diff mbox series

[06/16] qapi/expr.py: Check type of 'data' member

Message ID 20200922211313.4082880-7-jsnow@redhat.com
State New
Headers show
Series qapi: static typing conversion, pt2 | expand

Commit Message

John Snow Sept. 22, 2020, 9:13 p.m. UTC
Iterating over the members of data isn't going to work if it's not some
form of dict anyway, but for type safety, formalize it.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 scripts/qapi/expr.py | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Eduardo Habkost Sept. 23, 2020, 7:58 p.m. UTC | #1
On Tue, Sep 22, 2020 at 05:13:03PM -0400, John Snow wrote:
> Iterating over the members of data isn't going to work if it's not some

> form of dict anyway, but for type safety, formalize it.

> 

> Signed-off-by: John Snow <jsnow@redhat.com>


Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>


-- 
Eduardo
Cleber Rosa Sept. 25, 2020, 12:31 a.m. UTC | #2
On Tue, Sep 22, 2020 at 05:13:03PM -0400, John Snow wrote:
> Iterating over the members of data isn't going to work if it's not some

> form of dict anyway, but for type safety, formalize it.

> 

> Signed-off-by: John Snow <jsnow@redhat.com>

> ---

>  scripts/qapi/expr.py | 7 +++++++

>  1 file changed, 7 insertions(+)

> 

> diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py

> index 3f5af5f5e4..633f9b9172 100644

> --- a/scripts/qapi/expr.py

> +++ b/scripts/qapi/expr.py

> @@ -247,6 +247,9 @@ def check_union(expr, info):

>              raise QAPISemError(info, "'discriminator' requires 'base'")

>          check_name_is_str(discriminator, info, "'discriminator'")

>  

> +    if not isinstance(members, dict):

> +        raise QAPISemError(info, "'data' must be an object")

> +


Don't you mean "must be a dict" ?

>      for (key, value) in members.items():

>          source = "'data' member '%s'" % key

>          check_name_str(key, info, source)

> @@ -260,6 +263,10 @@ def check_alternate(expr, info):

>  

>      if not members:

>          raise QAPISemError(info, "'data' must not be empty")

> +

> +    if not isinstance(members, dict):

> +        raise QAPISemError(info, "'data' must be an object")

> +


Same here?

- Cleber.

>      for (key, value) in members.items():

>          source = "'data' member '%s'" % key

>          check_name_str(key, info, source)

> -- 

> 2.26.2

>
John Snow Sept. 25, 2020, 12:50 a.m. UTC | #3
On 9/24/20 8:31 PM, Cleber Rosa wrote:
> On Tue, Sep 22, 2020 at 05:13:03PM -0400, John Snow wrote:

>> Iterating over the members of data isn't going to work if it's not some

>> form of dict anyway, but for type safety, formalize it.

>>

>> Signed-off-by: John Snow <jsnow@redhat.com>

>> ---

>>   scripts/qapi/expr.py | 7 +++++++

>>   1 file changed, 7 insertions(+)

>>

>> diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py

>> index 3f5af5f5e4..633f9b9172 100644

>> --- a/scripts/qapi/expr.py

>> +++ b/scripts/qapi/expr.py

>> @@ -247,6 +247,9 @@ def check_union(expr, info):

>>               raise QAPISemError(info, "'discriminator' requires 'base'")

>>           check_name_is_str(discriminator, info, "'discriminator'")

>>   

>> +    if not isinstance(members, dict):

>> +        raise QAPISemError(info, "'data' must be an object")

>> +

> 

> Don't you mean "must be a dict" ?

> 


This error is speaking JSON-ese! json objects become python dicts, so if 
we didn't get a python dict here, we didn't get a json object.
Cleber Rosa Sept. 25, 2020, 4:48 p.m. UTC | #4
On Thu, Sep 24, 2020 at 08:50:27PM -0400, John Snow wrote:
> On 9/24/20 8:31 PM, Cleber Rosa wrote:

> > On Tue, Sep 22, 2020 at 05:13:03PM -0400, John Snow wrote:

> > > Iterating over the members of data isn't going to work if it's not some

> > > form of dict anyway, but for type safety, formalize it.

> > > 

> > > Signed-off-by: John Snow <jsnow@redhat.com>

> > > ---

> > >   scripts/qapi/expr.py | 7 +++++++

> > >   1 file changed, 7 insertions(+)

> > > 

> > > diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py

> > > index 3f5af5f5e4..633f9b9172 100644

> > > --- a/scripts/qapi/expr.py

> > > +++ b/scripts/qapi/expr.py

> > > @@ -247,6 +247,9 @@ def check_union(expr, info):

> > >               raise QAPISemError(info, "'discriminator' requires 'base'")

> > >           check_name_is_str(discriminator, info, "'discriminator'")

> > > +    if not isinstance(members, dict):

> > > +        raise QAPISemError(info, "'data' must be an object")

> > > +

> > 

> > Don't you mean "must be a dict" ?

> > 

> 

> This error is speaking JSON-ese! json objects become python dicts, so if we

> didn't get a python dict here, we didn't get a json object.


Right!  Thanks for the explanation.

- Cleber.
diff mbox series

Patch

diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
index 3f5af5f5e4..633f9b9172 100644
--- a/scripts/qapi/expr.py
+++ b/scripts/qapi/expr.py
@@ -247,6 +247,9 @@  def check_union(expr, info):
             raise QAPISemError(info, "'discriminator' requires 'base'")
         check_name_is_str(discriminator, info, "'discriminator'")
 
+    if not isinstance(members, dict):
+        raise QAPISemError(info, "'data' must be an object")
+
     for (key, value) in members.items():
         source = "'data' member '%s'" % key
         check_name_str(key, info, source)
@@ -260,6 +263,10 @@  def check_alternate(expr, info):
 
     if not members:
         raise QAPISemError(info, "'data' must not be empty")
+
+    if not isinstance(members, dict):
+        raise QAPISemError(info, "'data' must be an object")
+
     for (key, value) in members.items():
         source = "'data' member '%s'" % key
         check_name_str(key, info, source)