manifest.py

from copy import deepcopy
from dataclasses import dataclass
from dataclasses import field
import datetime
import os
import traceback
from typing import (
    Dict,
    Optional,
    Mapping,
    Callable,
    Any,
    List,
    Type,
    Union,
    Tuple,
    Set,
)
from itertools import chain
import time

from dbt.context.query_header import generate_query_header_context
from dbt.contracts.graph.semantic_manifest import SemanticManifest
from dbt_common.events.base_types import EventLevel
from dbt_common.exceptions.base import DbtValidationError
import dbt_common.utils
import json
import pprint
from dbt.mp_context import get_mp_context
import msgpack

import dbt.exceptions
import dbt.tracking
import dbt.utils
from dbt.flags import get_flags

from dbt.adapters.factory import (
    get_adapter,
    get_relation_class_by_name,
    get_adapter_package_names,
    register_adapter,
)
from dbt.constants import (
    MANIFEST_FILE_NAME,
    PARTIAL_PARSE_FILE_NAME,
    SEMANTIC_MANIFEST_FILE_NAME,
    SECRET_ENV_PREFIX,
)
from dbt_common.helper_types import PathSet
from dbt_common.events.functions import fire_event, get_invocation_id, warn_or_error
from dbt_common.events.types import (
    Note,
)
from dbt.events.types import (
    PartialParsingErrorProcessingFile,
    PartialParsingError,
    ParsePerfInfoPath,
    PartialParsingSkipParsing,
    UnableToPartialParse,
    PartialParsingNotEnabled,
    ParsedFileLoadFailed,
    InvalidDisabledTargetInTestNode,
    NodeNotFoundOrDisabled,
    StateCheckVarsHash,
    DeprecatedModel,
    DeprecatedReference,
    SpacesInModelNameDeprecation,
    TotalModelNamesWithSpacesDeprecation,
    UpcomingReferenceDeprecation,
)
from dbt.logger import DbtProcessState
from dbt.node_types import NodeType, AccessType
from dbt.clients.jinja import get_rendered, MacroStack
from dbt.clients.jinja_static import statically_extract_macro_calls
from dbt_common.clients.system import (
    make_directory,
    path_exists,
    read_json,
    write_file,
)
from dbt.config import Project, RuntimeConfig
from dbt.context.docs import generate_runtime_docs_context
from dbt.context.macro_resolver import MacroResolver, TestMacroNamespace
from dbt.context.configured import generate_macro_context
from dbt.context.providers import ParseProvider, generate_runtime_macro_context
from dbt.contracts.files import ParseFileType, SchemaSourceFile
from dbt.parser.read_files import (
    ReadFilesFromFileSystem,
    load_source_file,
    FileDiff,
    ReadFilesFromDiff,
    ReadFiles,
)
from dbt.parser.partial import PartialParsing, special_override_macros
from dbt.contracts.graph.manifest import (
    Manifest,
    Disabled,
    MacroManifest,
    ManifestStateCheck,
    ParsingInfo,
)
from dbt.contracts.graph.nodes import (
    SourceDefinition,
    Macro,
    Exposure,
    Metric,
    SavedQuery,
    SeedNode,
    SemanticModel,
    ManifestNode,
    ResultNode,
    ModelNode,
)
from dbt.artifacts.resources import NodeRelation, NodeVersion, FileHash
from dbt.artifacts.schemas.base import Writable
from dbt.exceptions import (
    TargetNotFoundError,
    AmbiguousAliasError,
    InvalidAccessTypeError,
    scrub_secrets,
)
from dbt.parser.base import Parser
from dbt.parser.analysis import AnalysisParser
from dbt.parser.generic_test import GenericTestParser
from dbt.parser.singular_test import SingularTestParser
from dbt.parser.docs import DocumentationParser
from dbt.parser.fixtures import FixtureParser
from dbt.parser.hooks import HookParser
from dbt.parser.macros import MacroParser
from dbt.parser.models import ModelParser
from dbt.parser.schemas import SchemaParser
from dbt.parser.search import FileBlock
from dbt.parser.seeds import SeedParser
from dbt.parser.snapshots import SnapshotParser
from dbt.parser.sources import SourcePatcher
from dbt.parser.unit_tests import process_models_for_unit_test
from dbt.version import __version__

from dbt_common.dataclass_schema import StrEnum, dbtClassMixin
from dbt import plugins

from dbt_semantic_interfaces.enum_extension import assert_values_exhausted
from dbt_semantic_interfaces.type_enums import MetricType

PARSING_STATE = DbtProcessState("parsing")
PERF_INFO_FILE_NAME = "perf_info.json"


def extended_mashumaro_encoder(data):
    return msgpack.packb(data, default=extended_msgpack_encoder, use_bin_type=True)


def extended_msgpack_encoder(obj):
    if type(obj) is datetime.date:
        date_bytes = msgpack.ExtType(1, obj.isoformat().encode())
        return date_bytes
    elif type(obj) is datetime.datetime:
        datetime_bytes = msgpack.ExtType(2, obj.isoformat().encode())
        return datetime_bytes

    return obj


def extended_mashumuro_decoder(data):
    return msgpack.unpackb(data, ext_hook=extended_msgpack_decoder, raw=False)


def extended_msgpack_decoder(code, data):
    if code == 1:
        d = datetime.date.fromisoformat(data.decode())
        return d
    elif code == 2:
        dt = datetime.datetime.fromisoformat(data.decode())
        return dt
    else:
        return msgpack.ExtType(code, data)


def version_to_str(version: Optional[Union[str, int]]) -> str:
    if isinstance(version, int):
        return str(version)
    elif isinstance(version, str):
        return version

    return ""


class ReparseReason(StrEnum):
    version_mismatch = "01_version_mismatch"
    file_not_found = "02_file_not_found"
    vars_changed = "03_vars_changed"
    profile_changed = "04_profile_changed"
    deps_changed = "05_deps_changed"
    project_config_changed = "06_project_config_changed"
    load_file_failure = "07_load_file_failure"
    exception = "08_exception"
    proj_env_vars_changed = "09_project_env_vars_changed"
    prof_env_vars_changed = "10_profile_env_vars_changed"


# Part of saved performance info
@dataclass
class ParserInfo(dbtClassMixin):
    parser: str
    elapsed: float
    parsed_path_count: int = 0


# Part of saved performance info
@dataclass
class ProjectLoaderInfo(dbtClassMixin):
    project_name: str
    elapsed: float
    parsers: List[ParserInfo] = field(default_factory=list)
    parsed_path_count: int = 0


# Part of saved performance info
@dataclass
class ManifestLoaderInfo(dbtClassMixin, Writable):
    path_count: int = 0
    parsed_path_count: int = 0
    static_analysis_path_count: int = 0
    static_analysis_parsed_path_count: int = 0
    is_partial_parse_enabled: Optional[bool] = None
    is_static_analysis_enabled: Optional[bool] = None
    read_files_elapsed: Optional[float] = None
    load_macros_elapsed: Optional[float] = None
    parse_project_elapsed: Optional[float] = None
    patch_sources_elapsed: Optional[float] = None
    process_manifest_elapsed: Optional[float] = None
    load_all_elapsed: Optional[float] = None
    projects: List[ProjectLoaderInfo] = field(default_factory=list)
    _project_index: Dict[str, ProjectLoaderInfo] = field(default_factory=dict)

    def __post_serialize__(self, dct):
        del dct["_project_index"]
        return dct


# The ManifestLoader loads the manifest. The standard way to use the
# ManifestLoader is using the 'get_full_manifest' class method, but
# many tests use abbreviated processes.
class ManifestLoader:
    def __init__(
        self,
        root_project: RuntimeConfig,
        all_projects: Mapping[str, Project],
        macro_hook: Optional[Callable[[Manifest], Any]] = None,
        file_diff: Optional[FileDiff] = None,
    ) -> None:
        self.root_project: RuntimeConfig = root_project
        self.all_projects: Mapping[str, Project] = all_projects
        self.file_diff = file_diff
        self.manifest: Manifest = Manifest()
        self.new_manifest = self.manifest
        self.manifest.metadata = root_project.get_metadata()
        self.macro_resolver = None  # built after macros are loaded
        self.started_at = time.time()
        # This is a MacroQueryStringSetter callable, which is called
        # later after we set the MacroManifest in the adapter. It sets
        # up the query headers.
        self.macro_hook: Callable[[Manifest], Any]
        if macro_hook is None:
            self.macro_hook = lambda m: None
        else:
            self.macro_hook = macro_hook

        self._perf_info = self.build_perf_info()

