IronPython Support [WIP]

data/misc/IronPython/httpimport.py

@@ -0,0 +1,111 @@
+#heavily adapated from github.com/operatorequals/httpimport by John Torakis aka operatorequals
+'''
+Copyright 2017 John Torakis
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+'''
+
+import imp
+import sys
+from System.Net import WebClient
+
+class HttpImporter(object):
+    def __init__(self, base_url):
+        self.base_url = base_url
+    def find_module(self, fullname, path=None):
+        try:
+            loader = imp.find_module(fullname, path)
+            return None
+        except ImportError:
+            pass
+        if fullname.split('.').count(fullname.split('.')[-1]) > 1:
+            return None
+
+        return self
+
+    def load_module(self, name):
+
+        imp.acquire_lock()
+        if name in sys.modules:
+            imp.release_lock()
+            return sys.modules[name]
+
+        if name.split('.')[-1] in sys.modules:
+            imp.release_lock()
+            return sys.modules[name.split('.')[-1]]
+
+        if name in sys.builtin_module_names:
+            imp.find_module(name)
+            imp.load_module(name)
+            imp.release_lock()
+            return
+
+        name = name.split('.')[-1]
+
+        #TODO:
+        #Dealing with stuff not actually in iPy
+        if name == "strop" or name == "_hashlib" or name == "nt" or name == "fcntl" or name == "posix" or name == "org" or name == "termios" or name == "msvcrt" or name == "EasyDialogs" or name == "pwd" or name == "grp":
+            return
+        module_url = self.base_url + '%s.py' % name.replace('.', '/')
+        #TODO:
+        #Dealing with weird stuff that happens when packages are needed
+        if name == "aliases" or name == "hex_codec":
+            module_url = self.base_url + 'encodings/%s.py' % name.replace('.', '/')
+        if name == "wintypes" or name == "util" or name == "_endian" or name == "ctypes":
+            module_url = self.base_url + 'ctypes/%s.py' % name.replace('.', '/')
+        package_url = self.base_url + '%s/__init__.py' % name.replace('.', '/')
+        final_url = None
+        final_src = None
+
+        wc = WebClient()
+
+        try:
+            final_src = wc.DownloadString(module_url)
+            final_url = module_url
+        except:
+            pass
+        if final_src is None:
+            try:
+                final_url = package_url
+                package_src = wc.DownloadString(package_url)
+                final_src = package_src
+            except IOError as e:
+                module_src = None
+                imp.release_lock()
+                return None
+
+        mod = imp.new_module(name)
+        mod.__loader__ = self
+        mod.__file__ = final_url
+        mod.__package__ = name.split('.')[0]
+        mod.__path__ = ['/'.join(mod.__file__.split('/')[:-1]) + '/']
+        sys.modules[name] = mod
+        exec(final_src, mod.__dict__)
+        imp.release_lock()
+        return mod
+
+
+def add_remote_repo(base_url):
+    importer = HttpImporter(base_url)
+    sys.meta_path.insert(0, importer)
+    return importer
+
+#def add_remote_repo(base_url):
+#    importer = HttpImporter(modules, base_url)
+#    sys.meta_path.insert(0, importer)
+#    return importer
+
+
+for x in sys.builtin_module_names:
+    __import__(x)
+