diff --git a/machines/gerd/services/lldap/bootstrap/attributes.py b/machines/gerd/services/lldap/bootstrap/attributes.py
new file mode 100644
index 0000000..d7b6790
--- /dev/null
+++ b/machines/gerd/services/lldap/bootstrap/attributes.py
@@ -0,0 +1,171 @@
+from typing import Any
+
+import gql
+from gql.dsl import DSLQuery, DSLSchema, dsl_gql, DSLMutation
+from gql.transport.aiohttp import AIOHTTPTransport
+
+from pprint import pprint
+import re
+
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+def to_camelcase(s):
+    s = re.sub(r"(_|-)+", " ", s).title().replace(" ", "").replace("*", "")
+    return "".join([s[0].lower(), s[1:]])
+
+
+def to_snakecase(s):
+    return re.sub(r"(?<!^)(?=[A-Z])", "_", s).lower()
+
+
+class AttributeTypes:
+    STRING = "STRING"
+    INTEGER = "INTEGER"
+    JPEG_PHOTO = "JPEG_PHOTO"
+    DATE_TIME = "DATE_TIME"
+
+
+class AttributeSchema:
+    def __init__(self, raw_vals: dict[str, Any]):
+        self.name: str = raw_vals["name"]
+        self.attributeType: str = raw_vals["attributeType"]
+        self.isList: bool = bool(raw_vals["isList"])
+        self.isVisible: bool = bool(raw_vals["isVisible"])
+        self.isEditable: bool = bool(raw_vals["isEditable"])
+        self.isReadonly: bool = bool(raw_vals["isReadonly"])
+        self.isHardcoded: bool = bool(raw_vals["isHardcoded"])
+
+    def __repr__(self):
+        return f"<AttributeSchema name={self.name} attributeType={self.attributeType} isList={self.isList} isVisible={self.isVisible} isEditable={self.isEditable} isReadonly={self.isReadonly} isHardcoded={self.isHardcoded} />"
+
+
+class AttributeValue:
+    def __init__(self, raw_attribute: dict[str, Any]):
+        self.name: str = raw_attribute["name"]
+
+        tmpValue = raw_attribute.get("value", [])
+        if isinstance(tmpValue, str):
+            tmpValue = [tmpValue]
+
+        self.value: list[str] = tmpValue
+
+    def __repr__(self):
+        return f"<AttributeValue name={self.name} value={self.value} />"
+
+
+class LLDAPAttributes:
+    def __init__(
+        self,
+        client: gql.Client,
+        using_user_attributes: bool = False,
+        using_group_attributes: bool = False,
+    ):
+        self._client = client
+
+        self._using_user_attributes = using_user_attributes
+        self._using_group_attributes = using_group_attributes
+
+        if self._using_user_attributes and self._using_group_attributes:
+            raise Exception("can not both use user attributes and group attributes")
+
+        if not self._using_user_attributes and not self._using_group_attributes:
+            raise Exception("neither user attributes and group attributes specified")
+
+    def list_all(self) -> dict[str, AttributeSchema]:
+        ds = DSLSchema(self._client.schema)
+
+        if self._using_user_attributes:
+            querySchema = ds.Schema.userSchema
+            querySchemaStr = "userSchema"
+        else:
+            querySchema = ds.Schema.groupSchema
+            querySchemaStr = "groupSchema"
+
+        query = dsl_gql(
+            DSLQuery(
+                ds.Query.schema().select(
+                    querySchema.select(
+                        ds.AttributeList.attributes.select(
+                            ds.AttributeSchema.name,
+                            ds.AttributeSchema.attributeType,
+                            ds.AttributeSchema.isList,
+                            ds.AttributeSchema.isVisible,
+                            ds.AttributeSchema.isEditable,
+                            ds.AttributeSchema.isReadonly,
+                            ds.AttributeSchema.isHardcoded,
+                        )
+                    )
+                ),
+            ),
+        )
+
+        result = self._client.execute(query)
+
+        attrs: dict[str, AttributeSchema] = {}
+        for raw_attribute in result["schema"][querySchemaStr]["attributes"]:
+            attr = AttributeSchema(raw_attribute)
+            attrs[attr.name] = attr
+
+        return attrs
+
+    def create(
+        self,
+        name: str,
+        attributeType: str,
+        isList: bool,
+        isVisible: bool,
+        isEditable: bool,
+    ):
+        logger.debug(
