finished base version 1.0 and as such the app is fully functional though there might still be bugs around and also some improvements will be made later on

bin/csv_parsers.py

@@ -0,0 +1,122 @@
+"""@package docstring
+This is a simplification of the csv module"""
+
+import csv
+
+
+class CsvRead:
+    """This is a class that reads csv files and depending on the module selected does do different things with it"""
+    def __init__(self):
+        self.__imp = ""
+        self.__raw = ""
+        self.__raw_list = ""
+
+    def importing(self, path):
+        """Returns a list of the imported csv-file, requires path, either direct system path or relative path"""
+        self.__imp = open(path)
+        self.__raw = csv.reader(self.__imp, delimiter=',')
+        self.__raw_list = list(self.__raw)
+        self.__imp.close()
+        return self.__raw_list
+
+
+class CsvWrite:
+    """This is a class that modifies csv files"""
+    def __init__(self):
+        self.__impl = []
+        self.__strpop = []
+        self.__removed = []
+        self.__removing = 0
+        self.__change = 0
+        self.__appending = 0
+        self.__imp = []
+        self.__raw = []
+
+    def rem_str(self, path, row):
+        """Opens the csv-file in write mode which is specified as an argument either as direct or relative path"""
+        self.__imp = open(path)
+        self.__raw = csv.reader(self.__imp, delimiter=',')
+        self.__impl = list(self.__raw)
+        self.__removed = self.__impl.pop(row + 1)
+        with open(path, "w") as removedata:
+            self.__removing = csv.writer(removedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+            self.__removing.writerow(self.__impl.pop(0))
+        while len(self.__impl) > 0:
+            with open(path, "a") as removedata:
+                self.__removing = csv.writer(removedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+                self.__removing.writerow(self.__impl.pop(0))
+        self.__imp.close()
+        removedata.close()
+
+
+    def chg_str(self, path, row, pos, new_value):
+        """Opens the csv-file in write mode to change a value, e.g. if a recipes is changed."""
+        self.__imp = open(path)
+        self.__raw = csv.reader(self.__imp, delimiter=',')
+        self.__impl = list(self.__raw)
+        self.__strpop = self.__impl.pop(row)
+        self.__strpop.pop(pos)
+        self.__strpop.insert(pos, new_value)
+        self.__impl.insert(row, self.__strpop)
+        with open(path, "w") as changedata:
+            self.__change = csv.writer(changedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+            self.__change.writerow(self.__impl.pop(0))
+        while len(self.__impl) > 0:
+            with open(path, "a") as changedata:
+                self.__removing = csv.writer(changedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+                self.__removing.writerow(self.__impl.pop(0))
+        self.__imp.close()
+        changedata.close()
+
+    def chg_str_rem(self, path, row, pos):
+        """Opens the csv-file in write mode to change a value, e.g. if a recipes is changed."""
+        self.__imp = open(path)
+        self.__raw = csv.reader(self.__imp, delimiter=',')
+        self.__impl = list(self.__raw)
+        self.__strpop = self.__impl.pop(row)
+        self.__strpop.pop(pos)
+        self.__strpop.pop(pos)
+        self.__impl.insert(row, self.__strpop)
+        with open(path, "w") as changedata:
+            self.__change = csv.writer(changedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+            self.__change.writerow(self.__impl.pop(0))
+        while len(self.__impl) > 0:
+            with open(path, "a") as changedata:
+                self.__removing = csv.writer(changedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+                self.__removing.writerow(self.__impl.pop(0))
+        self.__imp.close()
+        changedata.close()
+
+    def chg_str_add(self, path, row, new_value1, new_value2):
+        """Opens the csv-file in write mode to change a value, e.g. if a recipes is changed."""
+        self.__imp = open(path)
+        self.__raw = csv.reader(self.__imp, delimiter=',')
+        self.__impl = list(self.__raw)
+        self.__strpop = self.__impl.pop(row)
+        self.__strpop.append(new_value1)
+        self.__strpop.append(new_value2)
+        self.__impl.insert(row, self.__strpop)
+        with open(path, "w") as changedata:
+            self.__change = csv.writer(changedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+            self.__change.writerow(self.__impl.pop(0))
+        while len(self.__impl) > 0:
+            with open(path, "a") as changedata:
+                self.__removing = csv.writer(changedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+                self.__removing.writerow(self.__impl.pop(0))
+        self.__imp.close()
+        changedata.close()
+
+    def app_str(self, path, value):
+        """Opens the csv-file in append mode and writes given input. CsvWrite.app_str(path, value).
+        Path can be specified both as direct or relative. value is a list. Will return an error if type of value is
+        not a list."""
+        with open(path, "a") as appenddata:
+            self.__appending = csv.writer(appenddata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+            self.__appending.writerow(value)
+        appenddata.close()
+
+    def write_str(self, path, value):
+        with open(path, "w") as writedata:
+            self.__change = csv.writer(writedata, delimiter=',', quoting=csv.QUOTE_MINIMAL)
+            self.__change.writerow(value)
+        writedata.close()

