Files
wenovus aa0cf39f37 Export Generated BGP Configuration Code
Move internal/pkg/config -> pkg/config/oc

Background: #2593
2023-09-30 09:53:37 +09:00

813 lines
26 KiB
Python

# Copyright (C) 2014,2015 Nippon Telegraph and Telephone Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import sys
from collections import namedtuple
from pyang import plugin
_COPYRIGHT_NOTICE = """
// DO NOT EDIT
// generated by pyang using OpenConfig https://github.com/openconfig/public
//
// Copyright (C) 2014-2019 Nippon Telegraph and Telephone Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by pyang. DO NOT EDIT.
"""
EQUAL_TYPE_LEAF = 0
EQUAL_TYPE_ARRAY = 1
EQUAL_TYPE_MAP = 2
EQUAL_TYPE_CONTAINER = 3
def pyang_plugin_init():
plugin.register_plugin(GolangPlugin())
class GolangPlugin(plugin.PyangPlugin):
def __init__(self, name=None):
super(GolangPlugin, self).__init__(name=name)
self.multiple_modules = True
def add_output_format(self, fmts):
fmts['golang'] = self
def emit(self, ctx, modules, fd):
ctx.golang_identity_map = {}
ctx.golang_typedef_map = {}
ctx.golang_struct_def = []
ctx.golang_struct_names = {}
ctx.emitted_type_names = {}
ctx.prefix_rel = {}
ctx.module_deps = []
for m in modules:
check_module_deps(ctx, m)
# visit yang statements
visit_modules(ctx)
# emit bgp_configs
emit_go(ctx, fd)
def visit_modules(ctx):
# visit typedef and identity
for mod in ctx.module_deps:
visit_typedef(ctx, mod)
visit_identity(ctx, mod)
# visit container
for mod in ctx.module_deps:
visit_children(ctx, mod, mod.i_children)
def emit_go(ctx, fd):
ctx.golang_struct_def.reverse()
done = set()
# emit
generate_header(fd)
generate_common_functions(fd)
for mod in ctx.module_deps:
if mod not in _module_excluded:
emit_typedef(ctx, mod, fd)
emit_identity(ctx, mod, fd)
for struct in ctx.golang_struct_def:
struct_name = struct.uniq_name
if struct_name in done:
continue
emit_class_def(ctx, struct, struct_name, struct.module_prefix, fd)
done.add(struct_name)
def check_module_deps(ctx, mod):
own_prefix = mod.i_prefix
for k, v in mod.i_prefixes.items():
mod = ctx.get_module(v[0])
if mod is None:
continue
if mod.i_prefix != own_prefix:
check_module_deps(ctx, mod)
ctx.prefix_rel[mod.i_prefix] = k
if (mod not in ctx.module_deps
and mod.i_modulename not in _module_excluded):
ctx.module_deps.append(mod)
def dig_leafref(type_obj):
reftype = type_obj.i_type_spec.i_target_node.search_one('type')
if is_leafref(reftype):
return dig_leafref(reftype)
else:
return reftype
def emit_class_def(ctx, stmt, struct_name, prefix, fd):
if len(stmt.i_children) == 1 and is_list(stmt.i_children[0]):
return
print('// struct for container %s:%s.' % (prefix, stmt.arg), file=fd)
emit_description(stmt, fd)
print('type %s struct {' % convert_to_golang(struct_name), file=fd)
equal_elems = []
for child in stmt.i_children:
if child.path in _path_exclude:
continue
container_or_list_name = child.uniq_name
val_name_go = convert_to_golang(child.arg)
child_prefix = get_orig_prefix(child.i_orig_module)
tag_name = child.uniq_name.lower()
equal_type = EQUAL_TYPE_LEAF
equal_data = None
print('// original -> %s:%s' % (child_prefix, container_or_list_name), file=fd)
# case leaf
if is_leaf(child):
type_obj = child.search_one('type')
type_name = type_obj.arg
# case identityref
if is_identityref(type_obj):
emit_type_name = convert_to_golang(type_obj.search_one('base').arg.split(':')[-1])
