Merged in [16601] from rjsparks@nostrum.com:

A management command to correct the state of several slide presentations uploaded during IETF105, and perform some missed powerpoint to pdf conversions.
 - Legacy-Id: 16659
Note: SVN reference [16601] has been migrated to Git commit a14188d95cf200dfbdd93485b89808f3336b0649

ietf/doc/management/commands/fix_105_slides.py

@@ -0,0 +1,67 @@
+# Copyright The IETF Trust 2019, All Rights Reserved
+# -*- coding: utf-8 -*-
+
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+import os
+
+from collections import Counter
+
+from django.core.management.base import BaseCommand
+
+from ietf.doc.models import DocEvent
+from ietf.meeting.models import Meeting, SessionPresentation
+from ietf.person.models import Person
+
+from ietf.secr.proceedings.proc_utils import is_powerpoint, post_process
+
+class Command(BaseCommand):
+    help = ('Fix uploaded_filename and generate pdf from pptx')
+
+    def add_arguments(self, parser):
+        parser.add_argument('--dry-run', action='store_true', dest='dry-run', default=False, help='Report on changes that would be made without making them')
+
+    def handle(self, *args, **options):
+        ietf105 = Meeting.objects.get(number=105)
+        slides_path = os.path.join(ietf105.get_materials_path(),'slides')
+        system_person = Person.objects.get(name="(System)")
+        counts = Counter()
+
+        for sp in SessionPresentation.objects.filter(session__meeting__number=105,document__type='slides'): #.filter(document__name='slides-105-manet-dlep-multicast-support-discussion'):
+            slides = sp.document
+            self.stderr.write("DEBUG: Processing %s" % slides)
+            if not os.path.exists(os.path.join(slides_path,slides.uploaded_filename)):
+                name, ext = os.path.splitext(slides.uploaded_filename)
+                target_filename = '%s-%s%s' % (name[:name.rfind('-ss')], slides.rev,ext)
+                if os.path.exists(os.path.join(slides_path,target_filename)):
+                    slides.uploaded_filename = target_filename
+                    if not options['dry-run']:
+                        e = DocEvent.objects.create(doc=slides, rev=slides.rev, by=system_person, type='changed_document', desc='Corrected uploaded_filename')
+                        slides.save_with_history([e])
+                    counts['uploaded_filename repair succeeded'] += 1
+
+                else:
+                    self.stderr.write("Unable to repair %s" % slides)
+                    counts['uploaded_filename repair failed'] += 1
+                    continue
+            else:
+                counts['uploaded_filename already ok'] += 1
+
+            if is_powerpoint(slides): 
+                base, _ = os.path.splitext(slides.uploaded_filename)
+                if os.path.exists(os.path.join(slides_path,base+'.pdf')):
+                    self.stderr.write("PDF already exists for %s " % slides)
+                    counts['PDF already exists for a repaired file'] += 1
+                else:
+                    if not options['dry-run']:
+                        post_process(slides)
+                    counts['PDF conversions'] += 1
+
+        if options['dry-run']:
+            self.stdout.write("This is a dry-run. Nothing has actually changed. In a normal run, the output would say the following:")
+
+        for label,count in counts.iteritems():
+            self.stdout.write("%s : %d" % (label,count) )
+
+