8f4d7c95df
Not all lines starting with '..' are comments, and even if they are comments, they might as well go into the generated spec ReST.
788 lines
29 KiB
Python
788 lines
29 KiB
Python
"""
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Contains all the units for the spec.
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This file loads swagger and JSON schema files and parses out the useful bits
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and returns them as Units for use in Batesian.
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For the actual conversion of data -> RST (including templates), see the sections
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file instead.
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"""
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from batesian.units import Units
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import logging
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import inspect
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import json
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import os
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import re
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import subprocess
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import urllib
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import yaml
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HTTP_APIS = {
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"../api/application-service": "as",
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"../api/client-server": "cs",
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"../api/identity": "is",
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"../api/push-gateway": "push",
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}
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EVENT_EXAMPLES = "../event-schemas/examples"
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EVENT_SCHEMA = "../event-schemas/schema"
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CORE_EVENT_SCHEMA = "../event-schemas/schema/core-event-schema"
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CHANGELOG_DIR = "../changelogs"
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TARGETS = "../specification/targets.yaml"
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ROOM_EVENT = "core-event-schema/room_event.yaml"
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STATE_EVENT = "core-event-schema/state_event.yaml"
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logger = logging.getLogger(__name__)
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def resolve_references(path, schema):
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if isinstance(schema, dict):
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# do $ref first
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if '$ref' in schema:
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value = schema['$ref']
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path = os.path.join(os.path.dirname(path), value)
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with open(path) as f:
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ref = yaml.load(f)
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result = resolve_references(path, ref)
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del schema['$ref']
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else:
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result = {}
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for key, value in schema.items():
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result[key] = resolve_references(path, value)
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return result
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elif isinstance(schema, list):
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return [resolve_references(path, value) for value in schema]
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else:
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return schema
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def inherit_parents(obj):
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"""
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Recurse through the 'allOf' declarations in the object
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"""
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logger.debug("inherit_parents %r" % obj)
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parents = obj.get("allOf", [])
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if not parents:
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return obj
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result = {}
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# settings defined in the child take priority over the parents, so we
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# iterate through the parents first, and then overwrite with the settings
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# from the child.
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for p in map(inherit_parents, parents) + [obj]:
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for key in ('title', 'type', 'required', 'description'):
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if p.get(key):
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result[key] = p[key]
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for key in ('properties', 'additionalProperties', 'patternProperties'):
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if p.get(key):
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result.setdefault(key, {}).update(p[key])
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return result
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def get_json_schema_object_fields(obj, enforce_title=False,
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mark_required=True):
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# Algorithm:
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# f.e. property => add field info (if field is object then recurse)
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if obj.get("type") != "object":
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raise Exception(
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"get_json_schema_object_fields: Object %s isn't an object." % obj
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)
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logger.debug("Processing object with title '%s'", obj.get("title"))
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if enforce_title and not obj.get("title"):
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# Force a default titile of "NO_TITLE" to make it obvious in the
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# specification output which parts of the schema are missing a title
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obj["title"] = 'NO_TITLE'
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additionalProps = obj.get("additionalProperties")
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props = obj.get("properties")
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if additionalProps and not props:
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# not "really" an object, just a KV store
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additionalProps = inherit_parents(additionalProps)
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logger.debug("%s is a pseudo-object", obj.get("title"))
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key_type = additionalProps.get("x-pattern", "string")
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value_type = additionalProps["type"]
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if value_type == "object":
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nested_objects = get_json_schema_object_fields(
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additionalProps,
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enforce_title=True,
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)
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value_type = nested_objects[0]["title"]
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tables = [x for x in nested_objects if not x.get("no-table")]
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else:
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key_type = "string"
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tables = []
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tables = [{
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"title": "{%s: %s}" % (key_type, value_type),
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"no-table": True
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}]+tables
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logger.debug("%s done: returning %s", obj.get("title"), tables)
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return tables
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if not props:
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props = obj.get("patternProperties")
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if props:
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# try to replace horrible regex key names with pretty x-pattern ones
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for key_name in props.keys():
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pretty_key = props[key_name].get("x-pattern")
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if pretty_key:
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props[pretty_key] = props[key_name]
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del props[key_name]
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# Sometimes you just want to specify that a thing is an object without
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# doing all the keys. Allow people to do that if they set a 'title'.
