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initial support for extensions in the user preferences

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only one script at the moment:
 [#20848] Blender Gears for 2.5 (for ideasman42)
 from Michel Anders (varkenvarken)
This commit is contained in:
Campbell Barton
2010-02-14 23:33:18 +00:00
parent 9b3ac70b6d
commit 677386e53a
10 changed files with 638 additions and 52 deletions
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114
release/scripts/modules/bpy/utils.py
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@@ -29,6 +29,52 @@ import sys as _sys
from _bpy import home_paths
def _test_import(module_name, loaded_modules):
import traceback
import time
if module_name in loaded_modules:
return None
if "." in module_name:
print("Ignoring '%s', can't import files containing multiple periods." % module_name)
return None
try:
t = time.time()
ret = __import__(module_name)
if _bpy.app.debug:
print("time %s %.4f" % (module_name, time.time() - t))
return ret
except:
traceback.print_exc()
return None
def modules_from_path(path, loaded_modules):
"""
Load all modules in a path and return them as a list.
"""
import traceback
import time
modules = []
for f in sorted(_os.listdir(path)):
if f.endswith(".py"):
# python module
mod = _test_import(f[0:-3], loaded_modules)
elif ("." not in f) and (_os.path.isfile(_os.path.join(path, f, "__init__.py"))):
# python package
mod = _test_import(f, loaded_modules)
else:
mod = None
if mod:
modules.append(mod)
return modules
def load_scripts(reload_scripts=False, refresh_scripts=False):
import traceback
import time
@@ -37,29 +83,28 @@ def load_scripts(reload_scripts=False, refresh_scripts=False):
loaded_modules = set()
def test_import(module_name):
if module_name in loaded_modules:
return None
if "." in module_name:
print("Ignoring '%s', can't import files containing multiple periods." % module_name)
return None
try:
t = time.time()
ret = __import__(module_name)
if _bpy.app.debug:
print("time %s %.4f" % (module_name, time.time() - t))
return ret
except:
traceback.print_exc()
return None
def sys_path_ensure(path):
if path not in _sys.path: # reloading would add twice
_sys.path.insert(0, path)
def test_reload(module):
try:
return reload(module)
except:
traceback.print_exc()
def test_register(mod):
if reload_scripts and mod:
print("Reloading:", mod)
mod = test_reload(mod)
if mod:
register = getattr(mod, "register", None)
if register:
register()
else:
print("\nWarning! '%s' has no register function, this is now a requirement for registerable scripts." % mod.__file__)
if reload_scripts:
# reload modules that may not be directly included
for type_class_name in dir(_bpy.types):
@@ -83,28 +128,21 @@ def load_scripts(reload_scripts=False, refresh_scripts=False):
if refresh_scripts and path in _sys.path:
continue
if path not in _sys.path: # reloading would add twice
_sys.path.insert(0, path)
for f in sorted(_os.listdir(path)):
if f.endswith(".py"):
# python module
mod = test_import(f[0:-3])
elif ("." not in f) and (_os.path.isfile(_os.path.join(path, f, "__init__.py"))):
# python package
mod = test_import(f)
else:
mod = None
sys_path_ensure(path)
for mod in modules_from_path(path, loaded_modules):
test_register(mod)
if reload_scripts and mod:
print("Reloading:", mod)
mod = test_reload(mod)
if mod:
register = getattr(mod, "register", None)
if register:
register()
else:
print("\nWarning! '%s%s%s' has no register function, this is now a requirement for registerable scripts." % (path, _os.sep, f))
# load extensions
used_ext = {ext.module for ext in _bpy.context.user_preferences.extensions}
paths = script_paths("extensions")
for path in paths:
sys_path_ensure(path)
for module_name in sorted(used_ext):
mod = _test_import(module_name, loaded_modules)
test_register(mod)
if _bpy.app.debug:
@@ -196,7 +234,7 @@ def script_paths(*args):
path_subdir = _os.path.join(path, subdir)
if _os.path.isdir(path_subdir):
script_paths.append(path_subdir)
print(script_paths)
return script_paths