def _replace_lines_from_to(old_lines, new_lines, start_pos, end_pos):
print('replace lines from line', start_pos, 'to line', end_pos)
old_indent = get_indent(old_lines[start_pos])
new_indent = get_indent(new_lines[0])
if new_indent:
missing_indent = old_indent[:-len(new_indent)]
else:
missing_indent = old_indent
indented_new_lines = [missing_indent + l for l in new_lines]
return '\n'.join(old_lines[:start_pos] + indented_new_lines +
old_lines[end_pos + 1:])
def _replace_lines_from_to(old_lines, new_lines, start_pos, end_pos):
print('replace lines from line', start_pos, 'to line', end_pos)
old_indent = get_indent(old_lines[start_pos])
new_indent = get_indent(new_lines[0])
if new_indent:
missing_indent = old_indent[:-len(new_indent)]
else:
missing_indent = old_indent
indented_new_lines = [missing_indent + l for l in new_lines]
return '\n'.join(
old_lines[:start_pos] +
indented_new_lines +
old_lines[end_pos + 1:]
)
def _replace_single_line(old_lines, new_lines):
print('replace single line')
new_line = new_lines[0]
line_finder = lambda l: number_of_identical_chars(l, new_line)
likely_line = sorted(old_lines, key=line_finder)[-1]
new_line = get_indent(likely_line) + new_line
new_content = '\n'.join(old_lines).replace(likely_line, new_line)
return new_content
def _replace_single_line(old_lines, new_lines):
print('replace single line')
new_line = new_lines[0]
line_finder = lambda l: number_of_identical_chars(l, new_line)
likely_line = sorted(old_lines, key=line_finder)[-1]
new_line = get_indent(likely_line) + new_line
new_content = '\n'.join(old_lines).replace(likely_line, new_line)
return new_content
def _replace_lines_from(old_lines, new_lines, start_pos):
print('replace lines from line', start_pos)
start_line_in_old = old_lines[start_pos]
indent = get_indent(start_line_in_old)
for ix, new_line in enumerate(new_lines):
if len(old_lines) > start_pos + ix:
old_lines[start_pos + ix] = indent + new_line
else:
old_lines.append(indent + new_line)
return '\n'.join(old_lines)
def _replace_lines_from(old_lines, new_lines, start_pos):
print('replace lines from line', start_pos)
start_line_in_old = old_lines[start_pos]
indent = get_indent(start_line_in_old)
for ix, new_line in enumerate(new_lines):
if len(old_lines) > start_pos + ix:
old_lines[start_pos + ix] = indent + new_line
else:
old_lines.append(indent + new_line)
return '\n'.join(old_lines)
def _write_to_file(path, new_contents):
source = Source.from_path(path)
# strip callouts
new_contents = re.sub(r' +#$', '', new_contents, flags=re.MULTILINE)
new_contents = re.sub(r' +//$', '', new_contents, flags=re.MULTILINE)
if not os.path.exists(path):
dir = os.path.dirname(path)
if not os.path.exists(dir):
os.makedirs(dir)
else:
old_lines = source.lines
new_lines = new_contents.strip('\n').split('\n')
if "[..." not in new_contents:
new_contents = _replace_lines_in(old_lines, new_lines)
else:
if new_contents.count("[...") == 1:
split_line = [l for l in new_lines if "[..." in l][0]
split_line_pos = new_lines.index(split_line)
if split_line_pos == 0:
new_contents = _replace_lines_in(old_lines, new_lines[1:])
elif split_line == new_lines[-1]:
new_contents = _replace_lines_in(old_lines, new_lines[:-1])
elif split_line_pos == 1:
if 'import' in new_lines[0]:
new_contents = add_import_and_new_lines(
new_lines, old_lines)
elif 'class' in new_lines[0]:
new_contents = add_to_class(new_lines, old_lines)
else:
lines_before = new_lines[:split_line_pos]
last_line_before = lines_before[-1]
lines_after = new_lines[split_line_pos + 1:]
last_old_line = [
l for l in old_lines
if l.strip() == last_line_before.strip()
][0]
last_old_line_pos = old_lines.index(last_old_line)
old_lines_after = old_lines[last_old_line_pos + 1:]
# special-case: stray browser.quit in chap. 2
if 'rest of comments' in split_line:
assert 'browser.quit()' in [
l.strip() for l in old_lines_after
]
assert old_lines_after[-2] == 'browser.quit()'
old_lines_after = old_lines_after[:-2]
new_contents = '\n'.join(
lines_before +
[get_indent(split_line) + l
for l in old_lines_after] + lines_after)
elif new_contents.strip().startswith(
"[...]") and new_contents.endswith("[...]"):
new_contents = _replace_lines_in(old_lines, new_lines[1:-1])
else:
raise Exception("I don't know how to deal with this")
# strip trailing whitespace
new_contents = re.sub(r'^ +$', '', new_contents, flags=re.MULTILINE)
source.update(new_contents)
source.write()
def _write_to_file(path, new_contents):
source = Source.from_path(path)
# strip callouts
new_contents = re.sub(r' +#$', '', new_contents, flags=re.MULTILINE)
new_contents = re.sub(r' +//$', '', new_contents, flags=re.MULTILINE)
if not os.path.exists(path):
dir = os.path.dirname(path)
if not os.path.exists(dir):
os.makedirs(dir)
else:
old_lines = source.lines
new_lines = new_contents.strip('\n').split('\n')
if "[..." not in new_contents:
new_contents = _replace_lines_in(old_lines, new_lines)
else:
if new_contents.count("[...") == 1:
split_line = [l for l in new_lines if "[..." in l][0]
split_line_pos = new_lines.index(split_line)
if split_line_pos == 0:
new_contents = _replace_lines_in(old_lines, new_lines[1:])
elif split_line == new_lines[-1]:
new_contents = _replace_lines_in(old_lines, new_lines[:-1])
elif split_line_pos == 1:
if 'import' in new_lines[0]:
new_contents = add_import_and_new_lines(new_lines, old_lines)
elif 'class' in new_lines[0]:
new_contents = add_to_class(new_lines, old_lines)
else:
lines_before = new_lines[:split_line_pos]
last_line_before = lines_before[-1]
lines_after = new_lines[split_line_pos + 1:]
last_old_line = [
l for l in old_lines if l.strip() == last_line_before.strip()
][0]
last_old_line_pos = old_lines.index(last_old_line)
old_lines_after = old_lines[last_old_line_pos + 1:]
# special-case: stray browser.quit in chap. 2
if 'rest of comments' in split_line:
assert 'browser.quit()' in [l.strip() for l in old_lines_after]
assert old_lines_after[-2] == 'browser.quit()'
old_lines_after = old_lines_after[:-2]
new_contents = '\n'.join(
lines_before +
[get_indent(split_line) + l for l in old_lines_after] +
lines_after
)
elif new_contents.strip().startswith("[...]") and new_contents.endswith("[...]"):
new_contents = _replace_lines_in(old_lines, new_lines[1:-1])
else:
raise Exception("I don't know how to deal with this")
# strip trailing whitespace
new_contents = re.sub(r'^ +$', '', new_contents, flags=re.MULTILINE)
source.update(new_contents)
source.write()
