--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpp/legacy/management/commands/import_old_download_comments.py	Thu Apr 07 00:59:10 2011 +0000
@@ -0,0 +1,90 @@
+"""
+import_old_download_comments.py - For importing download comments from SG101 1.0
+as csv files.
+
+"""
+from __future__ import with_statement
+import csv
+from datetime import datetime
+
+from django.core.management.base import LabelCommand, CommandError
+from django.contrib.auth.models import User
+from django.contrib.contenttypes.models import ContentType
+
+from downloads.models import Download, VoteRecord
+from comments.models import Comment
+from legacy.html2md import MarkdownWriter
+import legacy.data
+
+
+class Command(LabelCommand):
+    args = '<filename filename ...>'
+    help = 'Imports download comments from the old database in CSV format'
+    md_writer = MarkdownWriter()
+
+    def handle_label(self, filename, **options):
+        """
+        Process each line in the CSV file given by filename by
+        creating a new object and saving it to the database.
+
+        """
+        try:
+            with open(filename, "rb") as f:
+                self.reader = csv.DictReader(f)
+                try:
+                    for row in self.reader:
+                        self.process_row(row)
+                except csv.Error, e:
+                    raise CommandError("CSV error: %s %s %s" % (
+                        filename, self.reader.line_num, e))
+
+        except IOError:
+            raise CommandError("Could not open file: %s" % filename)
+
+    def process_row(self, row):
+        """
+        Process one row from the CSV file: create an object for the row
+        and save it in the database.
+
+        """
+        dl_id = int(row['ratinglid'])
+        if dl_id in (1, 2, 3, 4):
+            return
+
+        try:
+            dl = Download.objects.get(pk=dl_id)
+        except Download.DoesNotExist:
+            return
+
+        try:
+            user = User.objects.get(username=row['ratinguser'])
+        except User.DoesNotExist:
+            try:
+                user = User.objects.get(
+                    username=legacy.data.KNOWN_USERNAME_CHANGES[row['ratinguser']])
+            except (User.DoesNotExist, KeyError):
+                return
+
+        vote_date = datetime.strptime(row['ratingtimestamp'], "%Y-%m-%d %H:%M:%S")
+
+        comment_text = row['ratingcomments'].decode('latin-1').strip()
+        if comment_text:
+            comment = Comment(
+                content_type=ContentType.objects.get_for_model(dl),
+                object_id=dl.id,
+                user=user,
+                comment=comment_text,
+                creation_date=vote_date,
+                ip_address = row['ratinghostname'],
+                is_public = True,
+                is_removed = False,
+            )
+            comment.save()
+
+        vr = VoteRecord(download=dl, user=user, vote_date=vote_date)
+        vr.save()
+
+    def to_markdown(self, s):
+        self.md_writer.reset()
+        self.md_writer.feed(s)
+        return self.md_writer.markdown()