# case leafref
elif is_leafref(type_obj):
if type_obj.search_one('path').arg.startswith('../config'):
continue
t = dig_leafref(type_obj)
if is_translation_required(t):
print('// %s:%s\'s original type is %s.' % (child_prefix, container_or_list_name, t.arg), file=fd)
emit_type_name = translate_type(t.arg)
elif is_identityref(t):
emit_type_name = convert_to_golang(t.search_one('base').arg.split(':')[-1])
else:
emit_type_name = t.arg
# case embeded enumeration
elif is_enum(type_obj):
emit_type_name = val_name_go
# case translation required
elif is_translation_required(type_obj):
print('// %s:%s\'s original type is %s.' % (child_prefix, container_or_list_name, type_name), file=fd)
emit_type_name = translate_type(type_name)
# case other primitives
elif is_builtin_type(type_obj):
emit_type_name = type_name
# default
else:
base_module = type_obj.i_orig_module.i_prefix
t = lookup_typedef(ctx, base_module, type_name)
# print(t.golang_name, file=sys.stderr)
emit_type_name = t.golang_name
# case 'case'
if is_case(child):
continue
if is_choice(child) and is_enum_choice(child):
emit_type_name = val_name_go
# case leaflist
if is_leaflist(child):
type_obj = child.search_one('type')
type_name = type_obj.arg
val_name_go = val_name_go + 'List'
tag_name += '-list'
equal_type = EQUAL_TYPE_ARRAY
# case leafref
if is_leafref(type_obj):
t = dig_leafref(type_obj)
emit_type_name = '[]' + t.arg
# case identityref
elif is_identityref(type_obj):
emit_type_name = '[]' + convert_to_golang(type_obj.search_one('base').arg.split(':')[-1])
# case translation required
elif is_translation_required(type_obj):
print('// original type is list of %s' % type_obj.arg, file=fd)
emit_type_name = '[]' + translate_type(type_name)
# case other primitives
elif is_builtin_type(type_obj):
emit_type_name = '[]' + type_name
# default
else:
base_module = type_obj.i_orig_module.i_prefix
t = lookup_typedef(ctx, base_module, type_name)
emit_type_name = '[]' + t.golang_name
# case container
elif is_container(child) or (is_choice(child) and not is_enum_choice(child)):
key = child_prefix + ':' + container_or_list_name
t = ctx.golang_struct_names[key]
val_name_go = t.golang_name
if len(t.i_children) == 1 and is_list(t.i_children[0]):
c = t.i_children[0]
emit_type_name = '[]' + c.golang_name
equal_type = EQUAL_TYPE_MAP
equal_data = c.search_one('key').arg
leaf = c.search_one('leaf').search_one('type')
if leaf.arg == 'leafref' and leaf.search_one('path').arg.startswith('../config'):
equal_data = 'config.' + equal_data
else:
emit_type_name = t.golang_name
equal_type = EQUAL_TYPE_CONTAINER
# case list
elif is_list(child):
key = child_prefix + ':' + container_or_list_name
t = ctx.golang_struct_names[key]
val_name_go = val_name_go + 'List'
tag_name += '-list'
emit_type_name = '[]' + t.golang_name
equal_type = EQUAL_TYPE_MAP
equal_data = child.search_one('key').arg
if is_container(child):
name = emit_type_name
if name.startswith(convert_to_golang(struct_name)) and name.endswith("Config"):
tag_name = 'config'
val_name_go = 'Config'
elif name.startswith(convert_to_golang(struct_name)) and name.endswith("State"):
tag_name = 'state'
val_name_go = 'State'
emit_description(child, fd=fd)
print(' {0}\t{1} `mapstructure:"{2}" json:"{2},omitempty"`'.format(val_name_go, emit_type_name, tag_name), file=fd)
