def _attempt_build(self):
try:
users_layouts = build_from_file(
self._input_path,
auto_format_and_overwrite=False)
except LayoutError as e:
if 'Cannot read this file' in str(e):
self._log.setText(MultilineString.shift_left("""
The builder says it cannot access your input file,
but that is probably because your editor had it locked
at the moment it tried. It will carry on as normal the
next time you save a change.
"""))
else:
self._log.setText(str(e))
return
top_item = users_layouts.first_top_level_item()
# If the top level item in the tree is a widget, we just show it.
if isinstance(top_item, QWidget):
self._show_built_content(top_item)
# Whereas, if it is a layout we wrap it in a widget so we can show it.
elif isinstance(top_item, QLayout):
wrapper = QWidget(top_item)
self._show_built_content(wrapper)
self._log.setText('Build successful')
def test_shift_left(self):
# Normal usage
str_input = """
foo
bar
baz
"""
result = MultilineString.shift_left(str_input)
lines = result.split('\n')
self.assertEqual(lines[0], 'foo')
self.assertEqual(lines[1], ' bar')
self.assertEqual(lines[2], ' baz')
def test_reformatted_file_gets_written_to_file_specified(self):
tmp_dir = tempfile.mkdtemp()
reformat_location = path.join(tmp_dir, 're-formatted.txt')
str_input = """
top_widget QWidget
layout QVBoxLayout
"""
build_from_multi_line_string(
str_input, auto_format_and_write_to=reformat_location)
with open(reformat_location, 'r') as input_file:
contents = MultilineString.shift_left(input_file.read())
print contents
self.assertEqual(
contents,
MultilineString.shift_left("""
top_widget QWidget
layout QVBoxLayout
"""))
shutil.rmtree(tmp_dir)
def test_at_api_level(self):
# Make a file that we will then overwrite.
orig_fd = tempfile.NamedTemporaryFile(suffix='.txt', delete=False)
orig_file_path = orig_fd.name
content = MultilineString.shift_left("""
layout QHBoxLayout
widget QWidget
""")
orig_fd.write(content)
orig_fd.close()
# Mandate the overwrite
OriginalFileReWriter.overwrite_original(orig_file_path, 'new content')
# Check for both the presence of the new content, and the
# backup message.
with open(orig_file_path, 'r') as input_file:
content = input_file.read()
self.assertTrue('new content' in content)
self.assertTrue('has been' in content)