Add apachelog.processor.status.StatusProcessor.

diff --git a/apachelog/processor/status.py b/apachelog/processor/status.py
new file mode 100644 (file)
index 0000000..420b161
--- /dev/null
+++ b/apachelog/processor/status.py
@@ -0,0 +1,43 @@
+from . import Processor as _Processor
+
+
+class StatusProcessor (_Processor):
+    r"""Track the status of requested files.
+
+    >>> import StringIO
+    >>> from apachelog.parser import Parser, FORMATS
+    >>> from apachelog.processor import process
+    >>> stream = StringIO.StringIO('\n'.join([
+    ...         '192.168.0.1 - - [18/Feb/2012:10:25:43 -0500] "GET / HTTP/1.1" 200 560 "-" "Mozilla/5.0 (...)"',
+    ...         '192.168.0.1 - - [18/Feb/2012:10:25:43 -0500] "GET /style.css HTTP/1.1" 200 8240 "-" "Mozilla/5.0 (...)"',
+    ...         '192.168.0.2 - - [18/Feb/2012:10:25:58 -0500] "GET / HTTP/1.1" 404 560 "-" "Mozilla/5.0 (...)"',
+    ...         ]))
+    >>> parser = Parser(FORMATS['extended'])
+    >>> sp = StatusProcessor()
+    >>> process(stream, parser, [sp])
+    >>> for request,status in sorted(sp.request.items()):
+    ...     print('\t'.join([request, ', '.join(sorted(status))]))
+    ... # doctest: +NORMALIZE_WHITESPACE
+    GET / HTTP/1.1      200, 404
+    GET /style.css HTTP/1.1     200
+    >>> for status,request in sorted(sp.status.items()):
+    ...     print('\t'.join([status, ', '.join(sorted(request))]))
+    ... # doctest: +NORMALIZE_WHITESPACE
+    200 GET / HTTP/1.1, GET /style.css HTTP/1.1
+    404 GET / HTTP/1.1
+    """
+    def __init__(self):
+        self.request = {}
+        self.status = {}
+
+    def process(self, data):
+        request = data['%r']
+        status = data['%>s']
+        if request in self.request:
+            self.request[request].add(status)
+        else:
+            self.request[request] = set([status])
+        if status in self.status:
+            self.status[status].add(request)
+        else:
+            self.status[status] = set([request])