return "".join(common)
-def print_guess(dry_run=True):
- from collections import defaultdict
- from pipes import quote
- import re
-
- def read_slug(slug):
- res = []
- res.append((re.compile(ur'__?(przedmowa)$'), -1))
- res.append((re.compile(ur'__?(cz(esc)?|ksiega|rozdzial)__?(?P<n>\d*)$'), None))
- res.append((re.compile(ur'__?(rozdzialy__?)?(?P<n>\d*)-'), None))
-
- for r, default in res:
- m = r.search(slug)
- if m:
- start = m.start()
- try:
- return int(m.group('n')), slug[:start]
- except IndexError:
- return default, slug[:start]
- return None, slug
-
- def file_to_title(fname):
- """ Returns a title-like version of a filename. """
- parts = (p.replace('_', ' ').title() for p in fname.split('__'))
- return ' / '.join(parts)
-
- merges = defaultdict(list)
- for b in Book.objects.all():
- n, ns = read_slug(b.slug)
- if n is not None:
- merges[ns].append((n, b))
-
- for slug in sorted(merges.keys()):
- merge_list = sorted(merges[slug])
- if len(merge_list) < 2:
- continue
-
- title = file_to_title(slug)
- print "./manage.py merge_books %s--title=%s --slug=%s \\\n %s\n" % (
- '--dry-run ' if dry_run else '',
- quote(title), slug,
- " \\\n ".join(b.slug for i, b in merge_list)
- )
-
-
class Command(BaseCommand):
option_list = BaseCommand.option_list + (
make_option('-s', '--slug', dest='new_slug', metavar='SLUG',
help='Try to guess what merges are needed (but do not apply them).'),
make_option('-d', '--dry-run', action='store_true', dest='dry_run', default=False,
help='Dry run: do not actually change anything.'),
+ make_option('-f', '--force', action='store_true', dest='force', default=False,
+ help='On slug conflict, hide the original book to archive.'),
)
help = 'Merges multiple books into one.'
args = '[slug]...'
+
+ def print_guess(self, dry_run=True, force=False):
+ from collections import defaultdict
+ from pipes import quote
+ import re
+
+ def read_slug(slug):
+ res = []
+ res.append((re.compile(ur'__?(przedmowa)$'), -1))
+ res.append((re.compile(ur'__?(cz(esc)?|ksiega|rozdzial)__?(?P<n>\d*)$'), None))
+ res.append((re.compile(ur'__?(rozdzialy__?)?(?P<n>\d*)-'), None))
+
+ for r, default in res:
+ m = r.search(slug)
+ if m:
+ start = m.start()
+ try:
+ return int(m.group('n')), slug[:start]
+ except IndexError:
+ return default, slug[:start]
+ return None, slug
+
+ def file_to_title(fname):
+ """ Returns a title-like version of a filename. """
+ parts = (p.replace('_', ' ').title() for p in fname.split('__'))
+ return ' / '.join(parts)
+
+ merges = defaultdict(list)
+ slugs = []
+ for b in Book.objects.all():
+ slugs.append(b.slug)
+ n, ns = read_slug(b.slug)
+ if n is not None:
+ merges[ns].append((n, b))
+
+ conflicting_slugs = []
+ for slug in sorted(merges.keys()):
+ merge_list = sorted(merges[slug])
+ if len(merge_list) < 2:
+ continue
+
+ merge_slugs = [b.slug for i, b in merge_list]
+ if slug in slugs and slug not in merge_slugs:
+ conflicting_slugs.append(slug)
+
+ title = file_to_title(slug)
+ print "./manage.py merge_books %s%s--title=%s --slug=%s \\\n %s\n" % (
+ '--dry-run ' if dry_run else '',
+ '--force ' if force else '',
+ quote(title), slug,
+ " \\\n ".join(merge_slugs)
+ )
+
+ if conflicting_slugs:
+ if force:
+ print self.style.NOTICE('# These books will be archived:')
+ else:
+ print self.style.ERROR('# ERROR: Conflicting slugs:')
+ for slug in conflicting_slugs:
+ print '#', slug
+
+
def handle(self, *slugs, **options):
self.style = color_style()
+ force = options.get('force')
guess = options.get('guess')
dry_run = options.get('dry_run')
new_slug = options.get('new_slug')
print "Please specify either slugs, or --guess."
return
else:
- print_guess(dry_run)
+ self.print_guess(dry_run, force)
return
if not slugs:
print "Please specify some book slugs"
return
-
# Start transaction management.
transaction.commit_unless_managed()
transaction.enter_transaction_management()
transaction.managed(True)
-
books = [Book.objects.get(slug=slug) for slug in slugs]
common_slug = common_prefix(slugs)
common_title = common_prefix([b.title for b in books])
elif common_slug.startswith(new_slug):
common_slug = new_slug
+ if slugs[0] != new_slug and Book.objects.filter(slug=new_slug).exists():
+ self.style.ERROR('Book already exists, skipping!')
+
+
if dry_run and verbose:
print self.style.NOTICE('DRY RUN: nothing will be changed.')
print
if verbose:
print "title: %s // %s -->\n %s // %s\nslug: %s / %s -->\n %s / %s" % (
- book.title, chunk.comment,
+ book.title, chunk.title,
new_title, new_chunk_title,
book.slug, chunk.slug,
new_slug, new_chunk_slug)
print
if not dry_run:
+ try:
+ conflict = Book.objects.get(slug=new_slug)
+ except Book.DoesNotExist:
+ conflict = None
+ else:
+ if conflict == books[0]:
+ conflict = None
+
+ if conflict:
+ if force:
+ # FIXME: there still may be a conflict
+ conflict.slug = '.' + conflict.slug
+ conflict.save()
+ print self.style.NOTICE('Book with slug "%s" moved to "%s".' % (new_slug, conflict.slug))
+ else:
+ print self.style.ERROR('ERROR: Book with slug "%s" exists.' % new_slug)
+ return
+
if i:
books[0].append(books[i], slugs=chunk_slugs, titles=chunk_titles)
else:
book.slug = new_slug
book.save()
for j, chunk in enumerate(book):
- chunk.comment = chunk_titles[j]
+ chunk.title = chunk_titles[j]
chunk.slug = chunk_slugs[j]
chunk.save()