From af5a5d3eb362ed31ca15e5b75bef212fa14aa297 Mon Sep 17 00:00:00 2001
From: Megan Kratz <meganbkratz@gmail.com>
Date: Sat, 10 Nov 2012 11:22:56 -0500
Subject: [PATCH 1/3] Start of work on DateAxis

---
 examples/customPlot.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/examples/customPlot.py b/examples/customPlot.py
index 451ae501..187da5e9 100644
--- a/examples/customPlot.py
+++ b/examples/customPlot.py
@@ -15,9 +15,18 @@ import time
 class DateAxis(pg.AxisItem):
     def tickStrings(self, values, scale, spacing):
         strns = []
+        rng = max(values)-min(values)
+        if rng < 120:
+            return pg.AxisItem.tickStrings(self, values, scale, spacing)
+        elif rng >= 120 and rng < 3600*24:
+            string = '%H:%M:%S'
+        elif rng >= 3600*24 and rng < 3600*24*30:
+            string = '%d'
+        elif rng >= 3600*24*30:
+            string = '%b %Y'
         for x in values:
             try:
-                strns.append(time.strftime('%b %Y', time.localtime(x)))
+                strns.append(time.strftime(string, time.localtime(x)))
             except ValueError:  ## Windows can't handle dates before 1970
                 strns.append('')
         return strns

From dde6a2ac4cce68ec42f0ccb04f0e27573fcc3696 Mon Sep 17 00:00:00 2001
From: Megan Kratz <meganbkratz@gmail.com>
Date: Tue, 27 Nov 2012 14:54:49 -0500
Subject: [PATCH 2/3] work on DateAxisItem

---
 examples/customPlot.py | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/examples/customPlot.py b/examples/customPlot.py
index 187da5e9..e86fc1e5 100644
--- a/examples/customPlot.py
+++ b/examples/customPlot.py
@@ -16,19 +16,34 @@ class DateAxis(pg.AxisItem):
     def tickStrings(self, values, scale, spacing):
         strns = []
         rng = max(values)-min(values)
-        if rng < 120:
-            return pg.AxisItem.tickStrings(self, values, scale, spacing)
-        elif rng >= 120 and rng < 3600*24:
+        #if rng < 120:
+        #    return pg.AxisItem.tickStrings(self, values, scale, spacing)
+        if rng < 3600*24:
             string = '%H:%M:%S'
+            label1 = '%b %d -'
+            label2 = ' %b %d, %Y'
         elif rng >= 3600*24 and rng < 3600*24*30:
             string = '%d'
-        elif rng >= 3600*24*30:
-            string = '%b %Y'
+            label1 = '%b - '
+            label2 = '%b, %Y'
+        elif rng >= 3600*24*30 and rng < 3600*24*30*24:
+            string = '%b'
+            label1 = '%Y -'
+            label2 = ' %Y'
+        elif rng >=3600*24*30*24:
+            string = '%Y'
+            label1 = ''
+            label2 = ''
         for x in values:
             try:
                 strns.append(time.strftime(string, time.localtime(x)))
             except ValueError:  ## Windows can't handle dates before 1970
                 strns.append('')
+        try:
+            label = time.strftime(label1, time.localtime(min(values)))+time.strftime(label2, time.localtime(max(values)))
+        except ValueError:
+            label = ''
+        #self.setLabel(text=label)
         return strns
 
 class CustomViewBox(pg.ViewBox):

From c8123fefaac0fdbdeb5128c0e6893e080594ae93 Mon Sep 17 00:00:00 2001
From: Megan Kratz <meganbkratz@gmail.com>
Date: Thu, 29 Nov 2012 16:50:42 -0500
Subject: [PATCH 3/3] added primitive test capability to run through all
 examples - works but needs to be refined to make it better -- to run the
 tests simply run "python pyqtgraph/examples --test"

---
 examples/__main__.py | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/examples/__main__.py b/examples/__main__.py
index 9bd96d8a..894b178e 100644
--- a/examples/__main__.py
+++ b/examples/__main__.py
@@ -1,4 +1,4 @@
-import sys, os
+import sys, os, subprocess, time
 ## make sure this pyqtgraph is importable before any others
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
 from pyqtgraph.Qt import QtCore, QtGui, USE_PYSIDE
@@ -151,5 +151,38 @@ def run():
     
     app.exec_()
 
+def buildFileList(examples, files=None):
+    if files == None:
+        files = []
+    for key, val in examples.items():
+        #item = QtGui.QTreeWidgetItem([key])
+        if isinstance(val, basestring):
+            #item.file = val
+            files.append((key,val))
+        else:
+            buildFileList(val, files)
+    return files
+            
+def testFile(name, f):
+    global path
+    fn =  os.path.join(path,f)
+    #print "starting process: ", fn
+    process = subprocess.Popen([sys.executable, fn], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    time.sleep(1)
+    process.terminate()
+    res = process.communicate()
+    if res[1] == '':
+        print "%s.......................  passed" % name
+    else:
+        print "%s.......................  FAILED" % name
+        print res
+    
+
+
 if __name__ == '__main__':
-    run()
+    if '--test' in sys.argv[1:]:
+        files = buildFileList(examples)
+        for f in files:
+            testFile(*f)
+    else: 
+        run()