Update changelog for v3.2.1

Such cases are now handled

.gitignore

@@ -1,4 +1,4 @@
-__pycache__
+__PYCache__
 Data
 src/themes/__current_theme
 designer.bat
@@ -8,3 +8,4 @@ launch.bat
 spec_files/**/output
 *.txt
 *.json
+info.log

CHANGELOG.md

@@ -4,11 +4,23 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 The first release is [3.0.0] because this is actually the third major version (completely rewritten) of the software.
 
 ## [Unreleased]
+...
+
+## [3.2.1] - 2020-04-25
+### Added
+- Add some basic logging to the application. Also for severe errors, track them in info.log file in local folder.
+- Add Raspberry PI support ([#18](https://github.com/AresValley/Artemis/pull/18), [#20](https://github.com/AresValley/Artemis/pull/20))
+
+### Fixed
+- Support new `JSON` format for some forecast data ([#21](https://github.com/AresValley/Artemis/pull/14)).
+- Fixed categorization for very low x-ray flux according to NOAA format.
+- Remove the `exclusive` parameter in a PyQt function ([#16](https://github.com/AresValley/Artemis/pull/16)).
+  
 
 ## [3.2.0] - 2019-12-14
 
 ### Added
-- The default font can be changed ([#14](https://github.com/AresValley/Artemis/pull/14))
+- The default font can be changed ([#14](https://github.com/AresValley/Artemis/pull/14)).
 - Move `Themes` into `Settings`.
 - Better settings management in `settings.json`.
 
@@ -44,7 +56,8 @@ First release.
 
 
 <!-- Links definitions -->
-[Unreleased]: https://github.com/AresValley/Artemis/compare/v3.2.0...HEAD
+[Unreleased]: https://github.com/AresValley/Artemis/compare/v3.2.1...HEAD
+[3.2.1]: https://github.com/AresValley/Artemis/compare/v3.2.0...v3.2.1
 [3.2.0]: https://github.com/AresValley/Artemis/compare/v3.1.0...v3.2.0
 [3.1.0]: https://github.com/AresValley/Artemis/compare/v3.0.1...v3.1.0
 [3.0.1]: https://github.com/AresValley/Artemis/compare/v3.0.0...v3.0.1

README.md

@@ -147,7 +147,7 @@ The only folder with the pre-built package is the `themes` one. In this way the
 Some of the available themes were adapted from https://github.com/GTRONICK/QSS.
 
 ## License
-This program (ARTEMIS 3, 2014-2019) is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+This program (ARTEMIS 3, 2014-2020) is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
@@ -159,5 +159,6 @@ You should have received a copy of the GNU General Public License along with thi
 * **Paolo Romani (IZ1MLL)** - *Lead β Tester, RF specialist*
 * **Carl Colena** - *Sigidwiki admin, β Tester, Signals expert*
 * [**Marco Bortoli**](https://github.com/marbort "GitHub profile") - *macOS deployment, β Tester*
+* [**Eric Wiessner (KI7POL)**](https://github.com/WheezyE "GitHub profile") - *ARM port (Raspberry Pi3B+ and Pi4B)*
 * [**Pierpaolo Pravatto**](https://github.com/ppravatto "GitHub profile") - *Wiki page, β Tester*
 * [**Francesco Capostagno**](https://github.com/fcapostagno "GitHub profile"), **Luca**, **Pietro** - *β Tester*

src/acfvalue.py

@@ -28,14 +28,13 @@ class ACFValue:
                 self._description = ""
                 self._value = value
                 self._string = self._value
-            try:
+            if self._value.isdigit():
                 self.numeric_value = float(self._value)
-            except Exception:
-                self.is_numeric = False
-                self.numeric_value = 0.0
-            else:
                 self.is_numeric = True
                 self._string += " ms"
+            else:
+                self.is_numeric = False
+                self.numeric_value = 0.0
 
     @classmethod
     def list_from_series(cls, series):

src/artemis.py

@@ -5,6 +5,7 @@ import webbrowser
 import os
 import sys
 from time import sleep, time
+import logging
 
 from pandas import read_csv
 
@@ -58,11 +59,12 @@ from downloadtargetfactory import get_download_target
 from settings import Settings
 from updatescontroller import UpdatesController
 from urlbutton import UrlButton
+import loggingconf  # noqa 401
 