+            f"adding attribute, name:'{name}' attributeType:'{attributeType}' isList:'{isList}' isVisible:'{isVisible}' isEditable:'{isEditable}'"
+        )
+
+        ds = DSLSchema(self._client.schema)
+
+        if self._using_user_attributes:
+            mutationSchema = ds.Mutation.addUserAttribute
+        else:
+            mutationSchema = ds.Mutation.addGroupAttribute
+
+        query = dsl_gql(
+            DSLMutation(
+                mutationSchema.args(
+                    name=name,
+                    attributeType=attributeType,
+                    isList=isList,
+                    isVisible=isVisible,
+                    isEditable=isEditable,
+                ).select(ds.Success.ok)
+            ),
+        )
+        self._client.execute(query)
+
+    def get(self, name: str) -> AttributeSchema | None:
+        attrs = self.list_all()
+        return attrs.get(name)
+
+    def update(self, name: str):
+        raise Exception("unable to update attribute")
+
+    def delete(self, name: str):
+        logger.debug(f"deleting attribute '{name}'")
+
+        ds = DSLSchema(self._client.schema)
+
+        if self._using_user_attributes:
+            mutationSchema = ds.Mutation.deleteUserAttribute
+        else:
+            mutationSchema = ds.Mutation.deleteGroupAttribute
+
+        query = dsl_gql(
+            DSLMutation(
+                mutationSchema.args(
+                    name=name,
+                ).select(ds.Success.ok)
+            ),
+        )
+        self._client.execute(query)
diff --git a/machines/gerd/services/lldap/bootstrap/groups.py b/machines/gerd/services/lldap/bootstrap/groups.py
new file mode 100644
index 0000000..63e13c8
--- /dev/null
+++ b/machines/gerd/services/lldap/bootstrap/groups.py
@@ -0,0 +1,136 @@
+from typing import Any
+import re
+
+import gql
+from gql.dsl import DSLQuery, DSLSchema, dsl_gql, DSLMutation
+from gql.transport.aiohttp import AIOHTTPTransport
+
+from .utils import to_camelcase, to_snakecase
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class Group:
+    def __init__(
+        self,
+        raw_attrs: list[dict[str, str]],
+    ):
+        self._attributes: dict[str, Any] = {
+            item["name"]: item["value"] for item in raw_attrs
+        }
+
+        self.groupId: int = int(self.__getattr__("groupId")[0])
+        self.name: str = self.__getattr__("displayName")[0]
+
+    def _attributes_camelcase(self) -> dict[str, str]:
+        return {to_camelcase(k): v for k, v in self._attributes.items()}
+
+    def __getattr__(self, key: str):
+        return self._attributes_camelcase().get(key, "")
+
+    def __repr__(self):
+        return f"<Group groupId={self.groupId} name={self.name} />"
+
+
+class LLDAPGroups:
+    def __init__(self, client: gql.Client):
+        self._client = client
+
+    def list_all(self) -> dict[str, Group]:
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLQuery(
+                ds.Query.groups().select(
+                    ds.Group.attributes.select(
+                        ds.AttributeValue.name,
+                        ds.AttributeValue.value,
+                        ds.AttributeValue.schema.select(
+                            ds.AttributeSchema.isHardcoded,
+                        ),
+                    ),
+                ),
+            ),
+        )
+
+        result = self._client.execute(query)
+
+        groups: dict[str, Group] = {}
+        for group in result["groups"]:
+            g = Group(
+                raw_attrs=group.get("attributes", []),
+            )
+            groups[g.name] = g
+
+        return groups
+
+    def create(self, groupName: str):
+        logger.debug(f"creating group with name '{groupName}'")
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.createGroup.args(
+                    name=groupName,
+                ).select(ds.Group.displayName)
+            ),
+        )
+        self._client.execute(query)
+
+    def get_by_name(self, groupName: str) -> Group | None:
+        groups = self.list_all()
+        return groups.get(groupName)
+
+    def get_by_id(self, groupId: int) -> Group | None:
+        groups = self.list_all()
+        for group in groups.values():
+            if group.groupId == groupId:
