def check_installed(self):
"""
Check the viewer is installed.
:return: True if program to open PDF-files was found, otherwise False.
"""
log.debug('check_installed Pdf')
self.mudrawbin = None
self.mutoolbin = None
self.gsbin = None
self.also_supports = []
# Use the user defined program if given
if Settings().value('presentations/enable_pdf_program'):
program_path = Settings().value('presentations/pdf_program')
program_type = self.process_check_binary(program_path)
if program_type == 'gs':
self.gsbin = program_path
elif program_type == 'mudraw':
self.mudrawbin = program_path
elif program_type == 'mutool':
self.mutoolbin = program_path
else:
# Fallback to autodetection
application_path = AppLocation.get_directory(AppLocation.AppDir)
if is_win():
# for windows we only accept mudraw.exe or mutool.exe in the base folder
if (application_path / 'mudraw.exe').is_file():
self.mudrawbin = application_path / 'mudraw.exe'
elif (application_path / 'mutool.exe').is_file():
self.mutoolbin = application_path / 'mutool.exe'
else:
# First try to find mudraw
self.mudrawbin = which('mudraw')
# if mudraw isn't installed, try mutool
if not self.mudrawbin:
self.mutoolbin = which('mutool')
# Check we got a working mutool
if not self.mutoolbin or self.process_check_binary(
self.mutoolbin) != 'mutool':
self.gsbin = which('gs')
# Last option: check if mudraw or mutool is placed in OpenLP base folder
if not self.mudrawbin and not self.mutoolbin and not self.gsbin:
application_path = AppLocation.get_directory(
AppLocation.AppDir)
if (application_path / 'mudraw').is_file():
self.mudrawbin = application_path / 'mudraw'
elif (application_path / 'mutool').is_file():
self.mutoolbin = application_path / 'mutool'
if self.mudrawbin or self.mutoolbin:
self.also_supports = ['xps', 'oxps']
return True
elif self.gsbin:
return True
else:
return False
def test_which_no_command(self):
"""
Test :func:`openlp.core.common.path.which` when the command is not found.
"""
# GIVEN: A mocked :func:`shutil.which` when the command is not found.
with patch('openlp.core.common.path.shutil.which',
return_value=None) as mocked_shutil_which:
# WHEN: Calling :func:`openlp.core.common.path.which` with a command that does not exist.
result = which('no_command')
# THEN: :func:`shutil.which` should have been called with the command, and :func:`which` should return None.
mocked_shutil_which.assert_called_once_with('no_command')
assert result is None
def test_which_command(self):
"""
Test :func:`openlp.core.common.path.which` when a command has been found.
"""
# GIVEN: A mocked :func:`shutil.which` when the command is found.
with patch('openlp.core.common.path.shutil.which',
return_value=os.path.join(
'path', 'to', 'command')) as mocked_shutil_which:
# WHEN: Calling :func:`openlp.core.common.path.which` with a command that exists.
result = which('command')
# THEN: :func:`shutil.which` should have been called with the command, and :func:`which` should return a
# Path object equivalent of the command path.
mocked_shutil_which.assert_called_once_with('command')
assert result == Path('path', 'to', 'command')