        # State check determines whether the saved_manifest and the current
        # manifest match well enough to do partial parsing
        self.manifest.state_check = self.build_manifest_state_check()
        # We need to know if we're actually partially parsing. It could
        # have been enabled, but not happening because of some issue.
        self.partially_parsing = False
        self.partial_parser: Optional[PartialParsing] = None
        self.skip_parsing = False

        # This is a saved manifest from a previous run that's used for partial parsing
        self.saved_manifest: Optional[Manifest] = self.read_manifest_for_partial_parse()

    # This is the method that builds a complete manifest. We sometimes
    # use an abbreviated process in tests.
    @classmethod
    def get_full_manifest(
        cls,
        config: RuntimeConfig,
        *,
        file_diff: Optional[FileDiff] = None,
        reset: bool = False,
        write_perf_info=False,
    ) -> Manifest:
        adapter = get_adapter(config)  # type: ignore
        # reset is set in a TaskManager load_manifest call, since
        # the config and adapter may be persistent.
        if reset:
            config.clear_dependencies()
            adapter.clear_macro_resolver()
        macro_hook = adapter.connections.set_query_header

        flags = get_flags()
        if not flags.PARTIAL_PARSE_FILE_DIFF:
            file_diff = FileDiff.from_dict(
                {
                    "deleted": [],
                    "changed": [],
                    "added": [],
                }
            )
        # Hack to test file_diffs
        elif os.environ.get("DBT_PP_FILE_DIFF_TEST"):
            file_diff_path = "file_diff.json"
            if path_exists(file_diff_path):
                file_diff_dct = read_json(file_diff_path)
                file_diff = FileDiff.from_dict(file_diff_dct)

        with PARSING_STATE:  # set up logbook.Processor for parsing
            # Start performance counting
            start_load_all = time.perf_counter()

            projects = config.load_dependencies()
            loader = cls(
                config,
                projects,
                macro_hook=macro_hook,
                file_diff=file_diff,
            )

            manifest = loader.load()

            _check_manifest(manifest, config)
            manifest.build_flat_graph()

            # This needs to happen after loading from a partial parse,
            # so that the adapter has the query headers from the macro_hook.
            loader.save_macros_to_adapter(adapter)

            # Save performance info
            loader._perf_info.load_all_elapsed = time.perf_counter() - start_load_all
            loader.track_project_load()

            if write_perf_info:
                loader.write_perf_info(config.project_target_path)

        return manifest

    # This is where the main action happens
    def load(self) -> Manifest:
        start_read_files = time.perf_counter()

        # This updates the "files" dictionary in self.manifest, and creates
        # the partial_parser_files dictionary (see read_files.py),
        # which is a dictionary of projects to a dictionary
        # of parsers to lists of file strings. The file strings are
        # used to get the SourceFiles from the manifest files.
        saved_files = self.saved_manifest.files if self.saved_manifest else {}
        file_reader: Optional[ReadFiles] = None
        if self.file_diff:
            # We're getting files from a file diff
            file_reader = ReadFilesFromDiff(
                all_projects=self.all_projects,
                files=self.manifest.files,
                saved_files=saved_files,
                root_project_name=self.root_project.project_name,
                file_diff=self.file_diff,
            )
        else:
            # We're getting files from the file system
            file_reader = ReadFilesFromFileSystem(
                all_projects=self.all_projects,
                files=self.manifest.files,
                saved_files=saved_files,
            )

        # Set the files in the manifest and save the project_parser_files
        file_reader.read_files()
        self.manifest.files = file_reader.files
        project_parser_files = orig_project_parser_files = file_reader.project_parser_files
        self._perf_info.path_count = len(self.manifest.files)
        self._perf_info.read_files_elapsed = time.perf_counter() - start_read_files

        self.skip_parsing = False
        project_parser_files = self.safe_update_project_parser_files_partially(
            project_parser_files
        )

        if self.manifest._parsing_info is None:
            self.manifest._parsing_info = ParsingInfo()

        if self.skip_parsing:
            fire_event(PartialParsingSkipParsing())
        else:
            # Load Macros and tests
            # We need to parse the macros first, so they're resolvable when
            # the other files are loaded.  Also need to parse tests, specifically
            # generic tests
            start_load_macros = time.perf_counter()
            self.load_and_parse_macros(project_parser_files)

            # If we're partially parsing check that certain macros have not been changed
            if self.partially_parsing and self.skip_partial_parsing_because_of_macros():
                fire_event(
                    UnableToPartialParse(
                        reason="change detected to override macro. Starting full parse."
                    )
                )

                # Get new Manifest with original file records and move over the macros
                self.manifest = self.new_manifest  # contains newly read files
                project_parser_files = orig_project_parser_files
                self.partially_parsing = False
                self.load_and_parse_macros(project_parser_files)

            self._perf_info.load_macros_elapsed = time.perf_counter() - start_load_macros

            # Now that the macros are parsed, parse the rest of the files.
            # This is currently done on a per project basis.
            start_parse_projects = time.perf_counter()

            # Load the rest of the files except for schema yaml files
            parser_types: List[Type[Parser]] = [
                ModelParser,
                SnapshotParser,
                AnalysisParser,
                SingularTestParser,
                SeedParser,
                DocumentationParser,
                HookParser,
                FixtureParser,
            ]
            for project in self.all_projects.values():
                if project.project_name not in project_parser_files:
                    continue
                self.parse_project(
                    project, project_parser_files[project.project_name], parser_types
                )

            # Now that we've loaded most of the nodes (except for schema tests, sources, metrics)
            # load up the Lookup objects to resolve them by name, so the SourceFiles store
            # the unique_id instead of the name. Sources are loaded from yaml files, so
            # aren't in place yet
            self.manifest.rebuild_ref_lookup()
            self.manifest.rebuild_doc_lookup()
            self.manifest.rebuild_disabled_lookup()

            # Load yaml files
            parser_types = [SchemaParser]  # type: ignore
            for project in self.all_projects.values():
                if project.project_name not in project_parser_files:
                    continue
                self.parse_project(
                    project, project_parser_files[project.project_name], parser_types
                )

            self.cleanup_disabled()

            self._perf_info.parse_project_elapsed = time.perf_counter() - start_parse_projects

            # patch_sources converts the UnparsedSourceDefinitions in the
            # Manifest.sources to SourceDefinition via 'patch_source'
            # in SourcePatcher
            start_patch = time.perf_counter()
            patcher = SourcePatcher(self.root_project, self.manifest)
            patcher.construct_sources()
            self.manifest.sources = patcher.sources
            self._perf_info.patch_sources_elapsed = time.perf_counter() - start_patch

            # We need to rebuild disabled in order to include disabled sources
            self.manifest.rebuild_disabled_lookup()

            # copy the selectors from the root_project to the manifest
            self.manifest.selectors = self.root_project.manifest_selectors

            # inject any available external nodes
            self.manifest.build_parent_and_child_maps()
            external_nodes_modified = self.inject_external_nodes()
            if external_nodes_modified:
                self.manifest.rebuild_ref_lookup()

            # update the refs, sources, docs and metrics depends_on.nodes
            # These check the created_at time on the nodes to
            # determine whether they need processing.
            start_process = time.perf_counter()
            self.process_sources(self.root_project.project_name)
            self.process_refs(self.root_project.project_name, self.root_project.dependencies)
            self.process_unit_tests(self.root_project.project_name)
            self.process_docs(self.root_project)
            self.process_metrics(self.root_project)
            self.process_saved_queries(self.root_project)
            self.check_valid_group_config()
            self.check_valid_access_property()

            semantic_manifest = SemanticManifest(self.manifest)
            if not semantic_manifest.validate():
                raise dbt.exceptions.ParsingError("Semantic Manifest validation failed.")