+                return group
+
+        return None
+
+    def name_to_id(self, groupName: str) -> int:
+        group = self.get_by_name(groupName)
+        if not group:
+            raise Exception(f"no group with the name {groupName}")
+
+        return group.groupId
+
+    def update(self, groupId: int, attrs: dict[str, str | list[str]]):
+        insertAttributes: list[dict[str, str | list[str]]] = []
+        for k, v in attrs.items():
+            if isinstance(v, str):
+                v = [v]
+
+            insertAttributes.append({"name": to_snakecase(k), "value": v})
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.updateGroup.args(
+                    group={
+                        "id": groupId,
+                        "insertAttributes": insertAttributes,
+                    },
+                ).select(ds.Success.ok),
+            ),
+        )
+        self._client.execute(query)
+
+    def delete(self, groupId: int):
+        logger.debug(f"deleting group with id '{groupId}'")
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.deleteGroup.args(
+                    groupId=groupId,
+                ).select(ds.Success.ok),
+            ),
+        )
+        self._client.execute(query)
+
+    def test(self):
+        self.list_all()
+        # self.update("testusername", {"displayName": "Test User Name"})
diff --git a/machines/gerd/services/lldap/bootstrap/main.py b/machines/gerd/services/lldap/bootstrap/main.py
new file mode 100644
index 0000000..f7aa028
--- /dev/null
+++ b/machines/gerd/services/lldap/bootstrap/main.py
@@ -0,0 +1,287 @@
+#!/usr/bin/env nix-shell
+#!nix-shell --pure --keep LLDAP_TOKEN -i python3 -p "python3.withPackages (ps: with ps; [ requests gql aiohttp])"
+
+from typing import Any
+import subprocess
+import secrets
+import json
+import os
+
+import gql
+from gql.dsl import DSLQuery, DSLSchema, dsl_gql, DSLMutation
+from gql.transport.aiohttp import AIOHTTPTransport
+from pprint import pprint
+
+
+from .users import LLDAPUsers
+from .groups import LLDAPGroups
+from .attributes import LLDAPAttributes
+
+import logging
+
+logging.basicConfig()
+logging.getLogger("lldapbootstrap").setLevel(logging.DEBUG)
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.DEBUG)
+
+
+class LLDAP:
+    def __init__(self, server_url: str, auth_token: str):
+        self._server_url: str = server_url
+        self._server_auth_token: str = auth_token
+
+        self._client: gql.Client = self._init_gql_client()
+
+        self._users = LLDAPUsers(self._client)
+        self._groups = LLDAPGroups(self._client)
+        self._attrsUser = LLDAPAttributes(self._client, using_user_attributes=True)
+        self._attrsGroup = LLDAPAttributes(self._client, using_group_attributes=True)
+
+    def _init_gql_client(self) -> gql.Client:
+        # Select your transport with a defined url endpoint
+        transport = AIOHTTPTransport(
+            url=f"{self._server_url}/api/graphql",
+            headers={"Authorization": f"Bearer {self._server_auth_token}"},
+        )
+
+        # Create a GraphQL client using the defined transport
+        client = gql.Client(transport=transport, fetch_schema_from_transport=True)
+
+        # force fetch schema
+        query = gql.gql(
+            """
+            query {
+            users {
+                displayName
+            }
+            }
+        """
+        )
+        result = client.execute(query)
+
+        return client
+
+    def _run_ensure_attrs_user(self, attrsClass, neededAttrsUser: list[dict[str, Any]]):
+        dictNeededAttrUser = {v["name"]: v for v in neededAttrsUser}
+        remoteAttrs = attrsClass.list_all()
+
+        # add needed attributes
+        for neededAttr in neededAttrsUser:
+            neededAttrName = neededAttr["name"]
+
+            if neededAttrName in remoteAttrs:
+                cattr = remoteAttrs[neededAttrName]
+                if (
+                    neededAttr["attributeType"] != cattr.attributeType
+                    or neededAttr["isEditable"] != cattr.isEditable
+                    or neededAttr["isList"] != cattr.isList
+                    or neededAttr["isVisible"] != cattr.isVisible
+                ):
+                    logger.debug(
