├── LICENSE ├── README.md ├── Screen Shot 2018-04-27 at 16.16.33.png ├── Screen Shot 2018-04-27 at 16.16.52.png ├── Screen Shot 2018-04-27 at 16.26.59.png ├── Screen Shot 2018-05-02 at 23.05.38.png ├── gekkoBots.py ├── multiple-papertraders-example.txt ├── saved_bots-example.txt ├── server_credentials_api.json └── short_utm.py /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # gekko-python 2 | Command-Line Interface tool to control a Gekko server via API calls. 3 | 4 | Requirements: Python3. pip install: click, PrettyTable. 5 | 6 | SEE WIKI FOR USAGE 7 | https://github.com/CyborgDroid/gekko-python/wiki/Controlling-Gekko-Bots 8 | -------------------------------------------------------------------------------- /Screen Shot 2018-04-27 at 16.16.33.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CyborgDroid/gekko-python/ee337d4f2d5b26e07681df7a0ff3cc6d3e7dd7b6/Screen Shot 2018-04-27 at 16.16.33.png -------------------------------------------------------------------------------- /Screen Shot 2018-04-27 at 16.16.52.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CyborgDroid/gekko-python/ee337d4f2d5b26e07681df7a0ff3cc6d3e7dd7b6/Screen Shot 2018-04-27 at 16.16.52.png -------------------------------------------------------------------------------- /Screen Shot 2018-04-27 at 16.26.59.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CyborgDroid/gekko-python/ee337d4f2d5b26e07681df7a0ff3cc6d3e7dd7b6/Screen Shot 2018-04-27 at 16.26.59.png -------------------------------------------------------------------------------- /Screen Shot 2018-05-02 at 23.05.38.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CyborgDroid/gekko-python/ee337d4f2d5b26e07681df7a0ff3cc6d3e7dd7b6/Screen Shot 2018-05-02 at 23.05.38.png -------------------------------------------------------------------------------- /gekkoBots.py: -------------------------------------------------------------------------------- 1 | import json, codecs 2 | import requests, urllib3 3 | import time 4 | import click 5 | from short_utm import UniversalTableMethods as utm 6 | 7 | #when running self-signed SSL certs on a VPS, ignore warnings in console: 8 | urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) 9 | 10 | class gekkoServer(object): 11 | def __init__(self, server): 12 | self.get_server_info(server) 13 | self.gekkos = self.get_gekkos() 14 | self.scansets = [] 15 | 16 | def get_scansets(self): 17 | response = self.api_calls(type='post', call='scansets') 18 | if response.status_code == 200: 19 | data = response.json()['datasets'] 20 | return data 21 | 22 | #NOT WORKING AT ALL 23 | def start_imports_for_gaps(self): 24 | self.scansets = self.get_scansets() 25 | for d in self.scansets: 26 | print(d['asset']) 27 | print(d) 28 | from_values = [r['from'] for r in d['ranges']] 29 | to_values = [r['to'] for r in d['ranges']] 30 | print('from values: ', from_values) 31 | print('to values: ', to_values) 32 | print('Max: ', max([r['to'] for r in d['ranges']])) 33 | 34 | def import_data(self, exchange, currency, asset, from_date, to_date): 35 | conf = {"watch":{ 36 | "exchange":exchange, 37 | "currency":currency, 38 | "asset":asset}, 39 | "importer":{ 40 | "daterange":{ 41 | "from": from_date, #"2018-03-19 04:35" 42 | "to": to_date }}, #"2018-04-05 04:38" 43 | "candleWriter":{"enabled":True}} 44 | response = self.api_calls(type='post', call='import', data=conf) 45 | 46 | def start_from_file(self, file_name): 47 | with open(file_name, 'r') as f: 48 | d = json.load(f) 49 | f.close() 50 | #start all watchers first 51 | [self.start_watcher(x['exchange'], x['currency'], x['asset']) for x in d if x['type'] == 'watcher'] 52 | #start all tradebots now 53 | [self.start_trader(x['exchange'], x['currency'], x['asset'], x['candleSize'], x['historySize'], x['strat_name'], x['strat_settings']) for x in d if x['type'] == 'tradebot'] 54 | #start all paper traders 55 | [self.start_papertrader(x['exchange'], x['currency'], x['asset'], x['candleSize'], x['historySize'], x['strat_name'], x['strat_settings']) for x in d if x['type'] == 'paper trader'] 56 | 57 | 58 | def save_gekkos(self, gekko_list_id): 59 | watchers = [ 60 | {'type': w['type'], 'exchange': w['watch']['exchange'], 'asset': w['watch']['asset'], 'currency': w['watch']['currency']} for w in self.gekkos if w['type'] == 'watcher'] 61 | tradebots = [ 62 | {'type': w['trader'], 'exchange': w['watch']['exchange'], 'asset': w['watch']['asset'], 'currency': w['watch']['currency'], 63 | 'strat_name': w['strat']['name'], 'candleSize': w['strat']['tradingAdvisor']['candleSize'], 'historySize': w['strat']['tradingAdvisor']['historySize'], 64 | 'strat_settings': w['strat']['params']} for w in self.gekkos if w['type'] == 'leech' and w['trader'] == 'tradebot'] 65 | papertraders = [ 66 | {'type': w['paper trader'], 'exchange': w['watch']['exchange'], 'asset': w['watch']['asset'], 'currency': w['watch']['currency'], 67 | 'strat_name': w['strat']['name'], 'candleSize': w['strat']['tradingAdvisor']['candleSize'], 'historySize': w['strat']['tradingAdvisor']['historySize'], 68 | 'strat_settings': w['strat']['params']} for w in self.gekkos if w['type'] == 'leech' and w['trader'] == 'paper trader'] 69 | # ****** ADD PAPER TRADERS HERE TO SAVE 70 | watchers.extend(tradebots) 71 | watchers.extend(papertraders) 72 | with open('saved_bots-' + gekko_list_id + '.txt', 'wb') as f: 73 | json.dump(watchers, codecs.getwriter('utf-8')(f), sort_keys = True, indent = 4, ensure_ascii=False) 74 | f.close() 75 | return 'saved_bots-' + gekko_list_id + '.txt' 76 | 77 | def get_server_info(self, server): 78 | # ######################## 79 | # server_credentials_api.json file structure: 80 | # (for protecting your website with login credentials) 81 | # [{ 82 | # "server_addr" : "https://123.456.789/api/", 83 | # "username" : "myuser", 84 | # "password" : "mypassword" 85 | # }] 86 | ############################ 87 | if server == 'VPS': 88 | data = json.load(open('server_credentials_api.json', 'r')) 89 | self.api_url = data[0]['server_addr'] 90 | self.u_name = data[0]['username'] 91 | self.p_word = data[0]['password'] 92 | elif server == 'localhost': 93 | self.api_url = 'http://localhost:3000/api/' 94 | 95 | def api_calls(self, type='get', call='gekkos', data={}): 96 | data = json.dumps(data) 97 | header = { 98 | 'Accept-Encoding': 'gzip, deflate, br', 99 | 'Content-Type': 'application/json' 100 | } 101 | if type == 'get': 102 | if 'localhost' in self.api_url: 103 | response = requests.get(self.api_url + call, data=data, headers=header) 104 | else: 105 | response = requests.get(self.api_url + call, data=data, headers=header, verify=False, auth=(self.u_name, self.p_word)) 106 | elif type == 'post': 107 | if 'localhost' in self.api_url: 108 | response = requests.post(self.api_url + call, data=data, headers=header) 109 | #print(response.request.body) 110 | else: 111 | response = requests.post(self.api_url + call, data=data, headers=header, verify=False, auth=(self.u_name, self.p_word)) 112 | return response 113 | 114 | def get_gekkos(self): 115 | response = self.api_calls('get', 'gekkos') 116 | if response.status_code == 200: 117 | data = response.json() 118 | return data 119 | 120 | def kill_gekko(self, id_to_kill): 121 | gekko_ids = [d['id'] for d in self.gekkos] 122 | def killer(x): 123 | if x in gekko_ids: 124 | response = self.api_calls('post','killGekko', {'id':x}) 125 | if response.status_code == 200: 126 | print('************* ', x, ' Gekko killed', response.json()) 127 | else: 128 | print('************* kill failed', response) 129 | else: 130 | print('******* ' + id_to_kill, ' not in list of gekko ids ' , gekko_ids , '*******' ) 131 | if id_to_kill == "all": 132 | [killer(d['id']) for d in self.gekkos] 133 | else: 134 | killer(id_to_kill) 135 | self.gekkos = self.get_gekkos() 136 | 137 | def start_all(self): 138 | self.scansets = self.get_scansets() 139 | [self.start_watcher(i['exchange'], i['currency'], i['asset']) for i in self.scansets] 140 | 141 | def start_papertrader(self, exchange, currency, asset, candleSize, historySize, strat_name, strat_settings): 142 | #create conf file 143 | conf= {"market":{"type":"leech"}, 144 | "mode":"realtime", 145 | "watch":{ 146 | "exchange":exchange, 147 | "currency":currency, 148 | "asset":asset 149 | }, 150 | "tradingAdvisor":{ 151 | "enabled":True, 152 | "method":strat_name, 153 | "candleSize":candleSize, 154 | "historySize":historySize 155 | }, 156 | strat_name: strat_settings, 157 | "candleWriter":{"enabled":True,"adapter":"sqlite"}, 158 | "type":"paper trader", 159 | "performanceAnalyzer":{"riskFreeReturn":2,"enabled":True}, 160 | "paperTrader":{"feeMaker":0.05,"feeTaker":0.05,"feeUsing":"maker","slippage":0,"simulationBalance":{"asset":0,"currency":1},"reportRoundtrips":True,"enabled":True}} 161 | #check if watcher already exists: 162 | # flattened_gekkos = [utm.flatten_json(x) for x in self.gekkos] 163 | # matching_leeches = [w for w in flattened_gekkos if w['type'] == 'leech' and w['watch.exchange'] == exchange and w['watch.currency'] == currency and w['watch.asset'] == asset] 164 | # if matching_leeches: 165 | # utm.print_lod('Paper trader or trader already active: ', utm.filter_lod_keys(['trader', 'type', 'watch.exchange', 'watch.currency', 'watch.asset', 'id'],matching_leeches)) 166 | # else: 167 | self.start_config(conf) 168 | 169 | def start_watcher(self, exchange, currency, asset): 170 | conf = { 171 | "type":"market watcher", 172 | "mode":"realtime", 173 | "watch":{ 174 | "exchange":exchange, 175 | "currency":currency, 176 | "asset":asset 177 | }, 178 | "candleWriter":{"enabled":True, "adapter":"sqlite"} 179 | } 180 | matching_watchers=False 181 | if self.gekkos: 182 | flattened_gekkos = [utm.flatten_json(x) for x in self.gekkos] 183 | matching_watchers = [w for w in flattened_gekkos if w['type'] == 'watcher' and w['watch.exchange'] == exchange and w['watch.currency'] == currency and w['watch.asset'] == asset] 184 | if matching_watchers: 185 | utm.print_lod('watcher already active: ', utm.filter_lod_keys(['trader', 'type', 'watch.exchange', 'watch.currency', 'watch.asset', 'id'],matching_watchers)) 186 | else: 187 | self.start_config(conf) 188 | 189 | 190 | def start_trader(self, exchange, currency, asset, candleSize, historySize, strat_name, strat_settings): 191 | #create conf file 192 | conf= {"market":{"type":"leech"}, 193 | "mode":"realtime", 194 | "watch":{ 195 | "exchange":exchange, 196 | "currency":currency, 197 | "asset":asset 198 | }, 199 | "tradingAdvisor":{ 200 | "enabled":True, 201 | "method":strat_name, 202 | "candleSize":candleSize, 203 | "historySize":historySize 204 | }, 205 | strat_name: strat_settings, 206 | "candleWriter":{"enabled":True,"adapter":"sqlite"}, 207 | "type":"tradebot", 208 | "performanceAnalyzer":{"riskFreeReturn":2,"enabled":True}, 209 | "trader":{"enabled":True},"valid":True} 210 | #check if trader already exists: 211 | flattened_gekkos = [utm.flatten_json(x) for x in self.gekkos] 212 | matching_leeches = [w for w in flattened_gekkos if w['type'] == 'leech' and w['watch.exchange'] == exchange and w['watch.currency'] == currency and w['watch.asset'] == asset] 213 | if matching_leeches: 214 | utm.print_lod('Trader or paper trader already active: ', utm.filter_lod_keys(['trader', 'type', 'watch.exchange', 'watch.currency', 'watch.asset', 'id'],matching_leeches)) 215 | else: 216 | self.start_config(conf) 217 | 218 | def start_config(self, config): 219 | header = { 220 | 'Accept-Encoding': 'gzip, deflate, br', 221 | 'Content-Type': 'application/json' 222 | } 223 | try: 224 | self.api_calls(type='post', call='startGekko', data=config) 225 | time.sleep(2) 226 | self.gekkos = self.get_gekkos() 227 | except Exception as e: 228 | print('EXCEPTION:', e) 229 | 230 | @click.command() 231 | @click.option('--server', help='"localhost" or "VPS"') 232 | @click.option('--kill', help='id of gekko to kill, or "all"') 233 | @click.option('--start', help='"filename.txt" starts all saved gekkos in file. "all" starts watchers for imports ("all" NOT WORKING).') 