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if not props and obj.get("title"):
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return [{
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"title": obj["title"],
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"no-table": True
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}]
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if not props:
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raise Exception(
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"Object %s has no properties and no title" % obj
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)
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required_keys = set(obj.get("required", []))
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fields = {
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"title": obj.get("title"),
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"rows": []
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}
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tables = [fields]
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for key_name in props:
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logger.debug("Processing property %s.%s", obj.get('title'), key_name)
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prop = inherit_parents(props[key_name])
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value_type = None
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required = key_name in required_keys
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desc = prop.get("description", "")
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prop_type = prop.get('type')
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if prop_type is None:
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raise KeyError("Property '%s' of object '%s' missing 'type' field"
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% (key_name, obj))
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logger.debug("%s is a %s", key_name, prop_type)
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if prop_type == "object":
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nested_objects = get_json_schema_object_fields(
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prop,
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enforce_title=True,
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mark_required=mark_required,
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)
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value_type = nested_objects[0]["title"]
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value_id = value_type
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tables += [x for x in nested_objects if not x.get("no-table")]
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elif prop_type == "array":
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items = inherit_parents(prop["items"])
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# if the items of the array are objects then recurse
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if items["type"] == "object":
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nested_objects = get_json_schema_object_fields(
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items,
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enforce_title=True,
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mark_required=mark_required,
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)
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value_id = nested_objects[0]["title"]
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value_type = "[%s]" % value_id
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tables += nested_objects
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else:
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value_type = items["type"]
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if isinstance(value_type, list):
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value_type = " or ".join(value_type)
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value_id = value_type
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value_type = "[%s]" % value_type
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array_enums = items.get("enum")
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if array_enums:
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if len(array_enums) > 1:
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value_type = "[enum]"
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desc += (
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" One of: %s" % json.dumps(array_enums)
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)
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else:
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desc += (
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" Must be '%s'." % array_enums[0]
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)
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else:
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value_type = prop_type
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value_id = prop_type
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if prop.get("enum"):
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if len(prop["enum"]) > 1:
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value_type = "enum"
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if desc:
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desc += " "
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desc += (
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"One of: %s" % json.dumps(prop["enum"])
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)
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else:
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if desc:
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desc += " "
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desc += (
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"Must be '%s'." % prop["enum"][0]
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)
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if isinstance(value_type, list):
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value_type = " or ".join(value_type)
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if required and mark_required:
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desc = "**Required.** " + desc
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fields["rows"].append({
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"key": key_name,
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"type": value_type,
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"id": value_id,
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"required": required,
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"desc": desc,
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})
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logger.debug("Done property %s" % key_name)
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return tables
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def get_tables_for_schema(schema, mark_required=True):
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schema = inherit_parents(schema)
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tables = get_json_schema_object_fields(schema,
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mark_required=mark_required)
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# the result may contain duplicates, if objects are referred to more than
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# once. Filter them out.
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#
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# Go through the tables backwards so that we end up with a breadth-first
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# rather than depth-first ordering.
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titles = set()
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filtered = []
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for table in reversed(tables):
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if table.get("no-table"):
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continue
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if table.get("title") in titles:
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continue
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titles.add(table.get("title"))
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filtered.append(table)
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filtered.reverse()
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return filtered
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def get_example_for_schema(schema):
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|
"""Returns a python object representing a suitable example for this object"""
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if 'example' in schema:
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example = schema['example']
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return example
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if 'properties' in schema:
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res = {}
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for prop_name, prop in schema['properties'].iteritems():
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logger.debug("Parsing property %r" % prop_name)
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prop_example = get_example_for_schema(prop)
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res[prop_name] = prop_example
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return res
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if 'items' in schema:
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return [get_example_for_schema(schema['items'])]
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return schema.get('type', '??')