 # import default_imgs_rc
 
 
-__LATEST_VERSION__ = "3.2.0"
+__LATEST_VERSION__ = "3.2.1"
 
 if IS_BINARY:
     __VERSION__ = __LATEST_VERSION__
@@ -256,6 +258,7 @@ class Artemis(QMainWindow, Ui_MainWindow):
             font.setUnderline(self.settings.font['underline'])
             self.apply_font(font)
         except Exception:  # Invalid font
+            logging.warning("Invalid Font in settings.json")
             pass
 
     @pyqtSlot()
@@ -357,6 +360,7 @@ class Artemis(QMainWindow, Ui_MainWindow):
         try:
             webbrowser.open(Constants.GFD_SITE + query.lower())
         except Exception:
+            logging.error("Cannot open browser")
             pass
 
     def set_initial_size(self):
@@ -445,7 +449,8 @@ class Artemis(QMainWindow, Ui_MainWindow):
             else:
                 try:
                     is_checksum_ok = checksum_ok(db, get_db_hash_code())
-                except Exception:
+                except ValueError as e:
+                    logging.info(e)
                     pop_up(self, title=Messages.NO_CONNECTION,
                            text=Messages.NO_CONNECTION_MSG).show()
                 else:
@@ -485,7 +490,8 @@ class Artemis(QMainWindow, Ui_MainWindow):
             else:
                 try:
                     is_checksum_ok = checksum_ok(db, get_db_hash_code())
-                except Exception:
+                except ValueError as e:
+                    logging.info(e)
                     pop_up(self, title=Messages.NO_CONNECTION,
                            text=Messages.NO_CONNECTION_MSG).show()
                 else:

src/constants.py

@@ -12,6 +12,7 @@ class SupportedOs:
     WINDOWS = "windows"
     LINUX   = "linux"
     MAC     = "mac"
+    RASPBIAN = "raspberry"
 
 
 class Ftype:
@@ -113,8 +114,8 @@ class Constants:
     UPDATING_STR            = "Updating..."
     ACF_DOCS                = "https://aresvalley.com/documentation/"
     FORECAST_PROBABILITIES  = "https://services.swpc.noaa.gov/text/sgarf.txt"
-    SPACE_WEATHER_XRAY      = "https://services.swpc.noaa.gov/text/goes-xray-flux-primary.txt"
+    SPACE_WEATHER_XRAY      = "https://services.swpc.noaa.gov/json/goes/primary/xrays-1-day.json"
-    SPACE_WEATHER_PROT_EL   = "https://services.swpc.noaa.gov/text/goes-particle-flux-primary.txt"
+    SPACE_WEATHER_PROT_EL   = "https://services.swpc.noaa.gov/json/goes/primary/integral-protons-1-day.json"
     SPACE_WEATHER_AK_INDEX  = "https://services.swpc.noaa.gov/text/wwv.txt"
     SPACE_WEATHER_SGAS      = "https://services.swpc.noaa.gov/text/sgas.txt"
     SPACE_WEATHER_GEO_STORM = "https://services.swpc.noaa.gov/text/3-day-forecast.txt"
@@ -209,6 +210,8 @@ class Messages:
     NEW_VERSION_AVAILABLE    = "New software version"
     NEW_VERSION_MSG          = lambda v: f"The software version {v} is available."  # noqa: E731
     DOWNLOAD_SUGG_MSG        = "Download new version now?"
+    SCREEN_UPDATE_FAIL       = "Unable to update the data"
+    SCREEN_UPDATE_FAIL_MSG   = "Downloaded data currupted or invalid"
 
 
 class ThemeConstants:

src/downloadtargetfactory.py

@@ -49,6 +49,7 @@ class _TarExtractor:
 EXTRACTORS = {
     SupportedOs.WINDOWS: _ZipExtractor,
     SupportedOs.LINUX: _TarExtractor,
+    SupportedOs.RASPBIAN: _TarExtractor,
     # No extractor for MacOs, just download the file through the browser.
 }
 

src/loggingconf.py

@@ -0,0 +1,43 @@
+import logging
+import logging.config
+from constants import __BASE_FOLDER__
+import os.path
+
+"""Import the module to initialize the logging configuration.
+
+It is imported only for its side effects."""
+
+
+_LOGGING_CONFIG = {
+    'version': 1,
+    'formatters': {
+        'general': {
+            'format': '%(asctime)s::%(levelname)s::%(module)s::%(funcName)s::%(message)s',
+            'datefmt': '%d/%m/%Y %I:%M:%S %p',
+        },
+    },
+    'handlers': {
+        'console': {
+            'level': 'INFO',
+            'formatter': 'general',
+            'class': 'logging.StreamHandler',
+            'stream': 'ext://sys.stdout',
+        },
+        'file': {
+            'class': 'logging.FileHandler',
+            'level': 'ERROR',
+            'filename': os.path.join(__BASE_FOLDER__, 'info.log'),
+            'mode': 'w',
+            'encoding': 'utf8',
+            'formatter': 'general',
+        },
+    },
+    'root': {
+        'level': 'DEBUG',
+        'handlers': ['console', 'file'],
+    },
+    # Add loggers if required
+    # 'loggers': {}
+}
+
+logging.config.dictConfig(_LOGGING_CONFIG)

