transaction.atomic in importbooks
[wolnelektury.git] / apps / catalogue / management / commands / importbooks.py
index 1f08f7c..6461feb 100644 (file)
@@ -10,11 +10,14 @@ from django.conf import settings
 from django.core.management.base import BaseCommand
 from django.core.management.color import color_style
 from django.core.files import File
+from librarian.picture import ImageStore
+from wolnelektury_core.management.profile import profile
 
 from catalogue.models import Book
 from picture.models import Picture
 
-from search import Index
+from search.index import Index
+
 
 class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
@@ -22,14 +25,9 @@ class Command(BaseCommand):
             help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
         make_option('-f', '--force', action='store_true', dest='force', default=False,
             help='Overwrite works already in the catalogue'),
-        make_option('-E', '--no-build-epub', action='store_false', dest='build_epub', default=True,
-            help='Don\'t build EPUB file'),
-        make_option('-M', '--no-build-mobi', action='store_false', dest='build_mobi', default=True,
-            help='Don\'t build MOBI file'),
-        make_option('-T', '--no-build-txt', action='store_false', dest='build_txt', default=True,
-            help='Don\'t build TXT file'),
-        make_option('-P', '--no-build-pdf', action='store_false', dest='build_pdf', default=True,
-            help='Don\'t build PDF file'),
+        make_option('-D', '--dont-build', dest='dont_build',
+            metavar="FORMAT,...",
+            help="Skip building specified formats"),
         make_option('-S', '--no-search-index', action='store_false', dest='search_index', default=True,
             help='Skip indexing imported works for search'),
         make_option('-w', '--wait-until', dest='wait_until', metavar='TIME',
@@ -42,35 +40,44 @@ class Command(BaseCommand):
 
     def import_book(self, file_path, options):
         verbose = options.get('verbose')
+        if options.get('dont_build'):
+            dont_build = options.get('dont_build').lower().split(',')
+        else:
+            dont_build = None
         file_base, ext = os.path.splitext(file_path)
         book = Book.from_xml_file(file_path, overwrite=options.get('force'),
-                                                    build_epub=options.get('build_epub'),
-                                                    build_txt=options.get('build_txt'),
-                                                    build_pdf=options.get('build_pdf'),
-                                                    build_mobi=options.get('build_mobi'),
-                                                    search_index_tags=False)
+                                  dont_build=dont_build,
+                                  search_index_tags=False)
         for ebook_format in Book.ebook_formats:
             if os.path.isfile(file_base + '.' + ebook_format):
                 getattr(book, '%s_file' % ebook_format).save(
                     '%s.%s' % (book.slug, ebook_format),
-                    File(file(file_base + '.' + ebook_format)))
+                    File(file(file_base + '.' + ebook_format)),
+                    save=False
+                    )
                 if verbose:
                     print "Importing %s.%s" % (file_base, ebook_format)
-
         book.save()
 
-    def import_picture(self, file_path, options):
-        picture = Picture.from_xml_file(file_path, overwrite=options.get('force'))
+    def import_picture(self, file_path, options, continue_on_error=True):
+        try:
+            image_store = ImageStore(os.path.dirname(file_path))
+            picture = Picture.from_xml_file(file_path, image_store=image_store, overwrite=options.get('force'))
+        except Exception, ex:
+            if continue_on_error:
+                print "%s: %s" % (file_path, ex)
+                return
+            else:
+                raise ex
         return picture
 
+    #    @profile
     def handle(self, *directories, **options):
         from django.db import transaction
 
         self.style = color_style()
 
         verbose = options.get('verbose')
-        force = options.get('force')
-        show_traceback = options.get('traceback', False)
         import_picture = options.get('import_picture')
 
         wait_until = None
@@ -92,72 +99,67 @@ class Command(BaseCommand):
                 raise e
 