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|
|
def get_example_for_param(param):
|
|
if 'x-example' in param:
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|
return param['x-example']
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|
schema = param.get('schema')
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|
if not schema:
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return None
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|
if 'example' in schema:
|
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return schema['example']
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return json.dumps(get_example_for_schema(param['schema']),
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indent=2)
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|
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class MatrixUnits(Units):
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def _load_swagger_meta(self, api, group_name):
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endpoints = []
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for path in api["paths"]:
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for method in api["paths"][path]:
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single_api = api["paths"][path][method]
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full_path = api.get("basePath", "").rstrip("/") + path
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endpoint = {
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"title": single_api.get("summary", ""),
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"deprecated": single_api.get("deprecated", False),
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"desc": single_api.get("description", single_api.get("summary", "")),
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"method": method.upper(),
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"path": full_path.strip(),
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"requires_auth": "security" in single_api,
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"rate_limited": 429 in single_api.get("responses", {}),
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"req_param_by_loc": {},
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"req_body_tables": [],
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"res_tables": [],
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"responses": [],
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"example": {
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"req": "",
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}
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}
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self.log(" ------- Endpoint: %s %s ------- " % (method, path))
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for param in single_api.get("parameters", []):
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param_loc = param["in"]
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if param_loc == "body":
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self._handle_body_param(param, endpoint)
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continue
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|
param_name = param["name"]
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|
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|
# description
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desc = param.get("description", "")
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if param.get("required"):
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desc = "**Required.** " + desc
|
|
|
|
# assign value expected for this param
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|
val_type = param.get("type") # integer/string
|
|
|
|
if param.get("enum"):
|
|
val_type = "enum"
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desc += (
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|
" One of: %s" % json.dumps(param.get("enum"))
|
|
)
|
|
|
|
endpoint["req_param_by_loc"].setdefault(param_loc, []).append({
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"key": param_name,
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|
"type": val_type,
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"desc": desc
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|
})
|
|
# endfor[param]
|
|
|
|
good_response = None
|
|
for code in sorted(single_api.get("responses", {}).keys()):
|
|
res = single_api["responses"][code]
|
|
if not good_response and code == 200:
|
|
good_response = res
|
|
description = res.get("description", "")
|
|
example = res.get("examples", {}).get("application/json", "")
|
|
endpoint["responses"].append({
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"code": code,
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|
"description": description,
|
|
"example": example,
|
|
})
|
|
|
|
path_template = api.get("basePath", "").rstrip("/") + path
|
|
qps = []
|
|
body = ""
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|
for param in single_api.get("parameters", []):
|
|
try:
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|
example = get_example_for_param(param)
|
|
|
|
if not example:
|
|
self.log(
|
|
"The parameter %s is missing an example." %
|
|
param["name"])
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|
continue
|
|
|
|
if param["in"] == "path":
|
|
path_template = path_template.replace(
|
|
"{%s}" % param["name"], urllib.quote(example)
|
|
)
|
|
elif param["in"] == "body":
|
|
body = example
|
|
elif param["in"] == "query":
|
|
if type(example) == list:
|
|
for value in example:
|
|
qps.append((param["name"], value))
|
|
else:
|
|
qps.append((param["name"], example))
|
|
except Exception, e:
|
|
raise Exception("Error handling parameter %s" % param["name"],
|
|
e)
|
|
|
|
query_string = "" if len(qps) == 0 else "?"+urllib.urlencode(qps)
|
|
if body:
|
|
endpoint["example"]["req"] = "%s %s%s HTTP/1.1\nContent-Type: application/json\n\n%s" % (
|
|
method.upper(), path_template, query_string, body
|
|
)
|
|
else:
|
|
endpoint["example"]["req"] = "%s %s%s HTTP/1.1\n\n" % (
|
|
method.upper(), path_template, query_string
|
|
)
|
|
|
|
# add response params if this API has any.
|
|
if good_response:
|
|
self.log("Found a 200 response for this API")
|
|
res_type = Units.prop(good_response, "schema/type")
|
|
res_name = Units.prop(good_response, "schema/name")
|
|
if res_type and res_type not in ["object", "array"]:
|
|
# response is a raw string or something like that
|
|
good_table = {
|
|
"title": None,
|
|
"rows": [{
|
|
"key": "<" + res_type + ">" if not res_name else res_name,
|
|
"type": res_type,
|
|
"desc": res.get("description", ""),
|
|
"req_str": ""
|
|
}]
|
|
}
|
|
if good_response.get("headers"):
|
|
for (header_name, header) in good_response.get("headers").iteritems():
|
|
good_table["rows"].append({
|
|
"key": header_name,
|
|
"type": "Header<" + header["type"] + ">",
|
|
"desc": header["description"],
|
|
"req_str": ""
|
|
})
|
|
endpoint["res_tables"].append(good_table)
|
|
elif res_type and Units.prop(good_response, "schema/properties"):
|
|
# response is an object:
|
|
schema = good_response["schema"]
|
|
res_tables = get_tables_for_schema(schema,
|
|
mark_required=False,
|
|
)
|
|
endpoint["res_tables"].extend(res_tables)
|
|
elif res_type and Units.prop(good_response, "schema/items"):