234 | @click.option('--save', help='Save current gekkos for later. Specify gekko file identifier to distinguish from other saves.') 235 | @click.option('--import_all', help='set to "true" to import all missing data in databases') 236 | def init_Gekko(server='localhost' ,kill=False, start=False, save=False, import_all=False): 237 | if server == 'VPS' or server == 'localhost': 238 | srv = gekkoServer(server) 239 | else: 240 | srv = gekkoServer('localhost') 241 | if kill: 242 | srv.kill_gekko(kill) 243 | if import_all: 244 | srv.start_imports_for_gaps() 245 | if start: 246 | srv.scansets = srv.get_scansets() 247 | if start == 'all': 248 | srv.start_all() 249 | else: 250 | srv.start_from_file(start) 251 | #print gekko info: 252 | if srv.gekkos and len(srv.gekkos) > 0: 253 | gekkos = [utm.flatten_json(x) for x in srv.gekkos] 254 | gekkos = utm.filter_lod_keys(['trader', 'type', 'watch.exchange', 'watch.currency', 'watch.asset', 'id', 'startAt'], gekkos) 255 | gekkos = utm.fill_in_missing_keys_in_lod(gekkos) 256 | utm.print_lod( "****************** RUNNING GEKKOS *******************", gekkos) 257 | if save: 258 | print('GEKKOS SAVED TO: ', srv.save_gekkos(save)) 259 | else: 260 | print('****************** NO GEKKOS RUNNING *******************') 261 | 262 | if __name__ == '__main__': 263 | init_Gekko() 264 | -------------------------------------------------------------------------------- /multiple-papertraders-example.txt: -------------------------------------------------------------------------------- 1 | [ 2 | { 3 | "asset": "BNB", 4 | "currency": "BTC", 5 | "exchange": "binance", 6 | "type": "watcher" 7 | }, 8 | { 9 | "asset": "BNB", 10 | "candleSize": 30, 11 | "currency": "BTC", 12 | "exchange": "binance", 13 | "historySize": 10, 14 | "strat_name": "RSI", 15 | "strat_settings": { 16 | "interval": 10, 17 | "thresholds": { 18 | "high": 90, 19 | "low": 10, 20 | "persistence": 0 21 | } 22 | }, 23 | "type": "paper trader" 24 | }, 25 | { 26 | "asset": "BNB", 27 | "candleSize": 30, 28 | "currency": "BTC", 29 | "exchange": "binance", 30 | "historySize": 10, 31 | "strat_name": "StochRSI", 32 | "strat_settings": { 33 | "interval": 10, 34 | "thresholds": { 35 | "high": 90, 36 | "low": 10, 37 | "persistence": 0 38 | } 39 | }, 40 | "type": "paper trader" 41 | } 42 | ] -------------------------------------------------------------------------------- /saved_bots-example.txt: -------------------------------------------------------------------------------- 1 | [ 2 | { 3 | "asset": "BNB", 4 | "currency": "BTC", 5 | "exchange": "binance", 6 | "type": "watcher" 7 | }, 8 | { 9 | "asset": "BNB", 10 | "candleSize": 30, 11 | "currency": "BTC", 12 | "exchange": "binance", 13 | "historySize": 10, 14 | "strat_name": "RSI", 15 | "strat_settings": { 16 | "interval": 10, 17 | "thresholds": { 18 | "high": 90, 19 | "low": 10, 20 | "persistence": 0 21 | } 22 | }, 23 | "type": "tradebot" 24 | } 25 | ] -------------------------------------------------------------------------------- /server_credentials_api.json: -------------------------------------------------------------------------------- 1 | [{ 2 | "server_addr" : "https://123.456.789/api/", 3 | "username" : "myuser", 4 | "password" : "mypassword" 5 | }] -------------------------------------------------------------------------------- /short_utm.py: -------------------------------------------------------------------------------- 1 | from prettytable import PrettyTable 2 | import heapq 3 | from operator import