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Merge send_to_stdout and send_to_stderr; fix newline handling #751

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Merge send_to_stdout and send_to_stderr; fix newline handling #751

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93ee6ec
Merge send_to_stdout and send_to_stderr; fix newline handling (#744)
ata2001 Sep 30, 2018
ca62464
Add tests for stdout newline handling
ata2001 Sep 30, 2018
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Merge send_to_stdout and send_to_stderr; fix newline handling (#744)
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@ata2001
ata2001 committed Sep 30, 2018
commit 93ee6ecbf5622b3241cf97c5d12f3e87a7c4546e
41 changes: 12 additions & 29 deletions bpython/curtsiesfrontend/repl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -229,7 +229,7 @@ def readline(self):
value = self.readline_results.pop(0)
else:
value = 'no saved input available'
self.repl.send_to_stdout(value)
self.repl.send_to_stdouterr(value)
return value


Expand Down Expand Up @@ -333,7 +333,7 @@ def __init__(self,

if interp is None:
interp = Interp(locals=locals_)
interp.write = self.send_to_stderr
interp.write = self.send_to_stdouterr
if banner is None:
if config.help_key:
banner = (_('Welcome to bpython!') + ' ' +
Expand Down Expand Up @@ -393,9 +393,9 @@ def __init__(self,

# filenos match the backing device for libs that expect it,
# but writing to them will do weird things to the display
self.stdout = FakeOutput(self.coderunner, self.send_to_stdout,
self.stdout = FakeOutput(self.coderunner, self.send_to_stdouterr,
fileno=sys.__stdout__.fileno())
self.stderr = FakeOutput(self.coderunner, self.send_to_stderr,
self.stderr = FakeOutput(self.coderunner, self.send_to_stdouterr,
fileno=sys.__stderr__.fileno())
self.stdin = FakeStdin(self.coderunner, self, self.edit_keys)

Expand Down Expand Up @@ -1144,11 +1144,14 @@ 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, self.width, blank_line=True))
self.current_stdouterr_line = ''

def send_to_stdout(self, output):
"""Send unicode string to Repl stdout"""
def send_to_stdouterr(self, output):
"""Send unicode strings or FmtStr to Repl stdout or stderr

Must be able to handle FmtStrs because interpreter pass in
tracebacks already formatted."""
if not output:
return
lines = output.split('\n')
Expand All @@ -1163,34 +1166,14 @@ def send_to_stdout(self, output):
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))
self.current_stdouterr_line, self.width))
self.display_lines.extend(
sum((paint.display_linize(line, self.width,
blank_line=True)
for line in lines[1:-1]), []))
self.current_stdouterr_line = lines[-1]
logger.debug('display_lines: %r', self.display_lines)

def send_to_stderr(self, error):
"""Send unicode strings or FmtStr to Repl stderr

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]), []))

def send_to_stdin(self, line):
if line.endswith('\n'):
self.display_lines.extend(
Expand Down Expand Up @@ -1653,7 +1636,7 @@ def reevaluate(self, insert_into_history=False):

if not self.weak_rewind:
self.interp = self.interp.__class__()
self.interp.write = self.send_to_stderr
self.interp.write = self.send_to_stdouterr
self.coderunner.interp = self.interp
self.initialize_interp()

Expand Down