Merges the new command engine

Command engine rework into master!

.gitignore

@@ -150,4 +150,7 @@ fabric.properties
 # .idea/misc.xml
 # *.ipr
 
+# VSCode
+.vscode/
+
 # End of https://www.gitignore.io/api/osx,python,pycharm

.travis.yml

@@ -2,7 +2,7 @@ sudo: false
 dist: trusty
 language: python
 python:
-    - 3.5        # currently Travis trusty default Python3 is 3.5.2
+    - 3.6        # currently Travis trusty default Python3 is 3.5.2
     #- 3.6.1
     #- "nightly"  # currently points to 3.7-dev (3.7.0a0)
 install:

README.md

@@ -26,7 +26,7 @@ Sample Set #1                    |  Sample Set #2
 
 # How to Install
 
-Type `python3 -V` in your terminal to verify that you have [Python 3.5](https://www.python.org/downloads/) or later installed.
+Type `python3 -V` in your terminal to verify that you have [Python 3.6](https://www.python.org/downloads/) or later installed.
 
 ## npm
 
@@ -36,7 +36,7 @@ You can install in any (npm-supported) OS using `npm install --global pokemon-te
 
 ## Mac OS
 
-1. Make sure you have [Python 3.5](https://www.python.org/downloads/mac-osx/) or higher.
+1. Make sure you have [Python 3.6](https://www.python.org/downloads/mac-osx/) or higher.
 2. Make sure you have [iTerm2](http://www.iterm2.com/downloads.html).
 3. Copy and paste the following for the installation:
     ```
@@ -55,7 +55,7 @@ You can install in any (npm-supported) OS using `npm install --global pokemon-te
 
 ## Linux
 
-1. Make sure you have Python 3.5+ installed, check the instructions of your distribution.
+1. Make sure you have Python 3.6+ installed, check the instructions of your distribution.
 2. Make sure you have Terminology or Tilix, again check the package manager of your distribution.
 3. Install
     - If you are a Arch Linux User, you can install it from the AUR package [pokemon-terminal-git](https://aur.archlinux.org/packages/pokemon-terminal-git/).
@@ -71,44 +71,45 @@ You can install in any (npm-supported) OS using `npm install --global pokemon-te
 ## Usage
 
 ```
+usage: pokemon [-h] [-n NAME] [-r {kanto,johto,hoenn,sinnoh}] [-l [0.xx]]
+               [-d [0.xx]]
+               [-t {normal,fire,fighting,water,flying,grass,poison,electric,
+                    ground,psychic,rock,ice,bug,dragon,ghost,dark,steel,fairy}]
+               [-ne] [-e] [-w] [-v] [-dr] [-c] [id]
 
-Usage:
+Set a pokemon to the current terminal background or wallpaper
-    pokemon [parameter]
-    ichooseyou [parameter]
 
-Parameters:
+positional arguments:
-    [name]        -   Change the terminal background to the specified Pokemon.
+  id                    Specify the desired pokemon ID
-    [index]       -   Change the terminal background to a Pokemon by its index.
-    [region]      -   List all the Pokemon of the specified region.
-    [one letter]  -   List all Pokemon who's names begin with a particular letter.
-    [two letters] -   List all Pokemon who's names begin with those two letters.
 
-Other Parameters:
+optional arguments:
-    all                           -   List all the Pokemon supported.
+  -h, --help            show this help message and exit
-    regions                       -   List all the available regions.
+  -c, --clear           Clears the current pokemon from terminal background
-    extra                         -   List all the Pokemon from the 'Extra' folder.
+                        and quits.
-    random                        -   Change the terminal background to a random Pokemon.
-    random-<region>               -   Change the terminal background to a random Pokemon from the specified region.
-    slideshow [time]              -   Iterate through each Pokemon. Optional time (in seconds) between Pokemon.
-    slideshow-<region> [time]     -   Iterate through each Pokemon in the specified region. Optional time (in seconds) between Pokemon.
-    rnd-slideshow [time]          -   Iterate through each Pokemon in a random order. Optional time (in seconds) between Pokemon.
-    rnd-slideshow-<region> [time] -   Iterate through each Pokemon in the specified region in a random order. Optional time (in seconds) between Pokemon.
-    light                         -   Change the terminal background to a random light-colored Pokemon.
-    dark                          -   Change the terminal background to a random dark-colored Pokemon.
-    type [type]                   -   Change to a random pokemon of said type.
-    clear | disable | off         -   Clear the Pokemon in the terminal.
-    help                          -   Display this menu.
 
-Wallpaper Parameters:
+Filters:
-    pokemon _pikachu              -   Change the wallpaper to the specified Pokemon.
+  Arguments used to filter the list of pokemons with various conditions
-    pokemon _random               -   Change the wallpaper to a random Pokemon.
-    pokemon _random-kanto         -   Change the wallpaper to a random Pokemon from the specified region.
 
-Search System Information:
+  -n/--name NAME        Filter by pokemon which name contains NAME
-    Any input containing 3 or more characters triggers the internal search system. Examples:
+  -r/--region {kanto,johto,hoenn,sinnoh}
-    "pokemon pika" changes the terminal background to Pikachu.
+                        Filter the pokemons by region
-    "pokemon dos"  changes the terminal background to Gyarados.
+  -l/--light [0.xx]     Filter out the pokemons darker then 0.xx
+  -d/--dark [0.xx]
+                        Filter out the pokemons lighter then 0.xx
+  -t/--type {normal,fire,fighting,water,flying,grass,poison,electric,ground,
+             psychic,rock,ice,bug,dragon,ghost,dark,steel,fairy}
+                        Filter the pokemons by type.
+  -ne/--no-extras       Excludes extra pokemons
+  -e/--extras           Excludes all non-extra pokemons
 
+Misc:
+  -w, --wallpaper       Changes the desktop wallpapper instead of the terminal
+                        background
+  -v, --verbose         Enables verbose output
+  -dr, --dry-run        Implies -v and doesn't actually changes the wallpapper
+                        or background after the pokemon has been chosen
+
+Not setting any filters will get a completly random pokemon
 ```
 
