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#!/usr/bin/env python3
"""
Updates the capability definitions at irc/caps/defs.go
To add a capability, add it to the CAPDEFS list below,
then run `make capdefs` from the project root.
"""
import io
import subprocess
import sys
from collections import namedtuple
CapDef = namedtuple("CapDef", ['identifier', 'name', 'url', 'standard'])
CAPDEFS = [
CapDef(
identifier="AccountNotify",
name="account-notify",
url="https://ircv3.net/specs/extensions/account-notify-3.1.html",
standard="IRCv3",
),
CapDef(
identifier="AccountTag",
name="account-tag",
url="https://ircv3.net/specs/extensions/account-tag-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="AwayNotify",
name="away-notify",
url="https://ircv3.net/specs/extensions/away-notify-3.1.html",
standard="IRCv3",
),
CapDef(
identifier="Batch",
name="batch",
url="https://ircv3.net/specs/extensions/batch-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="CapNotify",
name="cap-notify",
url="https://ircv3.net/specs/extensions/cap-notify-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="ChgHost",
name="chghost",
url="https://ircv3.net/specs/extensions/chghost-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="EchoMessage",
name="echo-message",
url="https://ircv3.net/specs/extensions/echo-message-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="ExtendedJoin",
name="extended-join",
url="https://ircv3.net/specs/extensions/extended-join-3.1.html",
standard="IRCv3",
),
CapDef(
identifier="ExtendedMonitor",
name="extended-monitor",
url="https://ircv3.net/specs/extensions/extended-monitor.html",
standard="IRCv3",
),
CapDef(
identifier="InviteNotify",
name="invite-notify",
url="https://ircv3.net/specs/extensions/invite-notify-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="LabeledResponse",
name="labeled-response",
url="https://ircv3.net/specs/extensions/labeled-response.html",
standard="IRCv3",
),
CapDef(
identifier="Languages",
name="draft/languages",
url="https://gist.github.com/DanielOaks/8126122f74b26012a3de37db80e4e0c6",
standard="proposed IRCv3",
),
CapDef(
identifier="MessageRedaction",
name="draft/message-redaction",
url="https://github.com/progval/ircv3-specifications/blob/redaction/extensions/message-redaction.md",
standard="proposed IRCv3",
),
CapDef(
identifier="MessageTags",
name="message-tags",
url="https://ircv3.net/specs/extensions/message-tags.html",
standard="IRCv3",
),
CapDef(
identifier="MultiPrefix",
name="multi-prefix",
url="https://ircv3.net/specs/extensions/multi-prefix-3.1.html",
standard="IRCv3",
),
CapDef(
identifier="Relaymsg",
name="draft/relaymsg",
url="https://github.com/ircv3/ircv3-specifications/pull/417",
standard="proposed IRCv3",
),
CapDef(
identifier="ChannelRename",
name="draft/channel-rename",
url="https://ircv3.net/specs/extensions/channel-rename",
standard="draft IRCv3",
),
CapDef(
identifier="SASL",
name="sasl",
url="https://ircv3.net/specs/extensions/sasl-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="ServerTime",
name="server-time",
url="https://ircv3.net/specs/extensions/server-time-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="SetName",
name="setname",
url="https://ircv3.net/specs/extensions/setname.html",
standard="IRCv3",
),
CapDef(
identifier="STS",
name="sts",
url="https://ircv3.net/specs/extensions/sts.html",
standard="IRCv3",
),
CapDef(
identifier="UserhostInNames",
name="userhost-in-names",
url="https://ircv3.net/specs/extensions/userhost-in-names-3.2.html",
standard="IRCv3",
),
CapDef(
identifier="ZNCSelfMessage",
name="znc.in/self-message",
url="https://wiki.znc.in/Query_buffers",
standard="ZNC vendor",
),
CapDef(
identifier="EventPlayback",
name="draft/event-playback",
url="https://github.com/ircv3/ircv3-specifications/pull/362",
