Add python file builder

src/builder/python_file_builder.rs

@@ -0,0 +1,43 @@
+use std::io::{Result, Write};
+
+use super::FileBuilder;
+
+#[derive(Debug, PartialEq)]
+pub struct PythonFileBuilder;
+
+impl FileBuilder for PythonFileBuilder {
+    fn extension(&mut self) -> &str {
+        "py"
+    }
+
+    fn write_top_level(&mut self, _output: &mut dyn Write) -> Result<()> {
+        Ok(())
+    }
+
+    fn write_namespace(&mut self, output: &mut dyn Write, name: &str) -> Result<()> {
+        write!(output, "class {}:\n", name)?;
+
+        Ok(())
+    }
+
+    fn write_variable(
+        &mut self,
+        output: &mut dyn Write,
+        name: &str,
+        value: usize,
+        comment: Option<&str>,
+    ) -> Result<()> {
+        match comment {
+            Some(comment) => write!(output, "    {} = {:#X} # {}\n", name, value, comment),
+            None => write!(output, "    {} = {:#X}\n", name, value),
+        }
+    }
+
+    fn write_closure(&mut self, output: &mut dyn Write, eof: bool) -> Result<()> {
+        if !eof {
+            write!(output, "\n")?;
+        }
+
+        Ok(())
+    }
+}