src/os_utilities.py

@@ -1,4 +1,5 @@
 import sys
+import platform
 from constants import SupportedOs
 
 
@@ -20,6 +21,7 @@ def _is_linux_os():
 IS_MAC = _is_mac_os()
 IS_LINUX = _is_linux_os()
 IS_WINDOWS = _is_win_os()
+IS_RASPBIAN = IS_LINUX and 'arm' in platform.machine().lower()
 
 
 def get_os():
@@ -27,8 +29,10 @@ def get_os():
     if IS_WINDOWS:
         return SupportedOs.WINDOWS
     elif IS_LINUX:
+        if IS_RASPBIAN:
+            return SupportedOs.RASPBIAN
         return SupportedOs.LINUX
     elif IS_MAC:
         return SupportedOs.MAC
     else:
-        raise Exception("ERROR: OS not recognized.")
+        return None

src/settings.py

@@ -1,6 +1,7 @@
 import os.path
 from constants import Constants
 import json
+import logging
 
 
 class Settings:
@@ -16,7 +17,8 @@ class Settings:
         try:
             with open(Constants.SETTINGS_FILE, 'r') as settings_file:
                 self._dct = json.load(settings_file)
-        except Exception:
+        except FileNotFoundError:
+            logging.info("No settings.json file")
             pass  # Invalid file.
 
     def save(self, **kwargs):
@@ -38,7 +40,4 @@ class Settings:
         """Return the corresponding setting.
 
         Return None if there is no such setting yet."""
-        try:
+        return self._dct.get(attr, None)
-            return self._dct[attr]
-        except Exception:
-            return None

src/spaceweathermanager.py

@@ -1,9 +1,10 @@
+import logging
 import webbrowser
 from PyQt5.QtCore import QObject, pyqtSlot
 from constants import Constants, Messages
 from switchable_label import SwitchableLabelsIterable
 from weatherdata import SpaceWeatherData
-from utilities import safe_cast, pop_up
+from utilities import pop_up
 
 
 class SpaceWeatherManager(QObject):
@@ -136,13 +137,14 @@ class SpaceWeatherManager(QObject):
         """
         self._owner.update_now_bar.set_idle()
         if status_ok:
-            xray_long = safe_cast(self._owner.space_weather_data.xray[-1][7], float)
+            try:
+                xray_long = float(self._owner.space_weather_data.xray)
 
                 def format_text(letter, power):
                     return letter + f"{xray_long * 10**power:.1f}"
 
                 if xray_long < 1e-8 and xray_long != -1.00e+05:
-                self._owner.peak_flux_lbl.setText(format_text("<A", 8))
+                    self._owner.peak_flux_lbl.setText("<A0.0")
                 elif xray_long >= 1e-8 and xray_long < 1e-7:
                     self._owner.peak_flux_lbl.setText(format_text("A", 8))
                 elif xray_long >= 1e-7 and xray_long < 1e-6:
@@ -171,7 +173,7 @@ class SpaceWeatherManager(QObject):
                 elif xray_long == -1.00e+05:
                     self._switchable_r_labels.switch_off_all()
 
-            pro10 = safe_cast(self._owner.space_weather_data.prot_el[-1][8], float)
+                pro10 = float(self._owner.space_weather_data.prot_el)
                 if pro10 < 10 and pro10 != -1.00e+05:
                     self._switchable_s_labels.switch_on(self._owner.s0_now_lbl)
                 elif pro10 >= 10 and pro10 < 100:
@@ -187,13 +189,9 @@ class SpaceWeatherManager(QObject):
                 elif pro10 == -1.00e+05:
                     self._switchable_s_labels.switch_off_all()
 