            # update tracking data
            self._perf_info.process_manifest_elapsed = time.perf_counter() - start_process
            self._perf_info.static_analysis_parsed_path_count = (
                self.manifest._parsing_info.static_analysis_parsed_path_count
            )
            self._perf_info.static_analysis_path_count = (
                self.manifest._parsing_info.static_analysis_path_count
            )

        # Inject any available external nodes, reprocess refs if changes to the manifest were made.
        external_nodes_modified = False
        if self.skip_parsing:
            # If we didn't skip parsing, this will have already run because it must run
            # before process_refs. If we did skip parsing, then it's possible that only
            # external nodes have changed and we need to run this to capture that.
            self.manifest.build_parent_and_child_maps()
            external_nodes_modified = self.inject_external_nodes()
            if external_nodes_modified:
                self.manifest.rebuild_ref_lookup()
                self.process_refs(
                    self.root_project.project_name,
                    self.root_project.dependencies,
                )
                # parent and child maps will be rebuilt by write_manifest

        if not self.skip_parsing or external_nodes_modified:
            # write out the fully parsed manifest
            self.write_manifest_for_partial_parse()

        self.check_for_model_deprecations()
        self.check_for_spaces_in_model_names()

        return self.manifest

    def safe_update_project_parser_files_partially(self, project_parser_files: Dict) -> Dict:
        if self.saved_manifest is None:
            return project_parser_files

        self.partial_parser = PartialParsing(self.saved_manifest, self.manifest.files)  # type: ignore[arg-type]
        self.skip_parsing = self.partial_parser.skip_parsing()
        if self.skip_parsing:
            # nothing changed, so we don't need to generate project_parser_files
            self.manifest = self.saved_manifest  # type: ignore[assignment]
        else:
            # create child_map and parent_map
            self.saved_manifest.build_parent_and_child_maps()  # type: ignore[union-attr]
            # create group_map
            self.saved_manifest.build_group_map()  # type: ignore[union-attr]
            # files are different, we need to create a new set of
            # project_parser_files.
            try:
                project_parser_files = self.partial_parser.get_parsing_files()
                self.partially_parsing = True
                self.manifest = self.saved_manifest  # type: ignore[assignment]
            except Exception as exc:
                # pp_files should still be the full set and manifest is new manifest,
                # since get_parsing_files failed
                fire_event(
                    UnableToPartialParse(reason="an error occurred. Switching to full reparse.")
                )

                # Get traceback info
                tb_info = traceback.format_exc()
                # index last stack frame in traceback (i.e. lastest exception and its context)
                tb_last_frame = traceback.extract_tb(exc.__traceback__)[-1]
                exc_info = {
                    "traceback": tb_info,
                    "exception": tb_info.splitlines()[-1],
                    "code": tb_last_frame.line,  # if the source is not available, it is None
                    "location": f"line {tb_last_frame.lineno} in {tb_last_frame.name}",
                }

                # get file info for local logs
                parse_file_type: str = ""
                file_id = self.partial_parser.processing_file
                if file_id:
                    source_file = None
                    if file_id in self.saved_manifest.files:
                        source_file = self.saved_manifest.files[file_id]
                    elif file_id in self.manifest.files:
                        source_file = self.manifest.files[file_id]
                    if source_file:
                        parse_file_type = source_file.parse_file_type
                        fire_event(PartialParsingErrorProcessingFile(file=file_id))
                exc_info["parse_file_type"] = parse_file_type
                fire_event(PartialParsingError(exc_info=exc_info))
                # Send event
                if dbt.tracking.active_user is not None:
                    exc_info["full_reparse_reason"] = ReparseReason.exception
                    dbt.tracking.track_partial_parser(exc_info)

                if os.environ.get("DBT_PP_TEST"):
                    raise exc

        return project_parser_files

    def check_for_model_deprecations(self):
        for node in self.manifest.nodes.values():
            if isinstance(node, ModelNode):
                if (
                    node.deprecation_date
                    and node.deprecation_date < datetime.datetime.now().astimezone()
                ):
                    warn_or_error(
                        DeprecatedModel(
                            model_name=node.name,
                            model_version=version_to_str(node.version),
                            deprecation_date=node.deprecation_date.isoformat(),
                        )
                    )

                resolved_refs = self.manifest.resolve_refs(node, self.root_project.project_name)
                resolved_model_refs = [r for r in resolved_refs if isinstance(r, ModelNode)]
                node.depends_on
                for resolved_ref in resolved_model_refs:
                    if resolved_ref.deprecation_date:
                        if resolved_ref.deprecation_date < datetime.datetime.now().astimezone():
                            event_cls = DeprecatedReference
                        else:
                            event_cls = UpcomingReferenceDeprecation

                        warn_or_error(
                            event_cls(
                                model_name=node.name,
                                ref_model_package=resolved_ref.package_name,
                                ref_model_name=resolved_ref.name,
                                ref_model_version=version_to_str(resolved_ref.version),
                                ref_model_latest_version=str(resolved_ref.latest_version),
                                ref_model_deprecation_date=resolved_ref.deprecation_date.isoformat(),
                            )
                        )

    def check_for_spaces_in_model_names(self):
        """Validates that model names do not contain spaces

        If `DEBUG` flag is `False`, logs only first bad model name
        If `DEBUG` flag is `True`, logs every bad model name
        If `ALLOW_SPACES_IN_MODEL_NAMES` is `False`, logs are `ERROR` level and an exception is raised if any names are bad
        If `ALLOW_SPACES_IN_MODEL_NAMES` is `True`, logs are `WARN` level
        """
        improper_model_names = 0
        level = (
            EventLevel.WARN
            if self.root_project.args.ALLOW_SPACES_IN_MODEL_NAMES
            else EventLevel.ERROR
        )

        for node in self.manifest.nodes.values():
            if isinstance(node, ModelNode) and " " in node.name:
                if improper_model_names == 0 or self.root_project.args.DEBUG:
                    fire_event(
                        SpacesInModelNameDeprecation(
                            model_name=node.name,
                            model_version=version_to_str(node.version),
                            level=level.value,
                        ),
                        level=level,
                    )
                improper_model_names += 1

        if improper_model_names > 0:
            fire_event(
                TotalModelNamesWithSpacesDeprecation(
                    count_invalid_names=improper_model_names,
                    show_debug_hint=(not self.root_project.args.DEBUG),
                    level=level.value,
                ),
                level=level,
            )

            if level == EventLevel.ERROR:
                raise DbtValidationError("Model names cannot contain spaces")

    def load_and_parse_macros(self, project_parser_files):
        for project in self.all_projects.values():
            if project.project_name not in project_parser_files:
                continue
            parser_files = project_parser_files[project.project_name]
            if "MacroParser" in parser_files:
                parser = MacroParser(project, self.manifest)
                for file_id in parser_files["MacroParser"]:
                    block = FileBlock(self.manifest.files[file_id])
                    parser.parse_file(block)
                    # increment parsed path count for performance tracking
                    self._perf_info.parsed_path_count += 1
            # generic tests hisotrically lived in the macros directoy but can now be nested
            # in a /generic directory under /tests so we want to process them here as well
            if "GenericTestParser" in parser_files:
                parser = GenericTestParser(project, self.manifest)
                for file_id in parser_files["GenericTestParser"]:
                    block = FileBlock(self.manifest.files[file_id])
                    parser.parse_file(block)
                    # increment parsed path count for performance tracking
                    self._perf_info.parsed_path_count += 1

        self.build_macro_resolver()
        # Look at changed macros and update the macro.depends_on.macros
        self.macro_depends_on()

    # Parse the files in the 'parser_files' dictionary, for parsers listed in
    # 'parser_types'
    def parse_project(
        self,
        project: Project,
        parser_files,
        parser_types: List[Type[Parser]],
    ) -> None:

        project_loader_info = self._perf_info._project_index[project.project_name]
        start_timer = time.perf_counter()
        total_parsed_path_count = 0

        # Loop through parsers with loaded files.
        for parser_cls in parser_types:
            parser_name = parser_cls.__name__
            # No point in creating a parser if we don't have files for it
            if parser_name not in parser_files or not parser_files[parser_name]:
                continue

            # Initialize timing info
            project_parsed_path_count = 0
            parser_start_timer = time.perf_counter()

            # Parse the project files for this parser
            parser: Parser = parser_cls(project, self.manifest, self.root_project)
            for file_id in parser_files[parser_name]:
                block = FileBlock(self.manifest.files[file_id])
                if isinstance(parser, SchemaParser):
                    assert isinstance(block.file, SchemaSourceFile)
                    if self.partially_parsing:
                        dct = block.file.pp_dict
                    else:
                        dct = block.file.dict_from_yaml
                    # this is where the schema file gets parsed
                    parser.parse_file(block, dct=dct)
                    # Came out of here with UnpatchedSourceDefinition containing configs at the source level
                    # and not configs at the table level (as expected)
                else:
                    parser.parse_file(block)
                project_parsed_path_count += 1

