diff --git a/openlp/plugins/songs/lib/ewimport.py b/openlp/plugins/songs/lib/ewimport.py index e273223e7..a4a8b6944 100644 --- a/openlp/plugins/songs/lib/ewimport.py +++ b/openlp/plugins/songs/lib/ewimport.py @@ -110,6 +110,15 @@ class EasyWorshipSongImport(SongImport): log.debug('No encoding set.') return self.ews_file = open(self.import_source, 'rb') + # EWS header, version '1.6'/' 3'/' 5': + # Offset Field Data type Length Details + # -------------------------------------------------------------------------------------------------- + # 0 Filetype string 38 Specifies the file type and version. + # "EasyWorship Schedule File Version 1.6" or + # "EasyWorship Schedule File Version 3" or + # "EasyWorship Schedule File Version 5" + # 40/48/56 Entry count int32le 4 Number of items in the schedule + # 44/52/60 Entry length int16le 2 Length of schedule entries: 0x0718 = 1816 # Get file version type, = struct.unpack('<38s', self.ews_file.read(38)) version = type.decode()[-3:] @@ -130,22 +139,39 @@ class EasyWorshipSongImport(SongImport): self.import_wizard.progress_bar.setMaximum(entry_count) # Loop over songs for i in range(entry_count): - # Load entry metadata + # Load EWS entry metadata: + # Offset Field Data type Length Details + # ------------------------------------------------------------------------------------------------ + # 0 Title cstring 50 + # 307 Author cstring 50 + # 358 Copyright cstring 100 + # 459 Administrator cstring 50 + # 800 Content pointer int32le 4 Position of the content for this entry. + # 820 Content type int32le 4 0x01 = Song, 0x02 = Scripture, 0x03 = Presentation, + # 0x04 = Video, 0x05 = Live video, 0x07 = Image, + # 0x08 = Audio, 0x09 = Web + # 1410 Song number cstring 10 self.set_defaults() - self.title = self.get_string(file_pos, 50) - resource = self.get_string(file_pos + 51, 255) + self.title = self.get_string(file_pos + 0, 50) authors = self.get_string(file_pos + 307, 50) copyright = self.get_string(file_pos + 358, 100) admin = self.get_string(file_pos + 459, 50) cont_ptr = self.get_i32(file_pos + 800) cont_type = self.get_i32(file_pos + 820) - notes = self.get_string(file_pos + 1155, 160) self.ccli_number = self.get_string(file_pos + 1410, 10) # Only handle content type 1 (songs) if cont_type != 1: file_pos += entry_length continue # Load song content + # Offset Field Data type Length Details + # ------------------------------------------------------------------------------------------------ + # 0 Length int32le 4 Length (L) of the content, including the compressed content + # and the following fields (14 bytes total). + # 4 Content string L-14 Content compressed with deflate. + # Checksum int32be 4 Alder-32 checksum. + # (unknown) 4 0x51 0x4b 0x03 0x04 + # Content length int32le 4 Length of content after decompression content_length = self.get_i32(cont_ptr) deflated_content = self.get_bytes(cont_ptr + 4, content_length - 10) deflated_length = self.get_i32(cont_ptr + 4 + content_length - 6) @@ -293,6 +319,10 @@ class EasyWorshipSongImport(SongImport): def set_song_import_object(self, authors, words): """ Set the SongImport object members. + + :param authors: String with authons + :param words: Bytes with rtf-encoding + :return: """ if authors: # Split up the authors @@ -429,6 +459,10 @@ class EasyWorshipSongImport(SongImport): def get_bytes(self, pos, length): """ Get bytes from ews_file + + :param pos: Position to read from + :param length: Bytes to read + :return: Bytes read """ self.ews_file.seek(pos) return self.ews_file.read(length) @@ -436,6 +470,10 @@ class EasyWorshipSongImport(SongImport): def get_string(self, pos, length): """ Get string from ews_file + + :param pos: Position to read from + :param length: Characters to read + :return: String read """ bytes = self.get_bytes(pos, length) mask = '<' + str(length) + 's' @@ -445,6 +483,9 @@ class EasyWorshipSongImport(SongImport): def get_i16(self, pos): """ Get short int from ews_file + + :param pos: Position to read from + :return: Short integer read """ bytes = self.get_bytes(pos, 2) @@ -455,6 +496,9 @@ class EasyWorshipSongImport(SongImport): def get_i32(self, pos): """ Get long int from ews_file + + :param pos: Position to read from + :return: Long integer read """ bytes = self.get_bytes(pos, 4) mask = '