itemgetter 4 | import csv 5 | 6 | class UniversalTableMethods: 7 | #print list of dictionaries as table 8 | @staticmethod 9 | def print_lod(tablename, lod): 10 | print(tablename) 11 | x = PrettyTable() 12 | field_names = lod[0].keys() 13 | x._set_field_names(field_names) 14 | for dict in lod: 15 | current_dict = [dict[field] for field in field_names] 16 | x.add_row(current_dict) 17 | print(x) 18 | 19 | #convert dict of dicts to list of dicts (similar to pandas index to records) 20 | # {'john' : {'age':'20', 'dob':''}, 'ana' : {'age':'25', 'dob':''}} 21 | # TO => 22 | # [{'name':'john', 'age':'20', dob:''}, {'name':'john', 'age':'25', 'dob':''}] 23 | @staticmethod 24 | def dod_to_lod(index_name, dict_of_dicts): 25 | new_lod = [] 26 | for key, dict in dict_of_dicts.items(): 27 | new_dict = {index_name:key} 28 | new_dict.update(dict) 29 | new_lod.append(new_dict) 30 | return new_lod 31 | 32 | #label all rows of data by adding a column with the same value in all rows 33 | @staticmethod 34 | def add_values_to_all_lod(dict_of_values_to_add, lod): 35 | result = [dict(item, **dict_of_values_to_add) for item in lod] 36 | return result 37 | 38 | #remove specific columns / keys from a list of dictionaries 39 | @staticmethod 40 | def remove_list_of_keys_from_lod(list_of_keys_to_remove, lod): 41 | def remove_list_of_keys_from_dict(dict): 42 | return {k:v for k, v in dict.items() if k not in list_of_keys_to_remove} 43 | return [remove_list_of_keys_from_dict(dict) for dict in lod] 44 | 45 | #filter a list of dicts using one column matching specific values in a list 46 | #Like filtering a table based on the values in one column 47 | @staticmethod 48 | def filter_lod_by_col_val(col_name, value_list, lod): 49 | result = [d for d in lod if d['col_name'] in value_list] 50 | return result 51 | 52 | # filter list of dicts to only include certain keys 53 | # Like filtering a table to include only certain columns 54 | @staticmethod 55 | def filter_lod_keys(keep_cols, lod): 56 | def filter_dict_keys(keys, dict): 57 | filtered_dict = {key: dict[key] for key in keys if key in dict.keys()} 58 | return filtered_dict 59 | new_lod = [filter_dict_keys(keep_cols, dict) for dict in lod] 60 | return new_lod 61 | 62 | #rename keys in list of dicts using a dictionary with Old:new values 63 | #Like renaming columns using a dictionary to specify the old and new column names 64 | @staticmethod 65 | def rename_lod_keys(keys_dict, lod): 66 | new_lod = [UniversalTableMethods.rename_dict_keys(keys_dict, dict) for dict in lod] 67 | return new_lod 68 | 69 | @staticmethod 70 | def rename_dict_keys(change_keys, old_dict): 71 | new_dict = {change_keys.get(k, k): v for k, v in old_dict.items()} 72 | return new_dict 73 | 74 | @staticmethod 75 | def lod_to_csv(filename, lod): 76 | lod = UniversalTableMethods.fill_in_missing_keys_in_lod(lod) 77 | lod_keys = lod[0].keys() 78 | if '.csv' not in filename: 79 | filename = filename + '.csv' 80 | with open(filename, 'wb') as output_file: 81 | dict_writer = csv.DictWriter(output_file, lod_keys) 82 | dict_writer.writeheader() 83 | dict_writer.writerows(lod) 84 | 85 | #update existing dict values with another dict. 86 | #update_keys_dict is the key0:key1 match in case updating from differently named columns 87 | #assumes second list has unique key, while first list need not be unique 88 | # or 89 | #Like updating one or more columns in a table using a second table and joining on one column. 90 | @staticmethod 91 | def update_lod_with_lod(lod_0, lod_1, join_key, update_keys_dict={}, default_if_na=None): 92 | # if the keys to be matched are not specified, assume they are called the same. 93 | # get the keys for the first row of data as the list of keys to update (minus the join key). 