            # Save timing info
            project_loader_info.parsers.append(
                ParserInfo(
                    parser=parser.resource_type,
                    parsed_path_count=project_parsed_path_count,
                    elapsed=time.perf_counter() - parser_start_timer,
                )
            )
            total_parsed_path_count += project_parsed_path_count

        # HookParser doesn't run from loaded files, just dbt_project.yml,
        # so do separately
        # This shouldn't need to be parsed again if we're starting from
        # a saved manifest, because that won't be allowed if dbt_project.yml
        # changed, but leave for now.
        if not self.partially_parsing and HookParser in parser_types:
            hook_parser = HookParser(project, self.manifest, self.root_project)
            path = hook_parser.get_path()
            file = load_source_file(path, ParseFileType.Hook, project.project_name, {})
            if file:
                file_block = FileBlock(file)
                hook_parser.parse_file(file_block)

        # Store the performance info
        elapsed = time.perf_counter() - start_timer
        project_loader_info.parsed_path_count = (
            project_loader_info.parsed_path_count + total_parsed_path_count
        )
        project_loader_info.elapsed += elapsed
        self._perf_info.parsed_path_count = (
            self._perf_info.parsed_path_count + total_parsed_path_count
        )

    # This should only be called after the macros have been loaded
    def build_macro_resolver(self):
        internal_package_names = get_adapter_package_names(self.root_project.credentials.type)
        self.macro_resolver = MacroResolver(
            self.manifest.macros, self.root_project.project_name, internal_package_names
        )

    # Loop through macros in the manifest and statically parse
    # the 'macro_sql' to find depends_on.macros
    def macro_depends_on(self):
        macro_ctx = generate_macro_context(self.root_project)
        macro_namespace = TestMacroNamespace(self.macro_resolver, {}, None, MacroStack(), [])
        adapter = get_adapter(self.root_project)
        db_wrapper = ParseProvider().DatabaseWrapper(adapter, macro_namespace)
        for macro in self.manifest.macros.values():
            if macro.created_at < self.started_at:
                continue
            possible_macro_calls = statically_extract_macro_calls(
                macro.macro_sql, macro_ctx, db_wrapper
            )
            for macro_name in possible_macro_calls:
                # adapter.dispatch calls can generate a call with the same name as the macro
                # it ought to be an adapter prefix (postgres_) or default_
                if macro_name == macro.name:
                    continue
                package_name = macro.package_name
                if "." in macro_name:
                    package_name, macro_name = macro_name.split(".")
                dep_macro_id = self.macro_resolver.get_macro_id(package_name, macro_name)
                if dep_macro_id:
                    macro.depends_on.add_macro(dep_macro_id)  # will check for dupes

    def write_manifest_for_partial_parse(self):
        path = os.path.join(self.root_project.project_target_path, PARTIAL_PARSE_FILE_NAME)
        try:
            # This shouldn't be necessary, but we have gotten bug reports (#3757) of the
            # saved manifest not matching the code version.
            if self.manifest.metadata.dbt_version != __version__:
                fire_event(
                    UnableToPartialParse(reason="saved manifest contained the wrong version")
                )
                self.manifest.metadata.dbt_version = __version__
            manifest_msgpack = self.manifest.to_msgpack(extended_mashumaro_encoder)
            make_directory(os.path.dirname(path))
            with open(path, "wb") as fp:
                fp.write(manifest_msgpack)
        except Exception:
            raise

    def inject_external_nodes(self) -> bool:
        # Remove previously existing external nodes since we are regenerating them
        manifest_nodes_modified = False
        # Remove all dependent nodes before removing referencing nodes
        for unique_id in self.manifest.external_node_unique_ids:
            remove_dependent_project_references(self.manifest, unique_id)
            manifest_nodes_modified = True
        for unique_id in self.manifest.external_node_unique_ids:
            # remove external nodes from manifest only after dependent project references safely removed
            self.manifest.nodes.pop(unique_id)

        # Inject any newly-available external nodes
        pm = plugins.get_plugin_manager(self.root_project.project_name)
        plugin_model_nodes = pm.get_nodes().models
        for node_arg in plugin_model_nodes.values():
            node = ModelNode.from_args(node_arg)
            # node may already exist from package or running project - in which case we should avoid clobbering it with an external node
            if node.unique_id not in self.manifest.nodes:
                self.manifest.add_node_nofile(node)
                manifest_nodes_modified = True

        return manifest_nodes_modified

    def is_partial_parsable(self, manifest: Manifest) -> Tuple[bool, Optional[str]]:
        """Compare the global hashes of the read-in parse results' values to
        the known ones, and return if it is ok to re-use the results.
        """
        valid = True
        reparse_reason = None

        if manifest.metadata.dbt_version != __version__:
            # #3757 log both versions because of reports of invalid cases of mismatch.
            fire_event(UnableToPartialParse(reason="of a version mismatch"))
            # If the version is wrong, the other checks might not work
            return False, ReparseReason.version_mismatch
        if self.manifest.state_check.vars_hash != manifest.state_check.vars_hash:
            fire_event(
                UnableToPartialParse(
                    reason="config vars, config profile, or config target have changed"
                )
            )
            fire_event(
                Note(
                    msg=f"previous checksum: {self.manifest.state_check.vars_hash.checksum}, current checksum: {manifest.state_check.vars_hash.checksum}"
                ),
                level=EventLevel.DEBUG,
            )
            valid = False
            reparse_reason = ReparseReason.vars_changed
        if self.manifest.state_check.profile_hash != manifest.state_check.profile_hash:
            # Note: This should be made more granular. We shouldn't need to invalidate
            # partial parsing if a non-used profile section has changed.
            fire_event(UnableToPartialParse(reason="profile has changed"))
            valid = False
            reparse_reason = ReparseReason.profile_changed
        if (
            self.manifest.state_check.project_env_vars_hash
            != manifest.state_check.project_env_vars_hash
        ):
            fire_event(
                UnableToPartialParse(reason="env vars used in dbt_project.yml have changed")
            )
            valid = False
            reparse_reason = ReparseReason.proj_env_vars_changed

        missing_keys = {
            k
            for k in self.manifest.state_check.project_hashes
            if k not in manifest.state_check.project_hashes
        }
        if missing_keys:
            fire_event(UnableToPartialParse(reason="a project dependency has been added"))
            valid = False
            reparse_reason = ReparseReason.deps_changed

        for key, new_value in self.manifest.state_check.project_hashes.items():
            if key in manifest.state_check.project_hashes:
                old_value = manifest.state_check.project_hashes[key]
                if new_value != old_value:
                    fire_event(UnableToPartialParse(reason="a project config has changed"))
                    valid = False
                    reparse_reason = ReparseReason.project_config_changed
        return valid, reparse_reason

    def skip_partial_parsing_because_of_macros(self):
        if not self.partial_parser:
            return False
        if self.partial_parser.deleted_special_override_macro:
            return True
        # Check for custom versions of these special macros
        for macro_name in special_override_macros:
            macro = self.macro_resolver.get_macro(None, macro_name)
            if macro and macro.package_name != "dbt":
                if (
                    macro.file_id in self.partial_parser.file_diff["changed"]
                    or macro.file_id in self.partial_parser.file_diff["added"]
                ):
                    # The file with the macro in it has changed
                    return True
        return False

    def read_manifest_for_partial_parse(self) -> Optional[Manifest]:
        flags = get_flags()
        if not flags.PARTIAL_PARSE:
            fire_event(PartialParsingNotEnabled())
            return None
        path = flags.PARTIAL_PARSE_FILE_PATH or os.path.join(
            self.root_project.project_target_path, PARTIAL_PARSE_FILE_NAME
        )

        reparse_reason = None

        if os.path.exists(path):
            try:
                with open(path, "rb") as fp:
                    manifest_mp = fp.read()
                manifest: Manifest = Manifest.from_msgpack(manifest_mp, decoder=extended_mashumuro_decoder)  # type: ignore
                # keep this check inside the try/except in case something about
                # the file has changed in weird ways, perhaps due to being a
                # different version of dbt
                is_partial_parsable, reparse_reason = self.is_partial_parsable(manifest)
                if is_partial_parsable:
                    # We don't want to have stale generated_at dates
                    manifest.metadata.generated_at = datetime.datetime.utcnow()
                    # or invocation_ids
                    manifest.metadata.invocation_id = get_invocation_id()
                    return manifest
            except Exception as exc:
                fire_event(
                    ParsedFileLoadFailed(path=path, exc=str(exc), exc_info=traceback.format_exc())
                )
                reparse_reason = ReparseReason.load_file_failure
        else:
            fire_event(
                UnableToPartialParse(reason="saved manifest not found. Starting full parse.")
            )
            reparse_reason = ReparseReason.file_not_found

