From 8c123f2bbe2a1d0b85e732560e5e379f5d4f7790 Mon Sep 17 00:00:00 2001
From: SethDusek <shibe@openmailbox.org>
Date: Sat, 5 Mar 2016 03:57:55 +0500
Subject: [PATCH 1/2] Experimental python bench

---
 benches/bench.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 benches/bench.py

diff --git a/benches/bench.py b/benches/bench.py
new file mode 100644
index 00000000..a046a408
--- /dev/null
+++ b/benches/bench.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+import subprocess;
+from time import time;
+from sys import exit;
+from os.path import isfile;
+
+results = [];
+
+filename = "bench.png"
+if not isfile(filename):
+    print("Invalid file");
+    exit(1);
+for opt_level in range(1, 7):
+    start_time = time();
+    command = subprocess.Popen(["oxipng", "-o", str(opt_level), "-q", "--stdout", filename], stdout=subprocess.PIPE);
+    size = len(command.communicate()[0]);
+    result_time = time()-start_time;
+    results.append({"program": "oxipng", "opt_level": opt_level, "time": result_time, "size": size});
+
+for result in results:
+    print("%s -o%s: \n Time: %ss \n Size: %s bytes" % (result["program"], result["opt_level"], result["time"], result["size"]));

From 9026c1504df8d291a684fdc55452de8454eb47e0 Mon Sep 17 00:00:00 2001
From: SethDusek <shibe@openmailbox.org>
Date: Mon, 19 Jun 2017 01:47:51 +0500
Subject: [PATCH 2/2] Make the error module public

---
 benches/bench.py | 21 ---------------------
 src/lib.rs       |  4 ++--
 2 files changed, 2 insertions(+), 23 deletions(-)
 delete mode 100644 benches/bench.py

diff --git a/benches/bench.py b/benches/bench.py
deleted file mode 100644
index a046a408..00000000
--- a/benches/bench.py
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env python
-import subprocess;
-from time import time;
-from sys import exit;
-from os.path import isfile;
-
-results = [];
-
-filename = "bench.png"
-if not isfile(filename):
-    print("Invalid file");
-    exit(1);
-for opt_level in range(1, 7):
-    start_time = time();
-    command = subprocess.Popen(["oxipng", "-o", str(opt_level), "-q", "--stdout", filename], stdout=subprocess.PIPE);
-    size = len(command.communicate()[0]);
-    result_time = time()-start_time;
-    results.append({"program": "oxipng", "opt_level": opt_level, "time": result_time, "size": size});
-
-for result in results:
-    print("%s -o%s: \n Time: %ss \n Size: %s bytes" % (result["program"], result["opt_level"], result["time"], result["size"]));
diff --git a/src/lib.rs b/src/lib.rs
index 2464c44b..be68879d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,7 +13,7 @@ extern crate rayon;
 extern crate zopfli;
 
 use deflate::Deflaters;
-use error::PngError;
+pub use error::PngError;
 use image::{GenericImage, Pixel, ImageFormat};
 use headers::Headers;
 use png::PngData;
@@ -25,7 +25,7 @@ use std::path::{Path, PathBuf};
 
 pub mod colors;
 pub mod deflate;
-mod error;
+pub mod error;
 mod filters;
 pub mod headers;
 mod interlace;