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Fix newline handling in stdout and stderr #686

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Merged
merged 2 commits into from
May 28, 2017
Merged

Fix newline handling in stdout and stderr #686

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084402a
Fix newline handling in stdout and stderr
May 26, 2017
7d2a6b7
Changes requested by sebastinas
May 28, 2017
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33 changes: 25 additions & 8 deletions bpython/curtsiesfrontend/repl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1079,13 +1079,6 @@ def run_code_and_maybe_finish(self, for_code=None):
if err:
indent = 0

# TODO This should be printed ABOVE the error that just happened
# instead or maybe just thrown away and not shown
if self.current_stdouterr_line:
self.display_lines.extend(paint.display_linize(
self.current_stdouterr_line, self.width))
self.current_stdouterr_line = ''

if self.rl_history.index == 0:
self._set_current_line(' ' * indent, update_completion=True)
else:
Expand Down Expand Up @@ -1137,11 +1130,27 @@ def clear_current_block(self, remove_from_history=True):
def get_current_block(self):
return '\n'.join(self.buffer + [self.current_line])

def move_current_stdouterr_line_up(self):
"""Append self.current_stdouterr_line to self.display_lines
then clean it."""
self.display_lines.extend(paint.display_linize(
self.current_stdouterr_line, self.width))
self.current_stdouterr_line = ''

def send_to_stdout(self, output):
"""Send unicode string to Repl stdout"""
if not output:
return
lines = output.split('\n')
if all(not line for line in lines):
# If the string consist only of newline characters,
# str.split returns one more empty strings.
lines = lines[:-1]
logger.debug('display_lines: %r', self.display_lines)
self.current_stdouterr_line += lines[0]
if lines[0]:
self.current_stdouterr_line += lines[0]
else:
self.move_current_stdouterr_line_up()
if len(lines) > 1:
self.display_lines.extend(paint.display_linize(
self.current_stdouterr_line, self.width, blank_line=True))
Expand All @@ -1157,9 +1166,17 @@ def send_to_stderr(self, error):

Must be able to handle FmtStrs because interpreter pass in
tracebacks already formatted."""
if not error:
return
lines = error.split('\n')
if all(not line for line in lines):
# If the string consist only of newline characters,
# str.split returns one more empty strings.
lines = lines[:-1]
if lines[-1]:
self.current_stdouterr_line += lines[-1]
else:
self.move_current_stdouterr_line_up()
self.display_lines.extend(sum((paint.display_linize(line, self.width,
blank_line=True)
for line in lines[:-1]), []))
Expand Down