|
|
# response is an array:
|
|
# FIXME: Doesn't recurse at all.
|
|
schema = good_response["schema"]
|
|
array_type = Units.prop(schema, "items/type")
|
|
if Units.prop(schema, "items/allOf"):
|
|
array_type = (
|
|
Units.prop(schema, "items/title")
|
|
)
|
|
endpoint["res_tables"].append({
|
|
"title": schema.get("title", ""),
|
|
"rows": [{
|
|
"key": "N/A",
|
|
"type": ("[%s]" % array_type),
|
|
"desc": schema.get("description", ""),
|
|
"req_str": ""
|
|
}]
|
|
})
|
|
|
|
for response_table in endpoint["res_tables"]:
|
|
self.log("Response: %s" % response_table["title"])
|
|
for r in response_table["rows"]:
|
|
self.log("Row: %s" % r)
|
|
if len(endpoint["res_tables"]) == 0:
|
|
self.log(
|
|
"This API appears to have no response table. Are you " +
|
|
"sure this API returns no parameters?"
|
|
)
|
|
|
|
endpoints.append(endpoint)
|
|
|
|
return {
|
|
"base": api.get("basePath").rstrip("/"),
|
|
"group": group_name,
|
|
"endpoints": endpoints,
|
|
}
|
|
|
|
|
|
def _handle_body_param(self, param, endpoint_data):
|
|
"""Update endpoint_data object with the details of the body param
|
|
:param string filepath path to the yaml
|
|
:param dict param the parameter data from the yaml
|
|
:param dict endpoint_data dictionary of endpoint data to be updated
|
|
"""
|
|
try:
|
|
req_body_tables = get_tables_for_schema(param["schema"])
|
|
except Exception, e:
|
|
logger.warning("Error decoding body of API endpoint %s %s" %
|
|
(endpoint_data["method"], endpoint_data["path"]),
|
|
exc_info=1)
|
|
return
|
|
|
|
# put the top-level parameters into 'req_param_by_loc', and the others
|
|
# into 'req_body_tables'
|
|
body_params = endpoint_data['req_param_by_loc'].setdefault("JSON body",[])
|
|
body_params.extend(req_body_tables[0]["rows"])
|
|
|
|
body_tables = req_body_tables[1:]
|
|
# TODO: remove this when PR #255 has landed
|
|
body_tables = (t for t in body_tables if not t.get('no-table'))
|
|
endpoint_data['req_body_tables'].extend(body_tables)
|
|
|
|
|
|
def load_swagger_apis(self):
|
|
apis = {}
|
|
for path, suffix in HTTP_APIS.items():
|
|
for filename in os.listdir(path):
|
|
if not filename.endswith(".yaml"):
|
|
continue
|
|
self.log("Reading swagger API: %s" % filename)
|
|
filepath = os.path.join(path, filename)
|
|
with open(filepath, "r") as f:
|
|
# strip .yaml
|
|
group_name = filename[:-5].replace("-", "_")
|
|
group_name = "%s_%s" % (group_name, suffix)
|
|
api = yaml.load(f.read())
|
|
api = resolve_references(filepath, api)
|
|
api["__meta"] = self._load_swagger_meta(
|
|
api, group_name
|
|
)
|
|
apis[group_name] = api
|
|
return apis
|
|
|
|
def load_common_event_fields(self):
|
|
path = CORE_EVENT_SCHEMA
|
|
event_types = {}
|
|
|
|
for (root, dirs, files) in os.walk(path):
|
|
for filename in files:
|
|
if not filename.endswith(".yaml"):
|
|
continue
|
|
|
|
event_type = filename[:-5] # strip the ".yaml"
|
|
filepath = os.path.join(root, filename)
|
|
with open(filepath) as f:
|
|
try:
|
|
event_info = yaml.load(f)
|
|
except Exception as e:
|
|
raise ValueError(
|
|
"Error reading file %r" % (filepath,), e
|
|
)
|
|
|
|
if "event" not in event_type:
|
|
continue # filter ImageInfo and co
|
|
|
|
table = {
|
|
"title": event_info["title"],
|
|
"desc": event_info["description"],
|
|
"rows": []
|
|
}
|
|
|
|
for prop in sorted(event_info["properties"]):
|
|
row = {
|
|
"key": prop,
|
|
"type": event_info["properties"][prop]["type"],
|
|
"desc": event_info["properties"][prop].get("description","")
|
|
}
|
|
table["rows"].append(row)
|
|
|
|
event_types[event_type] = table
|
|
return event_types
|
|
|
|
def load_apis(self, substitutions):
|
|
cs_ver = substitutions.get("%CLIENT_RELEASE_LABEL%", "unstable")
|
|
fed_ver = substitutions.get("%SERVER_RELEASE_LABEL%", "unstable")
|
|
return {
|
|
"rows": [{
|
|
"key": "`Client-Server API <client_server/"+cs_ver+".html>`_",
|
|
"type": cs_ver,
|
|
"desc": "Interaction between clients and servers",
|
|
}, {
|
|
"key": "`Server-Server API <server_server/"+fed_ver+".html>`_",
|
|
"type": fed_ver,
|
|
"desc": "Federation between servers",
|
|
}, {
|
|
"key": "`Application Service API <application_service/unstable.html>`_",
|
|
"type": "unstable",
|
|
"desc": "Privileged server plugins",
|
|
}, {
|
|
"key": "`Identity Service API <identity_service/unstable.html>`_",
|
|
"type": "unstable",
|
|
"desc": "Mapping of third party IDs with Matrix ID",
|
|
}, {
|
|
"key": "`Push Gateway API <push_gateway/unstable.html>`_",
|
|
"type": "unstable",
|
|
"desc": "Push notifications for Matrix events",
|
|
}]
|
|
}
|
|
|
|
def load_event_examples(self):
|
|
path = EVENT_EXAMPLES
|
|
examples = {}
|
|
for filename in os.listdir(path):
|
|
if not filename.startswith("m."):
|
|
continue
|
|
with open(os.path.join(path, filename), "r") as f:
|
|
event_name = filename.split("#")[0]
|
|
example = json.loads(f.read())
|
|
|
|
examples[filename] = examples.get(filename, [])
|
|
examples[filename].append(example)
|
|
if filename != event_name:
|
|
examples[event_name] = examples.get(event_name, [])
|
|
examples[event_name].append(example)
|
|
return examples
|
|
|
|
def load_event_schemas(self):
|
|
path = EVENT_SCHEMA
|
|
schemata = {}
|
|
|
|
for filename in os.listdir(path):
|
|
if not filename.startswith("m."):
|
|
continue
|
|
filepath = os.path.join(path, filename)
|
|
self.log("Reading %s" % filepath)
|
|
with open(filepath, "r") as f:
|
|
json_schema = yaml.load(f)
|
|
schema = {
|
|
"typeof": None,
|
|
"typeof_info": "",
|
|
"type": None,
|
|
"title": None,
|
|
"desc": None,
|
|
"msgtype": None,
|
|
"content_fields": [
|
|
# {
|
|
# title: "<title> key"
|
|
# rows: [
|
|
# { key: <key_name>, type: <string>,
|
|
# desc: <desc>, required: <bool> }
|
|
# ]
|
|
# }
|
|
]
|
|
}
|
|
|
|
# add typeof
|
|
base_defs = {
|
|
ROOM_EVENT: "Message Event",
|
|
STATE_EVENT: "State Event"
|
|
}
|
|
if type(json_schema.get("allOf")) == list:
|
|
schema["typeof"] = base_defs.get(
|
|
json_schema["allOf"][0].get("$ref")
|
|
)
|
|
elif json_schema.get("title"):
|
|
schema["typeof"] = json_schema["title"]
|
|
|
|
json_schema = resolve_references(filepath, json_schema)
|
|
|
|
# add type
|
|
schema["type"] = Units.prop(
|
|
json_schema, "properties/type/enum"
|
|
)[0]
|
|
|
|
# add summary and desc
|
|
schema["title"] = json_schema.get("title")
|
|
schema["desc"] = json_schema.get("description", "")
|
|
|
|
# walk the object for field info
|
|
schema["content_fields"] = get_tables_for_schema(
|
|
Units.prop(json_schema, "properties/content")
|
|
)
|
|
|
|
# This is horrible because we're special casing a key on m.room.member.
|
|
# We need to do this because we want to document a non-content object.
|
|
if schema["type"] == "m.room.member":
|
|
invite_room_state = get_tables_for_schema(
|
|
json_schema["properties"]["invite_room_state"]["items"],
|
|
)
|
|
schema["content_fields"].extend(invite_room_state)
|
|
|
|
|
|
# grab msgtype if it is the right kind of event
|
|
msgtype = Units.prop(
|
|
json_schema, "properties/content/properties/msgtype/enum"
|
|
)
|
|
if msgtype:
|
|
schema["msgtype"] = msgtype[0] # enum prop
|
|
|
|
# link to msgtypes for m.room.message
|
|
if schema["type"] == "m.room.message" and not msgtype:
|
|
schema["desc"] += (
|
|
" For more information on ``msgtypes``, see "+
|
|
"`m.room.message msgtypes`_."
