Initial commit

nvcc_plugin.py

@@ -0,0 +1,62 @@
+import os
+import uuid
+import timeit
+import argparse
+import tempfile
+import subprocess
+import IPython.core.magic as ipym
+
+ext = '.cu'
+
+
+def get_argparser():
+    parser = argparse.ArgumentParser(description='NVCCPlugin params')
+    parser.add_argument("-t", "--timeit", action='store_true',
+                        help='flag to return timeit result instead of stdout')
+    return parser
+
+
+@ipym.magics_class
+class NVCCPlugin(ipym.Magics):
+
+    def __init__(self, shell):
+        super(NVCCPlugin, self).__init__(shell)
+        self.argparser = get_argparser()
+
+    @staticmethod
+    def compile(file_path):
+        subprocess.check_output(["nvcc", file_path + ext, "-o", file_path + ".out"], stderr=subprocess.STDOUT)
+
+    def run(self, file_path, timeit=False):
+        if timeit:
+            stmt = "subprocess.check_output(['{}'], stderr=subprocess.STDOUT)".format(file_path + ".out")
+            output = self.shell.run_cell_magic(magic_name="timeit", line="-q -o import subprocess", cell=stmt)
+        else:
+            output = subprocess.check_output([file_path + ".out"], stderr=subprocess.STDOUT)
+            output = output.decode('utf8')
+        return output
+
+    @ipym.cell_magic
+    def cu(self, line, cell):
+        try:
+            args = self.argparser.parse_args(line.split())
+        except SystemExit as e:
+            self.argparser.print_help()
+            return
+
+        with tempfile.TemporaryDirectory() as tmp_dir:
+            file_path = os.path.join(tmp_dir, str(uuid.uuid4()))
+            with open(file_path + ext, "w") as f:
+                f.write(cell)
+            try:
+                self.compile(file_path)
+                output = self.run(file_path, timeit=args.timeit)
+            except subprocess.CalledProcessError as e:
+                print(e.output.decode("utf8"))
+                output = None
+        return output
+
+
+def load_ipython_extension(ip):
+    nvcc_plugin = NVCCPlugin(ip)
+    ip.register_magics(nvcc_plugin)