81b37cb7d2
refactor: clean up code to py39+ supported syntax - f-strings instead of format - latest typing support instead of pre 3.9 TitleCase - remove UTF-8 declarations. - many more changes Powered by https://github.com/asottile/pyupgrade/ + manual cleanups
99 lines
2.3 KiB
Python
99 lines
2.3 KiB
Python
import os
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import frappe
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class DbManager:
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def __init__(self, db):
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"""
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Pass root_conn here for access to all databases.
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"""
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if db:
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self.db = db
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def get_current_host(self):
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return self.db.sql("select user()")[0][0].split("@")[1]
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def create_user(self, user, password, host=None):
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# Create user if it doesn't exist.
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if not host:
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host = self.get_current_host()
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if password:
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self.db.sql(f"CREATE USER '{user}'@'{host}' IDENTIFIED BY '{password}';")
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else:
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self.db.sql(f"CREATE USER '{user}'@'{host}';")
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def delete_user(self, target, host=None):
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if not host:
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host = self.get_current_host()
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try:
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self.db.sql(f"DROP USER '{target}'@'{host}';")
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except Exception as e:
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if e.args[0] == 1396:
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pass
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else:
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raise
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def create_database(self, target):
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if target in self.get_database_list():
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self.drop_database(target)
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self.db.sql("CREATE DATABASE `%s` ;" % target)
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def drop_database(self, target):
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self.db.sql("DROP DATABASE IF EXISTS `%s`;" % target)
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def grant_all_privileges(self, target, user, host=None):
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if not host:
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host = self.get_current_host()
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if frappe.conf.get("rds_db", 0) == 1:
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self.db.sql(
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"GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, CREATE VIEW, EVENT, TRIGGER, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EXECUTE, LOCK TABLES ON `%s`.* TO '%s'@'%s';"
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% (target, user, host)
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)
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else:
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self.db.sql(f"GRANT ALL PRIVILEGES ON `{target}`.* TO '{user}'@'{host}';")
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def flush_privileges(self):
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self.db.sql("FLUSH PRIVILEGES")
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def get_database_list(self):
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"""get list of databases"""
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return [d[0] for d in self.db.sql("SHOW DATABASES")]
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@staticmethod
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def restore_database(target, source, user, password):
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from frappe.utils import make_esc
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esc = make_esc("$ ")
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from distutils.spawn import find_executable
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pv = find_executable("pv")
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if pv:
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pipe = f"{pv} {source} |"
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source = ""
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else:
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pipe = ""
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source = f"< {source}"
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if pipe:
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print("Restoring Database file...")
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command = (
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"{pipe} mysql -u {user} -p{password} -h{host} "
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+ ("-P{port}" if frappe.db.port else "")
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+ " {target} {source}"
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)
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command = command.format(
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pipe=pipe,
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user=esc(user),
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password=esc(password),
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host=esc(frappe.db.host),
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target=esc(target),
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source=source,
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port=frappe.db.port,
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)
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os.system(command)
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