1 files changed, 53 insertions, 0 deletions
diff --git a/paste/fileapp.py b/paste/fileapp.py
new file mode 100644
index 0000000..f285e00
--- /dev/null
+++ b/paste/fileapp.py
@@ -0,0 +1,53 @@
+"""
+Static file sending application
+"""
+import os
+import mimetypes
+import httpexceptions
+
+class FileApp(object):
+    """
+    Returns an application that will send the file at the given
+    filename.  Adds a mime type based on ``mimetypes.guess_type()``.
+    """
+    # @@: Should test things like last-modified, if-modified-since,
+    # etc.
+
+    def __init__(self, filename):
+        self.filename = filename
+
+    def __call__(self, environ, start_response):
+        type, encoding = mimetypes.guess_type(self.filename)
+        # @@: I don't know what to do with the encoding.
+        if not type:
+            type = 'application/octet-stream'
+        size = os.stat(self.filename).st_size
+        try:
+            file = open(self.filename, 'rb')
+        except (IOError, OSError), e:
+            exc = httpexceptions.HTTPForbidden(
+                'You are not permitted to view this file (%s)' % e)
+            return exc.wsgi_application(
+                environ, start_response)
+        start_response('200 OK',
+                       [('content-type', type),
+                        ('content-length', str(size))])
+        return _FileIter(file)
+
+class _FileIter:
+
+    def __init__(self, fp, blocksize=4096):
+        self.file = fp
+        self.blocksize = blocksize
+
+    def __iter__(self):
+        return self
+
+    def next(self):
+        data = self.file.read(self.blocksize)
+        if not data:
+            raise StopIteration
+        return data
+
+    def close(self):
+        self.file.close()