-            k_index = safe_cast(
+                k_index = int(self._owner.space_weather_data.ak_index[8][11].replace('.', ''))
-                self._owner.space_weather_data.ak_index[8][11].replace('.', ''), int
-            )
                 self._owner.k_index_lbl.setText(str(k_index))
-            a_index = safe_cast(
+                a_index = int(self._owner.space_weather_data.ak_index[7][7].replace('.', ''))
-                self._owner.space_weather_data.ak_index[7][7].replace('.', ''), int
-            )
                 self._owner.a_index_lbl.setText(str(a_index))
 
                 if k_index == 0:
@@ -252,9 +250,7 @@ class SpaceWeatherManager(QObject):
                     self._a_storm_labels.switch_on(self._owner.a_sev_storm_lbl)
 
                 index = self._owner.space_weather_data.geo_storm[6].index("was") + 1
-            k_index_24_hmax = safe_cast(
+                k_index_24_hmax = int(self._owner.space_weather_data.geo_storm[6][index])
-                self._owner.space_weather_data.geo_storm[6][index], int
-            )
                 if k_index_24_hmax == 0:
                     self._switchable_g_today_labels.switch_on(self._owner.g0_today_lbl)
                 elif k_index_24_hmax == 1:
@@ -276,13 +272,10 @@ class SpaceWeatherManager(QObject):
                 elif k_index_24_hmax == 9:
                     self._switchable_g_today_labels.switch_on(self._owner.g5_today_lbl)
 
-            val = safe_cast(
+                val = int(self._owner.space_weather_data.ak_index[7][2].replace('.', ''))
-                self._owner.space_weather_data.ak_index[7][2].replace('.', ''), int
-            )
                 self._owner.sfi_lbl.setText(f"{val}")
-            val = safe_cast(
+                val = int(
-                [x[4] for x in self._owner.space_weather_data.sgas
+                    [x[4] for x in self._owner.space_weather_data.sgas if "SSN" in x][0]
-                    if "SSN" in x][0], int
                 )
                 self._owner.sn_lbl.setText(f"{val:d}")
 
@@ -291,6 +284,14 @@ class SpaceWeatherManager(QObject):
                     label.pixmap = pixmap
                     label.make_transparent()
                     label.apply_pixmap()
+            except Exception as e:  # This is a mess, so log an error and give up
+                logging.error(f"Forecast update failure: {e}")
+                pop_up(
+                    self._owner,
+                    title=Messages.SCREEN_UPDATE_FAIL,
+                    text=Messages.SCREEN_UPDATE_FAIL_MSG
+                ).show()
+
         elif not self._owner.closing:
             pop_up(self._owner, title=Messages.BAD_DOWNLOAD,
                    text=Messages.BAD_DOWNLOAD_MSG).show()

src/themesmanager.py

@@ -140,7 +140,7 @@ class ThemeManager:
         Connect all the actions to change the theme.
         Display a QMessageBox if the theme folder is not found."""
         themes = []
-        ag = QActionGroup(self._owner, exclusive=True)
+        ag = QActionGroup(self._owner)
         themes_menu = self._owner.settings_menu.addMenu("Themes")
         if not os.path.exists(ThemeConstants.FOLDER):
             pop_up(self._owner, title=ThemeConstants.THEME_FOLDER_NOT_FOUND,
@@ -272,17 +272,15 @@ class ThemeManager:
 
     def apply_default_theme(self):
         """Apply the default theme if no theme is set or the theme name is invalid."""
-        try:
+        pretty_name = self._theme_names.get(self._pretty_name(ThemeConstants.DEFAULT), None)
-            self._theme_names[
+        if pretty_name is None:
-                self._pretty_name(ThemeConstants.DEFAULT)
-            ].setChecked(True)
-        except Exception:
             pop_up(
                 self._owner,
                 title=ThemeConstants.THEME_NOT_FOUND,
                 text=ThemeConstants.MISSING_THEME
             ).show()
         else:
+            pretty_name.setChecked(True)
             self._apply(ThemeConstants.DEFAULT_THEME_PATH)
 
     def start(self):
@@ -291,11 +289,11 @@ class ThemeManager:
         if self._owner.settings.theme is not None:
             theme_path = os.path.join(ThemeConstants.FOLDER, self._owner.settings.theme)
             theme_name = self._pretty_name(os.path.basename(theme_path))
-            try:
+            theme = self._theme_names.get(theme_name, None)
-                self._theme_names[theme_name].setChecked(True)
+            if theme is None:
-            except Exception:
                 self.apply_default_theme()
             else:
+                theme.setChecked(True)
                 self._apply(theme_path, save=False)
         else:
             self.apply_default_theme()