standard="proposed IRCv3",
),
CapDef(
identifier="ZNCPlayback",
name="znc.in/playback",
url="https://wiki.znc.in/Playback",
standard="ZNC vendor",
),
CapDef(
identifier="Nope",
name="ergo.chat/nope",
url="https://ergo.chat/nope",
standard="Ergo vendor",
),
CapDef(
identifier="Multiline",
name="draft/multiline",
url="https://github.com/ircv3/ircv3-specifications/pull/398",
standard="proposed IRCv3",
),
CapDef(
identifier="Chathistory",
name="draft/chathistory",
url="https://github.com/ircv3/ircv3-specifications/pull/393",
standard="proposed IRCv3",
),
CapDef(
identifier="AccountRegistration",
name="draft/account-registration",
url="https://github.com/ircv3/ircv3-specifications/pull/435",
standard="draft IRCv3",
),
CapDef(
identifier="ReadMarker",
name="draft/read-marker",
url="https://github.com/ircv3/ircv3-specifications/pull/489",
standard="draft IRCv3",
),
CapDef(
identifier="Persistence",
name="draft/persistence",
url="https://github.com/ircv3/ircv3-specifications/pull/503",
standard="proposed IRCv3",
),
CapDef(
identifier="Preaway",
name="draft/pre-away",
url="https://github.com/ircv3/ircv3-specifications/pull/514",
standard="proposed IRCv3",
),
CapDef(
identifier="StandardReplies",
name="standard-replies",
url="https://github.com/ircv3/ircv3-specifications/pull/506",
standard="IRCv3",
),
CapDef(
identifier="NoImplicitNames",
name="draft/no-implicit-names",
url="https://github.com/ircv3/ircv3-specifications/pull/527",
standard="proposed IRCv3",
),
CapDef(
identifier="ExtendedISupport",
name="draft/extended-isupport",
url="https://github.com/ircv3/ircv3-specifications/pull/543",
standard="proposed IRCv3",
),
CapDef(
identifier="WebPush",
name="draft/webpush",
url="https://github.com/ircv3/ircv3-specifications/pull/471",
standard="proposed IRCv3",
),
CapDef(
identifier="SojuWebPush",
name="soju.im/webpush",
url="https://github.com/ircv3/ircv3-specifications/pull/471",
standard="Soju/Goguma vendor",
),
]
def validate_defs():
CAPDEFS.sort(key=lambda d: d.name)
numCaps = len(CAPDEFS)
numNames = len(set(capdef.name for capdef in CAPDEFS))
if numCaps != numNames:
raise Exception("defs must have unique names, but found duplicates")
numIdentifiers = len(set(capdef.identifier for capdef in CAPDEFS))
if numCaps != numIdentifiers:
raise Exception("defs must have unique identifiers, but found duplicates")
def main():
validate_defs()
output = io.StringIO()
print("""
package caps
/*
WARNING: this file is autogenerated by `make capdefs`
DO NOT EDIT MANUALLY.
*/
""", file=output)
numCapabs = len(CAPDEFS)
bitsetLen = numCapabs // 32
if numCapabs % 32 > 0:
bitsetLen += 1
print ("""
const (
// number of recognized capabilities:
numCapabs = %d
// length of the uint32 array that represents the bitset:
bitsetLen = %d
)
""" % (numCapabs, bitsetLen), file=output)
print("const (", file=output)
for capdef in CAPDEFS:
print("// %s is the %s capability named \"%s\":" % (capdef.identifier, capdef.standard, capdef.name), file=output)
print("// %s" % (capdef.url,), file=output)
print("%s Capability = iota" % (capdef.identifier,), file=output)
print(file=output)
print(")", file=output)
print("// `capabilityNames[capab]` is the string name of the capability `capab`", file=output)
print("""var ( capabilityNames = [numCapabs]string{""", file=output)
for capdef in CAPDEFS:
print("\"%s\"," % (capdef.name,), file=output)
print("})", file=output)
# run the generated code through `gofmt -s`, which will print it to stdout
gofmt = subprocess.Popen(['gofmt', '-s'], stdin=subprocess.PIPE)
gofmt.communicate(input=output.getvalue().encode('utf-8'))
if gofmt.poll() != 0:
print(output.getvalue())
raise Exception("gofmt failed")
return 0
if __name__ == '__main__':
sys.exit(main())
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