        # this event is only fired if a full reparse is needed
        if dbt.tracking.active_user is not None:  # no active_user if doing load_macros
            dbt.tracking.track_partial_parser({"full_reparse_reason": reparse_reason})

        return None

    def build_perf_info(self):
        flags = get_flags()
        mli = ManifestLoaderInfo(
            is_partial_parse_enabled=flags.PARTIAL_PARSE,
            is_static_analysis_enabled=flags.STATIC_PARSER,
        )
        for project in self.all_projects.values():
            project_info = ProjectLoaderInfo(
                project_name=project.project_name,
                elapsed=0,
            )
            mli.projects.append(project_info)
            mli._project_index[project.project_name] = project_info
        return mli

    # TODO: handle --vars in the same way we handle env_var
    # https://github.com/dbt-labs/dbt-core/issues/6323
    def build_manifest_state_check(self):
        config = self.root_project
        all_projects = self.all_projects
        # if any of these change, we need to reject the parser

        # Create a FileHash of vars string, profile name and target name
        # This does not capture vars in dbt_project, just the command line
        # arg vars, but since any changes to that file will cause state_check
        # to not pass, it doesn't matter.  If we move to more granular checking
        # of env_vars, that would need to change.
        # We are using the parsed cli_vars instead of config.args.vars, in order
        # to sort them and avoid reparsing because of ordering issues.
        secret_vars = [
            v for k, v in config.cli_vars.items() if k.startswith(SECRET_ENV_PREFIX) and v.strip()
        ]
        stringified_cli_vars = pprint.pformat(config.cli_vars)
        vars_hash = FileHash.from_contents(
            "\x00".join(
                [
                    stringified_cli_vars,
                    getattr(config.args, "profile", "") or "",
                    getattr(config.args, "target", "") or "",
                    __version__,
                ]
            )
        )
        fire_event(
            StateCheckVarsHash(
                checksum=vars_hash.checksum,
                vars=scrub_secrets(stringified_cli_vars, secret_vars),
                profile=config.args.profile,
                target=config.args.target,
                version=__version__,
            )
        )

        # Create a FileHash of the env_vars in the project
        key_list = list(config.project_env_vars.keys())
        key_list.sort()
        env_var_str = ""
        for key in key_list:
            env_var_str += f"{key}:{config.project_env_vars[key]}|"
        project_env_vars_hash = FileHash.from_contents(env_var_str)

        # Create a hash of the connection_info, which user has access to in
        # jinja context. Thus attributes here may affect the parsing result.
        # Ideally we should not expose all of the connection info to the jinja.

        # Renaming this variable mean that we will have to do a whole lot more
        # change to make sure the previous manifest can be loaded correctly.
        # This is an example of naming should be chosen based on the functionality
        # rather than the implementation details.
        connection_keys = list(config.credentials.connection_info())
        # avoid reparsing because of ordering issues
        connection_keys.sort()
        profile_hash = FileHash.from_contents(pprint.pformat(connection_keys))

        # Create a FileHashes for dbt_project for all dependencies
        project_hashes = {}
        for name, project in all_projects.items():
            path = os.path.join(project.project_root, "dbt_project.yml")
            with open(path) as fp:
                project_hashes[name] = FileHash.from_contents(fp.read())

        # Create the ManifestStateCheck object
        state_check = ManifestStateCheck(
            project_env_vars_hash=project_env_vars_hash,
            vars_hash=vars_hash,
            profile_hash=profile_hash,
            project_hashes=project_hashes,
        )
        return state_check

    def save_macros_to_adapter(self, adapter):
        macro_manifest = MacroManifest(self.manifest.macros)
        adapter.set_macro_resolver(macro_manifest)
        # This executes the callable macro_hook and sets the
        # query headers
        # This executes the callable macro_hook and sets the query headers
        query_header_context = generate_query_header_context(adapter.config, macro_manifest)
        self.macro_hook(query_header_context)

    # This creates a MacroManifest which contains the macros in
    # the adapter. Only called by the load_macros call from the
    # adapter.
    def create_macro_manifest(self):
        for project in self.all_projects.values():
            # what is the manifest passed in actually used for?
            macro_parser = MacroParser(project, self.manifest)
            for path in macro_parser.get_paths():
                source_file = load_source_file(path, ParseFileType.Macro, project.project_name, {})
                block = FileBlock(source_file)
                # This does not add the file to the manifest.files,
                # but that shouldn't be necessary here.
                macro_parser.parse_file(block)
        macro_manifest = MacroManifest(self.manifest.macros)
        return macro_manifest

    # This is called by the adapter code only, to create the
    # MacroManifest that's stored in the adapter.
    # 'get_full_manifest' uses a persistent ManifestLoader while this
    # creates a temporary ManifestLoader and throws it away.
    # Not sure when this would actually get used except in tests.
    # The ManifestLoader loads macros with other files, then copies
    # into the adapter MacroManifest.
    @classmethod
    def load_macros(
        cls,
        root_config: RuntimeConfig,
        macro_hook: Callable[[Manifest], Any],
        base_macros_only=False,
    ) -> Manifest:
        with PARSING_STATE:
            # base_only/base_macros_only: for testing only,
            # allows loading macros without running 'dbt deps' first
            projects = root_config.load_dependencies(base_only=base_macros_only)

            # This creates a loader object, including result,
            # and then throws it away, returning only the
            # manifest
            loader = cls(root_config, projects, macro_hook)
            macro_manifest = loader.create_macro_manifest()

        return macro_manifest

    # Create tracking event for saving performance info
    def track_project_load(self):
        invocation_id = get_invocation_id()
        dbt.tracking.track_project_load(
            {
                "invocation_id": invocation_id,
                "project_id": self.root_project.hashed_name(),
                "path_count": self._perf_info.path_count,
                "parsed_path_count": self._perf_info.parsed_path_count,
                "read_files_elapsed": self._perf_info.read_files_elapsed,
                "load_macros_elapsed": self._perf_info.load_macros_elapsed,
                "parse_project_elapsed": self._perf_info.parse_project_elapsed,
                "patch_sources_elapsed": self._perf_info.patch_sources_elapsed,
                "process_manifest_elapsed": (self._perf_info.process_manifest_elapsed),
                "load_all_elapsed": self._perf_info.load_all_elapsed,
                "is_partial_parse_enabled": (self._perf_info.is_partial_parse_enabled),
                "is_static_analysis_enabled": self._perf_info.is_static_analysis_enabled,
                "static_analysis_path_count": self._perf_info.static_analysis_path_count,
                "static_analysis_parsed_path_count": self._perf_info.static_analysis_parsed_path_count,  # noqa: E501
            }
        )

    # Takes references in 'refs' array of nodes and exposures, finds the target
    # node, and updates 'depends_on.nodes' with the unique id
    def process_refs(self, current_project: str, dependencies: Optional[Mapping[str, Project]]):
        for node in self.manifest.nodes.values():
            if node.created_at < self.started_at:
                continue
            _process_refs(self.manifest, current_project, node, dependencies)
        for exposure in self.manifest.exposures.values():
            if exposure.created_at < self.started_at:
                continue
            _process_refs(self.manifest, current_project, exposure, dependencies)
        for metric in self.manifest.metrics.values():
            if metric.created_at < self.started_at:
                continue
            _process_refs(self.manifest, current_project, metric, dependencies)
        for semantic_model in self.manifest.semantic_models.values():
            if semantic_model.created_at < self.started_at:
                continue
            _process_refs(self.manifest, current_project, semantic_model, dependencies)
            self.update_semantic_model(semantic_model)

