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Fixes #1114457 by counting the records

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This commit is contained in:
phill-ridout 2013-02-19 19:03:50 +00:00
parent b7c43aa65e
commit 7c635ce79b
1 changed files with 12 additions and 6 deletions
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18
openlp/plugins/songs/lib/ewimport.py
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@ -107,10 +107,6 @@ class EasyWorshipSongImport(SongImport):
self.encoding = retrieve_windows_encoding(self.encoding)
if not self.encoding:
return
# There does not appear to be a _reliable_ way of getting the number
# of songs/records, so let's use file blocks for measuring progress.
total_blocks = (db_size - header_size) / (block_size * 1024)
self.importWizard.progressBar.setMaximum(total_blocks)
# Read the field description information
db_file.seek(120)
field_info = db_file.read(num_fields * 2)
@ -134,12 +130,22 @@ class EasyWorshipSongImport(SongImport):
except IndexError:
# This is the wrong table
success = False
# Loop through each block of the file
# There does not appear to be a _reliable_ way of getting the number of songs/records, so loop through the file
# blocks and total the number of records. Store the information in a list so we dont have to do all this again.
cur_block = first_block
total_count = 0
block_list = []
while cur_block != 0 and success:
db_file.seek(header_size + ((cur_block - 1) * 1024 * block_size))
cur_block_pos = header_size + ((cur_block - 1) * 1024 * block_size)
db_file.seek(cur_block_pos)
cur_block, rec_count = struct.unpack('<h2xh', db_file.read(6))
rec_count = (rec_count + record_size) / record_size
block_list.append((cur_block_pos, rec_count))
total_count += rec_count
self.importWizard.progressBar.setMaximum(total_count)
for block in block_list:
cur_block_pos, rec_count = block
db_file.seek(cur_block_pos + 6)
# Loop through each record within the current block
for i in range(rec_count):
if self.stop_import_flag: