fix: logs working correctly and previous_scan bug

For debug purposes, configs and logs are now stored using semi-absolute
paths, so you can start the script from anywhere. Also fixed a weird bug
where items in the scans.json began to multiply every time items have
been scanned.

.gitignore

@@ -130,3 +130,4 @@ dmypy.json
 
 # Misc
 config.yaml
+scans.json

client/src/connection.py

@@ -1,14 +1,17 @@
+from os.path import dirname
 from requests import get, put, post, delete
 from yaml import safe_load
 import logging
 
 
+DIR = dirname(__file__) + "/"
+
 LOGGER = logging.getLogger(__name__)
 LOGGER.setLevel(logging.DEBUG)
 logFormatter = logging.Formatter(
     "%(asctime)s [%(threadName)s] [%(levelname)s]  %(message)s")
 
-fileHandler = logging.FileHandler("../logs/connection.log")
+fileHandler = logging.FileHandler(DIR + "../logs/connection.log")
 fileHandler.setFormatter(logFormatter)
 fileHandler.setLevel(logging.INFO)
 LOGGER.addHandler(fileHandler)
@@ -18,7 +21,7 @@ consoleHandler.setLevel(logging.DEBUG)
 LOGGER.addHandler(consoleHandler)
 
 
-with open("config.yaml", 'r') as file:
+with open(DIR + "config.yaml", 'r') as file:
     data = safe_load(file)['server']
 SERVER = data['host']
 PORT = data['port']

client/src/constants.py

@@ -1,8 +1,11 @@
+from os.path import dirname
 from yaml import safe_load
 
 
+DIR = dirname(__file__) + "/"
+
 class Barcode_CodeID:
-    with open("config.yaml", 'r') as file:
+    with open(DIR + "config.yaml", 'r') as file:
         data = safe_load(file)['options']
     CODEID_POS = data['barcode']['codeid']['position'] if data and 'barcode' in data and 'codeid' in data['barcode'] and 'position' in data['barcode']['codeid'] else None
     CODE128 = data['barcode']['codeid']['Code128'] if data and 'barcode' in data and 'codeid' in data['barcode'] and 'Code128' in data['barcode']['codeid'] else "A"
@@ -11,7 +14,7 @@ class Barcode_CodeID:
     del(data)
 
 class Offline_Login:
-    with open("config.yaml", 'r') as file:
+    with open(DIR + "config.yaml", 'r') as file:
         data = safe_load(file)['options']
     OFFLINE_LOGIN = data['users'] if "users" in data else ""
     del(data)

client/src/main.py

@@ -3,7 +3,7 @@ from copy import deepcopy
 from datetime import date
 from json import dump as jdump, load as jload
 from os import makedirs, remove
-from os.path import exists
+from os.path import exists, dirname
 from select import select as timedInput
 from sys import stdin
 from yaml import safe_load
@@ -11,15 +11,17 @@ import connection
 import logging
 
 
-if not exists("../logs"):
+DIR = dirname(__file__) + "/"
-    makedirs("../logs")
+
+if not exists(DIR + "../logs"):
+    makedirs(DIR + "../logs")
 
 LOGGER = logging.getLogger(__name__)
 LOGGER.setLevel(logging.DEBUG)
 logFormatter = logging.Formatter(
     "%(asctime)s [%(threadName)s] [%(levelname)s]  %(message)s")
 
-fileHandler = logging.FileHandler("../logs/client.log")
+fileHandler = logging.FileHandler(DIR + "../logs/client.log")
 fileHandler.setFormatter(logFormatter)
 fileHandler.setLevel(logging.INFO)
 LOGGER.addHandler(fileHandler)
@@ -28,7 +30,7 @@ consoleHandler = logging.StreamHandler()
 consoleHandler.setLevel(logging.DEBUG)
 LOGGER.addHandler(consoleHandler)
 
-TEMPFILE = "scans.json"
+TEMPFILE = DIR + "scans.json"
 
 TIMEOUT = 60  # Number of seconds for a timeout after being logged in
 SET_AMOUNTS = ["1", "2", "5", "10"]
@@ -39,8 +41,6 @@ def main() -> None:
         user = login()
         if not user:
             continue
-        if user == "quit":
-            break
         LOGGER.debug("Login successful")
         scanning(user)
 
@@ -84,22 +84,18 @@ def delete(scanned: list[dict[int: int]]):
                         except ValueError as e:
                             LOGGER.exception("")
 
