[yocto] [[AUH] 08/17] recipe/base.py: Add support for get recipe inherits.

[Aníbal Limón]

On 11/26/2015 02:25 PM, Paul Eggleton wrote:
> On Wednesday 25 November 2015 18:00:37 Aníbal Limón wrote:
>> Recipe inherits are needed to detect what recipes support
>> certain feature.
>>
>> For example: For detect ptest enable recipes and then do
>> ptest runtime test after succesful upgrade.
>>
>> Signed-off-by: Aníbal Limón <anibal.limon at linux.intel.com>
>> ---
>>  modules/recipe/base.py | 25 +++++++++++++++++++++++++
>>  1 file changed, 25 insertions(+)
>>
>> diff --git a/modules/recipe/base.py b/modules/recipe/base.py
>> index 5c70c61..dabad2f 100644
>> --- a/modules/recipe/base.py
>> +++ b/modules/recipe/base.py
>> @@ -57,6 +57,16 @@ def modify_recipe_files(func):
>>                  os.rename(full_path_f + ".tmp", full_path_f)
>>      return modify
>>
>> +def read_recipe_files(func):
>> +    def read(env, recipe_dir):
>> +        for f in os.listdir(recipe_dir):
>> +            full_path_f = os.path.join(recipe_dir, f)
>> +            if is_recipe_or_include_file(env, full_path_f, f):
>> +                with open(full_path_f) as recipe:
>> +                    for line in recipe:
>> +                        func(line)
>> +    return read
>> +
>>  class Recipe(object):
>>      def __init__(self, env, new_ver, interactive, workdir, recipe_dir,
>> bitbake, git): self.env = env
>> @@ -85,8 +95,23 @@ class Recipe(object):
>>          self.commit_msg = self.env['PN'] + ": upgrade to " + self.new_ver +
>> "\n\n" self.rm_patches_msg = "\n\nRemoved the following patch(es):\n"
>>
>> +        self._inherits = None
>> +
>>          super(Recipe, self).__init__()
>>
>> +    def get_inherits(self):
>> +        @read_recipe_files
>> +        def _get_inherits(line):
>> +            m = re.search("^inherit (.*)$", line)
>> +            if m:
>> +                tmp = m.group(1).split()
>> +                self._inherits.extend(tmp)
>> +
>> +        if not self._inherits:
>> +            self._inherits = []
>> +            _get_inherits(self.env, self.recipe_dir)
>> +
>> +        return self._inherits
>>
>>      def update_env(self, env):
>>          self.env = env
> 
> I'm not sure I like this - you're not parsing the recipe so you'll miss things 
> such as inc files inheriting the recipe. Would it be possible to parse the 
> recipe properly instead e.g. with tinfoil?

I agree with you but for now it works for detect recipes that have ptest
enabled.

This change isn't trivial so i loaded a ticket for change AUH to use
tinfoil (may be tinfoil2 :)).

Cheers,
	alimon

[1] https://bugzilla.yoctoproject.org/show_bug.cgi?id=8735

> 
> Cheers,
> Paul
>