# This script is launched on separate task for each python module
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# It checks for dependencies for that specific module and prints
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# them out, the output of this execution will have all dependencies
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# for a specific module, which will be parsed an dealt on create_manifest.py
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#
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# Author: Alejandro Enedino Hernandez Samaniego <alejandro at enedino dot org>
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import sys
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import os
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# We can get a log per module, for all the dependencies that were found, but its messy.
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if '-d' in sys.argv:
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debug = True
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else:
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debug = False
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# We can get a list of the modules which are currently required to run python
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# so we run python-core and get its modules, we then import what we need
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# and check what modules are currently running, if we substract them from the
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# modules we had initially, we get the dependencies for the module we imported.
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# We use importlib to achieve this, so we also need to know what modules importlib needs
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import importlib
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core_deps = set(sys.modules)
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def fix_path(dep_path):
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import os
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# We DONT want the path on our HOST system
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pivot = 'recipe-sysroot-native'
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dep_path = dep_path[dep_path.find(pivot)+len(pivot):]
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if '/usr/bin' in dep_path:
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dep_path = dep_path.replace('/usr/bin''${bindir}')
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# Handle multilib, is there a better way?
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if '/usr/lib32' in dep_path:
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dep_path = dep_path.replace('/usr/lib32','${libdir}')
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if '/usr/lib64' in dep_path:
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dep_path = dep_path.replace('/usr/lib64','${libdir}')
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if '/usr/lib' in dep_path:
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dep_path = dep_path.replace('/usr/lib','${libdir}')
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if '/usr/include' in dep_path:
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dep_path = dep_path.replace('/usr/include','${includedir}')
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if '__init__.' in dep_path:
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dep_path = os.path.split(dep_path)[0]
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return dep_path
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# Module to import was passed as an argument
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current_module = str(sys.argv[1]).rstrip()
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if debug == True:
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log = open('temp/log_%s' % current_module.strip('.*'),'w')
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log.write('Module %s generated the following dependencies:\n' % current_module)
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try:
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m = importlib.import_module(current_module)
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# handle python packages which may not include all modules in the __init__
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if os.path.basename(m.__file__) == "__init__.py":
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modulepath = os.path.dirname(m.__file__)
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for i in os.listdir(modulepath):
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if i.startswith("_") or not(i.endswith(".py")):
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continue
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submodule = "{}.{}".format(current_module, i[:-3])
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try:
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importlib.import_module(submodule)
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except:
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pass # ignore all import or other exceptions raised during import
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except ImportError as e:
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if debug == True:
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log.write('Module was not found\n')
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pass
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# Get current module dependencies, dif will contain a list of specific deps for this module
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module_deps = set(sys.modules)
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# We handle the core package (1st pass on create_manifest.py) as a special case
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if current_module == 'python-core-package':
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dif = core_deps
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else:
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# We know this is not the core package, so there must be a difference.
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dif = module_deps-core_deps
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# Check where each dependency came from
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for item in dif:
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# Main module returns script filename, __main matches mp_main__ as well
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if 'main__' in item:
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continue
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dep_path = ''
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try:
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if debug == True:
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log.write('\nCalling: sys.modules[' + '%s' % item + '].__file__\n')
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dep_path = sys.modules['%s' % item].__file__
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except AttributeError as e:
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# Deals with thread (builtin module) not having __file__ attribute
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if debug == True:
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log.write(item + ' ')
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log.write(str(e))
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log.write('\n')
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pass
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except NameError as e:
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# Deals with NameError: name 'dep_path' is not defined
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# because module is not found (wasn't compiled?), e.g. bddsm
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if debug == True:
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log.write(item+' ')
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log.write(str(e))
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pass
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if dep_path == '':
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continue
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if debug == True:
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log.write('Dependency path found:\n%s\n' % dep_path)
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# Site-customize is a special case since we (OpenEmbedded) put it there manually
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if 'sitecustomize' in dep_path:
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dep_path = '${libdir}/python${PYTHON_MAJMIN}/sitecustomize.py'
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# Prints out result, which is what will be used by create_manifest
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print (dep_path)
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continue
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dep_path = fix_path(dep_path)
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import sysconfig
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soabi = sysconfig.get_config_var('SOABI')
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# Check if its a shared library and deconstruct it
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if soabi in dep_path:
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if debug == True:
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log.write('Shared library found in %s\n' % dep_path)
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dep_path = dep_path.replace(soabi,'*')
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print (dep_path)
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continue
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if "_sysconfigdata" in dep_path:
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dep_path = dep_path.replace(sysconfig._get_sysconfigdata_name(), "_sysconfigdata*")
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if debug == True:
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log.write(dep_path+'\n')
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# Prints out result, which is what will be used by create_manifest
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print (dep_path)
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cpython_tag = sys.implementation.cache_tag
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cached = ''
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# Theres no naive way to find *.pyc files on python3
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try:
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if debug == True:
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log.write('\nCalling: sys.modules[' + '%s' % item + '].__cached__\n')
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cached = sys.modules['%s' % item].__cached__
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except AttributeError as e:
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# Deals with thread (builtin module) not having __cached__ attribute
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if debug == True:
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log.write(item + ' ')
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log.write(str(e))
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log.write('\n')
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pass
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except NameError as e:
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# Deals with NameError: name 'cached' is not defined
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if debug == True:
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log.write(item+' ')
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log.write(str(e))
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pass
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if cached is not None:
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if debug == True:
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log.write(cached + '\n')
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cached = fix_path(cached)
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cached = cached.replace(cpython_tag,'*')
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if "_sysconfigdata" in cached:
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cached = cached.replace(sysconfig._get_sysconfigdata_name(), "_sysconfigdata*")
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print (cached)
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if debug == True:
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log.close()
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