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# -*- coding: utf-8 -*-
# <Lettuce - Behaviour Driven Development for python>
# Copyright (C) <2010-2012> Gabriel Falcão <>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <>.
import re
import time
import unicodedata
def escape_if_necessary(what):
what = unicode(what)
if len(what) is 1:
what = u"[%s]" % what
return what
def get_stripped_lines(string, ignore_lines_starting_with=''):
string = unicode(string)
lines = [unicode(l.strip()) for l in string.splitlines()]
if ignore_lines_starting_with:
filter_func = lambda x: x and not x.startswith(
filter_func = lambda x: x
lines = filter(filter_func, lines)
return lines
def split_wisely(string, sep, strip=False):
string = unicode(string)
if strip:
string = string.strip()
string = string.strip("\n")
sep = unicode(sep)
regex = re.compile(escape_if_necessary(sep), re.UNICODE | re.M | re.I)
items = filter(lambda x: x, regex.split(string))
if strip:
items = [i.strip() for i in items]
items = [i.strip("\n") for i in items]
return [unicode(i) for i in items]
def wise_startswith(string, seed):
string = unicode(string).strip()
seed = unicode(seed)
regex = u"^%s" % re.escape(seed)
return bool(, string, re.I))
def remove_it(string, what):
return unicode(re.sub(unicode(what), "", unicode(string)).strip())
def column_width(string):
l = 0
for c in unicode(string):
if unicodedata.east_asian_width(c) in "WF":
l += 2
l += 1
return l
def rfill(string, times, char=u" ", append=u""):
string = unicode(string)
missing = times - column_width(string)
for x in range(missing):
string += char
return unicode(string) + unicode(append)
def getlen(string):
return column_width(unicode(string)) + 1
def dicts_to_string(dicts, order):
escape = "#{%s}" % unicode(time.time())
def enline(line):
return unicode(line).replace("|", escape)
def deline(line):
return line.replace(escape, '\\|')
keys_and_sizes = dict([(k, getlen(k)) for k in dicts[0].keys()])
for key in keys_and_sizes:
for data in dicts:
current_size = keys_and_sizes[key]
value = unicode(data.get(key, ''))
size = getlen(value)
if size > current_size:
keys_and_sizes[key] = size
names = []
for key in order:
size = keys_and_sizes[key]
name = u" %s" % rfill(key, size)
table = [u"|%s|" % "|".join(names)]
for data in dicts:
names = []
for key in order:
value = data.get(key, '')
size = keys_and_sizes[key]
names.append(enline(u" %s" % rfill(value, size)))
table.append(u"|%s|" % "|".join(names))
return deline(u"\n".join(table) + u"\n")
def parse_hashes(lines):
escape = "#{%s}" % unicode(time.time())
def enline(line):
return unicode(line.replace("\\|", escape)).strip()
def deline(line):
return line.replace(escape, '|')
def discard_comments(lines):
return [line for line in lines if not line.startswith('#')]
lines = discard_comments(lines)
lines = map(enline, lines)
keys = []
hashes = []
if lines:
first_line = lines.pop(0)
keys = split_wisely(first_line, u"|", True)
keys = map(deline, keys)
for line in lines:
values = split_wisely(line, u"|", True)
values = map(deline, values)
hashes.append(dict(zip(keys, values)))
return keys, hashes
def parse_multiline(lines):
multilines = []
in_multiline = False
for line in lines:
if line == '"""':
in_multiline = not in_multiline
elif in_multiline:
if line.startswith('"'):
line = line[1:]
if line.endswith('"'):
line = line[:-1]
return u'\n'.join(multilines)
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