From 4de9a58ae9f4d4d935fc98e97c5d7104d0def6e0 Mon Sep 17 00:00:00 2001
From: einarr <einarr@pvv.ntnu.no>
Date: Fri, 14 Dec 2007 16:45:05 +0000
Subject: [PATCH] Made a LoadDataFunction instead of four almost identical
 specialiced Funcions.

---
 workflows/smokers.py | 86 ++++++++++++++------------------------------
 1 file changed, 27 insertions(+), 59 deletions(-)

diff --git a/workflows/smokers.py b/workflows/smokers.py
index 03c6563..6b16cf5 100644
--- a/workflows/smokers.py
+++ b/workflows/smokers.py
@@ -20,10 +20,23 @@ class SmallTestWorkflow(workflow.Workflow):
 
         # DATA IMPORT
         load = workflow.Stage('load', 'Data')
-        load.add_function(DatasetLoadFunctionSmokerSmall())
-        load.add_function(DatasetLoadFunctionSmokerMedium())
-        load.add_function(DatasetLoadFunctionSmokerFull())
-        load.add_function(DatasetLoadFunctionSmokerGO())
+
+        load_small = LoadDataFunction('load-small', 'Smokers small', 
+                                       self, 'small')
+        load.add_function(load_small)
+
+        load_medium = LoadDataFunction('load-medium', 'Smokers medium', 
+                                       self, 'medium')
+        load.add_function(load_medium)
+
+        load_full = LoadDataFunction('load-full', 'Smokers full', 
+                                       self, 'full')
+        load.add_function(load_full)
+
+        load_go = LoadDataFunction('load-go', 'Smokers GO', 
+                                       self, 'go')
+        load.add_function(load_go)
+        
         #load.add_function(DatasetLoadFunctionCYCLE())
         self.add_stage(load)
         
@@ -71,68 +84,23 @@ class SmallTestWorkflow(workflow.Workflow):
         logger.log('debug', 'Small test workflow is now active')
 
 
-class DatasetLoadFunctionSmokerSmall(workflow.Function):
-    """Loader for all ftsv files of smokers small datasets."""
-    def __init__(self):
-        workflow.Function.__init__(self, 'load_small', 'Smoker (Small)')
+class LoadDataFunction(workflow.Function):
+    """Loads all datasets in a given directory."""
+    def __init__(self, ident, label, wf, dir=''):
+        workflow.Function.__init__(self, ident, label)
+        self._dir = dir
+        self._wf = wf
 
     def run(self):
-        path = os.path.join(main.options.datadir, 'smokers-small/')
+        path = os.path.join(main.options.datadir, self._wf.ident, self._dir)
         files = os.listdir(path)
         out = []
-        for fname in files:
-            if fname.endswith('.ftsv'):
-                input_file = open(os.path.join(path, fname))
-                out.append(dataset.read_ftsv(input_file))
+        for fn in files:
+            if fn.endswith('.ftsv'):
+                out.append(dataset.read_ftsv(os.path.join(path, fn)))
         return out
 
 
-class DatasetLoadFunctionSmokerMedium(workflow.Function):
-    """Loader for all ftsv files of smokers small datasets."""
-    def __init__(self):
-        workflow.Function.__init__(self, 'load_medium', 'Smoker (Medium)')
-
-    def run(self):
-        path = os.path.join(main.options.datadir, 'smokers-medium/')
-        files = os.listdir(path)
-        out = []
-        for fname in files:
-            if fname.endswith('.ftsv'):
-                input_file = open(os.path.join(path, fname))
-                out.append(dataset.read_ftsv(input_file))
-        return out
-
-
-class DatasetLoadFunctionSmokerFull(workflow.Function):
-    """Loader for all ftsv files of smokers small datasets."""
-    def __init__(self):
-        workflow.Function.__init__(self, 'load_full', 'Smoker (Full)')
-
-    def run(self):
-        path = os.path.join(main.options.datadir, 'smokers-full/')
-        files = os.listdir(path)
-        out = []
-        for fname in files:
-            if fname.endswith('.ftsv'):
-                input_file = open(os.path.join(path, fname))
-                out.append(dataset.read_ftsv(input_file))
-        return out
-
-class DatasetLoadFunctionSmokerGO(workflow.Function):
-    """Loader for all ftsv files of smokers small datasets."""
-    def __init__(self):
-        workflow.Function.__init__(self, 'load_go', 'Smoker (GO)')
-
-    def run(self):
-        path = os.path.join(main.options.datadir, 'smokers-go/')
-        files = os.listdir(path)
-        out = []
-        for fname in files:
-            if fname.endswith('.ftsv'):
-                input_file = open(os.path.join(path, fname))
-                out.append(dataset.read_ftsv(input_file))
-        return out
-
 class DatasetLoadFunctionCYCLE(workflow.Function):
     """Loader for pickled CYCLE datasets."""
     def __init__(self):