# ENUM_NAME -> ENUM_NAME, ENUM_NAME1 -> ENUM_NAME1, ENUM_Name2 -> ENUM_NAME2
> -# ENUM24_Name -> ENUM24_NAME
>  def camel_to_upper(value: str) -> str:
> +    """
> +    Converts CamelCase to CAMEL_CASE.
> +
> +    Examples:
> +      ENUMName -> ENUM_NAME
> +      EnumName1 -> ENUM_NAME1
> +      ENUM_NAME -> ENUM_NAME
> +      ENUM_NAME1 -> ENUM_NAME1
> +      ENUM_Name2 -> ENUM_NAME2
> +      ENUM24_Name -> ENUM24_NAME
> +    """
>      c_fun_str = c_name(value, False)
>      if value.isupper():
>          return c_fun_str
> @@ -45,21 +53,33 @@ def camel_to_upper(value: str) -> str:
>  def c_enum_const(type_name: str,
>                   const_name: str,
>                   prefix: Optional[str] = None) -> str:
> +    """
> +    Generate a C enumeration constant name.
> +
> +    :param type_name: The name of the enumeration.
> +    :param const_name: The name of this constant.
> +    :param prefix: Optional, prefix that overrides the type_name.
> +    """

Not actually a move.  Suggest to retitle

    qapi/common: Turn comments in docstrings, and add more

>      if prefix is not None:
>          type_name = prefix
>      return camel_to_upper(type_name) + '_' + c_name(const_name, False).upper()
>  
>  
> -# Map @name to a valid C identifier.
> -# If @protect, avoid returning certain ticklish identifiers (like
> -# C keywords) by prepending 'q_'.
> -#
> -# Used for converting 'name' from a 'name':'type' qapi definition
> -# into a generated struct member, as well as converting type names
> -# into substrings of a generated C function name.
> -# '__a.b_c' -> '__a_b_c', 'x-foo' -> 'x_foo'
> -# protect=True: 'int' -> 'q_int'; protect=False: 'int' -> 'int'
>  def c_name(name: str, protect: bool = True) -> str:
> +    """
> +    Map `name` to a valid C identifier.
> +
> +    Used for converting 'name' from a 'name':'type' qapi definition
> +    into a generated struct member, as well as converting type names
> +    into substrings of a generated C function name.
> +
> +    '__a.b_c' -> '__a_b_c', 'x-foo' -> 'x_foo'
> +    protect=True: 'int' -> 'q_int'; protect=False: 'int' -> 'int'
> +
> +    :param name: The name to map.
> +    :param protect: If true, avoid returning certain ticklish identifiers
> +                    (like C keywords) by prepending 'q_'.
> +    """
>      # ANSI X3J11/88-090, 3.1.1
>      c89_words = set(['auto', 'break', 'case', 'char', 'const', 'continue',
>                       'default', 'do', 'double', 'else', 'enum', 'extern',
> @@ -135,9 +155,11 @@ def pop(self, amount: int = 4) -> int:
>  INDENT = Indent(0)
>  
>  
> -# Generate @code with @kwds interpolated.
> -# Obey INDENT level, and strip EATSPACE.
>  def cgen(code: str, **kwds: Union[str, int]) -> str:
> +    """
> +    Generate `code` with `kwds` interpolated.
> +    Obey `INDENT`, and strip `EATSPACE`.
> +    """
>      raw = code % kwds
>      if INDENT:
>          raw, _ = re.subn(r'^(?!(#|$))', str(INDENT), raw, flags=re.MULTILINE)

Can you point to documentation on the docstring conventions and markup
to use?