--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/legacy/management/commands/import_old_potd.py	Sat Dec 31 21:34:17 2011 +0000
@@ -0,0 +1,127 @@
+"""
+import_old_potd.py - For importing POTD's from SG101 1.0 as csv files.
+
+"""
+from __future__ import with_statement
+import csv
+import optparse
+import sys
+from datetime import datetime
+
+from django.core.management.base import LabelCommand, CommandError
+from django.contrib.auth.models import User
+
+from potd.models import Photo
+from legacy.phpbb import unescape
+import legacy.data
+
+
+ID_OFFSET = 100
+
+
+class PathError(Exception):
+    pass
+
+def convert_path(old_path):
+    """
+    Converts the old POTD path to a new one.
+
+    """
+    if old_path.startswith('images/potd/'):
+        return "potd/1.0/%s" % old_path[12:]
+    else:
+        raise PathError("Unknown path %s" % old_path)
+
+
+class Command(LabelCommand):
+    args = '<filename filename ...>'
+    help = "Imports POTD's from the old database in CSV format"
+    option_list = LabelCommand.option_list + (
+        optparse.make_option("-p", "--progress", action="store_true",
+            help="Output a . after every 20 items to show progress"),
+    )
+
+    def handle_label(self, filename, **options):
+        """
+        Process each line in the CSV file given by filename by
+        creating a new Photo
+
+        """
+        self.show_progress = options.get('progress')
+        self.users = {}
+
+        try:
+            with open(filename, "rb") as f:
+                self.reader = csv.DictReader(f)
+                num_rows = 0
+                try:
+                    for row in self.reader:
+                        self.process_row(row)
+                        num_rows += 1
+                        if self.show_progress and num_rows % 20 == 0:
+                            sys.stdout.write('.')
+                            sys.stdout.flush()
+                except csv.Error, e:
+                    raise CommandError("CSV error: %s %s %s" % (
+                        filename, self.reader.line_num, e))
+
+                print
+
+        except IOError:
+            raise CommandError("Could not open file: %s" % filename)
+
+    def process_row(self, row):
+        """
+        Process one row from the CSV file: create a Photo object for
+        the row and save it in the database.
+
+        """
+        try:
+            submitter = self._get_user(row['submitted_by'].decode('latin-1'))
+        except User.DoesNotExist:
+            print "Could not find user %s for potd %s; skipping." % (
+                    row['submitted_by'], row['pid'])
+            return
+
+        desc = row['description'].decode('latin-1').replace('\n', '\n<br />')
+
+        try:
+            photo = Photo(
+                id=int(row['pid']) + ID_OFFSET,
+                photo=convert_path(row['photo_path']),
+                thumb=convert_path(row['thumb_path']),
+                caption=unescape(row['title'].decode('latin-1')),
+                description=desc,
+                user=submitter,
+                date_added=datetime.strptime(row['date_added'],
+                    "%Y-%m-%d %H:%M:%S"),
+                potd_count=int(row['chosen_count']))
+        except PathError, ex:
+            self.stderr.write("\n%s, skipping\n" % ex)
+            return
+
+        photo.save()
+
+    def _get_user(self, username):
+        """
+        Returns the user object with the given username.
+        Throws User.DoesNotExist if not found.
+
+        """
+        try:
+            return self.users[username]
+        except KeyError:
+            pass
+
+        try:
+            user = User.objects.get(username=username)
+        except User.DoesNotExist:
+            old_name = username.lower()
+            try:
+                user = User.objects.get(
+                        username=legacy.data.KNOWN_USERNAME_CHANGES[old_name])
+            except KeyError:
+                raise User.DoesNotExist
+
+        self.users[username] = user
+        return user