+                        f"attribute '{neededAttrName}' out of sync, deleting and adding again"
+                    )
+                    attrsClass.delete(neededAttrName)
+                else:
+                    continue
+
+            attrsClass.create(
+                neededAttrName,
+                attributeType=neededAttr["attributeType"],
+                isEditable=neededAttr["isEditable"],
+                isList=neededAttr["isList"],
+                isVisible=neededAttr["isVisible"],
+            )
+
+        # remove unneeded attributes
+        for remoteAttrName, remoteAttr in remoteAttrs.items():
+            # skip hardcoded ones
+            if remoteAttr.isHardcoded:
+                continue
+
+            if remoteAttrName not in dictNeededAttrUser:
+                attrsClass.delete(remoteAttrName)
+
+    def _run_ensure_groups(self, neededGroups: list[dict[str, Any]]):
+        tmpNeededGroups = {v["display_name"]: v for v in neededGroups}
+        remoteGroups = self._groups.list_all()
+
+        for neededGroup in neededGroups:
+            neededGroupDisplay_Name = neededGroup["display_name"]
+
+            if neededGroupDisplay_Name not in remoteGroups:
+                self._groups.create(neededGroupDisplay_Name)
+
+                # refresh groups
+                remoteGroups = self._groups.list_all()
+
+            remoteGroup = remoteGroups[neededGroupDisplay_Name]
+
+            # we cannot update the display name, and we never would anyways
+            del neededGroup["display_name"]
+
+            self._groups.update(remoteGroup.groupId, neededGroup)
+
+        # delete unused groups
+        for remoteGroupName, remoteGroup in remoteGroups.items():
+            # skip all lldap_ groups
+            if remoteGroupName.startswith("lldap_"):
+                continue
+
+            if remoteGroupName not in tmpNeededGroups:
+                self._groups.delete(remoteGroup.groupId)
+
+    def _run_ensure_users(
+        self,
+        neededUsers: list[dict[str, Any]],
+        softDelete: bool = True,
+    ):
+        tmpNeededUsers = {v["user_id"]: v for v in neededUsers}
+        remoteUsers = self._users.list_all()
+
+        for neededUser in neededUsers:
+            # get required info from dict, and DELETE from dict
+            # while we're at it. This means that we can safely use
+            # `neededUser` for updating later
+            neededUserId = neededUser.pop("user_id")
+            neededUserGroups = neededUser.pop("groups", [])
+            neededUserPassword: str | None = neededUser.pop("password", None)
+
+            # create user if needed
+            if neededUserId not in remoteUsers:
+                self._users.create(
+                    neededUserId,
+                    neededUser.get("mail", "no-email-specified"),
+                )
+
+                # refresh users
+                remoteUsers = self._users.list_all()
+
+            # update user
+            self._users.update(neededUserId, neededUser)
+
+            # set correct groups
+            remoteUser = remoteUsers[neededUserId]
+
+            # print warning about groups attribute
+            if neededUserGroups:
+                logger.info(
+                    f"using attribute 'groups' for userId '{neededUserId}', for setting groups, NOT SETTING AS ATTRIBUTE!!"
+                )
+
+            # add to correct groups
+            for groupName in neededUserGroups:
+                if groupName not in remoteUser.groups:
+                    self._users.add_group(
+                        neededUserId,
+                        self._groups.name_to_id(groupName),
+                    )
+
+            # remove from unused groups
+            for groupName, group in remoteUser.groups.items():
+                if groupName not in neededUserGroups:
+                    self._users.remove_group(
+                        neededUserId,
+                        self._groups.name_to_id(groupName),
+                    )
+
+            if neededUserPassword:
+                logger.info(
+                    f"using attribute 'password' for userId '{neededUserId}', for setting password, NOT SETTING AS ATTRIBUTE!!"
