Cross-repo recipe package system.

third_party/recipe_engine/show_me_the_modules.py

Index: third_party/recipe_engine/show_me_the_modules.py
diff --git a/scripts/tools/show_me_the_modules.py b/third_party/recipe_engine/show_me_the_modules.py
old mode 100755
new mode 100644
similarity index 83%
rename from scripts/tools/show_me_the_modules.py
rename to third_party/recipe_engine/show_me_the_modules.py
index 2c726ac2e796203acefd51771bdbecde5bbdcf9c..3b02487411b2f576acc0b8b182829d3cb3ab4189
--- a/scripts/tools/show_me_the_modules.py
+++ b/third_party/recipe_engine/show_me_the_modules.py
@@ -10,15 +10,10 @@ import inspect
 import os
 import sys
 
-sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
-sys.path.append(os.path.join(os.path.dirname(__file__),
-                '..', '..', 'third_party'))
-
-from recipe_engine import main as recipe_main
-from recipe_engine import recipe_api
-from recipe_engine import loader
-
-from slave import recipe_universe
+from . import loader
+from . import main as recipe_main
+from . import package
+from . import recipe_api
 
 def trim_doc(docstring):
   """From PEP 257"""
@@ -80,17 +75,22 @@ def pmethod(indent_lvl, name, obj):
   else:
     p(0)
 
-def main():
+def main(package_cfg):
   common_methods = set(k for k, v in member_iter(recipe_api.RecipeApi))
   p(0, 'Common Methods -- %s' % os.path.splitext(recipe_api.__file__)[0])
   for method in sorted(common_methods):
     pmethod(1, method, getattr(recipe_api.RecipeApi, method))
 
-  universe = recipe_universe.get_universe()
-  deps = universe.deps_from_paths(
-      { modpath: modpath
-        for modpath in universe.loop_over_recipe_modules() },
-      base_path=None)
+  if isinstance(package_cfg, package.PackageDeps):
+    package_deps = package_cfg
+  else:
+    package_deps = package.PackageDeps.create(package_cfg)
+  universe = loader.RecipeUniverse(package_deps)
+  deps = universe.deps_from_spec(
+      # TODO(luqui): This doesn't handle name scoping correctly (e.g. same-named
+      # modules in different packages).
+      { modpath: modpath.split('/')[-1]
+        for modpath in universe.loop_over_recipe_modules() })
 
   inst = loader.create_recipe_api(
       deps, recipe_main.RecipeEngine(None, {}, None))
@@ -118,7 +118,3 @@ def main():
       if fn_name in base_fns:
         continue
       pmethod(1, fn_name, obj)
-
-
-if __name__ == '__main__':
-  main()