src/threads.py

@@ -7,7 +7,7 @@ from time import perf_counter
 import aiohttp
 from PyQt5.QtCore import QThread, pyqtSignal, pyqtSlot
 from constants import Constants
-from utilities import checksum_ok
+from utilities import checksum_ok, get_file_extension
 from web_utilities import (
     get_cacert_file,
     get_pool_manager,
@@ -156,7 +156,7 @@ class DownloadThread(BaseDownloadThread):
         """Verify the checksum of the downloaded data and set the status accordingly."""
         try:
             is_checksum_ok = checksum_ok(raw_data, self._target.hash_code)
-        except Exception:  # Invalid hash code.
+        except ValueError:  # Invalid hash code.
             self.status = ThreadStatus.NO_CONNECTION_ERR
             return True
         else:
@@ -234,7 +234,7 @@ class UpdateSpaceWeatherThread(BaseDownloadThread):
         """Download the data conteining the information of a specific property."""
         link = getattr(Constants, "SPACE_WEATHER_" + property_name.upper())
         data = await _download_resource(session, link)
-        setattr(self._space_weather_data, property_name, str(data, 'utf-8'))
+        self._space_weather_data.set_property(property_name, data, get_file_extension(link))
 
     async def _download_image(self, session, n):
         """Download the data corresponding the n-th image displayed in the screen."""

src/updatescontroller.py

@@ -1,3 +1,4 @@
+import logging
 import subprocess as sp
 import webbrowser
 from PyQt5.QtCore import QObject, pyqtSlot, QProcess
@@ -99,6 +100,7 @@ class UpdatesController(QObject):
                 try:
                     updater.startDetached(command)
                 except BaseException:
+                    logging.error("Unable to start updater")
                     pass
                 else:
                     qApp.quit()
@@ -110,7 +112,7 @@ class UpdatesController(QObject):
         If so, ask to download the new version.
         If the software is not a compiled version, the function is a NOP."""
         if not IS_BINARY or IS_MAC:
-            return
+            return None
         latest_updater_version = self.version_controller.updater.version
         try:
             with sp.Popen(
@@ -122,9 +124,10 @@ class UpdatesController(QObject):
             ) as proc:
                 updater_version = proc.stdout.read().rstrip("\r\n")  # Strip any possible newline, to be sure.
         except Exception:
+            logging.error("Unable to query the updater")
             updater_version = latest_updater_version
         if latest_updater_version is None:
-            return
+            return None
         if updater_version != latest_updater_version:
             answer = pop_up(
                 self._owner,

src/utilities.py

@@ -1,3 +1,4 @@
+import logging
 from functools import partial
 import hashlib
 from PyQt5.QtWidgets import QMessageBox
@@ -30,12 +31,12 @@ class UniqueMessageBox(QMessageBox):
         """Overrides QMessageBox.exec. Call the parent method if there are no
         other instances executing exec; also set the current font.
         Otherwise return None,"""
-        if UniqueMessageBox._open_message:
+        if self.__class__._open_message:
             return None
         self.setFont(self._font)
-        UniqueMessageBox._open_message = True
+        self.__class__._open_message = True
         answer = super().exec()
-        UniqueMessageBox._open_message = False
+        self.__class__._open_message = False
         return answer
 
     def show(self):
@@ -107,7 +108,7 @@ def checksum_ok(data, reference_hash_code):
 
     Expects a sha256 code as argument."""
     if reference_hash_code is None:
-        raise Exception("ERROR: Invalid hash code.")
+        raise ValueError("ERROR: Invalid hash code.")
     code = hashlib.sha256()
     code.update(data)
     return code.hexdigest() == reference_hash_code
@@ -192,6 +193,25 @@ def safe_cast(value, cast_type, default=-1):
     try:
         r = cast_type(value)
     except Exception:
+        logging.error("Cast type failure")
         r = default
     finally:
         return r
+
+
+def get_file_extension(file):
+    """Return the extension of a file. Return None if there is not such property."""
+    components = file.split('.')
+    if len(components) > 1:
+        return components[-1]
+    return None
+
+
+def get_value_from_list_of_dicts(iterable, callable_ok, key_value):
+    """Return a value from a dict inside a list of dicts.
+
+    The iterable is reversed first, then the value corresponding to the key key_value
+    is returned from the first dict for which callable_ok(dict) returns True"""
+    for d in reversed(iterable):
+        if callable_ok(d):
+            return d[key_value]

