X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/4f5547ad4cd06de77bdf0607e38aab2d45080bfc..5411431fe8c247572635a206cc977816dded415c:/apps/catalogue/management/commands/importbooks.py

diff --git a/apps/catalogue/management/commands/importbooks.py b/apps/catalogue/management/commands/importbooks.py
index 3ff0e5c90..72878fe25 100644
--- a/apps/catalogue/management/commands/importbooks.py
+++ b/apps/catalogue/management/commands/importbooks.py
@@ -1,5 +1,10 @@
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 import os
 import sys
+import time
 from optparse import make_option
 
 from django.core.management.base import BaseCommand
@@ -14,7 +19,13 @@ class Command(BaseCommand):
         make_option('-q', '--quiet', action='store_false', dest='verbose', default=True,
             help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
         make_option('-f', '--force', action='store_true', dest='force', default=False,
-            help='Print status messages to stdout')
+            help='Print status messages to stdout'),
+        make_option('-E', '--no-build-epub', action='store_false', dest='build_epub', default=True,
+            help='Don\'t build EPUB file'),
+        make_option('-T', '--no-build-txt', action='store_false', dest='build_txt', default=True,
+            help='Don\'t build TXT file'),
+        make_option('-w', '--wait-until', dest='wait_until', metavar='TIME',
+            help='Wait until specified time (Y-M-D h:m:s)'),
     )
     help = 'Imports books from the specified directories.'
     args = 'directory [directory ...]'
@@ -28,6 +39,14 @@ class Command(BaseCommand):
         force = options.get('force')
         show_traceback = options.get('traceback', False)
 
+        wait_until = None
+        if options.get('wait_until'):
+            wait_until = time.mktime(time.strptime(options.get('wait_until'), '%Y-%m-%d %H:%M:%S'))
+            if verbose > 0:
+                print "Will wait until %s; it's %f seconds from now" % (
+                    time.strftime('%Y-%m-%d %H:%M:%S', 
+                    time.localtime(wait_until)), wait_until - time.time())
+
         # Start transaction management.
         transaction.commit_unless_managed()
         transaction.enter_transaction_management()
@@ -35,64 +54,80 @@ class Command(BaseCommand):
 
         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:
-                for file_name in os.listdir(dir_name):
+                # 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:
-                        book = Book.from_xml_file(file_path, overwrite=force)
+                        book = Book.from_xml_file(file_path, overwrite=force, 
+                                                  build_epub=options.get('build_epub'),
+                                                  build_txt=options.get('build_txt'))
                         files_imported += 1
-                        
+
                         if os.path.isfile(file_base + '.pdf'):
                             book.pdf_file.save('%s.pdf' % book.slug, File(file(file_base + '.pdf')))
                             if verbose:
-                                print "Importing %s.pdf" % file_base 
-                        if os.path.isfile(file_base + '.odt'):
-                            book.odt_file.save('%s.odt' % book.slug, File(file(file_base + '.odt')))
+                                print "Importing %s.pdf" % file_base
+                        if os.path.isfile(file_base + '.epub'):
+                            book.epub_file.save('%s.epub' % book.slug, File(file(file_base + '.epub')))
                             if verbose:
-                                print "Importing %s.odt" % file_base
+                                print "Importing %s.epub" % file_base
                         if os.path.isfile(file_base + '.txt'):
                             book.txt_file.save('%s.txt' % book.slug, File(file(file_base + '.txt')))
                             if verbose:
                                 print "Importing %s.txt" % file_base
-                        if os.path.isfile(file_base + '.mp3'):
-                            book.mp3_file.save('%s.mp3' % book.slug, File(file(file_base + '.mp3')))
-                            if verbose:
-                                print "Importing %s.txt" % file_base
-                        if os.path.isfile(file_base + '.ogg'):
-                            book.ogg_file.save('%s.ogg' % book.slug, File(file(file_base + '.ogg')))
-                            if verbose:
-                                print "Importing %s.ogg" % file_base
-                            
+
                         book.save()
-                    
+
                     except Book.AlreadyExists, msg:
                         print self.style.ERROR('%s: Book 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()