def include(self, nameargs): # [% INCLUDE template foo = bar %]
file, args = unpack(nameargs, 2)
hash = args.pop(0)
file = self.filenames(file)
if hash:
file += ", Dict(%s)" % ", ".join(hash)
return "output.write(context.include(%s))" % file
def __init__(self, context, path, config=None):
"""Initialize a new File object.
Takes the pathname of the file as the argument following the
context and an optional dictionary of configuration parameters.
"""
if not isinstance(config, dict):
config = {}
if not path:
self.throw("no file specified")
if os.path.isabs(path):
root = ""
else:
root = config.get("root")
if root:
if root.endswith("/"):
root = root[:-1]
else:
root = ""
dir, name = os.path.split(path)
name, ext = util.unpack(re.split(r"(\.\w+)$", name), 2)
if ext is None:
ext = ""
if dir.endswith("/"):
dir = dir[:-1]
if dir == ".":
dir = ""
name = name + ext
if ext.startswith("."):
ext = ext[1:]
fields = splitpath(dir)
if fields and not fields[0]:
fields.pop(0)
home = "/".join(("..", ) * len(fields))
abspath = os.path.join(root, path)
self.path = path
self.name = name
self.root = root
self.home = home
self.dir = dir
self.ext = ext
self.abs = abspath
self.user = ""
self.group = ""
self.isdir = ""
self.stat = config.get("stat") or not config.get("nostat")
if self.stat:
try:
stat = os.stat(abspath)
except OSError as e:
self.throw("%s: %s" % (abspath, e))
for key in STAT_KEYS:
setattr(self, key, getattr(stat, "st_%s" % key, None))
if not config.get("noid"):
self.user = pwd and getpwuid(self.uid)
self.group = grp and getgrgid(self.gid)
self.isdir = os.path.isdir(abspath)
else:
for key in STAT_KEYS:
setattr(self, key, "")
def process(self, nameargs): # [% PROCESS template foo = bar %]
file, args = unpack(nameargs, 2)
hash = args.pop(0)
file = self.filenames(file)
if hash:
file += ", Dict(%s)" % ", ".join(hash)
return "output.write(context.process(%s))" % file
def process(self, nameargs): # [% PROCESS template foo = bar %]
file, args = unpack(nameargs, 2)
hash = args.pop(0)
file = self.filenames(file)
if hash:
file += ", Dict(%s)" % ", ".join(hash)
return "output.write(context.process(%s))" % file
def include(self, nameargs): # [% INCLUDE template foo = bar %]
file, args = unpack(nameargs, 2)
hash = args.pop(0)
file = self.filenames(file)
if hash:
file += ", Dict(%s)" % ", ".join(hash)
return "output.write(context.include(%s))" % file
def use(self, lnameargs): # [% USE alias = plugin(args) %]
file, args, alias = unpack(lnameargs, 3)
file = file[0]
alias = alias or file
args = self.args(args)
if args:
file = "%s, %s" % (file, args)
return "stash.set(%s, context.plugin(%s))" % (alias, file)
def use(self, lnameargs): # [% USE alias = plugin(args) %]
file, args, alias = unpack(lnameargs, 3)
file = file[0]
alias = alias or file
args = self.args(args)
if args:
file = "%s, %s" % (file, args)
return "stash.set(%s, context.plugin(%s))" % (alias, file)
def __init__(self, context, path, config=None):
"""Initialize a new File object.
Takes the pathname of the file as the argument following the
context and an optional dictionary of configuration parameters.