bin/filepathanalysis.py

@@ -0,0 +1,26 @@
+import os
+
+
+class PathAnalysis:
+    def __init__(self):
+        self.__output = []
+        self.__input = []
+        self.__file_extension = ""
+        self.__filepath = ""
+        self.__returns = []
+        self.__names = []
+
+    def validsonglistcreator(self, path):
+        self.__input = os.listdir(path)
+        for self.item in self.__input:
+            self.__file_extension = self.item[(len(self.item) - 4):]
+            if self.__file_extension == ".mp3" or self.__file_extension == ".wav":
+                self.__filepath = str(path)
+                self.__filepath += f"/{str(self.item)}"
+                self.__names.append(self.item)
+                self.__output.append(self.__filepath)
+            else:
+                pass
+        self.__returns.append(self.__output)
+        self.__returns.append(self.__names)
+        return self.__returns

bin/gui/gui.kv

@@ -1,6 +1,11 @@
 RootScreen:
     Home:
     Main:
+    ShowcaseS
+
+###########
+# POPUPS
+###########
 
 <PathMissingPU>:
     title: "NOTICE!"
@@ -20,6 +25,46 @@ RootScreen:
             on_release:
                 root.dismiss()
 
+<PathWrongPU>:
+    title: "NOTICE!"
+    font_size: 50
+    size_hint: 0.5, 0.4
+    auto_dismiss: False
+    GridLayout:
+        cols:1
+        Label:
+            text: "Path without any mp3/wav files specified"
+            font_size: 18
+        Label:
+            text: "Please enter another path and try again"
+            font_size: 15
+        Button:
+            text:"Ok"
+            on_release:
+                root.dismiss()
+
+<invalidpathPU>:
+    title: "NOTICE!"
+    font_size: 50
+    size_hint: 0.5, 0.4
+    auto_dismiss: False
+    GridLayout:
+        cols:1
+        Label:
+            text: "Invalid path specified"
+            font_size: 18
+        Label:
+            text: "Please enter a valid path and try again"
+            font_size: 15
+        Button:
+            text:"Ok"
+            on_release:
+                root.dismiss()
+
+###########
+# SCREENS
+###########
+
 <Home>:
     name: "Home"
     md_bg_color: app.theme_cls.accent_color
@@ -42,6 +87,7 @@ RootScreen:
                         hint_text: "Path to Folder containing the Music files"
                         pos_hint: {"x":0.2, "y":0.5}
                         size_hint_x: 0.6
+                        text: "/home/janis/Downloads"
                 Button:
                     text: "Start"
                     color: app.theme_cls.primary_color
@@ -52,11 +98,74 @@ RootScreen:
                         root.change_screen()
 
 <Main>:
+    on_pre_enter: root.initialize()
     name: "Main"
     GridLayout:
         cols: 1
+        GridLayout:
+            cols: 2
+            Button:
+                text: "Next"
+                on_release:
+                    root.nextsong()
+            Button:
+                text: "Rewind"
+                on_release:
+                    root.rewindsong()
         Button:
-            text: "Back"
+            text: "Play"
+            id: pp_button
             on_release:
-                app.root.current = "Home"
+                root.playmusic()
+        GridLayout:
+            cols: 2
+            Button:
+                text: "Back"
+                on_release:
+                    root.go_back()
+            Button:
+                text: "Showcase"
+                on_release:
+                    app.root.current = "Showcase"
+                    root.manager.transition.direction = "left"
 
