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Feature/replace list comp with generator by zkneupper · Pull Request #26046 · python/cpython · GitHub

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Feature/replace list comp with generator #26046

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Feature/replace list comp with generator #26046

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e0a083c
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
23bf120
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
29fba8d
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
5968060
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
7930116
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
128783e
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
0408882
Use generator as argument to str.join() instead of list comprehension
May 11, 2021
44915e1
replace for loop with generator expression
May 11, 2021
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6 changes: 3 additions & 3 deletions Lib/_pydecimal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3391,7 +3391,7 @@ def logical_and(self, other, context=None):
(opa, opb) = self._fill_logical(context, self._int, other._int)

# make the operation, and clean starting zeroes
result = "".join([str(int(a)&int(b)) for a,b in zip(opa,opb)])
result = "".join(str(int(a)&int(b)) for a,b in zip(opa,opb))
return _dec_from_triple(0, result.lstrip('0') or '0', 0)

def logical_invert(self, context=None):
Expand All @@ -3415,7 +3415,7 @@ def logical_or(self, other, context=None):
(opa, opb) = self._fill_logical(context, self._int, other._int)

# make the operation, and clean starting zeroes
result = "".join([str(int(a)|int(b)) for a,b in zip(opa,opb)])
result = "".join(str(int(a)|int(b)) for a,b in zip(opa,opb))
return _dec_from_triple(0, result.lstrip('0') or '0', 0)

def logical_xor(self, other, context=None):
Expand All @@ -3432,7 +3432,7 @@ def logical_xor(self, other, context=None):
(opa, opb) = self._fill_logical(context, self._int, other._int)

# make the operation, and clean starting zeroes
result = "".join([str(int(a)^int(b)) for a,b in zip(opa,opb)])
result = "".join(str(int(a)^int(b)) for a,b in zip(opa,opb))
return _dec_from_triple(0, result.lstrip('0') or '0', 0)

def max_mag(self, other, context=None):
Expand Down
19 changes: 10 additions & 9 deletions Lib/argparse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -287,9 +287,9 @@ def format_help(self):
return help

def _join_parts(self, part_strings):
return ''.join([part
for part in part_strings
if part and part is not SUPPRESS])
return "".join(
part for part in part_strings if part and part is not SUPPRESS
)

def _format_usage(self, usage, actions, groups, prefix):
if prefix is None:
Expand Down Expand Up @@ -621,7 +621,7 @@ def _expand_help(self, action):
if hasattr(params[name], '__name__'):
params[name] = params[name].__name__
if params.get('choices') is not None:
choices_str = ', '.join([str(c) for c in params['choices']])
choices_str = ", ".join(str(c) for c in params['choices'])
params['choices'] = choices_str
return self._get_help_string(action) % params

Expand Down Expand Up @@ -1588,9 +1588,9 @@ def _handle_conflict_error(self, action, conflicting_actions):
message = ngettext('conflicting option string: %s',
'conflicting option strings: %s',
len(conflicting_actions))
conflict_string = ', '.join([option_string
for option_string, action
in conflicting_actions])
conflict_string = ", ".join(
option_string for option_string, action in conflicting_actions
)
raise ArgumentError(action, message % conflict_string)

def _handle_conflict_resolve(self, action, conflicting_actions):
Expand Down Expand Up @@ -2163,8 +2163,9 @@ def _match_arguments_partial(self, actions, arg_strings_pattern):
result = []
for i in range(len(actions), 0, -1):
actions_slice = actions[:i]
pattern = ''.join([self._get_nargs_pattern(action)
for action in actions_slice])
pattern = "".join(
self._get_nargs_pattern(action) for action in actions_slice
)
match = _re.match(pattern, arg_strings_pattern)
if match is not None:
result.extend([len(string) for string in match.groups()])
Expand Down
8 changes: 1 addition & 7 deletions Lib/ast.py
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Original file line number Diff line number Diff line change
Expand Up @@ -323,13 +323,7 @@ def _splitlines_no_ff(source):

def _pad_whitespace(source):
r"""Replace all chars except '\f\t' in a line with spaces."""
result = ''
for c in source:
if c in '\f\t':
result += c
else:
result += ' '
return result
return "".join(c if c in "\f\t" else " " for c in source)


def get_source_segment(source, node, *, padded=False):
Expand Down
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