"""
if not isinstance(config, dict):
config = {}
if not path:
self.throw("no file specified")
if os.path.isabs(path):
root = ""
else:
root = config.get("root")
if root:
if root.endswith("/"):
root = root[:-1]
else:
root = ""
dir, name = os.path.split(path)
name, ext = util.unpack(re.split(r"(\.\w+)$", name), 2)
if ext is None:
ext = ""
if dir.endswith("/"):
dir = dir[:-1]
if dir == ".":
dir = ""
name = name + ext
if ext.startswith("."):
ext = ext[1:]
fields = splitpath(dir)
if fields and not fields[0]:
fields.pop(0)
home = "/".join(("..",) * len(fields))
abspath = os.path.join(root, path)
self.path = path
self.name = name
self.root = root
self.home = home
self.dir = dir
self.ext = ext
self.abs = abspath
self.user = ""
self.group = ""
self.isdir = ""
self.stat = config.get("stat") or not config.get("nostat")
if self.stat:
try:
stat = os.stat(abspath)
except OSError, e:
self.throw("%s: %s" % (abspath, e))
for key in STAT_KEYS:
setattr(self, key, getattr(stat, "st_%s" % key, None))
if not config.get("noid"):
self.user = pwd and getpwuid(self.uid)
self.group = grp and getgrgid(self.gid)
self.isdir = os.path.isdir(abspath)
def wrapper(self, nameargs, block): # [% WRAPPER template foo = bar %]
file, args = unpack(nameargs, 2)
hash = args.pop(0)
if len(file) > 1:
return self.multi_wrapper(file, hash, block)
file = file[0]
hash.append("('content', output.get())")
file += ", Dict(%s)" % ", ".join(hash)
return Code.format("def block():", Code.indent, "output = Buffer()",
block, "return context.include(%s)" % file,
Code.unindent, "output.write(block())")
def filter(self, lnameargs, block):
name, args, alias = unpack(lnameargs, 3)
name = name[0]
args = self.args(args)
if alias:
if args:
args = "%s, %s" % (args, alias)
else:
args = ", None, %s" % alias
if args:
name += ", %s" % args
return Code.format("def block():", Code.indent, "output = Buffer()",
"filter = context.filter(%s)" % name, block,
"return filter(output.get())", Code.unindent,
"output.write(block())")
def view(self, nameargs, block, defblocks): # [% VIEW name args %]
name, args = unpack(nameargs, 2)
hash = args.pop(0)
name = name.pop(0)
if defblocks:
hash.append("('blocks', dict((%s,)))" %
", ".join("(%r, Document.evaluate(%r, 'block'))" % pair
for pair in defblocks.items()))
return Code.format("def block():", Code.indent, "output = Buffer()",
"oldv = stash.get('view')",
"view = context.view(Dict(%s))" % ", ".join(hash),
"stash.set(%s, view)" % (name, ),
"stash.set('view', view)", block,
"stash.set('view', oldv)", "view.seal()",
Code.unindent, "block()")
def wrapper(self, nameargs, block): # [% WRAPPER template foo = bar %]
file, args = unpack(nameargs, 2)
hash = args.pop(0)
if len(file) > 1:
return self.multi_wrapper(file, hash, block)
file = file[0]
hash.append("('content', output.get())")
file += ", Dict(%s)" % ", ".join(hash)
return Code.format(
"def block():",
Code.indent,
"output = Buffer()",
block,
"return context.include(%s)" % file,
Code.unindent,
"output.write(block())")
def view(self, nameargs, block, defblocks): # [% VIEW name args %]
name, args = unpack(nameargs, 2)
hash = args.pop(0)
name = name.pop(0)
if defblocks:
hash.append("('blocks', dict((%s,)))" % ", ".join("(%r, Document.evaluate(%r, 'block'))" % pair for pair in defblocks.items()))
return Code.format(
"def block():",
Code.indent,
"output = Buffer()",
"oldv = stash.get('view')",
"view = context.view(Dict(%s))" % ", ".join(hash),
"stash.set(%s, view)" % (name,),
"stash.set('view', view)",
block,
"stash.set('view', oldv)",
"view.seal()",
Code.unindent,
"block()")
def filter(self, lnameargs, block):
name, args, alias = unpack(lnameargs, 3)
name = name[0]
args = self.args(args)
if alias:
if args:
args = "%s, %s" % (args, alias)
else:
args = ", None, %s" % alias
if args:
name += ", %s" % args
return Code.format(
"def block():",
Code.indent,
"output = Buffer()",
"filter = context.filter(%s)" % name,
block,
"return filter(output.get())",
Code.unindent,
"output.write(block())")
def _parse(self, tokens, info):
"""Parses the list of input tokens passed by reference and returns
an object which contains the compiled representation of the
template.
This is the main parser DFA loop. See embedded comments for
further details.