equal_elems.append((val_name_go, emit_type_name, equal_type, equal_data))
print('}', file=fd)
if not struct_name.endswith('state'):
print('func (lhs *{0}) Equal(rhs *{0}) bool {{'.format(convert_to_golang(struct_name)), file=fd)
print('if lhs == nil || rhs == nil {', file=fd)
print('return false', file=fd)
print('}', file=fd)
for val_name, type_name, typ, elem in equal_elems:
if val_name == 'State':
continue
if typ == EQUAL_TYPE_LEAF:
if type_name == '[]byte':
print('if bytes.Compare(lhs.{0}, rhs.{0}) != 0 {{'.format(val_name), file=fd)
else:
print('if lhs.{0} != rhs.{0} {{'.format(val_name), file=fd)
print('return false', file=fd)
print('}', file=fd)
elif typ == EQUAL_TYPE_CONTAINER:
print('if !lhs.{0}.Equal(&(rhs.{0})) {{'.format(val_name), file=fd)
print('return false', file=fd)
print('}', file=fd)
elif typ == EQUAL_TYPE_ARRAY:
print('if len(lhs.{0}) != len(rhs.{0}) {{'.format(val_name), file=fd)
print('return false', file=fd)
print('}', file=fd)
print('for idx, l := range lhs.{0} {{'.format(val_name), file=fd)
if type_name == '[][]byte':
print('if bytes.Compare(l, rhs.{0}[idx]) != 0 {{'.format(val_name), file=fd)
else:
print('if l != rhs.{0}[idx] {{'.format(val_name), file=fd)
print('return false', file=fd)
print('}', file=fd)
print('}', file=fd)
elif typ == EQUAL_TYPE_MAP:
print('if len(lhs.{0}) != len(rhs.{0}) {{'.format(val_name), file=fd)
print('return false', file=fd)
print('}', file=fd)
print('{', file=fd)
print('lmap := make(map[string]*{0})'.format(type_name[2:]), file=fd)
print('for i, l := range lhs.{0} {{'.format(val_name), file=fd)
print('lmap[mapkey(i, string({0}))] = &lhs.{1}[i]'.format(' + '.join('l.{0}'.format(convert_to_golang(v)) for v in elem.split(' ')), val_name), file=fd)
print('}', file=fd)
print('for i, r := range rhs.{0} {{'.format(val_name), file=fd)
print('if l, y := lmap[mapkey(i, string({0}))]; !y {{'.format('+'.join('r.{0}'.format(convert_to_golang(v)) for v in elem.split(' '))), file=fd)
print('return false', file=fd)
print('} else if !r.Equal(l) {', file=fd)
print('return false', file=fd)
print('}', file=fd)
print('}', file=fd)
print('}', file=fd)
else:
sys.stderr.write("invalid equal type %s", typ)
print('return true', file=fd)
print('}', file=fd)
def get_orig_prefix(mod):
orig = mod.i_orig_module
if orig:
get_orig_prefix(orig)
else:
return mod.i_prefix
def get_path(c):
path = ''
if c.parent is not None:
p = ''
if hasattr(c, 'i_module'):
mod = c.i_module
prefix = mod.search_one('prefix')
if prefix:
p = prefix.arg + ":"
path = get_path(c.parent) + "/" + p + c.arg
return path
# define container embedded enums
def define_enum(ctx, mod, c):
prefix = mod.i_prefix
c.path = get_path(c)
c.golang_name = convert_to_golang(c.arg)
if prefix in ctx.golang_typedef_map:
ctx.golang_typedef_map[prefix][c.arg] = c
else:
ctx.golang_typedef_map[prefix] = {c.arg: c}
def visit_children(ctx, mod, children):
for c in children:
if is_case(c):
prefix = get_orig_prefix(c.parent.i_orig_module)
c.i_orig_module = c.parent.i_orig_module
else:
prefix = get_orig_prefix(c.i_orig_module)
c.uniq_name = c.arg
if c.arg == 'config':
c.uniq_name = c.parent.uniq_name + '-config'
elif c.arg == 'state':
c.uniq_name = c.parent.uniq_name + '-state'
elif c.arg == 'graceful-restart' and prefix == 'bgp-mp':
c.uniq_name = 'mp-graceful-restart'
if is_leaf(c) and is_enum(c.search_one('type')):
