def __init__(self,fname,srcdir='.'):
self.fname = fname
self.srcdir = srcdir
ast = parse_java(os.path.join(srcdir,fname))
ast.concat_ids().pythonize()
cu = ast.CompilationUnit
self.package = None
pn = ast.PackageDec.PackageName
if pn:
self.package = ".".join(pn[0])
self.classes = []
self.interfaces = []
for d in cu[2]:
if d.name == 'ClassDec':
self.classes.append(Java_Class(d))
if d.name == 'InterfaceDec':
self.interfaces.append(Java_Interface(d))
# print pp_aterm(d)
self.imports = []
for i in cu[1]:
if i.name == "TypeImportOnDemandDec":
self.imports.append( "%s.*" % ".".join(i.PackageName[0]) )
else:
self.imports.append( "%s.%s" % ( str(i.TypeName[0]), str(i.TypeName[1]) ) )
def package2py(basedir,pkg=None,outbase=None,recursive=True):
"""
translates all java src in pkg to python,
writes py src into outbase/pkg
"""
if outbase is None:
outbase = os.path.join(basedir,"..","py")
logger.debug(pkg)
#figure out output dir
outpkg = rename_pkg(pkg)
pkgdir = os.path.join(basedir,pkg.replace(".",os.path.sep))
if outpkg is None:
outdir = outbase
else:
outdir = os.path.join(outbase,outpkg.replace(".",os.path.sep))
if not os.path.isdir(outdir):
os.makedirs(outdir)
logger.info("starting java2py")
logger.info(" pkgdir: %s",pkgdir)
logger.info(" outdir: %s",outdir)
pi = pkginfo.PackageInfo.load(basedir,pkg)
#make __init__.py
of = open(os.path.join(outdir,"__init__.py"),"w")
of.write('''#-*- coding:utf-8 -*-\n"""%s"""\n''' % pi.doc)
of.write('\n#public classes:\n')
for c in pi.public_classes():
of.write('from %s import %s\n' % (c.name,c.name) )
of.write('\n#public interfaces:\n')
for i in pi.public_interfaces():
of.write('from %s import %s\n' % (i.name,i.name) )
of.close()
for n in os.listdir(pkgdir):
if recursive and os.path.isdir(os.path.join(pkgdir,n)) \
and not n.startswith('.') \
and (True or os.path.exists(os.path.join(pkgdir,n,'package.html'))):
package2py(basedir,pkg+"."+n,outbase,True)
elif n.endswith(".java"):
print "translating",n
ast = java_front.parse_java(os.path.join(pkgdir,n))
if save_intermediates:
f = codecs.open(os.path.join(outdir,n+".aterm"),"w","utf8")
f.write(java_front.pp_aterm(ast))
f.close()
j2py.run(ast)
#todo: add package imports
if save_intermediates:
f = codecs.open(os.path.join(outdir,n+".j2py.aterm"),"w","utf8")
s = java_front.pp_aterm(ast)
f.write(s)
f.close()
py_ast = java_front.java2py(ast)
if save_intermediates:
f = codecs.open(os.path.join(outdir,n+".box"),"w","utf8")
s = java_front.pp_aterm(py_ast)
f.write(s)
f.close()
py = java_front.abox2text(py_ast)
py = py.split("\n")
#skip
skip = config['skip']
def keep(l):
ls = l.strip()
if ls in skip: return False
for s in skip:
if ls.startswith(s): return False
return True
res = [ l for l in filter(keep,py) ]
py = "\n".join(res)
pyfn = n.replace('.java','.py')
f = codecs.open(os.path.join(outdir,pyfn),'w','utf8')
f.write(py)
f.close()
