From 436f26b4eb1b38089396374876908fdb06d3c015 Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Wed, 2 Mar 2016 21:37:50 +0100
Subject: Added framework project 1
---
project1/proj1_s4498062/webhttp/resource.py | 86 +++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 project1/proj1_s4498062/webhttp/resource.py
(limited to 'project1/proj1_s4498062/webhttp/resource.py')
diff --git a/project1/proj1_s4498062/webhttp/resource.py b/project1/proj1_s4498062/webhttp/resource.py
new file mode 100644
index 0000000..dc20067
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/resource.py
@@ -0,0 +1,86 @@
+"""Resources
+
+This module contains a handler class for resources.
+"""
+
+import os
+import mimetype
+import urlparse
+
+
+class FileExistError(Exception):
+ """Exception which is raised when file does not exist"""
+ pass
+
+
+class FileAccessError(Exception):
+ """Exception which is raised when file exists, but cannot be accessed"""
+ pass
+
+
+class Resource:
+ """Class for representing a Resource (file)"""
+
+ def __init__(self, uri):
+ """Initialize the resource"
+
+ Raises:
+ FileExistError: if resource does not exist
+ FileAccessError: if resource exists, but cannot be accessed
+
+ Args:
+ uri (str): Uniform Resource Identifier
+ """
+ self.uri = uri
+ out = urlparse.urlparse(uri)
+ self.path = os.path.join("content", out.path.lstrip("/"))
+ if os.path.isdir(self.path):
+ self.path = os.path.join(self.path, "index.html")
+ if not os.path.isfile(self.path):
+ raise FileExistError
+ if not os.access(self.path, os.R_OK):
+ raise FileAccessError
+
+ def generate_etag(self):
+ """Generate the ETag for the resource
+
+ Returns:
+ str: ETag for the resource
+ """
+ stat = os.stat(self.path)
+ etag = ""
+ return etag
+
+ def get_content(self):
+ """Get the contents of the resource
+
+ Returns:
+ str: Contents of the resource
+ """
+ return open(self.path).read()
+
+ def get_content_type(self):
+ """Get the content type, i.e "text/html"
+
+ Returns:
+ str: type of content in the resource
+ """
+ mimetype = mimetypes.guess_type(self.path)
+ return mimetype[0]
+
+ def get_content_encoding(self):
+ """Get the content encoding, i.e "gzip"
+
+ Returns:
+ str: encoding used for the resource
+ """
+ mimetype = mimetypes.guess_type(self.path)
+ return mimetype[1]
+
+ def get_content_length(self):
+ """Get the length of the resource
+
+ Returns:
+ int: length of resource in bytes
+ """
+ return os.path.getsize(self.path)
--
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