Bug 1183291 - Factor idl-parser into a Python package. r=khuey

Move Python code into an xpidl subdirectory, and include a setup.py to allow
inclusion from pip install or requirements files. Change build directory
variables appropriately.

python/mozbuild/mozbuild/action/xpidl-process.py

@@ -16,9 +16,9 @@ import sys
 from io import BytesIO
 
 from buildconfig import topsrcdir
-from header import print_header
-from typelib import write_typelib
-from xpidl import IDLParser
+from xpidl.header import print_header
+from xpidl.typelib import write_typelib
+from xpidl.xpidl import IDLParser
 from xpt import xpt_link
 
 from mozbuild.makeutil import Makefile

xpcom/idl-parser/setup.py

@@ -0,0 +1,15 @@
+from setuptools import setup, find_packages
+
+
+setup(
+    name='xpidl',
+    version='1.0',
+    description='Parser and header generator for xpidl files.',
+    author='Mozilla Foundation',
+    license='MPL 2.0',
+    packages=find_packages(),
+    install_requires=['ply>=3.6,<4.0'],
+    url='https://github.com/pelmers/xpidl',
+    entry_points={'console_scripts': ['header.py = xpidl.header:main']},
+    keywords=['xpidl', 'parser']
+)

xpcom/idl-parser/xpidl/header.py

@@ -501,7 +501,8 @@ def write_interface(iface, fd):
 
     fd.write(iface_template_epilog)
 
-if __name__ == '__main__':
+
+def main():
     from optparse import OptionParser
     o = OptionParser()
     o.add_option('-I', action='append', dest='incdirs', default=['.'],
@@ -569,3 +570,6 @@ if __name__ == '__main__':
         print >>depfd, "%s: %s" % (options.outfile, " ".join(deps))
         for dep in deps:
             print >>depfd, "%s:" % dep
+
+if __name__ == '__main__':
+    main()

xpcom/moz.build

@@ -8,7 +8,7 @@ with Files('**'):
     BUG_COMPONENT = ('Core', 'XPCOM')
 
 DIRS += [
-    'idl-parser',
+    'idl-parser/xpidl',
 ]
 
 DIRS += [

xpcom/xpidl/Makefile.in

@@ -4,7 +4,7 @@
 
 export::
 ifndef LIBXUL_SDK
-	$(call SUBMAKE,xpidl-parser,$(DEPTH)/xpcom/idl-parser)
+	$(call SUBMAKE,xpidl-parser,$(DEPTH)/xpcom/idl-parser/xpidl)
 endif
 	$(call py_action,process_install_manifest,$(DIST)/idl $(DEPTH)/_build_manifests/install/dist_idl)
 	$(call SUBMAKE,xpidl,$(DEPTH)/config/makefiles/xpidl)