         # Start transaction management.
-        transaction.commit_unless_managed()
-        transaction.enter_transaction_management()
-        transaction.managed(True)
-
-        files_imported = 0
-        files_skipped = 0
-
-        for dir_name in directories:
-            if not os.path.isdir(dir_name):
-                print self.style.ERROR("%s: Not a directory. Skipping." % dir_name)
-            else:
-                # files queue
-                files = sorted(os.listdir(dir_name))
-                postponed = {}
-                while files:
-                    file_name = files.pop(0)
-                    file_path = os.path.join(dir_name, file_name)
-                    file_base, ext = os.path.splitext(file_path)
-
-                    # Skip files that are not XML files
-                    if not ext == '.xml':
-                        continue
-
-                    if verbose > 0:
-                        print "Parsing '%s'" % file_path
-                    else:
-                        sys.stdout.write('.')
-                        sys.stdout.flush()
-
-                    # Import book files
-                    try:
-                        if import_picture:
-                            self.import_picture(file_path, options)
+        with transaction.atomic():
+
+            files_imported = 0
+            files_skipped = 0
+
+            for dir_name in directories:
+                if not os.path.isdir(dir_name):
+                    print self.style.ERROR("%s: Not a directory. Skipping." % dir_name)
+                else:
+                    # files queue
+                    files = sorted(os.listdir(dir_name))
+                    postponed = {}
+                    while files:
+                        file_name = files.pop(0)
+                        file_path = os.path.join(dir_name, file_name)
+                        file_base, ext = os.path.splitext(file_path)
+
+                        # Skip files that are not XML files
+                        if not ext == '.xml':
+                            continue
+
+                        if verbose > 0:
+                            print "Parsing '%s'" % file_path
                         else:
-                            self.import_book(file_path, options)
-                        files_imported += 1
-                        transaction.commit()
-
-                    except (Book.AlreadyExists, Picture.AlreadyExists):
-                        print self.style.ERROR('%s: Book or Picture already imported. Skipping. To overwrite use --force.' %
-                            file_path)
-                        files_skipped += 1
-
-                    except Book.DoesNotExist, e:
-                        if file_name not in postponed or postponed[file_name] < files_imported:
-                            # push it back into the queue, maybe the missing child will show up
-                            if verbose:
-                                print self.style.NOTICE('Waiting for missing children')
-                            files.append(file_name)
-                            postponed[file_name] = files_imported
-                        else:
-                            # we're in a loop, nothing's being imported - some child is really missing
-                            raise e
-
-        # Print results
-        print
-        print "Results: %d files imported, %d skipped, %d total." % (
-            files_imported, files_skipped, files_imported + files_skipped)
-        print
-
-        if wait_until:
-            print 'Waiting...'
-            try:
-                time.sleep(wait_until - time.time())
-            except IOError:
-                print "it's already too late"
-
-        transaction.commit()
-        transaction.leave_transaction_management()
+                            sys.stdout.write('.')
+                            sys.stdout.flush()
+
+                        # Import book files
+                        try:
+                            if import_picture:
+                                self.import_picture(file_path, options)
+                            else:
+                                self.import_book(file_path, options)
+
+                            files_imported += 1
+
+                        except (Book.AlreadyExists, Picture.AlreadyExists):
+                            print self.style.ERROR('%s: Book or Picture already imported. Skipping. To overwrite use --force.' %
+                                file_path)
+                            files_skipped += 1
+
+                        except Book.DoesNotExist, e:
+                            if file_name not in postponed or postponed[file_name] < files_imported:
+                                # push it back into the queue, maybe the missing child will show up
+                                if verbose:
+                                    print self.style.NOTICE('Waiting for missing children')
+                                files.append(file_name)
+                                postponed[file_name] = files_imported
+                            else:
+                                # we're in a loop, nothing's being imported - some child is really missing
+                                raise e
+
+            # Print results
+            print
+            print "Results: %d files imported, %d skipped, %d total." % (
+                files_imported, files_skipped, files_imported + files_skipped)
+            print
+
+            if wait_until:
+                print 'Waiting...'
+                try:
+                    time.sleep(wait_until - time.time())
+                except IOError:
+                    print "it's already too late"