Re: [PATCH v5 08/36] qapi: delint using flake8

[Markus Armbruster]

John Snow <jsnow@redhat.com> writes:

> Petty style guide fixes and line length enforcement.  Not a big win, not
> a big loss, but flake8 passes 100% on the qapi module, which gives us an
> easy baseline to enforce hereafter.
>
> A note on the flake8 exception: flake8 will warn on *any* bare except,
> but pylint's is context-aware and will suppress the warning if you
> re-raise the exception.
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
> Reviewed-by: Cleber Rosa <crosa@redhat.com>
> ---
>  scripts/qapi/.flake8     |  2 ++
>  scripts/qapi/commands.py |  3 ++-
>  scripts/qapi/schema.py   |  8 +++++---
>  scripts/qapi/visit.py    | 16 +++++++++++-----
>  4 files changed, 20 insertions(+), 9 deletions(-)
>  create mode 100644 scripts/qapi/.flake8
>
> diff --git a/scripts/qapi/.flake8 b/scripts/qapi/.flake8
> new file mode 100644
> index 00000000000..6b158c68b84
> --- /dev/null
> +++ b/scripts/qapi/.flake8
> @@ -0,0 +1,2 @@
> +[flake8]
> +extend-ignore = E722  # Prefer pylint's bare-except checks to flake8's
> diff --git a/scripts/qapi/commands.py b/scripts/qapi/commands.py
> index 64ed5278f93..5dc2f5a9fa8 100644
> --- a/scripts/qapi/commands.py
> +++ b/scripts/qapi/commands.py
> @@ -65,7 +65,8 @@ def gen_call(name, arg_type, boxed, ret_type):
>  def gen_marshal_output(ret_type):
>      return mcgen('''
>  
> -static void qmp_marshal_output_%(c_name)s(%(c_type)s ret_in, QObject 
> **ret_out, Error **errp)
> +static void qmp_marshal_output_%(c_name)s(%(c_type)s ret_in,
> +                                QObject **ret_out, Error **errp)
>  {
>      Visitor *v;
>  
> diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py
> index 093f7a38d88..cfc52e1ae44 100644
> --- a/scripts/qapi/schema.py
> +++ b/scripts/qapi/schema.py
> @@ -536,7 +536,7 @@ def set_defined_in(self, name):
>              v.set_defined_in(name)
>  
>      def check(self, schema, seen):
> -        if not self.tag_member: # flat union
> +        if not self.tag_member:  # flat union
>              self.tag_member = seen.get(c_name(self._tag_name))
>              base = "'base'"
>              # Pointing to the base type when not implicit would be
> @@ -821,7 +821,7 @@ def __init__(self, fname):
>          self._entity_dict = {}
>          self._module_dict = OrderedDict()
>          self._schema_dir = os.path.dirname(fname)
> -        self._make_module(None) # built-ins
> +        self._make_module(None)  # built-ins
>          self._make_module(fname)
>          self._predefining = True
>          self._def_predefineds()
> @@ -965,7 +965,9 @@ def _make_implicit_object_type(self, name, info, ifcond, 
> role, members):
>              # But it's not tight: the disjunction need not imply it.  We
>              # may end up compiling useless wrapper types.
>              # TODO kill simple unions or implement the disjunction
> -            assert (ifcond or []) == typ._ifcond # pylint: 
> disable=protected-access
> +
> +            # pylint: disable=protected-access
> +            assert (ifcond or []) == typ._ifcond
>          else:
>              self._def_entity(QAPISchemaObjectType(
>                  name, info, None, ifcond, None, None, members, None))
> diff --git a/scripts/qapi/visit.py b/scripts/qapi/visit.py
> index ea277e7704b..808410d6f1b 100644
> --- a/scripts/qapi/visit.py
> +++ b/scripts/qapi/visit.py
> @@ -31,7 +31,9 @@ def gen_visit_decl(name, scalar=False):
>      if not scalar:
>          c_type += '*'
>      return mcgen('''
> -bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_type)sobj, 
> Error **errp);
> +
> +bool visit_type_%(c_name)s(Visitor *v, const char *name,
> +                 %(c_type)sobj, Error **errp);
>  ''',
>                   c_name=c_name(name), c_type=c_type)
>  
> @@ -125,7 +127,8 @@ def gen_visit_object_members(name, base, members, 
> variants):
>  def gen_visit_list(name, element_type):
>      return mcgen('''
>  
> -bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, 
> Error **errp)
> +bool visit_type_%(c_name)s(Visitor *v, const char *name,
> +                 %(c_name)s **obj, Error **errp)
>  {
>      bool ok = false;
>      %(c_name)s *tail;
> @@ -158,7 +161,8 @@ def gen_visit_list(name, element_type):
>  def gen_visit_enum(name):
>      return mcgen('''
>  
> -bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, 
> Error **errp)
> +bool visit_type_%(c_name)s(Visitor *v, const char *name,
> +                 %(c_name)s *obj, Error **errp)
>  {
>      int value = *obj;
>      bool ok = visit_type_enum(v, name, &value, &%(c_name)s_lookup, errp);
> @@ -172,7 +176,8 @@ def gen_visit_enum(name):
>  def gen_visit_alternate(name, variants):
>      ret = mcgen('''
>  
> -bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, 
> Error **errp)
> +bool visit_type_%(c_name)s
> +    (Visitor *v, const char *name, %(c_name)s **obj, Error **errp)

Please break this line the same way as the ones above:

   bool visit_type_%(c_name)s(Visitor *v, const char *name,
                    %(c_name)s **obj, Error **errp)

>  {
>      bool ok = false;
>  
> @@ -247,7 +252,8 @@ def gen_visit_alternate(name, variants):
>  def gen_visit_object(name, base, members, variants):
>      return mcgen('''
>  
> -bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, 
> Error **errp)
> +bool visit_type_%(c_name)s
> +    (Visitor *v, const char *name, %(c_name)s **obj, Error **errp)
>  {
>      bool ok = false;

Likewise.