define_enum(ctx, mod, c)
elif is_list(c) or is_container(c) or is_choice(c):
c.golang_name = convert_to_golang(c.uniq_name)
if is_choice(c):
picks = pickup_choice(c)
c.i_children = picks
if is_enum_choice(c):
define_enum(ctx, mod, c)
continue
prefix_name = prefix + ':' + c.uniq_name
if prefix_name in ctx.golang_struct_names:
ext_c = ctx.golang_struct_names.get(prefix_name)
ext_c_child_count = len(getattr(ext_c, "i_children"))
current_c_child_count = len(getattr(c, "i_children"))
if ext_c_child_count < current_c_child_count:
c.module_prefix = prefix
ctx.golang_struct_names[prefix_name] = c
idx = ctx.golang_struct_def.index(ext_c)
ctx.golang_struct_def[idx] = c
else:
c.module_prefix = prefix
ctx.golang_struct_names[prefix_name] = c
ctx.golang_struct_def.append(c)
c.path = get_path(c)
# print(c.path, file=sys.stderr)
if hasattr(c, 'i_children'):
visit_children(ctx, mod, c.i_children)
def pickup_choice(c):
element = []
for child in c.i_children:
if is_case(child):
element = element + child.i_children
return element
def get_type_spec(stmt):
for s in stmt.substmts:
if hasattr(s, 'i_type_spec'):
return s.i_type_spec.name
return None
def visit_typedef(ctx, mod):
prefix = mod.i_prefix
child_map = {}
for stmt in mod.substmts:
if is_typedef(stmt):
stmt.path = get_path(stmt)
# print('stmt.path = "%s"' % stmt.path, file=sys.stderr)
name = stmt.arg
stmt.golang_name = convert_to_golang(name)
# print('stmt.golang_name = "%s"' % stmt.golang_name, file=sys.stderr)
child_map[name] = stmt
ctx.golang_typedef_map[prefix] = child_map
# print('ctx.golang_typedef_map["%s"] = %s' % (prefix, child_map), file=sys.stderr)
prefix_rel = ctx.prefix_rel[prefix]
ctx.golang_typedef_map[prefix_rel] = child_map
# print('ctx.golang_typedef_map["%s"] = %s' % (prefix_rel, child_map)), file=sys.stderr)
def visit_identity(ctx, mod):
prefix = mod.i_prefix
child_map = {}
for stmt in mod.substmts:
if is_identity(stmt):
name = stmt.arg
stmt.golang_name = convert_to_golang(name)
# print('stmt.golang_name = "%s"' % stmt.golang_name, file=sys.stderr)
child_map[name] = stmt
base = stmt.search_one('base')
if base:
base_name = base.arg
if ':' in base_name:
base_prefix, base_name = base_name.split(':', 1)
if base_prefix in ctx.golang_identity_map:
ctx.golang_identity_map[base_prefix][base_name].substmts.append(stmt)
else:
child_map[base_name].substmts.append(stmt)
ctx.golang_identity_map[prefix] = child_map
# print('ctx.golang_identity_map["%s"] = %s\n' % (prefix, child_map), file=sys.stderr)
prefix_rel = ctx.prefix_rel[prefix]
ctx.golang_identity_map[prefix_rel] = child_map
# print('ctx.golang_identity_map["%s"] = %s\n' % (prefix_rel, child_map), file=sys.stderr)
def lookup_identity(ctx, default_prefix, identity_name):
result = lookup(ctx.golang_identity_map, default_prefix, identity_name)
return result
def lookup_typedef(ctx, default_prefix, type_name):
result = lookup(ctx.golang_typedef_map, default_prefix, type_name)
return result
def lookup(basemap, default_prefix, key):
if ':' in key:
pref, name = key.split(':')
else:
pref = default_prefix
name = key
if pref in basemap:
return basemap[pref].get(name, None)
else:
return key
def emit_description(stmt, fd):
desc = stmt.search_one('description')
if desc is None:
return None
desc_words = desc.arg if desc.arg.endswith('.') else desc.arg + '.'