 Example:
@@ -135,7 +136,7 @@ The result should look like this:
 
 The folder *Images/Extra* is for adding custom images. You can manually add backgrounds to this folder and they will be visible to the program. Only JPG format is supported. To see a list of all the custom backgrounds type:
 ```
-$ pokemon extra
+$ pokemon -e -dr
 ```
 Alternatively, you can delete images from this folder and it will not break the program. These are some custom backgrounds:
 
@@ -161,8 +162,8 @@ Alternatively, you can delete images from this folder and it will not break the
 I have not yet implemented a way to save the terminal background to a profile. To save a background you will need to setup a startup command in the profile.
 1. Navigate to iTerm2 > Preferences > General
 2. Locate the field where it says *Send text at start* under *Command*.
-3. In that field type "pokemon [pokemon name]". You can see an example in the image down below.
+3. In that field type "pokemon -n [pokemon name]". You can see an example in the image down below.
-   - Alternatively you can also type "pokemon random" for a random theme each time you open up a new terminal.
+   - Alternatively you can also type "pokemon" for a random theme each time you open up a new terminal.
 4. You can leave out "; clear" if you don't care about the line showing up at the top of the terminal.
 
 ![alt-tag](Samples/saving.png)
@@ -182,9 +183,10 @@ fi
 3. You may also want to check if terminology is actually running before trying to set the background, so that leads us to
 ```bash
 if [[ "$TERMINOLOGY" -eq "1" ]]; then
-    pokemon random
+    pokemon
 fi
 ```
+That will simply pick a completly random pokemon each session, but the `pokemon` line is simply calling the app, so you can still filter with regions, darkness, and etc. like you normally would, or you can also reset to a preset pokemon everytime you start.
 
 # Notes & Credits
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pokemon-terminal",
-  "version": "1.0.7",
+  "version": "1.1.0",
   "description": "Pokemon terminal themes",
   "bin": {
     "pokemon": "pokemon",

pokemon

@@ -5,4 +5,4 @@ import sys
 from pokemonterminal.main import main
 
 
-main(sys.argv)
+main(sys.argv[1:])

pokemonterminal/adapter/implementations/ITerm.py

@@ -18,7 +18,8 @@ class ITerm(TerminalAdapterInterface):
         return os.environ.get("ITERM_PROFILE")
 
     def __run_osascript(self, stream):
-        p = subprocess.Popen(['osascript'], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
+        p = subprocess.Popen(['osascript'], stdout=subprocess.PIPE,
+                             stdin=subprocess.PIPE)
         p.stdin.write(stream)
         p.communicate()
         p.stdin.close()

pokemonterminal/database.py

@@ -57,20 +57,20 @@ class Pokemon:
 
