from __future__ import division import time import pickle import json import os import getpass import threading import errno import sqlite3 class DataManager(object): # handles user data, puts a .botany dir in user's home dir (OSX/Linux) # handles shared data with sqlite db # TODO: .dat save should only happen on mutation, water, death, exit, # harvest, otherwise # data hasn't changed... # can write json whenever bc this isn't ever read for data within botany user_dir = os.path.expanduser("~") botany_dir = os.path.join(user_dir,'.botany') game_dir = os.path.dirname(os.path.realpath(__file__)) this_user = getpass.getuser() savefile_name = this_user + '_plant.dat' savefile_path = os.path.join(botany_dir, savefile_name) #set this.savefile_path to guest_garden path garden_db_path = os.path.join(game_dir, 'sqlite/garden_db.sqlite') garden_json_path = os.path.join(game_dir, 'garden_file.json') harvest_file_path = os.path.join(botany_dir, 'harvest_file.dat') harvest_json_path = os.path.join(botany_dir, 'harvest_file.json') def __init__(self): self.this_user = getpass.getuser() # check if instance is already running # check for .botany dir in home try: os.makedirs(self.botany_dir) except OSError as exception: if exception.errno != errno.EEXIST: raise self.savefile_name = self.this_user + '_plant.dat' def check_plant(self): # check for existing save file if os.path.isfile(self.savefile_path): return True else: return False def start_threads(self,this_plant): # creates threads to save files every minute death_check_thread = threading.Thread(target=self.death_check_update, args=(this_plant,)) death_check_thread.daemon = True death_check_thread.start() autosave_thread = threading.Thread(target=self.autosave, args=(this_plant,)) autosave_thread.daemon = True autosave_thread.start() def death_check_update(self,this_plant): # .1 second updates and lock to minimize race condition while True: is_dead = this_plant.dead_check() if is_dead: self.save_plant(this_plant) self.data_write_json(this_plant) self.update_garden_db(this_plant) self.harvest_plant(this_plant) this_plant.unlock_new_creation() time.sleep(.1) def autosave(self, this_plant): # running on thread, saves plant every 5s TODO: this is unnecessary # and breaks shit probably file_update_count = 0 while True: file_update_count += 1 self.save_plant(this_plant) self.data_write_json(this_plant) self.update_garden_db(this_plant) if file_update_count == 12: # only update garden json every 60s self.update_garden_json() time.sleep(5) file_update_count %= 12 def load_plant(self): # load savefile with open(self.savefile_path, 'rb') as f: this_plant = pickle.load(f) # migrate data structure to create data for empty/nonexistent plant # properties this_plant.migrate_properties() # get status since last login is_dead = this_plant.dead_check() is_watered = this_plant.water_check() if not is_dead: if is_watered: time_delta_last = int(time.time()) - this_plant.last_time ticks_to_add = min(time_delta_last, 24*3600) this_plant.time_delta_watered = 0 self.last_water_gain = time.time() else: ticks_to_add = 0 this_plant.ticks += ticks_to_add return this_plant def plant_age_convert(self,this_plant): # human-readable plant age age_seconds = int(time.time()) - this_plant.start_time days, age_seconds = divmod(age_seconds, 24 * 60 * 60) hours, age_seconds = divmod(age_seconds, 60 * 60) minutes, age_seconds = divmod(age_seconds, 60) age_formatted = ("%dd:%dh:%dm:%ds" % (days, hours, minutes, age_seconds)) return age_formatted def init_database(self): # check if dir exists, create sqlite directory and set OS permissions to 777 sqlite_dir_path = os.path.join(self.game_dir,'sqlite') if not os.path.exists(sqlite_dir_path): os.makedirs(sqlite_dir_path) os.chmod(sqlite_dir_path, 0777) conn = sqlite3.connect(self.garden_db_path) init_table_string = """CREATE TABLE IF NOT EXISTS garden ( plant_id tinytext PRIMARY KEY, owner text, description text, age text, score integer, is_dead numeric )""" c = conn.cursor() c.execute(init_table_string) conn.close() # init only, creates and sets permissions for garden db and json if os.stat(self.garden_db_path).st_uid == os.getuid(): os.chmod(self.garden_db_path, 0666) open(self.garden_json_path, 'a').close() os.chmod(self.garden_json_path, 0666) def migrate_database(self): conn = sqlite3.connect(self.garden_db_path) migrate_table_string = """CREATE TABLE IF NOT EXISTS visitors ( id integer PRIMARY KEY, garden_name text, visitor_name text, weekly_visits integer )""" c = conn.cursor() c.execute(migrate_table_string) conn.close() return True def update_garden_db(self, this_plant): # insert or update this plant id's entry in DB # TODO: make sure other instances of user are deleted # Could create a clean db function self.init_database() self.migrate_database() age_formatted = self.plant_age_convert(this_plant) conn = sqlite3.connect(self.garden_db_path) c = conn.cursor() # try to insert or replace update_query = """INSERT OR REPLACE INTO garden ( plant_id, owner, description, age, score, is_dead ) VALUES ( '{pid}', '{pown}', '{pdes}', '{page}', {psco}, {pdead} ) """.format(pid = this_plant.plant_id, pown = this_plant.owner, pdes = this_plant.parse_plant(), page = age_formatted, psco = str(this_plant.ticks), pdead = int(this_plant.dead)) c.execute(update_query) conn.commit() conn.close() def retrieve_garden_from_db(self): # Builds a dict of dicts from garden sqlite db garden_dict = {} conn = sqlite3.connect(self.garden_db_path) # Need to allow write permissions by others conn.row_factory = sqlite3.Row c = conn.cursor() c.execute('SELECT * FROM garden ORDER BY owner') tuple_list = c.fetchall() conn.close() # Building dict from table rows for item in tuple_list: garden_dict[item[0]] = { "owner":item[1], "description":item[2], "age":item[3], "score":item[4], "dead":item[5], } return garden_dict def update_garden_json(self): this_garden = self.retrieve_garden_from_db() with open(self.garden_json_path, 'w') as outfile: json.dump(this_garden, outfile) pass def save_plant(self, this_plant): # create savefile this_plant.last_time = int(time.time()) temp_path = self.savefile_path + ".temp" with open(temp_path, 'wb') as f: pickle.dump(this_plant, f, protocol=2) os.rename(temp_path, self.savefile_path) def data_write_json(self, this_plant): # create personal json file for user to use outside of the game (website?) json_file = os.path.join(self.botany_dir,self.this_user + '_plant_data.json') # also updates age age_formatted = self.plant_age_convert(this_plant) plant_info = { "owner":this_plant.owner, "description":this_plant.parse_plant(), "age":age_formatted, "score":this_plant.ticks, "is_dead":this_plant.dead, "last_watered":this_plant.watered_timestamp, "file_name":this_plant.file_name, "stage": this_plant.stage_list[this_plant.stage], "generation": this_plant.generation, } if this_plant.stage >= 3: plant_info["rarity"] = this_plant.rarity_list[this_plant.rarity] if this_plant.mutation != 0: plant_info["mutation"] = this_plant.mutation_list[this_plant.mutation] if this_plant.stage >= 4: plant_info["color"] = this_plant.color_list[this_plant.color] if this_plant.stage >= 2: plant_info["species"] = this_plant.species_list[this_plant.species] with open(json_file, 'w') as outfile: json.dump(plant_info, outfile) def harvest_plant(self, this_plant): # TODO: plant history feature - could just use a sqlite query to retrieve all of user's dead plants # harvest is a dict of dicts # harvest contains one entry for each plant id age_formatted = self.plant_age_convert(this_plant) this_plant_id = this_plant.plant_id plant_info = { "description":this_plant.parse_plant(), "age":age_formatted, "score":this_plant.ticks, } if os.path.isfile(self.harvest_file_path): # harvest file exists: load data with open(self.harvest_file_path, 'rb') as f: this_harvest = pickle.load(f) new_file_check = False else: this_harvest = {} new_file_check = True this_harvest[this_plant_id] = plant_info # dump harvest file temp_path = self.harvest_file_path + ".temp" with open(temp_path, 'wb') as f: pickle.dump(this_harvest, f, protocol=2) os.rename(temp_path, self.harvest_file_path) # dump json file with open(self.harvest_json_path, 'w') as outfile: json.dump(this_harvest, outfile) return new_file_check