+
+<ShowcaseS>:
+    on_pre_enter: root.screen_updater_start()
+    name: "Showcase"
+    md_bg_color: (0, 0, 0, 1)
+    FloatLayout:
+        Label:
+            text: "Currently Playing"
+            pos_hint: {"y": 0.4}
+            font_size: 35
+            color: app.theme_cls.primary_color
+        MDProgressBar:
+            orientation: "horizontal"
+            value: 100
+            pos_hint: {"y": 0.35}
+            color: app.theme_cls.primary_dark
+        Label:
+            id: current_song
+            text: "Currently playing Song will appear here"
+            pos_hint: {"y": 0.25}
+            font_size: 30
+            color: app.theme_cls.primary_color
+        Label:
+            text: "upcoming"
+            font_size: 25
+            color: app.theme_cls.primary_color
+        Label:
+            id: upcoming_songs
+            text: "Upcoming Songs will appear here"
+            pos_hint: {"y": -0.25}
+            font_size: 20
+            color: app.theme_cls.primary_color
+        Button:
+            text: "back"
+            font_size: 10
+            size_hint: 0.05, 0.05
+            background_color: app.theme_cls.accent_light
+            on_release:
+                app.root.current = "Main"
+                root.manager.transition.direction = "right"

bin/player.py

@@ -0,0 +1,96 @@
+import pygame.mixer as mx
+import bin.csv_parsers
+import copy
+import bin.filepathanalysis
+import pygame
+import time
+
+pa = bin.filepathanalysis.PathAnalysis()
+cvr = bin.csv_parsers.CsvRead()
+cvw = bin.csv_parsers.CsvWrite()
+
+
+class Player:
+    def __init__(self):
+        self.__running = 1
+        self.event = ""
+        self.__recent_change = 1000000
+        self.__imports = []
+        self.information = []
+        self.current_playing_pos = 0
+
+    def start_playing(self):
+        # initialize playing
+        if pygame.get_init() == True:
+            pass
+        else:
+            pygame.init()
+            self.path = cvr.importing("./data/temp.csv").pop(0)
+            self.__imports = pa.validsonglistcreator(self.path.pop())
+            self.playlist = self.__imports.pop(0)
+            self.playlist_backup = copy.deepcopy(self.playlist)
+            self.information = self.__imports.pop(0)
+            mx.init()
+            self.current_playing = self.playlist.pop(0)
+            mx.music.load(self.current_playing)
+            mx.music.play()
+            mx.music.pause()
+
+    def infoupdater(self):
+        self.transmission = []
+        cvw.write_str("./data/songtemp.csv", [self.current_playing_pos])
+        cvw.app_str("./data/songtemp.csv", self.information)
+
+    def musicmanager(self, inst, other):
+        self.start_playing()
+        self.infoupdater()
+        while self.__running == 1:
+            if self.__recent_change < 1:
+                pass
+            else:
+                self.__recent_change -= 1
+            # instructions from main class
+            if other.value == 1:
+                other.value = 0
+                mx.music.unload()
+                if len(self.playlist) > 0:
+                    pass
+                else:
+                    self.playlist = copy.deepcopy(self.playlist_backup)
+                    self.current_playing_pos = -1
+                self.current_playing = self.playlist.pop(0)
+                self.current_playing_pos += 1
+                mx.music.load(self.current_playing)
+                mx.music.play()
+                self.__recent_change = 1000000
+                self.infoupdater()
+
+            elif other.value == 2:
+                mx.music.rewind()
+                other.value = 0
+
+            elif other.value == 3:
+                self.__recent_change = 1000000
+                other.value = 0
+            else:
+                if inst.value == 1:
+                    mx.music.unpause()
+                else:
+                    mx.music.pause()
+            # Main event-checking part
+            if mx.music.get_busy() is False and inst.value == 1 and self.__recent_change == 0:
+                mx.music.unload()
+                if len(self.playlist) > 0:
+                    pass
+                else:
+                    self.playlist = copy.deepcopy(self.playlist_backup)
+                    self.current_playing_pos = -1
+                self.current_playing = self.playlist.pop(0)
+                self.current_playing_pos += 1
+                mx.music.load(self.current_playing)
+                mx.music.play()
+                self.__recent_change = 10000000
+                self.infoupdater()
+            else:
+                pass
+