# HG changeset patch
# User Madhusudan.C.S <madhusudancs@gmail.com>
# Date 1295483387 -19800
# Node ID d2a4fcbe2fae9e49faa74aa1e385bcd6f794f0e4
# Parent  5e9d16b5d5fb54740d029122af3c6ea5d7b9692a
A python script to load the data of tasks from CSV to database.

diff -r 5e9d16b5d5fb -r d2a4fcbe2fae scripts/generate_tasks_from_csv.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/generate_tasks_from_csv.py	Thu Jan 20 05:59:47 2011 +0530
@@ -0,0 +1,88 @@
+#! /usr/bin/python
+
+"""Module to fill database with the tasks supplied in CSV.
+This module takes the directory containing the csv files as
+argument and creates task for the data in each CSV file in
+this directory.
+"""
+
+__authors__ = [
+    '"Madhusudan.C.S" <madhusudancs@gmail.com>'
+  ]
+
+
+import csv
+import datetime
+import os
+import sys
+
+from django.contrib.auth.models import User
+
+from pytask.taskapp.models import Task
+
+
+STATIC_DATA = {
+  'created_by': User.objects.get(pk=1),
+  'creation_datetime': datetime.datetime.now()
+  }
+
+
+def get_textbooks_from_csv(directory, file_name):
+    """Return the list of the titles of tasks.
+
+    Args:
+        file: name of the CSV file from which tasks must be fetched.
+    """
+
+    file_absolute_name = os.path.join(directory, file_name)
+
+    csv_obj = csv.reader(open(file_absolute_name))
+
+    # Nifty trick to separate the file extension out and get the
+    # remaining part of the filename to use this as the tag for
+    # branches/departments
+    branch_name = os.extsep.join(file_name.split(os.extsep)[:-1])
+
+    textbooks = []
+    for line in csv_obj:
+        if len(line) == 2:
+            sep = ' by '
+        else:
+            sep = ''
+
+        textbooks.append({
+          'title': sep.join(line),
+          'desc': '(To be filled in by the Coordinator or the T/A.)',
+          'tags_field': ', '. join(['Textbook', branch_name, line[1]]),
+          'pynts': 10,
+          })
+
+    return textbooks
+
+def seed_db(data):
+    """Seeds the database when the data is passed as the argument
+
+    Args:
+        data: A dictionary containing the data to be seeded into the
+              task model.
+    """
+
+    for task in data:
+        task.update(STATIC_DATA)
+        task_obj = Task(**task)
+        task_obj.save()
+
+def main():
+    """Just a wrapper function to make call the functions that perform
+    the action.
+    """
+
+    for dir in sys.argv[1:]:
+        args = list(os.walk(dir))
+        files = args[0][2]
+        for file_name in files:
+            tasks = get_textbooks_from_csv(args[0][0], file_name)
+            seed_db(tasks)
+
+if __name__ == '__main__':
+    main()