From af529bcd4e214c13b7810eeba4d425c4a1129b58 Mon Sep 17 00:00:00 2001
From: ryuslash
Date: Mon, 19 Apr 2010 09:16:04 +0200
Subject: Not checking and kirbybase

Using kirbybase to store downloaded images
A nasty bug that always returned the wrong result when checking whether an image had already been downloaded has been fixed
---
 backend.py | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 backend.py

(limited to 'backend.py')

diff --git a/backend.py b/backend.py
new file mode 100644
index 0000000..8dffb3e
--- /dev/null
+++ b/backend.py
@@ -0,0 +1,60 @@
+import os
+import modules.kirbybase
+from util import confdir,raw_input_with_default
+import config
+
+class _Backend(object):
+    """ A class that communicates with the datastore """
+    def __init__(self):
+        self.table = os.path.join(confdir, "images.tbl")
+        self.store = modules.kirbybase.KirbyBase()
+        self.__collection = ""
+        self.__new_collection = []
+
+        self.load()
+
+    def create_store_if_needed(self):
+        if not os.path.exists(self.table):
+            return self.store.create(self.table, ["filename:String"])
+        return True
+
+    def add(self, filename):
+        self.__new_collection.append(filename)
+
+    def check(self, filename):        
+        collected = filename in self.__collection
+        downloaded = filename in self.__new_collection
+
+        if not downloaded:
+            self.add(filename)
+        
+        if collected or downloaded:
+            return True
+
+        return False
+
+    def save(self):
+        os.remove(self.table)
+        self.create_store_if_needed()
+        for f in self.__new_collection:
+            self.store.insert(self.table, [f])
+
+    def load(self):
+        if os.path.exists(self.table):
+            self.__collection = self.store.select(self.table, ['recno'], ['*'], ['filename'], returnType="report")
+
+_backend = None
+def Backend():
+    global _backend
+
+    if _backend == None:
+        _backend = _Backend()
+    return _backend
+
+if __name__ == "__main__":
+    backend = Backend()
+    config._optioncreator = raw_input_with_default 
+    cfg = config.Configuration()
+    
+    for f in os.listdir(cfg.get_archive_location()):
+        backend.add(f)
-- 
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