    # Takes references in 'metrics' array of nodes and exposures, finds the target
    # node, and updates 'depends_on.nodes' with the unique id
    def process_metrics(self, config: RuntimeConfig):
        current_project = config.project_name
        for metric in self.manifest.metrics.values():
            if metric.created_at < self.started_at:
                continue
            _process_metric_node(self.manifest, current_project, metric)
            _process_metrics_for_node(self.manifest, current_project, metric)
        for node in self.manifest.nodes.values():
            if node.created_at < self.started_at:
                continue
            _process_metrics_for_node(self.manifest, current_project, node)
        for exposure in self.manifest.exposures.values():
            if exposure.created_at < self.started_at:
                continue
            _process_metrics_for_node(self.manifest, current_project, exposure)

    def process_saved_queries(self, config: RuntimeConfig):
        """Processes SavedQuery nodes to populate their `depends_on`."""
        current_project = config.project_name
        for saved_query in self.manifest.saved_queries.values():
            # TODO:
            # 1. process `where` of SavedQuery for `depends_on`s
            # 2. process `group_by` of SavedQuery for `depends_on``
            _process_metrics_for_node(self.manifest, current_project, saved_query)

    def update_semantic_model(self, semantic_model) -> None:
        # This has to be done at the end of parsing because the referenced model
        # might have alias/schema/database fields that are updated by yaml config.
        if semantic_model.depends_on_nodes[0]:
            refd_node = self.manifest.nodes[semantic_model.depends_on_nodes[0]]
            semantic_model.node_relation = NodeRelation(
                relation_name=refd_node.relation_name,
                alias=refd_node.alias,
                schema_name=refd_node.schema,
                database=refd_node.database,
            )

    # nodes: node and column descriptions, version columns descriptions
    # sources: source and table descriptions, column descriptions
    # macros: macro argument descriptions
    # exposures: exposure descriptions
    # metrics: metric descriptions
    # semantic_models: semantic model descriptions
    def process_docs(self, config: RuntimeConfig):
        for node in self.manifest.nodes.values():
            if node.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config,
                node,
                self.manifest,
                config.project_name,
            )
            _process_docs_for_node(ctx, node)
        for source in self.manifest.sources.values():
            if source.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config,
                source,
                self.manifest,
                config.project_name,
            )
            _process_docs_for_source(ctx, source)
        for macro in self.manifest.macros.values():
            if macro.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config,
                macro,
                self.manifest,
                config.project_name,
            )
            _process_docs_for_macro(ctx, macro)
        for exposure in self.manifest.exposures.values():
            if exposure.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config,
                exposure,
                self.manifest,
                config.project_name,
            )
            _process_docs_for_exposure(ctx, exposure)
        for metric in self.manifest.metrics.values():
            if metric.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config,
                metric,
                self.manifest,
                config.project_name,
            )
            _process_docs_for_metrics(ctx, metric)
        for semantic_model in self.manifest.semantic_models.values():
            if semantic_model.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config,
                semantic_model,
                self.manifest,
                config.project_name,
            )
            _process_docs_for_semantic_model(ctx, semantic_model)
        for saved_query in self.manifest.saved_queries.values():
            if saved_query.created_at < self.started_at:
                continue
            ctx = generate_runtime_docs_context(
                config, saved_query, self.manifest, config.project_name
            )
            _process_docs_for_saved_query(ctx, saved_query)

    # Loops through all nodes and exposures, for each element in
    # 'sources' array finds the source node and updates the
    # 'depends_on.nodes' array with the unique id
    def process_sources(self, current_project: str):
        for node in self.manifest.nodes.values():
            if node.resource_type == NodeType.Source:
                continue
            assert not isinstance(node, SourceDefinition)
            if node.created_at < self.started_at:
                continue
            _process_sources_for_node(self.manifest, current_project, node)
        for exposure in self.manifest.exposures.values():
            if exposure.created_at < self.started_at:
                continue
            _process_sources_for_exposure(self.manifest, current_project, exposure)

    # Loops through all nodes, for each element in
    # 'unit_test' array finds the node and updates the
    # 'depends_on.nodes' array with the unique id
    def process_unit_tests(self, current_project: str):
        models_to_versions = None
        unit_test_unique_ids = list(self.manifest.unit_tests.keys())
        for unit_test_unique_id in unit_test_unique_ids:
            # This is because some unit tests will be removed when processing
            # and the list of unit_test_unique_ids won't have changed
            if unit_test_unique_id in self.manifest.unit_tests:
                unit_test = self.manifest.unit_tests[unit_test_unique_id]
            else:
                continue
            if unit_test.created_at < self.started_at:
                continue
            if not models_to_versions:
                models_to_versions = _build_model_names_to_versions(self.manifest)
            process_models_for_unit_test(
                self.manifest, current_project, unit_test, models_to_versions
            )

    def cleanup_disabled(self):
        # make sure the nodes are in the manifest.nodes or the disabled dict,
        # correctly now that the schema files are also parsed
        disabled_nodes = []
        for node in self.manifest.nodes.values():
            if not node.config.enabled:
                disabled_nodes.append(node.unique_id)
                self.manifest.add_disabled_nofile(node)
        for unique_id in disabled_nodes:
            self.manifest.nodes.pop(unique_id)

        disabled_copy = deepcopy(self.manifest.disabled)
        for disabled in disabled_copy.values():
            for node in disabled:
                if node.config.enabled:
                    for dis_index, dis_node in enumerate(disabled):
                        # Remove node from disabled and unique_id from disabled dict if necessary
                        del self.manifest.disabled[node.unique_id][dis_index]
                        if not self.manifest.disabled[node.unique_id]:
                            self.manifest.disabled.pop(node.unique_id)

                    self.manifest.add_node_nofile(node)

        self.manifest.rebuild_ref_lookup()

    def check_valid_group_config(self):
        manifest = self.manifest
        group_names = {group.name for group in manifest.groups.values()}

        for metric in manifest.metrics.values():
            self.check_valid_group_config_node(metric, group_names)

        for semantic_model in manifest.semantic_models.values():
            self.check_valid_group_config_node(semantic_model, group_names)

        for saved_query in manifest.saved_queries.values():
            self.check_valid_group_config_node(saved_query, group_names)

        for node in manifest.nodes.values():
            self.check_valid_group_config_node(node, group_names)

    def check_valid_group_config_node(
        self,
        groupable_node: Union[Metric, SavedQuery, SemanticModel, ManifestNode],
        valid_group_names: Set[str],
    ):
        groupable_node_group = groupable_node.group
        if groupable_node_group and groupable_node_group not in valid_group_names:
            raise dbt.exceptions.ParsingError(
                f"Invalid group '{groupable_node_group}', expected one of {sorted(list(valid_group_names))}",
                node=groupable_node,
            )

    def check_valid_access_property(self):
        for node in self.manifest.nodes.values():
            if (
                isinstance(node, ModelNode)
                and node.access == AccessType.Public
                and node.get_materialization() == "ephemeral"
            ):
                raise InvalidAccessTypeError(
                    unique_id=node.unique_id,
                    field_value=node.access,
                    materialization=node.get_materialization(),
                )

    def write_perf_info(self, target_path: str):
        path = os.path.join(target_path, PERF_INFO_FILE_NAME)
        write_file(path, json.dumps(self._perf_info, cls=dbt.utils.JSONEncoder, indent=4))
        fire_event(ParsePerfInfoPath(path=path))


def invalid_target_fail_unless_test(
    node,
    target_name: str,
    target_kind: str,
    target_package: Optional[str] = None,
    target_version: Optional[NodeVersion] = None,
    disabled: Optional[bool] = None,
    should_warn_if_disabled: bool = True,
):
    if node.resource_type == NodeType.Test:
        if disabled:
            event = InvalidDisabledTargetInTestNode(
                resource_type_title=node.resource_type.title(),
                unique_id=node.unique_id,
                original_file_path=node.original_file_path,
                target_kind=target_kind,
                target_name=target_name,
                target_package=target_package if target_package else "",
            )

            fire_event(event, EventLevel.WARN if should_warn_if_disabled else None)
        else:
            warn_or_error(
                NodeNotFoundOrDisabled(
                    original_file_path=node.original_file_path,
                    unique_id=node.unique_id,
                    resource_type_title=node.resource_type.title(),
                    target_name=target_name,
                    target_kind=target_kind,
                    target_package=target_package if target_package else "",
                    disabled=str(disabled),
                )
            )
    else:
        raise TargetNotFoundError(
            node=node,
            target_name=target_name,
            target_kind=target_kind,
            target_package=target_package,
            target_version=target_version,
            disabled=disabled,
        )


