def write_multiline_key(key, value, prefix_=" "):
lines = value.replace("\n", "\\\n").split("\n")
tty_color(stream, _diff_color_mapping.get(prefix_))
stream.write("{0}{1} = {2}\n".format(prefix_, key, lines.pop(0)))
for line in lines:
stream.write("{0}{1}\n".format(prefix_, line))
tty_color(stream, ANSI_RESET)
def header(sign, filename):
try:
mtime = os.stat(filename).st_mtime
ts = datetime.datetime.fromtimestamp(mtime)
except OSError:
ts = "1970-01-01 00:00:00"
stream.write("{0} {1:50} {2}\n".format(sign * 3, filename, ts))
tty_color(stream, ANSI_RESET)
def show_value(value, stanza_, key, prefix_=""):
tty_color(stream, _diff_color_mapping.get(prefix_))
if isinstance(value, dict):
if stanza_ is not GLOBAL_STANZA:
stream.write("{0}[{1}]\n".format(prefix_, stanza_))
for x, y in sorted(six.iteritems(value)):
write_key(x, y, prefix_)
stream.write("\n")
else:
write_key(key, value, prefix_)
tty_color(stream, ANSI_RESET)
def show_text_diff(stream, a, b):
_show_diff_header(stream, (a, b), "--text")
differ = difflib.Differ()
lines_a = open(a, "r", encoding=default_encoding).readlines()
lines_b = open(b, "r", encoding=default_encoding).readlines()
for d in differ.compare(lines_a, lines_b):
# Someday add "?" highlighting. Trick is this should change color mid-line on the
# previous (one or two) lines. (Google and see if somebody else solved this one already)
# https://stackoverflow.com/questions/774316/python-difflib-highlighting-differences-inline
tty_color(stream, _diff_color_mapping.get(d[0], 0))
stream.write(d)
tty_color(stream, ANSI_RESET)
def _show_diff_header(stream, files, diff_line=None):
def header(sign, filename):
try:
mtime = os.stat(filename).st_mtime
ts = datetime.datetime.fromtimestamp(mtime)
except OSError:
ts = "1970-01-01 00:00:00"
stream.write("{0} {1:50} {2}\n".format(sign * 3, filename, ts))
tty_color(stream, ANSI_RESET)
tty_color(stream, ANSI_YELLOW, ANSI_BOLD)
if diff_line:
stream.write("diff {} {} {}\n".format(diff_line, files[0], files[1]))
tty_color(stream, ANSI_RESET)
header("-", files[0])
header("+", files[1])
def show_multiline_diff(value_a, value_b, key):
def f(v):
r = "{0} = {1}".format(key, v)
r = r.replace("\n", "\\\n")
return r.splitlines()
a = f(value_a)
b = f(value_b)
differ = difflib.Differ()
for d in differ.compare(a, b):
# Someday add "?" highlighting. Trick is this should change color mid-line on the
# previous (one or two) lines. (Google and see if somebody else solved this one already)
# https://stackoverflow.com/questions/774316/python-difflib-highlighting-differences-inline
tty_color(stream, _diff_color_mapping.get(d[0], 0))
# Differences in how difflib returns bytes/unicode?
if not isinstance(d, six.text_type):
d = d.decode(default_encoding)
stream.write(d)
tty_color(stream, ANSI_RESET)
stream.write("\n")
