Adding a basic read_pdf.py script.

This is intended to grow into the counterpart of generate_pdf.py.

read_pdf.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python2
+
+import os
+import sys
+from argparse import ArgumentParser
+from scantron import ScantronParser
+
+# Make this file easier to use by adding nice arguments
+parser = ArgumentParser(description='Parse scanned scantron sheets.')
+parser.add_argument(
+        'data',
+        metavar='input_data',
+        help='File where the field data is stored. ' +
+                'This must be a python script with an array called "data" ' +
+                'of Field entries.')
+
+args = parser.parse_args()
+
+# If the file has a .py extension, we should still accept it
+if args.data.endswith('.py'):
+    args.data = os.path.splitext(args.data)[0]
+
+# Import the file specified on the command line
+try:
+    __import__(args.data)
+    data = sys.modules[args.data].data
+except ImportError:
+    print('Failed to import %s.' % args.data)
+    quit(1)
+except AttributeError:
+    print('Could not find data array.')
+    quit(1)
+
+# If everything went well, proceed to parse the filled scantron
+st = ScantronParser()
+st.scan(data, 'pages/page-1.jpg')

scantron.py

@@ -6,6 +6,15 @@
 from qrcode import *
 
 
+class ScantronParser:
+    def __init__(self):
+        pass
+
+
+    def scan(self, data, path):
+        pass
+
+
 class Scantron:
     def __init__(self, filename, spacing=0.3*inch):
         self._fontSize = 0.15*inch