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

Fri Mar 23 16:36:41 UTC 2012

On Fri, Mar 23, 2012 at 10:28:55AM -0600, Gary Thomas wrote:
> 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:

have you executed updated script to actually regenerate manifest and
rebuild python with updated manifest?

> 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", "",

why? what if someone tries to install python-lang, how he get
python-core?

>       "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", "",

the same, why? what if someone tries to install python-re, how he get
python-core?

>       "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
> ------------------------------------------------------------
> 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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