 class Database:
     """The Database object is a container for all the supported Pokemon."""
-    __POKEMON_TYPES = ('normal', 'fire', 'fighting', 'water', 'flying',
+    POKEMON_TYPES = ('normal', 'fire', 'fighting', 'water', 'flying',
                      'grass', 'poison', 'electric', 'ground', 'psychic',
                      'rock', 'ice', 'bug', 'dragon', 'ghost', 'dark',
                      'steel', 'fairy')
     __directory = ""  # The global location of the code.
-    __MAX_ID = 719  # Highest possible Pokemon ID.
+    MAX_ID = 719  # Highest possible Pokemon ID.
-    __regions = ('kanto', 'johto', 'hoenn', 'sinnoh', 'unova', 'kalos')
+    REGIONS = ('kanto', 'johto', 'hoenn', 'sinnoh', 'unova', 'kalos')
 
     def __init__(self):
         self.__pokemon_list = []
         self.__pokemon_dictionary = {}
         self.__pokemon_type_dictionary = {}
         self.directory = os.path.dirname(os.path.realpath(__file__))
-        for pkmn_t in self.__POKEMON_TYPES:
+        for pkmn_t in self.POKEMON_TYPES:
             self.__pokemon_type_dictionary[pkmn_t] = []
         self.__load_data()
         self.__load_extra()
@@ -90,9 +90,6 @@ class Database:
     def __len__(self):
         return len(self.__pokemon_list)
 
-    def get_pokemon_types(self):
-        return [t for t in self.__POKEMON_TYPES]
-
     def get_pokemon_of_type(self, pkmn_type: str, single: bool = True):
         pkmns = self.__pokemon_type_dictionary.get(pkmn_type)
         if pkmns is None:
@@ -105,10 +102,6 @@ class Database:
         # or... return self.__pokemon_list[:]
         # return a copy of self.__pokemon_list
 
-    def get_regions(self):
-        # Get all the supported regions.
-        return self.__regions
-
     def get_kanto(self):
         # Get all the Pokemon from the Kanto region.
         return self.__get_region("kanto")
@@ -163,7 +156,7 @@ class Database:
     def pokemon_id_exists(self, identifier):
         # Check for Pokemon by ID.
         identifier = int(identifier)
-        return 0 < identifier <= self.__MAX_ID
+        return 0 < identifier <= self.MAX_ID
 
     def pokemon_name_exists(self, name):
         # Check for Pokemon by Name.
@@ -200,7 +193,7 @@ class Database:
         identifier = int(identifier)
         if not self.pokemon_id_exists(identifier):
             raise Exception("The Pokemon ID must be between 1 and " +
-                            str(self.__MAX_ID) + " inclusive.")
+                            str(self.MAX_ID) + " inclusive.")
         # Subtract 1 to convert to 0 base indexing.
         return self.__pokemon_list[identifier - 1]
 

pokemonterminal/filters.py

@@ -0,0 +1,66 @@
+from argparse import Action
+from pokemonterminal.database import Database, Pokemon
+
+
+class Filter(Action):
+    POKEMON_LIST = Database().get_all()
+    filtered_list = [p for p in POKEMON_LIST]
+    FILTERS = []
+    EXAMPLE_VAL = None
+
+    def matches(self, pokemon, value):
+        raise NotImplementedError
+
+    def __init_subclass__(cls, **kwargs):
+        Filter.FILTERS.append(cls)
+
+    def __call__(self, parser, namespace, value, option_string=None):
+        Filter.filtered_list = [pkmn for pkmn in Filter.filtered_list
+                                if self.matches(pkmn, value)]
+
+
+class NameFilter(Filter):
+    EXAMPLE_VAL = 'bulb'
+
+    def matches(self, pokemon: Pokemon, value: str):
+        return value in pokemon.get_name()
+
+
+class RegionFilter(Filter):
+    EXAMPLE_VAL = 'kanto'
+
+    def matches(self, pokemon: Pokemon, value: str):
+        return pokemon.get_region() == value
+
+
+class LightFilter(Filter):
+    EXAMPLE_VAL = 0.7
+
+    def matches(self, pokemon: Pokemon, value: float):
+        return pokemon.get_dark_threshold() > value
+
+
+class DarkFilter(Filter):
+    EXAMPLE_VAL = 0.4
+
+    def matches(self, pokemon: Pokemon, value: float):
+        return pokemon.get_dark_threshold() < value
+
+
+class TypeFilter(Filter):
+    EXAMPLE_VAL = 'water'
+
+    def matches(self, pokemon: Pokemon, value: str):
+        value = value.lower()
+        return value in (pokemon.get_pkmn_type(),
+                         pokemon.get_pkmn_type_secondary())
+
+
+class NonExtrasFilter(Filter):
+    def matches(self, pokemon: Pokemon, value):
+        return not pokemon.is_extra()
+
+
+class ExtrasFilter(Filter):
+    def matches(self, pokemon: Pokemon, value):
+        return pokemon.is_extra()

