def remake_connection(self, *args):
if self.debug:
return ' '.join(args)
else:
link_from = args[0]
conn_type = args[1]
link_to = args[2]
return '%s %s %s' % (fut.strip_prefix(link_from, k_label_sep),
conn_type,
fut.strip_prefix(link_to, k_label_sep))
def remake_connection(self, *args):
# Expecting three args, e.g. 'filt_from', '>>>', 'filt_to'
if self.debug:
return ' '.join(args)
else:
link_from = args[0]
conn_type = args[1]
link_to = args[2]
return '%s %s %s' % (fut.strip_prefix(link_from,
k_label_sep), conn_type,
fut.strip_prefix(link_to, k_label_sep))
def remake_connection(self, *args):
# Expecting three args, e.g. 'filt_from', '>>>', 'filt_to'
if self.debug:
return ' '.join(args)
else:
link_from = args[0]
conn_type = args[1]
link_to = args[2]
return '%s %s %s' % (fut.strip_prefix(link_from, k_label_sep),
conn_type,
fut.strip_prefix(link_to, k_label_sep))
def pipeline_for_print(self, prefixed_route):
result = []
indent = 0
base_indent = 4
for x in prefixed_route.split():
txt = x
while '(' in txt:
indent += base_indent
txt = txt.replace('(', '$$OPEN$$', 1)
new_indent = indent
while ')' in txt:
new_indent -= base_indent
txt = txt.replace(')', '$$CLOSE$$', 1)
txt = txt.replace('$$OPEN$$', '(')
txt = txt.replace('$$CLOSE$$', ')')
if not txt.endswith(')'):
txt += ' >>>'
if indent > 0 and txt.startswith('('):
extra_in = base_indent - 1
else:
extra_in = base_indent
result.append(' ' * (indent + extra_in) + \
fut.strip_prefix(txt, k_label_sep))
indent = new_indent
# Route can't end in a branch, so last line has spurious trailing '>>>'
result[-1] = result[-1][:-4]
return result
def pipeline_for_print(self, prefixed_route):
result = []
indent = 0
base_indent = 4
for x in prefixed_route.split():
txt = x
while '(' in txt:
indent += base_indent
txt = txt.replace('(', '$$OPEN$$', 1)
new_indent = indent
while ')' in txt:
new_indent -= base_indent
txt = txt.replace(')', '$$CLOSE$$', 1)
txt = txt.replace('$$OPEN$$', '(')
txt = txt.replace('$$CLOSE$$', ')')
if not txt.endswith(')'):
txt += ' >>>'
if indent > 0 and txt.startswith('('):
extra_in = base_indent - 1
else:
extra_in = base_indent
result.append(' ' * (indent + extra_in) + \
fut.strip_prefix(txt, k_label_sep))
indent = new_indent
# Route can't end in a branch, so last line has spurious trailing '>>>'
result[-1] = result[-1][:-4]
return result
def parse_route(self, route_in, debug=False, tracking=False):
self.connections = []
self.filter_dict = {}
self.token_counter = 0
## print '**16200** self = %s' % self
## pprint.pprint(self.__dict__)
## print '**16210** in parse_route, self.token_counter = %s' % (
## self.token_counter)
self.filter_counter = 0
self.branch_counter = 0
route2 = route_in.strip()
if not route2: # No input to parse
return None, None, None
# Make input into a branch, to simplify start/end handling. Therefore
# it must not already start or end with parentheses. The newline is
# needed before the final parenthesis to allow a trailing comment,
# which would otherwise hide it, giving an "Unexpected end of file"
# syntax error.
route3 = self.parser.parse('(%s\n)' % route2,
debug=debug, tracking=tracking)
if route3:
route4 = route3.split('None ')[1] # Remove leading None
if not route4[0] == '(' or not route4[-1] == ')':
raise SyntaxError, 'Bad parentheses in "%s"' % route4
route_with_prefixes = route4[1:-1] # Remove outer parentheses
route5 = fut.strip_prefixes(route_with_prefixes,
prefix_regex=r'\d\d\d\d' + k_label_sep)
self.connections.sort()
connections2_gen = (link.split() for link in self.connections)
connections3 = [self.remake_connection(*link2)
for link2 in connections2_gen]
filters_gen = (fut.strip_prefix(link.split()[0], k_label_sep)
for link in self.connections)
# Maintain the order
##filters = [filt for filt in set(filters_gen)]
filter_names = []
for filt in filters_gen:
if filt not in filter_names:
filter_names.append(filt)
##print '**10560** route5 = \n %s\n-----------' % (
##route5.replace(' ', '\n '))
##if connections3:
##self.print_connections(connections3)
return route5, connections3, filter_names
else:
return None, None, None
def test_strip_prefix(self):
self.assertEquals(fut.strip_prefix('001~xx', '~'), 'xx')
self.assertEquals(fut.strip_prefix('001~', '~'), '')
self.assertEquals(fut.strip_prefix('~xx', '~'), 'xx')
self.assertEquals(fut.strip_prefix('xx', '~'), 'xx')
self.assertEquals(fut.strip_prefix('001-xx', '-'), 'xx')
def test_strip_prefix(self):
self.assertEquals(fut.strip_prefix('001~xx', '~'), 'xx')
self.assertEquals(fut.strip_prefix('001~', '~'), '')
self.assertEquals(fut.strip_prefix('~xx', '~'), 'xx')
self.assertEquals(fut.strip_prefix('xx', '~'), 'xx')
self.assertEquals(fut.strip_prefix('001-xx', '-'), 'xx')
