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Add comments to module importing routines

This commit is contained in:
Matt Guthaus 2019-12-16 10:21:24 -08:00
parent 2a9129ef45
commit 5176a70f84
1 changed files with 10 additions and 6 deletions
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12
compiler/sram_factory.py
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@ -36,12 +36,14 @@ class sram_factory:
A generic function to create a module with a given module_type. A generic function to create a module with a given module_type.
The args are passed directly to the module constructor. The args are passed directly to the module constructor.
""" """
try:
from tech import tech_modules from tech import tech_modules
real_module_type = tech_modules[module_type] real_module_type = tech_modules[module_type]
# if name!="": except ImportError:
# # This is a special case where the name and type don't match # If they didn't define these, then don't use the option types.
# # Can't be overridden in the config file # Primarily for backward compatibility and simplicity of tech files.
# module_name = name pass
if hasattr(OPTS, module_type): if hasattr(OPTS, module_type):
# Retrieve the name from OPTS if it exists, # Retrieve the name from OPTS if it exists,
# otherwise just use the name # otherwise just use the name
@ -49,8 +51,10 @@ class sram_factory:
# Either retrieve the already loaded module or load it # Either retrieve the already loaded module or load it
try: try:
# Load a cached version from previous usage
mod = self.modules[real_module_type] mod = self.modules[real_module_type]
except KeyError: except KeyError:
# Dynamically load the module
import importlib import importlib
c = importlib.reload(__import__(real_module_type)) c = importlib.reload(__import__(real_module_type))
mod = getattr(c, real_module_type) mod = getattr(c, real_module_type)