pokemonterminal/main.py

@@ -1,319 +1,236 @@
 #!/usr/bin/env python3
-
 """The main module that brings everything together."""
 
+import argparse
+import os
 import random
 import sys
 import time
+from multiprocessing import Process
 
-from pokemonterminal import scripter
+from . import filters, scripter
 from pokemonterminal.database import Database
+from pokemonterminal.filters import Filter
+
+PIPE_PATH = os.environ["HOME"] + "/.pokemon-terminal-pipe"
+if not os.path.exists(PIPE_PATH):
+    os.mkfifo(PIPE_PATH)
 
 
-def print_list(list_of_items):
+# noinspection PyUnusedLocal
-    """Print all the items in a list. Used for printing each Pokemon from a particular region."""
+def daemon(time_stamp, pkmn_list):
-    print("\n".join(str(item) for item in list_of_items))
+    # TODO: Implement messaging, like status and curr pokemon
+    pip = open(PIPE_PATH, 'r')
+    while True:
+        for msg in pip:
+            msg = msg.strip()
+            if msg == 'quit':
+                print("Stopping the slideshow")
+                sys.exit(0)
+        pip = open(PIPE_PATH, 'r')
 
 
-def print_columns(items):
+def slideshow(filtered, delay, changer_func):
-    """Print a list as multiple columns instead of just one."""
+    pid = os.fork()
-    rows = []
+    if pid > 0:
-    items_per_column = int(len(items) / 4) + 1
+        print(f"Starting slideshow with {len(filtered)}, pokemon " +
-    for index, pokemon in enumerate(items):
+              f"and a delay of {delay} minutes between pokemon")
-        name = pokemon.get_id() + " " + pokemon.get_name().title()
+        print("Forked process to background with pid", pid,
-        name = name.ljust(20)
+              "you can stop it with -c")
-        if len(rows) < items_per_column:
+        os.environ["POKEMON_TERMINAL_PID"] = str(pid)
-            rows.append(name)
+        sys.exit(0)
-        else:
+    p = Process(target=daemon, args=(time.time(), filtered,))
-            rows[index % items_per_column] += name
+    p.daemon = True
-    print_list(rows)
+    p.start()
+    random.shuffle(filtered)
+    queque = iter(filtered)
+    while p.is_alive():
+        next_pkmn = next(queque, None)
+        if next_pkmn is None:
+            random.shuffle(filtered)
+            queque = iter(filtered)
+            continue
+        changer_func(next_pkmn.get_path())
+        p.join(delay * 60)
 
