patch code for commandline use

Author: Annmayn

html2excel/__init__.py

@@ -1,3 +1,2 @@
 from .excel.parser import ExcelParser
-
-__all__ = ["ExcelParser"]
+__all__ = ["ExcelParser"]

html2excel/__main__.py

@@ -0,0 +1,15 @@
+import sys
+from html2excel import ExcelParser
+
+
+if __name__ == "__main__":
+    if len(sys.argv) == 3:
+        file_path = sys.argv[1]
+        save_path = sys.argv[2]
+        parser = ExcelParser(file_path)
+        parser.to_excel(save_path)
+    else:
+        # First argument for file name, we'll ignore that
+        print("Expected 2 arguments. Got {num}".format(num=len(sys.argv)-1))
+
+# TODO: handle exceptions

html2excel/base/__init__.py

@@ -0,0 +1 @@
+__all__ = []