|
|
)
|
|
|
|
# Assign state key info if it has some
|
|
if schema["typeof"] == "State Event":
|
|
skey_desc = Units.prop(
|
|
json_schema, "properties/state_key/description"
|
|
)
|
|
if not skey_desc:
|
|
raise Exception("Missing description for state_key")
|
|
schema["typeof_info"] = "``state_key``: %s" % skey_desc
|
|
|
|
schemata[filename] = schema
|
|
return schemata
|
|
|
|
def load_changelogs(self):
|
|
changelogs = {}
|
|
|
|
for f in os.listdir(CHANGELOG_DIR):
|
|
if not f.endswith(".rst"):
|
|
continue
|
|
path = os.path.join(CHANGELOG_DIR, f)
|
|
name = f[:-4]
|
|
|
|
title_part = None
|
|
changelog_lines = []
|
|
with open(path, "r") as f:
|
|
lines = f.readlines()
|
|
prev_line = None
|
|
for line in lines:
|
|
if prev_line is None:
|
|
prev_line = line
|
|
continue
|
|
if not title_part:
|
|
# find the title underline (at least 3 =)
|
|
if re.match("^[=]{3,}$", line.strip()):
|
|
title_part = prev_line
|
|
continue
|
|
prev_line = line
|
|
else: # have title, get body (stop on next title or EOF)
|
|
if re.match("^[=]{3,}$", line.strip()):
|
|
# we added the title in the previous iteration, pop it
|
|
# then bail out.
|
|
changelog_lines.pop()
|
|
break
|
|
changelog_lines.append(" " + line)
|
|
changelogs[name] = "".join(changelog_lines)
|
|
|
|
return changelogs
|
|
|
|
|
|
def load_spec_targets(self):
|
|
with open(TARGETS, "r") as f:
|
|
return yaml.load(f.read())
|
|
|
|
|
|
def load_git_version(self):
|
|
null = open(os.devnull, 'w')
|
|
cwd = os.path.dirname(os.path.abspath(__file__))
|
|
try:
|
|
git_branch = subprocess.check_output(
|
|
['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
|
|
stderr=null,
|
|
cwd=cwd,
|
|
).strip()
|
|
except subprocess.CalledProcessError:
|
|
git_branch = ""
|
|
try:
|
|
git_tag = subprocess.check_output(
|
|
['git', 'describe', '--exact-match'],
|
|
stderr=null,
|
|
cwd=cwd,
|
|
).strip()
|
|
git_tag = "tag=" + git_tag
|
|
except subprocess.CalledProcessError:
|
|
git_tag = ""
|
|
try:
|
|
git_commit = subprocess.check_output(
|
|
['git', 'rev-parse', '--short', 'HEAD'],
|
|
stderr=null,
|
|
cwd=cwd,
|
|
).strip()
|
|
except subprocess.CalledProcessError:
|
|
git_commit = ""
|
|
try:
|
|
dirty_string = "-this_is_a_dirty_checkout"
|
|
is_dirty = subprocess.check_output(
|
|
['git', 'describe', '--dirty=' + dirty_string, "--all"],
|
|
stderr=null,
|
|
cwd=cwd,
|
|
).strip().endswith(dirty_string)
|
|
git_dirty = "dirty" if is_dirty else ""
|
|
except subprocess.CalledProcessError:
|
|
git_dirty = ""
|
|
|
|
git_version = "Unknown"
|
|
if git_branch or git_tag or git_commit or git_dirty:
|
|
git_version = ",".join(
|
|
s for s in
|
|
(git_branch, git_tag, git_commit, git_dirty,)
|
|
if s
|
|
).encode("ascii")
|
|
return {
|
|
"string": git_version,
|
|
"revision": git_commit
|
|
}
|