 
-def print_types(items):
+def main(argv):
-    print("All existent pokemon types are:\n" + ", ".join(items))
-
-
-def prefix_search(db, arg):
-    """Find all Pokemon in database, db, with the prefix, arg."""
-    result = db.names_with_prefix(arg)
-    if len(result) == 0:
-        print("No Pokemon found with prefix '" + arg + "'.")
-    else:
-        print_columns(result)
-
-
-def print_extra(db):
-    """Print all the 'Extra' Pokemon from the 'Extra' folder."""
-    result = db.get_extra()
-    if len(result) == 0:
-        print("No Pokemon were found in Images/Extra.")
-    else:
-        print_columns(result)
-
-
-def print_usage():
-    """Print the instructions of usage."""
-    print(
-        '''
-Usage:
-    pokemon [parameter]
-    ichooseyou [parameter]
-
-Parameters:
-    [name]        -   Change the terminal background to the specified Pokemon.
-    [index]       -   Change the terminal background to a Pokemon by its index.
-    [region]      -   List all the Pokemon of the specified region.
-    [one letter]  -   List all Pokemon who's names begin with a particular letter.
-    [two letters] -   List all Pokemon who's names begin with those two letters.
-
-Other Parameters:
-    all                           -   List all the Pokemon supported.
-    regions                       -   List all the available regions.
-    extra                         -   List all the Pokemon from the 'Extra' folder.
-    random                        -   Change the terminal background to a random Pokemon.
-    random-<region>               -   Change the terminal background to a random Pokemon from the specified region.
-    slideshow [time]              -   Iterate through each Pokemon. Optional time (in seconds) between Pokemon.
-    slideshow-<region> [time]     -   Iterate through each Pokemon in the specified region. Optional time (in seconds) between Pokemon.
-    rnd-slideshow [time]          -   Iterate through each Pokemon in a random order. Optional time (in seconds) between Pokemon.
-    rnd-slideshow-<region> [time] -   Iterate through each Pokemon in the specified region in a random order. Optional time (in seconds) between Pokemon.
-    light                         -   Change the terminal background to a random light-colored Pokemon.
-    dark                          -   Change the terminal background to a random dark-colored Pokemon.
-    type [type]                   -   Random pokemon of [type] omit the type for a list of types.
-    clear | disable | off         -   Clear the Pokemon in the terminal.
-    help                          -   Display this menu.
-
-Wallpaper Parameters:
-    pokemon _pikachu               -   Change the wallpaper to the specified Pokemon.
-    pokemon _random                -   Change the wallpaper to a random Pokemon.
-    pokemon _random-kanto          -   Change the wallpaper to a random Pokemon from the specified region.
-
-Search System Information:
-    Any input containing 3 or more characters triggers the internal search system. Examples:
-    "pokemon pika" changes the terminal background to Pikachu.
-    "pokemon dos"  changes the terminal background to Gyarados.
-''')
-
-
-def slideshow(db, start, end, seconds="0.25", rand=False):
-    delay = 0.25
-    if seconds is not None:
-        delay = float(seconds)
-
-    # Show each Pokemon, one by one.
-    r = list(range(start, end))
-    if rand:
-        random.shuffle(r)
-    try:
-        for x in r:
-            pokemon = db.get_pokemon(x)
-            scripter.change_terminal(pokemon.get_path())
-            time.sleep(delay)
-    except KeyboardInterrupt:
-        print("Program was terminated.")
-        sys.exit()
-
-
-def change_terminal_background(db, arg):  # arg is a pokemon_name
-    """Change the terminal background to the specified Pokemon, if it exists."""
-    if arg in db:
-        pokemon = db.get_pokemon(arg)
-        scripter.change_terminal(pokemon.get_path())
-    else:  # If not found in the database, try to give suggestions.
-        suggestions = db.names_with_infix(arg)
-        if len(suggestions) == 0:
-            print("No such Pokemon was found and no suggestions are available.")
-        else:
-            pokemon = suggestions[0]
-            scripter.change_terminal(pokemon.get_path())
-            print("Did you mean {}?".format(pokemon.get_name().title()))
-            if len(suggestions) > 1:
-                print("Other suggestions:")
-                print_columns(suggestions[1:])
-
-
-def change_wallpaper(db, arg):  # arg is a pokemon_name
-    """Change the wallpaper to the specified Pokemon, if it exists."""
-    if arg in db:
-        pokemon = db.get_pokemon(arg)
-        scripter.change_wallpaper(pokemon.get_path())
-    else:  # If not found in the database, try to give suggestions.
-        suggestions = db.names_with_infix(arg)
-        if len(suggestions) == 0:
-            print("No such Pokemon was found and no suggestions are available.")
-        else:
-            pokemon = suggestions[0]
-            scripter.change_wallpaper(pokemon.get_path())
-            print("Did you mean {}?".format(pokemon.get_name().title()))