src/versioncontroller.py

@@ -61,16 +61,25 @@ def _download_versions_file():
                 "size": ...
             }
         }
+        "raspberry": {
+            "software": {
+                "version": "...",
+                "url": "...",
+                "hash_code": "...",
+                "size": ...
+            },
+            "updater": {
+                "version": "...",
+                "url": "...",
+                "hash_code": "...",
+                "size": ...
+            }
+        }
     }
     """
-    try:
+    return json.load(
-        version_dict = json.load(
         BytesIO(download_file(Constants.VERSION_LINK))
-        )[get_os()]
+    ).get(get_os(), None)
-    except Exception:
-        return None
-    else:
-        return version_dict
 
 
 class VersionController:
@@ -80,7 +89,6 @@ class VersionController:
 
     def __init__(self, dct=None):
         """Initialize the dictionary"""
-        super().__init__()
         self._dct = dct
 
     def __getattr__(self, attr):
@@ -89,11 +97,9 @@ class VersionController:
         if self._dct is None:
             if not self.update():
                 return None
-        try:
+        dct_element = self._dct.get(attr, None)
-            dct_element = self._dct[attr]
+        if dct_element is None:
-        except Exception("ERROR: Invalid attribute!"):
             return None
-        else:
         if isinstance(dct_element, dict):
             setattr(self, attr, type(self)(dct_element))
         else:

src/weatherdata.py

@@ -1,3 +1,5 @@
+import logging
+import json
 import re
 from PyQt5.QtGui import QPixmap
 from PyQt5.QtCore import pyqtSlot, pyqtSignal, QObject
@@ -9,7 +11,7 @@ from threads import (
 )
 from constants import Constants
 from switchable_label import MultiColorSwitchableLabel
-from utilities import safe_cast
+from utilities import safe_cast, get_value_from_list_of_dicts
 
 
 class _BaseWeatherData(QObject):
@@ -89,12 +91,35 @@ class SpaceWeatherData(_BaseWeatherData):
         """Override _BaseWeatherData._parse_data.
 
         Set all the data."""
-        self.xray      = self._double_split(self.xray)
+        if self.xray is not None:
-        self.prot_el   = self._double_split(self.prot_el)
+            self.xray = get_value_from_list_of_dicts(
+                self.xray,
+                lambda d: d["energy"] == "0.1-0.8nm",
+                "flux"
+            )
+        if self.prot_el is not None:
+            self.prot_el = get_value_from_list_of_dicts(
+                self.prot_el,
+                lambda d: d["energy"] == ">=10 MeV",
+                "flux"
+            )
+        if self.ak_index is not None:
             self.ak_index = self._double_split(self.ak_index)
+        if self.sgas is not None:
             self.sgas = self._double_split(self.sgas)
+        if self.geo_storm is not None:
             self.geo_storm = self._double_split(self.geo_storm)
 
+    def set_property(self, property_name, data, extension):
+        """Set a property to the object. Format the data based on the extension."""
+        if extension == 'txt':
+            setattr(self, property_name, str(data, 'utf-8'))
+        elif extension == 'json':
+            setattr(self, property_name, json.loads(data))
+        else:
+            logging.error("Invalid file extension")
+            setattr(self, property_name, None)
+
     def remove_data(self):
         """Remove the reference to all the data."""
         self.xray = ''
@@ -347,6 +372,7 @@ class ForecastData(_BaseWeatherData):
             self._set_dates(forecast, rows["solar_row"])
             self._set_labels_values(labels_table)
         except Exception:
+            logging.error("Update ForecastData failure")
             pass
 
     def remove_data(self):

src/web_utilities.py

@@ -1,3 +1,4 @@
+import logging
 import os
 import sys
 import urllib3
@@ -37,15 +38,21 @@ def _download_multiline_file_as_list(url=Database.LINK_REF):
     The downloaded file is a csv file with columns (last version == last line):
     data.zip_SHA256 | db.csv_SHA256 | Version | Creation_date"""
     try:
-        f = download_file(url, encoding="UTF-8").splitlines()[-1].split(Database.DELIMITER)
+        return download_file(url, encoding="UTF-8").splitlines()[-1].split(Database.DELIMITER)
     except Exception:
+        logging.error("Database metadata download failure")
         return None
-    return f
 
 
 def get_folder_hash_code():
-    return _download_multiline_file_as_list()[0]
+    f = _download_multiline_file_as_list()
+    if f is not None:
+        return f[0]
+    return None
 
 
 def get_db_hash_code():
-    return _download_multiline_file_as_list()[1]
+    f = _download_multiline_file_as_list()
+    if f is not None:
+        return f[1]
+    return None