meta-ros/recipes-devtools/python/python3/get_module_deps3.py

147 lines
5.0 KiB
Python

# This script is launched on separate task for each python module
# It checks for dependencies for that specific module and prints
# them out, the output of this execution will have all dependencies
# for a specific module, which will be parsed an dealt on create_manifest.py
#
# Author: Alejandro Enedino Hernandez Samaniego "aehs29" <aehs29@gmail.com>
# We can get a log per module, for all the dependencies that were found, but its messy.
debug=False
import sys
# We can get a list of the modules which are currently required to run python
# so we run python-core and get its modules, we then import what we need
# and check what modules are currently running, if we substract them from the
# modules we had initially, we get the dependencies for the module we imported.
# We use importlib to achieve this, so we also need to know what modules importlib needs
import importlib
core_deps=set(sys.modules)
def fix_path(dep_path):
import os
# We DONT want the path on our HOST system
pivot='recipe-sysroot-native'
dep_path=dep_path[dep_path.find(pivot)+len(pivot):]
if '/usr/bin' in dep_path:
dep_path = dep_path.replace('/usr/bin''${bindir}')
# Handle multilib, is there a better way?
if '/usr/lib32' in dep_path:
dep_path = dep_path.replace('/usr/lib32','${libdir}')
if '/usr/lib64' in dep_path:
dep_path = dep_path.replace('/usr/lib64','${libdir}')
if '/usr/lib' in dep_path:
dep_path = dep_path.replace('/usr/lib','${libdir}')
if '/usr/include' in dep_path:
dep_path = dep_path.replace('/usr/include','${includedir}')
if '__init__.' in dep_path:
dep_path = os.path.split(dep_path)[0]
return dep_path
# Module to import was passed as an argument
current_module = str(sys.argv[1]).rstrip()
if(debug==True):
log = open('log_%s' % current_module,'w')
log.write('Module %s generated the following dependencies:\n' % current_module)
try:
importlib.import_module('%s' % current_module)
except ImportError as e:
if (debug==True):
log.write('Module was not found')
pass
# Get current module dependencies, dif will contain a list of specific deps for this module
module_deps=set(sys.modules)
# We handle the core package (1st pass on create_manifest.py) as a special case
if current_module == 'python-core-package':
dif = core_deps
else:
# We know this is not the core package, so there must be a difference.
dif = module_deps-core_deps
# Check where each dependency came from
for item in dif:
dep_path=''
try:
if (debug==True):
log.write('Calling: sys.modules[' + '%s' % item + '].__file__\n')
dep_path = sys.modules['%s' % item].__file__
except AttributeError as e:
# Deals with thread (builtin module) not having __file__ attribute
if debug==True:
log.write(item + ' ')
log.write(str(e))
log.write('\n')
pass
except NameError as e:
# Deals with NameError: name 'dep_path' is not defined
# because module is not found (wasn't compiled?), e.g. bddsm
if (debug==True):
log.write(item+' ')
log.write(str(e))
pass
# Site-customize is a special case since we (OpenEmbedded) put it there manually
if 'sitecustomize' in dep_path:
dep_path = '${libdir}/python${PYTHON_MAJMIN}/sitecustomize.py'
# Prints out result, which is what will be used by create_manifest
print (dep_path)
continue
dep_path = fix_path(dep_path)
import sysconfig
soabi=sysconfig.get_config_var('SOABI')
# Check if its a shared library and deconstruct it
if soabi in dep_path:
if (debug==True):
log.write('Shared library found in %s' % dep_path)
dep_path = dep_path.replace(soabi,'*')
print (dep_path)
continue
if (debug==True):
log.write(dep_path+'\n')
# Prints out result, which is what will be used by create_manifest
print (dep_path)
import imp
cpython_tag = imp.get_tag()
cached=''
# Theres no naive way to find *.pyc files on python3
try:
if (debug==True):
log.write('Calling: sys.modules[' + '%s' % item + '].__cached__\n')
cached = sys.modules['%s' % item].__cached__
except AttributeError as e:
# Deals with thread (builtin module) not having __cached__ attribute
if debug==True:
log.write(item + ' ')
log.write(str(e))
log.write('\n')
pass
except NameError as e:
# Deals with NameError: name 'cached' is not defined
if (debug==True):
log.write(item+' ')
log.write(str(e))
pass
if cached is not None:
if (debug==True):
log.write(cached)
cached = fix_path(cached)
cached = cached.replace(cpython_tag,'*')
print (cached)
if debug==True:
log.close()