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6427029c4e
* Update all dependencies * Remove all `[[constraint]]` from Gopkg.toml * Add in the minimum number of `[[override]]` to build * Remove go get of github.com/inconshreveable/mousetrap as it is vendored * Update docs with new policy on constraints
143 lines
4.5 KiB
Python
143 lines
4.5 KiB
Python
from stone.ir import (ApiNamespace, ApiRoute)
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from stone.ir import (
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Boolean,
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Float32,
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Float64,
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Int32,
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Int64,
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String,
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Timestamp,
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UInt32,
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UInt64,
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unwrap_nullable,
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is_composite_type,
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is_list_type,
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is_struct_type,
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Void,
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)
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from stone.backends import helpers
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HEADER = """\
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// Copyright (c) Dropbox, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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"""
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_reserved_keywords = {
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'break', 'default', 'func', 'interface', 'select',
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'case', 'defer', 'go', 'map', 'struct',
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'chan', 'else', 'goto', 'package', 'switch',
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'const', 'fallthrough', 'if', 'range', 'type',
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'continue', 'for', 'import', 'return', 'var',
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}
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_type_table = {
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UInt64: 'uint64',
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Int64: 'int64',
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UInt32: 'uint32',
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Int32: 'int32',
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Float64: 'float64',
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Float32: 'float32',
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Boolean: 'bool',
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String: 'string',
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Timestamp: 'time.Time',
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Void: 'struct{}',
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}
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def _rename_if_reserved(s):
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if s in _reserved_keywords:
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return s + '_'
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else:
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return s
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def fmt_type(data_type, namespace=None, use_interface=False):
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data_type, nullable = unwrap_nullable(data_type)
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if is_list_type(data_type):
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return '[]%s' % fmt_type(data_type.data_type, namespace, use_interface)
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type_name = data_type.name
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if use_interface and _needs_base_type(data_type):
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type_name = 'Is' + type_name
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if is_composite_type(data_type) and namespace is not None and \
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namespace.name != data_type.namespace.name:
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type_name = data_type.namespace.name + '.' + type_name
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if use_interface and _needs_base_type(data_type):
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return _type_table.get(data_type.__class__, type_name)
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else:
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return _type_table.get(data_type.__class__, '*' + type_name)
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def fmt_var(name, export=True, check_reserved=False):
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s = helpers.fmt_pascal(name) if export else helpers.fmt_camel(name)
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return _rename_if_reserved(s) if check_reserved else s
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def _doc_handler(tag, val):
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if tag == 'type':
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return '`{}`'.format(val)
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elif tag == 'route':
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return '`{}`'.format(helpers.fmt_camel(val))
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elif tag == 'link':
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anchor, link = val.rsplit(' ', 1)
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return '`{}` <{}>'.format(anchor, link)
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elif tag == 'val':
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if val == 'null':
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return 'nil'
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else:
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return val
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elif tag == 'field':
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return '`{}`'.format(val)
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else:
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raise RuntimeError('Unknown doc ref tag %r' % tag)
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def generate_doc(code_generator, t):
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doc = t.doc
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if doc is None:
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doc = 'has no documentation (yet)'
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doc = code_generator.process_doc(doc, _doc_handler)
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d = '%s : %s' % (fmt_var(t.name), doc)
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if isinstance(t, ApiNamespace):
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d = 'Package %s : %s' % (t.name, doc)
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code_generator.emit_wrapped_text(d, prefix='// ')
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# Generate comment for deprecated routes
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if isinstance(t, ApiRoute):
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if t.deprecated is not None:
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d = 'Deprecated: '
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if t.deprecated.by is not None:
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d += 'Use `%s` instead' % fmt_var(t.deprecated.by.name)
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code_generator.emit_wrapped_text(d, prefix='// ')
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def _needs_base_type(data_type):
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if is_struct_type(data_type) and data_type.has_enumerated_subtypes():
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return True
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if is_list_type(data_type):
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return _needs_base_type(data_type.data_type)
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return False
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def needs_base_type(struct):
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for field in struct.fields:
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if _needs_base_type(field.data_type):
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return True
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return False
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