"""
self.grammar.install_factory(self.factory)
stack = [[0, None]] # DFA stack
coderet = None
token = None
in_string = False
in_python = False
status = CONTINUE
lhs = None
text = None
self.line = 0
self.file = info and info.name
self.inpython = 0
value = None
while True:
stateno = stack[-1][0]
state = self.states[stateno]
# see if any lookaheads exist for the current state
if "ACTIONS" in state:
# get next token and expand any directives (ie. token is a
# list) onto the front of the token list
while token is None and tokens:
token = tokens.pop(0)
if isinstance(token, (list, tuple)):
text, self.line, token = util.unpack(token, 3)
if isinstance(token, (list, tuple)):
tokens[:0] = token + [";", ";"]
token = None # force redo
elif token == "ITEXT":
if in_python:
# don't perform interpolation in PYTHON blocks
token = "TEXT"
value = text
else:
tokens[:0] = self.interpolate_text(
text, self.line)
token = None # force redo
else:
# toggle string flag to indicate if we're crossing
# a string boundary
if token == '"':
in_string = not in_string
value = tokens and tokens.pop(0) or None
if token is None:
token = ""
# get the next state for the current lookahead token
lookup = state["ACTIONS"].get(token)
if lookup:
action = lookup
else:
action = state.get("DEFAULT")
else:
# no lookahead assertions
action = state.get("DEFAULT")
# ERROR: no ACTION
if action is None:
break
# shift (positive ACTION)
if action > 0:
stack.append([action, value])
token = value = None
else:
# reduce (negative ACTION)
lhs, len_, code = self.rules[-action]
# no action implies ACCEPTance
if not action:
status = ACCEPT
# use dummy sub if code ref doesn't exist
if not code:
code = lambda *arg: len(arg) >= 2 and arg[1] or None
if len_ > 0:
codevars = [x[1] for x in stack[-len_:]]
else:
codevars = []
try:
coderet = code(self, *codevars)
except TemplateException, e:
self._parse_error(str(e), info.name)
# reduce stack by len_
if len_ > 0:
stack[-len_:] = []
# ACCEPT
if status == ACCEPT:
return coderet
elif status == ABORT:
return None
elif status == ERROR:
break
stack.append([
self.states[stack[-1][0]].get("GOTOS", {}).get(lhs),
coderet
])
def _parse(self, tokens, info):
"""Parses the list of input tokens passed by reference and returns
an object which contains the compiled representation of the
template.
This is the main parser DFA loop. See embedded comments for
further details.
"""
self.grammar.install_factory(self.factory)
stack = [[0, None]] # DFA stack
coderet = None
token = None
in_string = False
in_python = False
status = CONTINUE
lhs = None
text = None
self.line = 0
self.file = info and info.name
self.inpython = 0
value = None
while True:
stateno = stack[-1][0]
state = self.states[stateno]
# see if any lookaheads exist for the current state
if "ACTIONS" in state:
# get next token and expand any directives (ie. token is a
# list) onto the front of the token list
while token is None and tokens:
token = tokens.pop(0)
if isinstance(token, (list, tuple)):
text, self.line, token = util.unpack(token, 3)
if isinstance(token, (list, tuple)):
tokens[:0] = token + [";", ";"]
token = None # force redo
elif token == "ITEXT":
if in_python:
# don't perform interpolation in PYTHON blocks
token = "TEXT"
value = text
else:
tokens[:0] = self.interpolate_text(text, self.line)
token = None # force redo
else:
# toggle string flag to indicate if we're crossing
# a string boundary
if token == '"':
in_string = not in_string
value = tokens and tokens.pop(0) or None
if token is None:
token = ""
# get the next state for the current lookahead token
lookup = state["ACTIONS"].get(token)
if lookup:
action = lookup
else:
action = state.get("DEFAULT")
else:
# no lookahead assertions
action = state.get("DEFAULT")
# ERROR: no ACTION
if action is None:
break
# shift (positive ACTION)
if action > 0:
stack.append([action, value])
token = value = None
else:
# reduce (negative ACTION)
lhs, len_, code = self.rules[-action]
# no action implies ACCEPTance
if not action:
status = ACCEPT
# use dummy sub if code ref doesn't exist
if not code:
code = lambda *arg: len(arg) >= 2 and arg[1] or None
if len_ > 0:
codevars = [x[1] for x in stack[-len_:]]
else:
codevars = []
try:
coderet = code(self, *codevars)
except TemplateException, e:
self._parse_error(str(e), info.name)
# reduce stack by len_
if len_ > 0:
stack[-len_:] = []
# ACCEPT
if status == ACCEPT:
return coderet
elif status == ABORT:
return None
elif status == ERROR:
break
stack.append([self.states[stack[-1][0]].get("GOTOS", {}).get(lhs),
coderet])