-def group_previous_scans(previous_scans: list):
+def group_previous_scans(previous_scans: list[dict[any: any]]):
-    newscans = []
+    for i in range(len(previous_scans))[::-1]:
-    for scan in previous_scans:
+        for j in range(len(previous_scans[i:])-1):
-        found = False
+            j = i+j+1
-        for newscan in newscans:
+            if previous_scans[i]['date'] == previous_scans[j]['date'] and previous_scans[i]['user'] == previous_scans[j]['user']:
-            if newscan['date'] == scan['date'] and newscan['user'] == scan['user']:
+                for key, value in previous_scans[i]['items'].items():
-                for key, value in scan['items'].items():
+                    if key in previous_scans[j]['items']:
-                    if key in newscan['items']:
+                        previous_scans[j]['items'][key] += value
-                        newscan['items'][key] += value
                     else:
-                        newscan['items'][key] = value
+                        previous_scans[j]['items'][key] = value
-                found = True
+                del(previous_scans[i])
                 break
-        if not found:
-            newscans.append(deepcopy(scan))
-    return newscans
 
 def group_scanning(scanned: list[dict[int: int]]) -> dict[int: int]:
     scan_dict = {}
@@ -137,7 +133,7 @@ def scanning(user: str) -> dict[int: int]:
         if not i:
             break  # send a short timeout message before break
         scan = stdin.readline().strip()
-        codeid, scan = split_codeid(scan, "A")
+        codeid, scan = split_codeid(scan, Barcode_CodeID.EAN8)
         match codeid:
             case Barcode_CodeID.EAN8:
                 scanned.append({scan: amount})
@@ -169,17 +165,21 @@ def scanning(user: str) -> dict[int: int]:
     scanned = group_scanning(scanned)
     send_scan(user, scanned)
 
-def send_scan(user: str, scanned: dict[int: int], previous_scans: list[dict] = []):
+def send_scan(user: str, scanned: dict[int: int], previous_scans: list[dict[any: any]] = None):
+    LOGGER.debug(previous_scans)
+    if not previous_scans:
+        previous_scans = []
     if exists(TEMPFILE):
         with open(TEMPFILE, "r") as file:
             previous_scans.extend(jload(file))
-    result = connection.send_scan(user, scanned)
+    if scanned:
-    if result != True:
+        result = connection.send_scan(user, scanned)
-        result['date'] = str(date.today())
+        if result != True:
-        previous_scans.append(result)
+            result['date'] = str(date.today())
+            previous_scans.append(result)
     if previous_scans:
-        previous_scans = group_previous_scans(previous_scans)
+        group_previous_scans(previous_scans)
-        for bought in list(previous_scans):
+        for bought in previous_scans:
             result = connection.send_scan(bought['user'], bought['items'], bought['date'])
             previous_scans.remove(bought)
             if result != True:
@@ -189,7 +189,6 @@ def send_scan(user: str, scanned: dict[int: int], previous_scans: list[dict] = [
             jdump(previous_scans, file)
     elif exists(TEMPFILE): # if no scans remain, delete the json
         remove(TEMPFILE)
-    LOGGER.info(previous_scans)
 
 def split_codeid(scan: str, default_codeid: str = ""):
     match Barcode_CodeID.CODEID_POS:

server/src/database.py

@@ -1,14 +1,17 @@
+from os.path import dirname
 from psycopg2 import connect as psyconn, ProgrammingError, errors
 from yaml import safe_load
 import logging
 
 
+DIR = dirname(__file__) + "/"
+
 LOGGER = logging.getLogger(__name__)
 LOGGER.setLevel(logging.DEBUG)
 logFormatter = logging.Formatter(
     "%(asctime)s [%(threadName)s] [%(levelname)s]  %(message)s")
 
-fileHandler = logging.FileHandler("../logs/database.log")
+fileHandler = logging.FileHandler(DIR + "../logs/database.log")
 fileHandler.setFormatter(logFormatter)
 fileHandler.setLevel(logging.INFO)
 LOGGER.addHandler(fileHandler)
@@ -24,7 +27,7 @@ class Database:
         pass
 
     def connect(self, **kwargs):
-        with open('config.yaml', 'r') as file:
+        with open(DIR + 'config.yaml', 'r') as file:
             data = safe_load(file)['database']
         LOGGER.debug('Merging passed arguments with default arguments.')
         for key, value in data.items():

server/src/main.py

@@ -3,19 +3,21 @@ from flask import Flask, abort, request
 from flask.json import jsonify
 from gevent.pywsgi import WSGIServer
 from os import makedirs
-from os.path import exists
+from os.path import exists, dirname
 import logging
 
 
-if not exists("../logs"):
+DIR = dirname(__file__) + "/"
-    makedirs("../logs")
+
+if not exists(DIR + "../logs"):
+    makedirs(DIR + "../logs")
 
 LOGGER = logging.getLogger(__name__)
 LOGGER.setLevel(logging.DEBUG)
 logFormatter = logging.Formatter(
     "%(asctime)s [%(threadName)s] [%(levelname)s]  %(message)s")
 
-fileHandler = logging.FileHandler("../logs/server.log")
+fileHandler = logging.FileHandler(DIR + "../logs/server.log")
 fileHandler.setFormatter(logFormatter)
 fileHandler.setLevel(logging.INFO)
 LOGGER.addHandler(fileHandler)