Merge branch 'pretty' of github.com:fnp/wolnelektury into pretty
[wolnelektury.git] / apps / catalogue / management / commands / importbooks.py
index c0a5df1..5b4d499 100644 (file)
@@ -1,11 +1,18 @@
+# -*- 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
 from django.core.management.color import color_style
-from optparse import make_option
+from django.core.files import File
 
 from catalogue.models import Book
+from picture.models import Picture
 
 
 class Command(BaseCommand):
@@ -13,11 +20,48 @@ 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('-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('-S', '--no-search-index', action='store_false', dest='search_index', default=True,
+            help='Don\'t build PDF file'),
+        make_option('-w', '--wait-until', dest='wait_until', metavar='TIME',
+            help='Wait until specified time (Y-M-D h:m:s)'),
+        make_option('-p', '--picture', action='store_true', dest='import_picture', default=False,
+            help='Import pictures'),
     )
     help = 'Imports books from the specified directories.'
     args = 'directory [directory ...]'
 
+    def import_book(self, file_path, options):
+        verbose = options.get('verbose')
+        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=options.get('search_index'))
+        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)))
+                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'))
+        return picture
+
     def handle(self, *directories, **options):
         from django.db import transaction
 
@@ -26,6 +70,15 @@ class Command(BaseCommand):
         verbose = options.get('verbose')
         force = options.get('force')
         show_traceback = options.get('traceback', False)
+        import_picture = options.get('import_picture')
+
+        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()
@@ -34,59 +87,66 @@ 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)
-                files_skipped += 1
             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':
-                        print self.style.NOTICE("%s: Not an XML file. Skipping." % file_path)
-                        files_skipped += 1
                         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)
+                        if import_picture:
+                            self.import_picture(file_path, options)
+                        else:
+                            self.import_book(file_path, options)
                         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')))
-                            if verbose:
-                                print "Importing %s.odt" % 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
-                    
-                        book.save()
-                    
-                    except Book.AlreadyExists, msg:
-                        print self.style.ERROR('%s: Book already imported. Skipping. To overwrite use --force.' %
+
+                    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()