def parse_invocation(self, invocation, controller_tag):
"""
Given an invocation string, determine which part is the path, the program,
and the args.
"""
if invocation.endswith('/'):
invocation = invocation[:-1]
if not invocation.startswith('/'):
invocation = '/' + invocation
if invocation == '':
invocation = '/'
all_programs = self.get_urls(controllers=[controller_tag])
matching_paths = set()
for program_path in sorted(all_programs):
if invocation.startswith(program_path):
matching_paths.add(program_path)
longest = ""
for path in matching_paths:
longest = path if len(path) > len(longest) else longest
matching_path = longest
program = self.get_program(matching_path, controller=controller_tag)
if not matching_path:
raise ProgramNotFound("Can't find %s" % invocation)
program_name = matching_path.split('/')[-1]
path = "/".join(matching_path.split('/')[:-1]) + '/'
args_fragment = invocation[len(matching_path):]
superformat = None
if args_fragment.startswith('.'):
# args_fragment will be something like ".html/arg1/arg2" or just ".html"
superformat = args_fragment.split('/')[0][1:]
args = args_fragment.split('/')[1:]
args_fragment = '/'.join(args)
else:
args = args_fragment.split("/")[1:] if args_fragment else []
args_fragment = args_fragment[1:] if (
args_fragment and args_fragment[0] == '/') else args_fragment
return {
'program': program,
'program_name': program_name,
'superformat': superformat,
'superformat_mime': super_accept_to_mimetype(superformat),
'args': args,
'raw_args': args_fragment,
'path': path,
'invocation': invocation,
}
def parse_invocation(self, invocation, controller_tag):
"""
Given an invocation string, determine which part is the path, the program,
and the args.
"""
if invocation.endswith('/'):
invocation = invocation[:-1]
if not invocation.startswith('/'):
invocation = '/' + invocation
if invocation == '':
invocation = '/'
all_programs = self.get_urls(controllers=[controller_tag])
matching_paths = set()
for program_path in sorted(all_programs):
if invocation.startswith(program_path):
matching_paths.add(program_path)
longest = ""
for path in matching_paths:
longest = path if len(path) > len(longest) else longest
matching_path = longest
program = self.get_program(matching_path, controller=controller_tag)
if not matching_path:
raise ProgramNotFound("Can't find %s" % invocation)
program_name = matching_path.split('/')[-1]
path = "/".join(matching_path.split('/')[:-1]) + '/'
args_fragment = invocation[len(matching_path):]
superformat = None
if args_fragment.startswith('.'):
# args_fragment will be something like ".html/arg1/arg2" or just ".html"
superformat = args_fragment.split('/')[0][1:]
args = args_fragment.split('/')[1:]
args_fragment = '/'.join(args)
else:
args = args_fragment.split("/")[1:] if args_fragment else []
args_fragment = args_fragment[1:] if (args_fragment and args_fragment[0] =='/') else args_fragment
return {
'program': program,
'program_name': program_name,
'superformat': superformat,
'superformat_mime': super_accept_to_mimetype(superformat),
'args': args,
'raw_args': args_fragment,
'path': path,
'invocation': invocation,
}
def __init__(self, persist=None, **kwargs):
self.persist = persist
self.render_map = {}
class_defined_renderers = [x for x in dir(self) if not x.startswith('__')]
self._register_renderers(class_defined_renderers)
for format, function in kwargs.items():
## key word arguments can be passed into the constructor to
## override render methods from within the manifest.
mime = super_accept_to_mimetype(format)
setattr(function, 'mimetypes', [mime])
setattr(self, format, function)
# kwarg renderers kill any render methods that are defined by the class
self._register_renderers(kwargs.keys())
def __init__(self, persist=None, **kwargs):
self.persist = persist
self.render_map = {} # renderers by mimetype
self.reject_map = {} # renderers by name (no corresponding mimetype)
class_defined_renderers = [x for x in dir(self) if not x.startswith('__')]
self._register_renderers(class_defined_renderers)
for format, function in kwargs.items():
## key word arguments can be passed into the constructor to
## override render methods from within the manifest.
## set 'mimetypes' as if it were using the @renders decorator
mime = super_accept_to_mimetype(format)
setattr(function, 'mimetypes', [mime or format])
setattr(self, format, function)
# kwarg renderers kill any render methods that are defined by the class
self._register_renderers(kwargs.keys())
def _parse(self, raw_program_name, args, controller_tag):
"""
Recursive function to transversing nested manifests.
raw_program_name == program with superformat intact
"""
program_name, superformat = self.extract_superformat(raw_program_name)
try:
program = self.get_program(program_name, controller_tag)
except KeyError:
# program name is not in keys, drop down to root...
if '' in self.manifest:
result = self.get_program('', controller_tag)
if type(result) == ProgramManifest:
return result._parse(raw_program_name, args, controller_tag)
else:
return {
'program': result,
'name': '',
'superformat': superformat,
'superformat_mime': None,
'args': [program_name] + args,
}
else:
raise ProgramNotFound("Program '%s' Does Not Exist" % program_name)
else:
if type(program) == ProgramManifest:
if program_name == '':
return program._parse('', args, controller_tag)
if not args:
raise ProgramNotFound('No root program for namespace, and no program match')
return program._parse(args[0], args[1:], controller_tag)
else:
return {
'program': program,
'name': program_name,
'superformat': superformat,
'superformat_mime': super_accept_to_mimetype(superformat),
'args': args,
}
