[OE-core] [PATCH 2/2] python: Fix minimal packaging dependencies

Gary Thomas gary at mlbassoc.com
Fri Mar 23 16:28:55 UTC 2012


On 2012-03-23 10:19, Gary Thomas wrote:
> On 2012-03-23 09:48, Martin Jansa wrote:
>> On Fri, Mar 23, 2012 at 04:35:53PM +0100, Martin Jansa wrote:
>>> On Fri, Mar 23, 2012 at 09:27:08AM -0600, Gary Thomas wrote:
>>>> If you install the top-level python package only on a minimal
>>>> system which has no other python packages installed then python
>>>> is not functional at all. Without any extra packages installed
>>>> this error is seen:
>>>> # python
>>>> Traceback (most recent call last):
>>>> File "/usr/lib/python2.7/site.py", line 64, in<module>
>>>> import traceback
>>>> ImportError: No module named traceback
>>>>
>>>> Installing python-lang only partly fixes the problem as this
>>>> error still exists:
>>>> # python
>>>> Traceback (most recent call last):
>>>> File "/usr/lib/python2.7/site.py", line 569, in<module>
>>>> main()
>>>> File "/usr/lib/python2.7/site.py", line 551, in main
>>>> known_paths = addusersitepackages(known_paths)
>>>> File "/usr/lib/python2.7/site.py", line 278, in addusersitepackages
>>>> user_site = getusersitepackages()
>>>> File "/usr/lib/python2.7/site.py", line 253, in getusersitepackages
>>>> user_base = getuserbase() # this will also set USER_BASE
>>>> File "/usr/lib/python2.7/site.py", line 243, in getuserbase
>>>> USER_BASE = get_config_var('userbase')
>>>> File "/usr/lib/python2.7/sysconfig.py", line 520, in get_config_var
>>>> return get_config_vars().get(name)
>>>> File "/usr/lib/python2.7/sysconfig.py", line 400, in get_config_vars
>>>> import re
>>>> ImportError: No module named re
>>>>
>>>> Signed-off-by: Gary Thomas<gary at mlbassoc.com>
>>>> ---
>>>> meta/recipes-devtools/python/python_2.7.2.bb | 3 ++-
>>>> 1 files changed, 2 insertions(+), 1 deletions(-)
>>>>
>>>> diff --git a/meta/recipes-devtools/python/python_2.7.2.bb b/meta/recipes-devtools/python/python_2.7.2.bb
>>>> index 8111b31..f1ba42d 100644
>>>> --- a/meta/recipes-devtools/python/python_2.7.2.bb
>>>> +++ b/meta/recipes-devtools/python/python_2.7.2.bb
>>>> @@ -1,6 +1,6 @@
>>>> require python.inc
>>>> DEPENDS = "python-native bzip2 db gdbm openssl readline sqlite3 zlib"
>>>> -PR = "${INC_PR}.8"
>>>> +PR = "${INC_PR}.9"
>>>>
>>>> DISTRO_SRC_URI ?= "file://sitecustomize.py"
>>>> DISTRO_SRC_URI_linuxstdbase = ""
>>>> @@ -123,6 +123,7 @@ py_package_preprocess () {
>>>> require python-${PYTHON_MAJMIN}-manifest.inc
>>>
>>> This should be fixed probably in
>>> scripts/contrib/python/generate-manifest-2.7.py
>>>
>>>>
>>>> # manual dependency additions
>>>> +RRDEPENDS_${PN} = "${PN}-lang ${PN}-re"
>>>
>>> And here is typo, how did you test this change?
>>
>> And also notice that there is no ${PN} in PACKAGES, so by "top-level
>> python package" you mean python-core right?
>
> Yes. As far as my testing, it got muddled with something else and
> what I've proposed doesn't help, sorry. I'm looking into how to fix
> this via the generate-manifest script and will send a different patch
> shortly [I hope].

Sadly, my attempt to fix this doesn't work.  Here's what I tried, but
it has no effect:

diff --git a/scripts/contrib/python/generate-manifest-2.7.py b/scripts/contrib/python/generate-manifest-2.7.py
index 85ca353..bde7db9 100755
--- a/scripts/contrib/python/generate-manifest-2.7.py
+++ b/scripts/contrib/python/generate-manifest-2.7.py
@@ -160,7 +160,7 @@ if __name__ == "__main__":
      # Parameters: revision, name, description, dependencies, filenames
      #

-    m.addPackage( "${PN}-core", "Python Interpreter and core modules (needed!)", "",
+    m.addPackage( "${PN}-core", "Python Interpreter and core modules (needed!)", "${PN}-lang ${PN}-re",
      "__future__.* _abcoll.* abc.* copy.* copy_reg.* ConfigParser.* " +
      "genericpath.* getopt.* linecache.* new.* " +
      "os.* posixpath.* struct.* " +
@@ -276,7 +276,7 @@ if __name__ == "__main__":
      m.addPackage( "${PN}-json", "Python JSON Support", "${PN}-core ${PN}-math ${PN}-re",
      "json lib-dynload/_json.so" ) # package

-    m.addPackage( "${PN}-lang", "Python Low-Level Language Support", "${PN}-core",
+    m.addPackage( "${PN}-lang", "Python Low-Level Language Support", "",
      "lib-dynload/_bisect.so lib-dynload/_collections.so lib-dynload/_heapq.so lib-dynload/_weakref.so lib-dynload/_funct
      "lib-dynload/array.so lib-dynload/itertools.so lib-dynload/operator.so lib-dynload/parser.so " +
      "atexit.* bisect.* code.* codeop.* collections.* dis.* functools.* heapq.* inspect.* keyword.* opcode.* symbol.* rep
@@ -322,7 +322,7 @@ if __name__ == "__main__":
      m.addPackage( "${PN}-profile", "Python Basic Profiling Support", "${PN}-core ${PN}-textutils",
      "profile.* pstats.* cProfile.* lib-dynload/_lsprof.so" )

-    m.addPackage( "${PN}-re", "Python Regular Expression APIs", "${PN}-core",
+    m.addPackage( "${PN}-re", "Python Regular Expression APIs", "",
      "re.* sre.* sre_compile.* sre_constants* sre_parse.*" ) # _sre is builtin

      m.addPackage( "${PN}-readline", "Python Readline Support", "${PN}-core",

>
> Query: if I change the script, should I also bum PR in this recipe?
>
>

For now, I'll just have to install python-lang and python-re manually...

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------




More information about the Openembedded-core mailing list