def do_lineprefix(s, prefix):
"""Return a copy of the string with each line prepended by the given string.
:param prefix: String to prepend each line with
.. versionadded:: 2.11
Add block auto-indent feature
"""
newline = u'\n'
if isinstance(s, Markup):
prefix = Markup(prefix)
newline = Markup(newline)
lines = s.splitlines()
rv = newline.join(prefix + line if line else line for line in lines)
return rv
def do_indent(
s, width=4, first=False, blank=False, indentfirst=None
):
"""Return a copy of the string with each line indented by 4 spaces. The
first line and blank lines are not indented by default.
:param width: Number of spaces to indent by.
:param first: Don't skip indenting the first line.
:param blank: Don't skip indenting empty lines.
.. versionchanged:: 2.10
Blank lines are not indented by default.
Rename the ``indentfirst`` argument to ``first``.
"""
if indentfirst is not None:
warnings.warning(DeprecationWarning(
'The "indentfirst" argument is renamed to "first".'
), stacklevel=2)
first = indentfirst
indention = u' ' * width
newline = u'\n'
if isinstance(s, Markup):
indention = Markup(indention)
newline = Markup(newline)
s += newline # this quirk is necessary for splitlines method
if blank:
rv = (newline + indention).join(s.splitlines())
else:
lines = s.splitlines()
rv = lines.pop(0)
if lines:
rv += newline + newline.join(
indention + line if line else line for line in lines
)
if first:
rv = indention + rv
return rv