+                )
+
+                if neededUserPassword.startswith("file:"):
+                    passwordFile = neededUserPassword[len("file:") :]
+                    logger.debug(
+                        f"reading password from file from file '{passwordFile}' for user '{neededUserId}'"
+                    )
+
+                    self._user_set_password(
+                        neededUserId,
+                        open(passwordFile, "r").read().strip(),
+                    )
+                elif neededUserPassword.startswith("env:"):
+                    cleanedPasswordEnv = neededUserPassword.strip()[len("env:") :]
+                    logger.debug(
+                        f"reading password from envvar '{cleanedPasswordEnv}' for user '{neededUserId}'"
+                    )
+
+                    password = os.getenv(cleanedPasswordEnv)
+                    if not password:
+                        raise Exception(
+                            f"could not find env '{cleanedPasswordEnv}' for getting password"
+                        )
+                    self._user_set_password(
+                        neededUserId,
+                        password.strip(),
+                    )
+                else:
+                    logger.debug(
+                        f"using the raw value of password, as the password for user '{neededUserId}'"
+                    )
+                    self._user_set_password(
+                        neededUserId,
+                        neededUserPassword.strip(),
+                    )
+
+        # delete unused users
+        for remoteUserName, remoteUser in remoteUsers.items():
+            if remoteUserName not in tmpNeededUsers:
+                if softDelete:
+                    self._user_disable(remoteUserName)
+                else:
+                    self._users.delete(remoteUser.userId)
+
+    def _user_disable(self, userId: str, disabled_group_name: str = "disabled"):
+        user = self._users.get(userId)
+        if not user:
+            return
+
+        # remove all groups
+        for groupName, groupId in user.groups.items():
+            if groupName == disabled_group_name:
+                continue
+
+            self._users.remove_group(userId, groupId)
+
+        # if disabled group is in the users groups, then return
+        if disabled_group_name in user.groups:
+            return
+
+        # ensure group exists
+        groups = self._groups.list_all()
+        if disabled_group_name not in groups:
+            self._groups.create(disabled_group_name)
+
+        # add disabled group
+        self._users.add_group(userId, self._groups.name_to_id(disabled_group_name))
+
+        # set password to a long string
+        self._user_set_password(userId, secrets.token_urlsafe(128))
+
+    def _user_set_password(self, userId: str, password: str):
+        subprocess.check_output(
+            [
+                "lldap_set_password",
+                f"--base-url={self._server_url}",
+                f"--token={self._server_auth_token}",
+                f"--username={userId}",
+                f"--password={password}",
+            ]
+        )
+
+    def run(self):
+        data = json.load(open("test2.json", "r"))
+
+        self._run_ensure_attrs_user(self._attrsUser, data["user_attributes"])
+        self._run_ensure_attrs_user(self._attrsGroup, data["group_attributes"])
+        self._run_ensure_groups(data["groups"])
+        self._run_ensure_users(data["users"])
+
+
+if __name__ == "__main__":
+    auth_token = os.getenv("LLDAP_TOKEN")
+    if not auth_token:
+        raise Exception("No LLDAP_TOKEN provided. please set")
+
+    x = LLDAP("https://ldap.fricloud.dk", auth_token)
+    x.run()
diff --git a/machines/gerd/services/lldap/bootstrap/users.py b/machines/gerd/services/lldap/bootstrap/users.py
new file mode 100644
index 0000000..b52a835
--- /dev/null
+++ b/machines/gerd/services/lldap/bootstrap/users.py
@@ -0,0 +1,154 @@
+from typing import Any
+import re
+
+import gql
+from gql.dsl import DSLQuery, DSLSchema, dsl_gql, DSLMutation
+from gql.transport.aiohttp import AIOHTTPTransport
+
+from .utils import to_camelcase, to_snakecase
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class User:
+    def __init__(
+        self,
+        raw_groups: list[dict[str, Any]],
+        raw_attrs: list[dict[str, str]],
+    ):
+        self._attributes: dict[str, Any] = {
