# HG changeset patch
# User boulanni <nicolas_boulanger@hotmail.com>
# Date 1267316786 18000
# Node ID 81f8466dc12110fe0866c7a0a61cdba2f58889f6
# Parent  992ca8035a4d017f782a427b9d9e643f5b85a537
Transient exception handling in captchas (ie. lorsque le NFS est temporairement inaccessible)

diff -r 992ca8035a4d -r 81f8466dc121 data_generation/transformations/pycaptcha/Captcha/File.py
--- a/data_generation/transformations/pycaptcha/Captcha/File.py	Sat Feb 27 19:21:57 2010 -0500
+++ b/data_generation/transformations/pycaptcha/Captcha/File.py	Sat Feb 27 19:26:26 2010 -0500
@@ -36,7 +36,10 @@
         """From our given file list, find a list of full paths to files"""
         paths = []
         for name in self.fileList:
-            path = os.path.join(dataDir, self.basePath, name)
+            if name[0] == '/':
+                path = name
+            else:
+                path = os.path.join(dataDir, self.basePath, name)
             if os.path.isdir(path):
                 for content in os.listdir(path):
                     if self._checkExtension(content):
diff -r 992ca8035a4d -r 81f8466dc121 data_generation/transformations/pycaptcha/Captcha/Visual/Text.py
--- a/data_generation/transformations/pycaptcha/Captcha/Visual/Text.py	Sat Feb 27 19:21:57 2010 -0500
+++ b/data_generation/transformations/pycaptcha/Captcha/Visual/Text.py	Sat Feb 27 19:26:26 2010 -0500
@@ -39,7 +39,7 @@
         return (fileName, size)
 
 # Predefined font factories
-defaultFontFactory = FontFactory(25, "allfonts")
+defaultFontFactory = FontFactory(25, "/Tmp/allfonts")
 #defaultFontFactory = FontFactory((30, 40), "vera")
 
 class TextLayer(Visual.Layer):
@@ -77,7 +77,17 @@
         self.borderColor = borderColor
 
     def render(self, img):
-        font = ImageFont.truetype(*self.font)
+
+        i=1
+        while True:
+            try:
+                font = ImageFont.truetype(*self.font)
+                break
+            except:
+                print "try#", i, self.font
+                i += 1
+                if i>10: raise
+
     	textSize = font.getsize(self.text)
         draw = ImageDraw.Draw(img)