print('// %s' % desc_words.replace('\n', '\n// '), file=fd)
def emit_enum(prefix, name, stmt, substmts, fd):
type_name_org = name
type_name = stmt.golang_name
print('// typedef for identity %s:%s.' % (prefix, type_name_org), file=fd)
emit_description(stmt, fd)
print('type %s string' % type_name, file=fd)
const_prefix = convert_const_prefix(type_name_org)
print('const (', file=fd)
m = {}
if is_choice(stmt) and is_enum_choice(stmt):
n = namedtuple('Statement', ['arg'])
n.arg = 'none'
substmts = [n] + substmts
for sub in substmts:
enum_name = '%s_%s' % (const_prefix, convert_const_prefix(sub.arg))
m[sub.arg.lower()] = enum_name
print(' %s %s = "%s"' % (enum_name, type_name, sub.arg.lower()), file=fd)
print(')\n', file=fd)
print('var %sToIntMap = map[%s]int {' % (type_name, type_name), file=fd)
for i, sub in enumerate(substmts):
enum_name = '%s_%s' % (const_prefix, convert_const_prefix(sub.arg))
print(' %s: %d,' % (enum_name, i), file=fd)
print('}\n', file=fd)
print('var IntTo%sMap = map[int]%s {' % (type_name, type_name), file=fd)
for i, sub in enumerate(substmts):
enum_name = '%s_%s' % (const_prefix, convert_const_prefix(sub.arg))
print(' %d: %s,' % (i, enum_name), file=fd)
print('}\n', file=fd)
print('func (v %s) Validate() error {' % type_name, file=fd)
print('if _, ok := %sToIntMap[v]; !ok {' % type_name, file=fd)
print('return fmt.Errorf("invalid %s: %%s", v)' % type_name, file=fd)
print('}', file=fd)
print('return nil', file=fd)
print('}\n', file=fd)
if stmt.search_one('default'):
default = stmt.search_one('default')
print('func (v %s) Default() %s {' % (type_name, type_name), file=fd)
print('return %s' % m[default.arg.lower()], file=fd)
print('}\n', file=fd)
print('func (v %s) DefaultAsNeeded() %s {' % (type_name, type_name), file=fd)
print(' if string(v) == "" {', file=fd)
print(' return v.Default()', file=fd)
print('}', file=fd)
print(' return v', file=fd)
print('}', file=fd)
print('func (v %s) ToInt() int {' % type_name, file=fd)
print('_v := v.DefaultAsNeeded()')
print('i, ok := %sToIntMap[_v]' % type_name, file=fd)
else:
print('func (v %s) ToInt() int {' % type_name, file=fd)
print('i, ok := %sToIntMap[v]' % type_name, file=fd)
print('if !ok {', file=fd)
print('return -1', file=fd)
print('}', file=fd)
print('return i', file=fd)
print('}', file=fd)
def emit_typedef(ctx, mod, fd):
prefix = mod.i_prefix
t_map = ctx.golang_typedef_map[prefix]
for name, stmt in t_map.items():
if stmt.path in _typedef_exclude:
continue
# skip identityref type because currently skip identity
if get_type_spec(stmt) == 'identityref':
continue
type_name_org = name
type_name = stmt.golang_name
if type_name in ctx.emitted_type_names:
print("warning %s: %s has already been emitted from %s."
% (prefix + ":" + type_name_org, type_name_org, ctx.emitted_type_names[type_name]),
file=sys.stderr)
continue
ctx.emitted_type_names[type_name] = prefix + ":" + type_name_org
t = stmt.search_one('type')
if not t and is_choice(stmt):
emit_enum(prefix, type_name_org, stmt, stmt.i_children, fd)
elif is_enum(t):
emit_enum(prefix, type_name_org, stmt, t.substmts, fd)
elif is_union(t):
print('// typedef for typedef %s:%s.' % (prefix, type_name_org), file=fd)
emit_description(t, fd)
print('type %s string' % type_name, file=fd)
else:
if is_leafref(t):
t = dig_leafref(t)
print('// typedef for typedef %s:%s.' % (prefix, type_name_org), file=fd)
if is_builtin_type(t):
emit_description(t, fd)
print('type %s %s' % (type_name, t.arg), file=fd)
elif is_translation_required(t):
print('// %s:%s\'s original type is %s.' % (prefix, name, t.arg), file=fd)
emit_description(t, fd)
