dbt-selly/dbt-env/lib/python3.8/site-packages/dbt/task/init.py

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2022-03-22 15:13:27 +00:00
import os
import shutil
import dbt.config
import dbt.clients.system
from dbt.version import _get_adapter_plugin_names
from dbt.adapters.factory import load_plugin, get_include_paths
from dbt.logger import GLOBAL_LOGGER as logger
from dbt.include.starter_project import PACKAGE_PATH as starter_project_directory
from dbt.task.base import BaseTask
DOCS_URL = 'https://docs.getdbt.com/docs/configure-your-profile'
SLACK_URL = 'https://community.getdbt.com/'
# This file is not needed for the starter project but exists for finding the resource path
IGNORE_FILES = ["__init__.py", "__pycache__"]
ON_COMPLETE_MESSAGE = """
Your new dbt project "{project_name}" was created! If this is your first time
using dbt, you'll need to set up your profiles.yml file -- this file will tell dbt how
to connect to your database. You can find this file by running:
{open_cmd} {profiles_path}
For more information on how to configure the profiles.yml file,
please consult the dbt documentation here:
{docs_url}
One more thing:
Need help? Don't hesitate to reach out to us via GitHub issues or on Slack:
{slack_url}
Happy modeling!
"""
class InitTask(BaseTask):
def copy_starter_repo(self, project_name):
logger.debug("Starter project path: " + starter_project_directory)
shutil.copytree(starter_project_directory, project_name,
ignore=shutil.ignore_patterns(*IGNORE_FILES))
def create_profiles_dir(self, profiles_dir):
if not os.path.exists(profiles_dir):
msg = "Creating dbt configuration folder at {}"
logger.info(msg.format(profiles_dir))
dbt.clients.system.make_directory(profiles_dir)
return True
return False
def create_profiles_file(self, profiles_file, sample_adapter):
# Line below raises an exception if the specified adapter is not found
load_plugin(sample_adapter)
adapter_path = get_include_paths(sample_adapter)[0]
sample_profiles_path = adapter_path / 'sample_profiles.yml'
if not sample_profiles_path.exists():
logger.debug(f"No sample profile found for {sample_adapter}, skipping")
return False
if not os.path.exists(profiles_file):
msg = "With sample profiles.yml for {}"
logger.info(msg.format(sample_adapter))
shutil.copyfile(sample_profiles_path, profiles_file)
return True
return False
def get_addendum(self, project_name, profiles_path):
open_cmd = dbt.clients.system.open_dir_cmd()
return ON_COMPLETE_MESSAGE.format(
open_cmd=open_cmd,
project_name=project_name,
profiles_path=profiles_path,
docs_url=DOCS_URL,
slack_url=SLACK_URL
)
def run(self):
project_dir = self.args.project_name
sample_adapter = self.args.adapter
if not sample_adapter:
try:
# pick first one available, often postgres
sample_adapter = next(_get_adapter_plugin_names())
except StopIteration:
logger.debug("No adapters installed, skipping")
profiles_dir = dbt.config.PROFILES_DIR
profiles_file = os.path.join(profiles_dir, 'profiles.yml')
self.create_profiles_dir(profiles_dir)
if sample_adapter:
self.create_profiles_file(profiles_file, sample_adapter)
if os.path.exists(project_dir):
raise RuntimeError("directory {} already exists!".format(
project_dir
))
self.copy_starter_repo(project_dir)
addendum = self.get_addendum(project_dir, profiles_dir)
logger.info(addendum)