def _build_model_names_to_versions(manifest: Manifest) -> Dict[str, Dict]:
    model_names_to_versions: Dict[str, Dict] = {}
    for node in manifest.nodes.values():
        if node.resource_type != NodeType.Model:
            continue
        if not node.is_versioned:
            continue
        if node.package_name not in model_names_to_versions:
            model_names_to_versions[node.package_name] = {}
        if node.name not in model_names_to_versions[node.package_name]:
            model_names_to_versions[node.package_name][node.name] = []
        model_names_to_versions[node.package_name][node.name].append(node.unique_id)
    return model_names_to_versions


def _check_resource_uniqueness(
    manifest: Manifest,
    config: RuntimeConfig,
) -> None:
    alias_resources: Dict[str, ManifestNode] = {}
    name_resources: Dict[str, Dict] = {}

    for resource, node in manifest.nodes.items():
        if not node.is_relational:
            continue

        if node.package_name not in name_resources:
            name_resources[node.package_name] = {"ver": {}, "unver": {}}
        if node.is_versioned:
            name_resources[node.package_name]["ver"][node.name] = node
        else:
            name_resources[node.package_name]["unver"][node.name] = node

        # the full node name is really defined by the adapter's relation
        relation_cls = get_relation_class_by_name(config.credentials.type)
        relation = relation_cls.create_from(quoting=config, relation_config=node)  # type: ignore[arg-type]
        full_node_name = str(relation)

        existing_alias = alias_resources.get(full_node_name)
        if existing_alias is not None:
            raise AmbiguousAliasError(
                node_1=existing_alias, node_2=node, duped_name=full_node_name
            )

        alias_resources[full_node_name] = node

    for ver_unver_dict in name_resources.values():
        versioned_names = ver_unver_dict["ver"].keys()
        unversioned_names = ver_unver_dict["unver"].keys()
        intersection_versioned = set(versioned_names).intersection(set(unversioned_names))
        if intersection_versioned:
            for name in intersection_versioned:
                versioned_node = ver_unver_dict["ver"][name]
                unversioned_node = ver_unver_dict["unver"][name]
                raise dbt.exceptions.DuplicateVersionedUnversionedError(
                    versioned_node, unversioned_node
                )


def _warn_for_unused_resource_config_paths(manifest: Manifest, config: RuntimeConfig) -> None:
    resource_fqns: Mapping[str, PathSet] = manifest.get_resource_fqns()
    disabled_fqns: PathSet = frozenset(
        tuple(n.fqn) for n in list(chain.from_iterable(manifest.disabled.values()))
    )
    config.warn_for_unused_resource_config_paths(resource_fqns, disabled_fqns)


def _check_manifest(manifest: Manifest, config: RuntimeConfig) -> None:
    _check_resource_uniqueness(manifest, config)
    _warn_for_unused_resource_config_paths(manifest, config)


DocsContextCallback = Callable[[ResultNode], Dict[str, Any]]


# node and column descriptions
def _process_docs_for_node(
    context: Dict[str, Any],
    node: ManifestNode,
):
    node.description = get_rendered(node.description, context)
    for column_name, column in node.columns.items():
        column.description = get_rendered(column.description, context)


# source and table descriptions, column descriptions
def _process_docs_for_source(
    context: Dict[str, Any],
    source: SourceDefinition,
):
    table_description = source.description
    source_description = source.source_description
    table_description = get_rendered(table_description, context)
    source_description = get_rendered(source_description, context)
    source.description = table_description
    source.source_description = source_description

    for column in source.columns.values():
        column_desc = column.description
        column_desc = get_rendered(column_desc, context)
        column.description = column_desc


# macro argument descriptions
def _process_docs_for_macro(context: Dict[str, Any], macro: Macro) -> None:
    macro.description = get_rendered(macro.description, context)
    for arg in macro.arguments:
        arg.description = get_rendered(arg.description, context)


# exposure descriptions
def _process_docs_for_exposure(context: Dict[str, Any], exposure: Exposure) -> None:
    exposure.description = get_rendered(exposure.description, context)


def _process_docs_for_metrics(context: Dict[str, Any], metric: Metric) -> None:
    metric.description = get_rendered(metric.description, context)


def _process_docs_for_semantic_model(
    context: Dict[str, Any], semantic_model: SemanticModel
) -> None:
    if semantic_model.description:
        semantic_model.description = get_rendered(semantic_model.description, context)

    for dimension in semantic_model.dimensions:
        if dimension.description:
            dimension.description = get_rendered(dimension.description, context)

    for measure in semantic_model.measures:
        if measure.description:
            measure.description = get_rendered(measure.description, context)

    for entity in semantic_model.entities:
        if entity.description:
            entity.description = get_rendered(entity.description, context)


def _process_docs_for_saved_query(context: Dict[str, Any], saved_query: SavedQuery) -> None:
    if saved_query.description:
        saved_query.description = get_rendered(saved_query.description, context)


def _process_refs(
    manifest: Manifest, current_project: str, node, dependencies: Optional[Mapping[str, Project]]
) -> None:
    """Given a manifest and node in that manifest, process its refs"""

    dependencies = dependencies or {}

    if isinstance(node, SeedNode):
        return

    for ref in node.refs:
        target_model: Optional[Union[Disabled, ManifestNode]] = None
        target_model_name: str = ref.name
        target_model_package: Optional[str] = ref.package
        target_model_version: Optional[NodeVersion] = ref.version

        if len(ref.positional_args) < 1 or len(ref.positional_args) > 2:
            raise dbt.exceptions.DbtInternalError(
                f"Refs should always be 1 or 2 arguments - got {len(ref.positional_args)}"
            )

        target_model = manifest.resolve_ref(
            node,
            target_model_name,
            target_model_package,
            target_model_version,
            current_project,
            node.package_name,
        )

        if target_model is None or isinstance(target_model, Disabled):
            # This may raise. Even if it doesn't, we don't want to add
            # this exposure to the graph b/c there is no destination exposure
            node.config.enabled = False
            invalid_target_fail_unless_test(
                node=node,
                target_name=target_model_name,
                target_kind="node",
                target_package=target_model_package,
                target_version=target_model_version,
                disabled=(isinstance(target_model, Disabled)),
                should_warn_if_disabled=False,
            )

            continue
        elif manifest.is_invalid_private_ref(node, target_model, dependencies):
            raise dbt.exceptions.DbtReferenceError(
                unique_id=node.unique_id,
                ref_unique_id=target_model.unique_id,
                access=AccessType.Private,
                scope=dbt_common.utils.cast_to_str(target_model.group),
            )
        elif manifest.is_invalid_protected_ref(node, target_model, dependencies):
            raise dbt.exceptions.DbtReferenceError(
                unique_id=node.unique_id,
                ref_unique_id=target_model.unique_id,
                access=AccessType.Protected,
                scope=target_model.package_name,
            )

        target_model_id = target_model.unique_id
        node.depends_on.add_node(target_model_id)


def _process_metric_depends_on(
    manifest: Manifest,
    current_project: str,
    metric: Metric,
) -> None:
    """For a given metric, set the `depends_on` property"""

    assert len(metric.type_params.input_measures) > 0
    for input_measure in metric.type_params.input_measures:
        target_semantic_model = manifest.resolve_semantic_model_for_measure(
            target_measure_name=input_measure.name,
            current_project=current_project,
            node_package=metric.package_name,
        )
        if target_semantic_model is None:
            raise dbt.exceptions.ParsingError(
                f"A semantic model having a measure `{input_measure.name}` does not exist but was referenced.",
                node=metric,
            )
        if target_semantic_model.config.enabled is False:
            raise dbt.exceptions.ParsingError(
                f"The measure `{input_measure.name}` is referenced on disabled semantic model `{target_semantic_model.name}`.",
                node=metric,
            )

        metric.depends_on.add_node(target_semantic_model.unique_id)


def _process_metric_node(
    manifest: Manifest,
    current_project: str,
    metric: Metric,
) -> None:
    """Sets a metric's `input_measures` and `depends_on` properties"""