print('type %s %s' % (type_name, translate_type(t.arg)), file=fd)
else:
m = ctx.golang_typedef_map
for k in t.arg.split(':'):
m = m[k]
emit_description(t, fd)
print('type %s %s' % (type_name, m.golang_name), file=fd)
def emit_identity(ctx, mod, fd):
prefix = mod.i_prefix
i_map = ctx.golang_identity_map[prefix]
for name, stmt in i_map.items():
enums = stmt.search('identity')
if len(enums) > 0:
emit_enum(prefix, name, stmt, enums, fd)
def is_reference(s):
return s.arg in ['leafref', 'identityref']
def is_leafref(s):
return s.arg in ['leafref']
def is_identityref(s):
return s.arg in ['identityref']
def is_enum(s):
return s.arg in ['enumeration']
def is_union(s):
return s.arg in ['union']
def is_typedef(s):
return s.keyword in ['typedef']
def is_identity(s):
return s.keyword in ['identity']
def is_leaf(s):
return s.keyword in ['leaf']
def is_leaflist(s):
return s.keyword in ['leaf-list']
def is_list(s):
return s.keyword in ['list']
def is_container(s):
return s.keyword in ['container']
def is_case(s):
return s.keyword in ['case']
def is_choice(s):
return s.keyword in ['choice']
def is_enum_choice(s):
return all(e.search_one('type').arg in _type_enum_case for e in s.i_children)
_type_enum_case = [
'empty',
]
def is_builtin_type(t):
return t.arg in _type_builtin
def is_translation_required(t):
return t.arg in list(_type_translation_map.keys())
_type_translation_map = {
'union': 'string',
'decimal64': 'float64',
'boolean': 'bool',
'empty': 'bool',
'inet:ip-address': 'string',
'inet:ip-prefix': 'string',
'inet:ipv4-address': 'string',
'inet:as-number': 'uint32',
'bgp-set-community-option-type': 'string',
'inet:port-number': 'uint16',
'yang:timeticks': 'int64',
'ptypes:install-protocol-type': 'string',
'binary': '[]byte',
'route-family': 'bgp.RouteFamily',
'bgp-capability': 'bgp.ParameterCapabilityInterface',
'bgp-open-message': '*bgp.BGPMessage',
}
_type_builtin = [
"union",
"int8",
"int16",
"int32",
"int64",
"string",
"uint8",
"uint16",
"uint32",
"uint64",
]
_module_excluded = [
"ietf-inet-types",
"ietf-yang-types",
]
_path_exclude = [
"/rpol:routing-policy/rpol:defined-sets/rpol:neighbor-sets/rpol:neighbor-set/rpol:neighbor",
"/rpol:routing-policy/rpol:defined-sets/bgp-pol:bgp-defined-sets/bgp-pol:community-sets/bgp-pol:community-set/bgp-pol:community-member",
"/rpol:routing-policy/rpol:defined-sets/bgp-pol:bgp-defined-sets/bgp-pol:ext-community-sets/bgp-pol:ext-community-set/bgp-pol:ext-community-member",
"/rpol:routing-policy/rpol:defined-sets/bgp-pol:bgp-defined-sets/bgp-pol:as-path-sets/bgp-pol:as-path-set/bgp-pol:as-path-set-member",
]
_typedef_exclude = [
"/gobgp:bgp-capability",
"/gobgp:bgp-open-message",
]
def generate_header(fd):
print(_COPYRIGHT_NOTICE, file=fd)
print('package oc', file=fd)
print('', file=fd)
print('import (', file=fd)
print('"fmt"', file=fd)
print('', file=fd)
print('"github.com/osrg/gobgp/v3/pkg/packet/bgp"', file=fd)
print(')', file=fd)
print('', file=fd)
def generate_common_functions(fd):
print('func mapkey(index int, name string) string {', file=fd)
print('if name != "" {', file=fd)
print('return name', file=fd)
print('}', file=fd)
print('return fmt.Sprintf("%v", index)', file=fd)
print('}', file=fd)
def translate_type(key):
if key in _type_translation_map.keys():
return _type_translation_map[key]
else:
return key
# 'hoge-hoge' -> 'HogeHoge'
def convert_to_golang(type_string):
a = type_string.split('.')
return '.'.join(''.join(t.capitalize() for t in x.split('-')) for x in a)
# 'hoge-hoge' -> 'HOGE_HOGE'
def convert_const_prefix(type_string):
return type_string.replace('-', '_').upper()
def chop_suf(s, suf):
if not s.endswith(suf):
return s
return s[:-len(suf)]