Started books per page algorithm, updated some tests

lib/pyShelf.py

@@ -26,7 +26,7 @@ class InitFiles:
         if not os.path.isdir(os.path.split(_pointer)[0]):
             os.mkdir(os.path.split(_pointer)[0])
             f = open(_pointer, "w+")
-        f.close()
+            f.close()
 
 
 class RequestHandler(BaseHTTPRequestHandler):
@@ -51,7 +51,8 @@ class RequestHandler(BaseHTTPRequestHandler):
         elif self.path.endswith('.png'):
             self.path = '../static' + self.path
             mimetype = 'image/png'
-            serve_file = open(self.path[1:], 'rb') # Important to rb read binary for images
+            serve_file = open(self.path[1:], 'rb')
+            # Important to rb read binary for images
             self.send_header('Content-type', mimetype)
             self.end_headers()
             self.wfile.write(serve_file.read())
@@ -64,6 +65,29 @@ class RequestHandler(BaseHTTPRequestHandler):
         try: serve_file.close()
         except Exception: pass
 
+class BookDisplay:
+
+    def __init__(self):
+        self.books_per_page = None
+        self.current_page = 0
+        self.thumbnail_size = [200, 300]
+        self.thumbnail_scale = 1
+        self.total_pages = None
+
+    def nextPage(self):
+        self.current_page += 1
+        return self.current_page
+
+    def previousPage(self):
+        self.current_page -= 1
+        return self.current_page
+
+    def booksPerPage(self, screen_size):
+        x = (self.thumbnail_size[0] * self.thumbnail_scale) + 10
+        y = (self.thumbnail_size[1] * self.thumbnail_scale) + 10
+        self.books_per_page = int(screen_size[0]//x) * int(screen_size[1]//y)
+
+
 class BookServer:
     """HTTP Frontend"""
     def __init__(self):
@@ -80,9 +104,17 @@ class BookServer:
         else:
             self.close_prompt()
 
-    def run(self):
+    def run(self, test=0):
         """Start HTTP Server"""
         self.httpd = HTTPServer(self.server_address, self.handler)
+        if test != 0:
+            try:
+                self.httpd.serve_forever()
+                self.httpd.handle_request()
+                self.close()
+                return True
+            except Exception:
+                return False
         try:
             print("Server running @ http://127.0.0.1:8000")
             self.httpd.serve_forever()
@@ -91,7 +123,7 @@ class BookServer:
             print("Interrupt received, Closing Server")
             self.close()
             print("Server shutdown, Goodbye!")
-            return False
+            return True
 
     def close(self):
         """Stop HTTP Server"""