94 | if not update_keys_dict: 95 | update_keys = list(lod_1[0].keys()) 96 | update_keys.remove(join_key) 97 | for key in update_keys: 98 | update_keys_dict.update({key:key}) 99 | 100 | #cycle through rows of lod to be updated (lod_0) and find matching lod_1 row on join_key 101 | new_lod = lod_0 102 | for d_0 in new_lod: 103 | d_1 = next((dict for dict in lod_1 if dict[join_key] == d_0[join_key]), default_if_na) 104 | if d_1: 105 | #d_1 = [dict for dict in lod_1 if dict[join_key] == d_0[join_key]][0] 106 | #cycle through keys to be updated 107 | for k, v in update_keys_dict.items(): 108 | # if k in d_0: 109 | # d_0[k] = d_1[v] 110 | # else: 111 | d_0.update({k : d_1[v]}) 112 | return new_lod 113 | 114 | # if a dictionary in a list of dicts is missing key values that are in other dicts, add them to the dict. 115 | # Like adding columns to a table row for any row that is missing the column, so that all rows have the same columns 116 | @staticmethod 117 | def fill_in_missing_keys_in_lod(lod): 118 | for index, d in enumerate(lod): 119 | #if first loop assign headers 120 | missing_headers = False 121 | if index == 0: 122 | headers = list(d.keys()) 123 | #if not first loop, extend list of headers if any are missing 124 | else: 125 | missing_headers = [header for header in list(d.keys()) if header not in headers] 126 | if missing_headers: 127 | headers.extend(missing_headers) 128 | #print(lod) 129 | #update all rows to ensure headers exist in all rows, fill in blanks 130 | lod = [UniversalTableMethods.fill_in_missing_keys_in_dict(dict, headers) for dict in lod] 131 | return lod 132 | 133 | @staticmethod 134 | def fill_in_missing_keys_in_dict(dict, keys): 135 | blank_data = {key: '' for key in keys if key not in list(dict.keys())} 136 | dict.update(blank_data) 137 | return dict 138 | 139 | #flatten nested dicts and lists 140 | #If using for a list of dicts, must cycle through them flattening one dict at a time with a list comprehension 141 | # (used one 'row' at a time) 142 | @staticmethod 143 | def flatten_json(y): 144 | out = {} 145 | 146 | def flatten(x, name=''): 147 | if type(x) is dict: 148 | for a in x: 149 | flatten(x[a], name + a + '.') 150 | elif type(x) is list: 151 | i = 0 152 | for a in x: 153 | flatten(a, name + str(i) + '.') 154 | i += 1 155 | else: 156 | out[name[:-1]] = x 157 | 158 | flatten(y) 159 | return out 160 | 161 | #sorts the table and sets the rank based on one field 162 | @staticmethod 163 | def set_rank_float(lod, field, descending=False): 164 | newlist = UniversalTableMethods.change_field_type_lod(lod, field) 165 | #newlist = [(dict_[field], dict_) for dict_ in lod] 166 | newlist = sorted(lod, key=itemgetter(field), reverse=descending) 167 | for index, dict in enumerate(newlist): 168 | dict[field + '_rank'] = index + 1 169 | return newlist 170 | 171 | #change the data type for a key (field) in a list of dictionaries 172 | @staticmethod 173 | def change_field_type_lod(lod, field, type='float'): 174 | for d in lod: 175 | d[field] = float(d[field]) 176 | return lod 177 | #new_lod = [dict([a, eval('%s(x)' % type)] if a in fields else a for a, x in b.items()) for b in lod] 178 | #new_lod = [{a: float(x)} if a in fields else {a: x} for b in lod for a, x in b.items()] 179 | #print(lod) 180 | #new_lod = [{a: float(x)} if a in fields else {a: x} for a, x in lod[0].items()] 181 | #print(new_lod) 182 | 183 | return new_lod 184 | 185 | #calculate the cumulative sum for a field and append as new column 186 | @staticmethod 187 | def set_cumsum(lod, field): 188 | cum = 0 189 | for dict in lod: 190 | cum += dict[field] 191 | dict['cumsum_' + field] = cum 192 | return lod 193 | 194 | # retrieve top N number of rows based on field value. ex: top 10 largest walls based on zscore 195 | @staticmethod 196 | def get_top_n(lod, field, top_n): 197 | if len(lod) > 0: 198 | top_dicts = heapq.nlargest(top_n, lod, key=lambda dict: dict[field]) 199 | return top_dicts 200 | --------------------------------------------------------------------------------