+            item["name"]: item["value"] for item in raw_attrs
+        }
+
+        self.groups: dict[str, int] = {
+            info["displayName"]: info["id"] for info in raw_groups
+        }
+        self.userId: str = self.__getattr__("userId")[0]
+        self.email: str = self.__getattr__("mail")[0]
+
+    def _attributes_camelcase(self) -> dict[str, str]:
+        return {to_camelcase(k): v for k, v in self._attributes.items()}
+
+    def __getattr__(self, key: str):
+        return self._attributes_camelcase().get(key, "")
+
+
+class LLDAPUsers:
+    def __init__(self, client: gql.Client):
+        self._client = client
+
+    def list_all(self) -> dict[str, User]:
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLQuery(
+                ds.Query.users().select(
+                    ds.User.groups.select(
+                        ds.Group.id,
+                        ds.Group.displayName,
+                    ),
+                    ds.User.attributes.select(
+                        ds.AttributeValue.name,
+                        ds.AttributeValue.value,
+                        ds.AttributeValue.schema.select(
+                            ds.AttributeSchema.isHardcoded,
+                        ),
+                    ),
+                ),
+            ),
+        )
+
+        result = self._client.execute(query)
+
+        users: dict[str, User] = {}
+        for user in result["users"]:
+            u = User(
+                raw_groups=user.get("groups", []),
+                raw_attrs=user.get("attributes", []),
+            )
+            users[u.userId] = u
+
+        return users
+
+    def create(self, userId: str, email: str):
+        logger.debug(f"creating user with name '{userId}' and email '{email}'")
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.createUser.args(
+                    user={"id": userId, "email": email},
+                ).select(ds.User.displayName)
+            ),
+        )
+        self._client.execute(query)
+
+    def get(self, userId: str):
+        users = self.list_all()
+        return users.get(userId)
+
+    def update(self, userId: str, attrs: dict[str, str | list[str]]):
+        insertAttributes: list[dict[str, str | list[str]]] = []
+        for k, v in attrs.items():
+            if isinstance(v, str):
+                v = [v]
+
+            insertAttributes.append({"name": to_snakecase(k), "value": v})
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.updateUser.args(
+                    user={
+                        "id": userId,
+                        "insertAttributes": insertAttributes,
+                    },
+                ).select(ds.Success.ok),
+            ),
+        )
+        self._client.execute(query)
+
+    def delete(self, userId: str):
+        logger.debug(f"deleting user with name '{userId}'")
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.deleteUser.args(
+                    userId=userId,
+                ).select(ds.Success.ok),
+            ),
+        )
+        self._client.execute(query)
+
+    # groups
+    def add_group(self, userId: str, groupId: int):
+        logger.debug(f"adding user '{userId}' to group '{groupId}'")
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.addUserToGroup.args(
+                    userId=userId,
+                    groupId=groupId,
+                ).select(ds.Success.ok)
+            ),
+        )
+
+        self._client.execute(query)
+
+    def remove_group(self, userId: str, groupId: int):
+        logger.debug(f"removing user '{userId}' from group '{groupId}'")
+
+        ds = DSLSchema(self._client.schema)
+        query = dsl_gql(
+            DSLMutation(
+                ds.Mutation.removeUserFromGroup.args(
+                    userId=userId,
+                    groupId=groupId,
+                ).select(ds.Success.ok)
+            ),
+        )
+
+        self._client.execute(query)
diff --git a/machines/gerd/services/lldap/bootstrap/utils.py b/machines/gerd/services/lldap/bootstrap/utils.py
new file mode 100644
index 0000000..32dc0bf
--- /dev/null
+++ b/machines/gerd/services/lldap/bootstrap/utils.py
@@ -0,0 +1,10 @@
+import re
+
+
+def to_camelcase(s):
+    s = re.sub(r"(_|-)+", " ", s).title().replace(" ", "").replace("*", "")
+    return "".join([s[0].lower(), s[1:]])
+
+
+def to_snakecase(s):
+    return re.sub(r"(?<!^)(?=[A-Z])", "_", s).lower()