100 lines
2.3 KiB
Python
100 lines
2.3 KiB
Python
|
import sys
|
||
|
|
import builtins
|
||
|
|
import types
|
||
|
|
|
||
|
|
# Deprecated since version 3.4: Use types.ModuleType instead.
|
||
|
|
# but micropython aims toward full 3.4
|
||
|
|
|
||
|
|
# Return a new empty module object called name. This object is not inserted in sys.modules.
|
||
|
|
def new_module(name):
|
||
|
|
return types.ModuleType(name)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def load_module(module, *argv):
|
||
|
|
m = new_module(module)
|
||
|
|
if m:
|
||
|
|
import embed
|
||
|
|
file = '/assets/%s.py' % module
|
||
|
|
mroot = module.split('.')[0]
|
||
|
|
m = sys.modules[mroot]
|
||
|
|
runf(file, module=embed.vars(m), patch='\n\n__file__=%r\n' % file )
|
||
|
|
globals()[mroot] = m
|
||
|
|
return m
|
||
|
|
|
||
|
|
try:
|
||
|
|
vars
|
||
|
|
except:
|
||
|
|
#wasm port
|
||
|
|
import embed
|
||
|
|
builtins.vars = embed.vars
|
||
|
|
|
||
|
|
try:
|
||
|
|
vars
|
||
|
|
except:
|
||
|
|
print(""" This could provide a workaround for :\r
|
||
|
|
https://github.com/pmp-p/micropython-ports-wasm/issues/5\r
|
||
|
|
use imp.load_module(modulename) to load modules from /assets/*.py
|
||
|
|
""")
|
||
|
|
raise ImportError("ERROR: this build has no vars() support at all")
|
||
|
|
|
||
|
|
|
||
|
|
# keep the builtin function accessible in this module and from imp.__import__
|
||
|
|
__import__ = __import__
|
||
|
|
|
||
|
|
def importer(name,*argv):
|
||
|
|
global __import__
|
||
|
|
if sys.modules.get(name,None) is None:
|
||
|
|
print("import %s" % name,argv)
|
||
|
|
try:
|
||
|
|
return __import__(name,*argv)
|
||
|
|
except ImportError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
file = ':{0}.py'.format(name)
|
||
|
|
print("trying to go online for",file)
|
||
|
|
# todo open the file via open() or raise importerror
|
||
|
|
try:
|
||
|
|
code = open(file,'r').read()
|
||
|
|
except:
|
||
|
|
raise ImportError('module not found')
|
||
|
|
|
||
|
|
#build a empty module
|
||
|
|
mod = types.ModuleType(name)
|
||
|
|
|
||
|
|
mod.__file__ = file
|
||
|
|
|
||
|
|
# compile module from cached file
|
||
|
|
try:
|
||
|
|
code = compile( code, file, 'exec')
|
||
|
|
except Exception as e:
|
||
|
|
sys.print_exception(e)
|
||
|
|
raise
|
||
|
|
|
||
|
|
# execute it in its own empty namespace.
|
||
|
|
ns = vars(mod)
|
||
|
|
|
||
|
|
try:
|
||
|
|
exec( code, ns, ns)
|
||
|
|
except Exception as e:
|
||
|
|
sys.print_exception(e)
|
||
|
|
raise
|
||
|
|
|
||
|
|
# though micropython would normally insert module before executing the whole body
|
||
|
|
# do it after.
|
||
|
|
sys.modules[name] = mod
|
||
|
|
return mod
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def reload(name):
|
||
|
|
if sys.modules.get(name,None):
|
||
|
|
del sys.modules[name]
|
||
|
|
return importError(name)
|
||
|
|
|
||
|
|
|
||
|
|
# install hook
|
||
|
|
builtins.__import__ = importer
|
||
|
|
print("__import__ is now", importer)
|