    # This ensures that if this metrics input_measures have already been set
    # we skip the work. This could happen either due to recursion or if multiple
    # metrics derive from another given metric.
    # NOTE: This does not protect against infinite loops
    if len(metric.type_params.input_measures) > 0:
        return

    if metric.type is MetricType.SIMPLE or metric.type is MetricType.CUMULATIVE:
        assert (
            metric.type_params.measure is not None
        ), f"{metric} should have a measure defined, but it does not."
        metric.add_input_measure(metric.type_params.measure)
        _process_metric_depends_on(
            manifest=manifest, current_project=current_project, metric=metric
        )
    elif metric.type is MetricType.CONVERSION:
        conversion_type_params = metric.type_params.conversion_type_params
        assert (
            conversion_type_params
        ), f"{metric.name} is a conversion metric and must have conversion_type_params defined."
        metric.add_input_measure(conversion_type_params.base_measure)
        metric.add_input_measure(conversion_type_params.conversion_measure)
        _process_metric_depends_on(
            manifest=manifest, current_project=current_project, metric=metric
        )
    elif metric.type is MetricType.DERIVED or metric.type is MetricType.RATIO:
        input_metrics = metric.input_metrics
        if metric.type is MetricType.RATIO:
            if metric.type_params.numerator is None or metric.type_params.denominator is None:
                raise dbt.exceptions.ParsingError(
                    "Invalid ratio metric. Both a numerator and denominator must be specified",
                    node=metric,
                )
            input_metrics = [metric.type_params.numerator, metric.type_params.denominator]

        for input_metric in input_metrics:
            target_metric = manifest.resolve_metric(
                target_metric_name=input_metric.name,
                target_metric_package=None,
                current_project=current_project,
                node_package=metric.package_name,
            )

            if target_metric is None:
                raise dbt.exceptions.ParsingError(
                    f"The metric `{input_metric.name}` does not exist but was referenced.",
                    node=metric,
                )
            elif isinstance(target_metric, Disabled):
                raise dbt.exceptions.ParsingError(
                    f"The metric `{input_metric.name}` is disabled and thus cannot be referenced.",
                    node=metric,
                )

            _process_metric_node(
                manifest=manifest, current_project=current_project, metric=target_metric
            )
            for input_measure in target_metric.type_params.input_measures:
                metric.add_input_measure(input_measure)
            metric.depends_on.add_node(target_metric.unique_id)
    else:
        assert_values_exhausted(metric.type)


def _process_metrics_for_node(
    manifest: Manifest,
    current_project: str,
    node: Union[ManifestNode, Metric, Exposure, SavedQuery],
):
    """Given a manifest and a node in that manifest, process its metrics"""

    metrics: List[List[str]]
    if isinstance(node, SeedNode):
        return
    elif isinstance(node, SavedQuery):
        metrics = [[metric] for metric in node.metrics]
    else:
        metrics = node.metrics

    for metric in metrics:
        target_metric: Optional[Union[Disabled, Metric]] = None
        target_metric_name: str
        target_metric_package: Optional[str] = None

        if len(metric) == 1:
            target_metric_name = metric[0]
        elif len(metric) == 2:
            target_metric_package, target_metric_name = metric
        else:
            raise dbt.exceptions.DbtInternalError(
                f"Metric references should always be 1 or 2 arguments - got {len(metric)}"
            )

        target_metric = manifest.resolve_metric(
            target_metric_name,
            target_metric_package,
            current_project,
            node.package_name,
        )

        if target_metric is None or isinstance(target_metric, Disabled):
            # This may raise. Even if it doesn't, we don't want to add
            # this node to the graph b/c there is no destination node
            node.config.enabled = False
            invalid_target_fail_unless_test(
                node=node,
                target_name=target_metric_name,
                target_kind="metric",
                target_package=target_metric_package,
                disabled=(isinstance(target_metric, Disabled)),
            )
            continue

        target_metric_id = target_metric.unique_id

        node.depends_on.add_node(target_metric_id)


def remove_dependent_project_references(manifest, external_node_unique_id):
    for child_id in manifest.child_map[external_node_unique_id]:
        node = manifest.expect(child_id)
        # child node may have been modified and already recreated its depends_on.nodes list
        if external_node_unique_id in node.depends_on_nodes:
            node.depends_on_nodes.remove(external_node_unique_id)
        node.created_at = time.time()


def _process_sources_for_exposure(manifest: Manifest, current_project: str, exposure: Exposure):
    target_source: Optional[Union[Disabled, SourceDefinition]] = None
    for source_name, table_name in exposure.sources:
        target_source = manifest.resolve_source(
            source_name,
            table_name,
            current_project,
            exposure.package_name,
        )
        if target_source is None or isinstance(target_source, Disabled):
            exposure.config.enabled = False
            invalid_target_fail_unless_test(
                node=exposure,
                target_name=f"{source_name}.{table_name}",
                target_kind="source",
                disabled=(isinstance(target_source, Disabled)),
            )
            continue
        target_source_id = target_source.unique_id
        exposure.depends_on.add_node(target_source_id)


def _process_sources_for_metric(manifest: Manifest, current_project: str, metric: Metric):
    target_source: Optional[Union[Disabled, SourceDefinition]] = None
    for source_name, table_name in metric.sources:
        target_source = manifest.resolve_source(
            source_name,
            table_name,
            current_project,
            metric.package_name,
        )
        if target_source is None or isinstance(target_source, Disabled):
            metric.config.enabled = False
            invalid_target_fail_unless_test(
                node=metric,
                target_name=f"{source_name}.{table_name}",
                target_kind="source",
                disabled=(isinstance(target_source, Disabled)),
            )
            continue
        target_source_id = target_source.unique_id
        metric.depends_on.add_node(target_source_id)


def _process_sources_for_node(manifest: Manifest, current_project: str, node: ManifestNode):
    if isinstance(node, SeedNode):
        return

    target_source: Optional[Union[Disabled, SourceDefinition]] = None
    for source_name, table_name in node.sources:
        target_source = manifest.resolve_source(
            source_name,
            table_name,
            current_project,
            node.package_name,
        )

        if target_source is None or isinstance(target_source, Disabled):
            # this follows the same pattern as refs
            node.config.enabled = False
            invalid_target_fail_unless_test(
                node=node,
                target_name=f"{source_name}.{table_name}",
                target_kind="source",
                disabled=(isinstance(target_source, Disabled)),
            )
            continue
        target_source_id = target_source.unique_id
        node.depends_on.add_node(target_source_id)


# This is called in task.rpc.sql_commands when a "dynamic" node is
# created in the manifest, in 'add_refs'
def process_macro(config: RuntimeConfig, manifest: Manifest, macro: Macro) -> None:
    ctx = generate_runtime_docs_context(
        config,
        macro,
        manifest,
        config.project_name,
    )
    _process_docs_for_macro(ctx, macro)


# This is called in task.rpc.sql_commands when a "dynamic" node is
# created in the manifest, in 'add_refs'
def process_node(config: RuntimeConfig, manifest: Manifest, node: ManifestNode):
    _process_sources_for_node(manifest, config.project_name, node)
    _process_refs(manifest, config.project_name, node, config.dependencies)
    ctx = generate_runtime_docs_context(config, node, manifest, config.project_name)
    _process_docs_for_node(ctx, node)


def write_semantic_manifest(manifest: Manifest, target_path: str) -> None:
    path = os.path.join(target_path, SEMANTIC_MANIFEST_FILE_NAME)
    semantic_manifest = SemanticManifest(manifest)
    semantic_manifest.write_json_to_file(path)


def write_manifest(manifest: Manifest, target_path: str, which: Optional[str] = None):
    file_name = MANIFEST_FILE_NAME
    path = os.path.join(target_path, file_name)
    manifest.write(path)

    write_semantic_manifest(manifest=manifest, target_path=target_path)


def parse_manifest(runtime_config, write_perf_info, write, write_json):
    register_adapter(runtime_config, get_mp_context())
    adapter = get_adapter(runtime_config)
    adapter.set_macro_context_generator(generate_runtime_macro_context)
    manifest = ManifestLoader.get_full_manifest(
        runtime_config,
        write_perf_info=write_perf_info,
    )

    if write and write_json:
        write_manifest(manifest, runtime_config.project_target_path)
        pm = plugins.get_plugin_manager(runtime_config.project_name)
        plugin_artifacts = pm.get_manifest_artifacts(manifest)
        for path, plugin_artifact in plugin_artifacts.items():
            plugin_artifact.write(path)
    return manifest