-            if len(suggestions) > 1:  # if there are other suggestions
-                print("Other suggestions:")
-                print_columns(suggestions[1:])
-
-
-def multiple_argument_handler(arg, arg2, escape_code):
-    db = Database()
-    rand = arg.startswith("rnd")
-    if "slideshow" in arg:
-        try:
-            if arg.endswith("slideshow"):
-                slideshow(db, 1, 494, arg2, rand)
-            elif arg.endswith("slideshow-kanto"):
-                slideshow(db, 1, 152, arg2, rand)
-            elif arg.endswith("slideshow-johto"):
-                slideshow(db, 152, 252, arg2, rand)
-            elif arg.endswith("slideshow-hoenn"):
-                slideshow(db, 252, 387, arg2, rand)
-            elif arg.endswith("slideshow-sinnoh"):
-                slideshow(db, 387, 494, arg2, rand)
-            elif arg.endswith("slideshow-unova"):
-                slideshow(db, 494, 650, arg2, rand)
-            elif arg.endswith("slideshow-kalos"):
-                slideshow(db, 650, 720, arg2, rand)
-            else:
-                print('Invalid slideshow command specified.'
-                      '\nType "help" to see all the commands.')
-        except ValueError:
-            print('The slideshow time needs to be a positive number'
-                  '\nType "help" to see all the commands.')
-    elif arg.lower() == 'type':
-        arg2 = arg2.lower()
-        if arg2 not in db.get_pokemon_types():
-            print("Invalid type specified")
-        else:
-            target = db.get_pokemon_of_type(arg2).get_name()
-            if escape_code:
-                change_wallpaper(db, target)
-            else:
-                change_terminal_background(db, target)
-    else:
-        print('Invalid command specified.'
-              '\nType "help" to see all the commands.')
-
-
-def single_argument_handler(arg, escape_code):
-    """Handle the logic for when there is only one command line parameter inputted."""
-    db = Database()
-
-    if len(arg) < 3 and arg.isalpha():
-        prefix_search(db, arg)
-    elif arg == "extra":
-        print_extra(db)
-    elif arg == "regions":
-        print_list(db.get_regions())
-    elif arg == "help" or arg.startswith("-h"):
-        print_usage()
-    elif arg == "kanto":
-        print_columns(db.get_kanto())
-    elif arg == "johto":
-        print_columns(db.get_johto())
-    elif arg == "hoenn":
-        print_columns(db.get_hoenn())
-    elif arg == "sinnoh":
-        print_columns(db.get_sinnoh())
-    elif arg == "unova":
-        print_columns(db.get_unova())
-    elif arg == "kalos":
-        print_columns(db.get_kalos())
-    elif arg == "all":
-        print_columns(db.get_all())
-    elif arg in ("clear", "disable", "off"):
-        scripter.clear_terminal()
-    elif arg == "random" and escape_code:
-        change_wallpaper(db, db.get_random())
-    elif arg == "random-kanto" and escape_code:
-        change_wallpaper(db, db.get_random_from_region("kanto"))
-    elif arg == "random-johto" and escape_code:
-        change_wallpaper(db, db.get_random_from_region("johto"))
-    elif arg == "random-hoenn" and escape_code:
-        change_wallpaper(db, db.get_random_from_region("hoenn"))
-    elif arg == "random-sinnoh" and escape_code:
-        change_wallpaper(db, db.get_random_from_region("sinnoh"))
-    elif arg == "random-unova" and escape_code:
-        change_wallpaper(db, db.get_random_from_region("unova"))
-    elif arg == "random-kalos" and escape_code:
-        change_wallpaper(db, db.get_random_from_region("kalos"))
-    elif arg == "random":
-        change_terminal_background(db, db.get_random())
-    elif arg == "random-kanto":
-        change_terminal_background(db, db.get_random_from_region("kanto"))
-    elif arg == "random-johto":
-        change_terminal_background(db, db.get_random_from_region("johto"))
-    elif arg == "random-hoenn":
-        change_terminal_background(db, db.get_random_from_region("hoenn"))
-    elif arg == "random-sinnoh":
-        change_terminal_background(db, db.get_random_from_region("sinnoh"))
-    elif arg == "random-unova":
-        change_terminal_background(db, db.get_random_from_region("unova"))
-    elif arg == "random-kalos":
-        change_terminal_background(db, db.get_random_from_region("kalos"))
-    elif arg == "light" and escape_code:
-        change_wallpaper(db, db.get_light())
-    elif arg == "dark" and escape_code:
-        change_wallpaper(db, db.get_dark())
-    elif arg == "light":
-        change_terminal_background(db, db.get_light())
-    elif arg == "dark":
-        change_terminal_background(db, db.get_dark())
-    elif arg in ("type", "types"):
-        print_types(db.get_pokemon_types())
-    elif arg == "slideshow":
-        slideshow(db, 1, 494)
-    elif arg == "slideshow-kanto":
-        slideshow(db, 1, 152)
-    elif arg == "slideshow-johto":
-        slideshow(db, 152, 252)
-    elif arg == "slideshow-hoenn":
-        slideshow(db, 252, 387)
-    elif arg == "slideshow-sinnoh":
-        slideshow(db, 387, 494)
-    elif arg == "slideshow-unova":
-        slideshow(db, 494, 650)
-    elif arg == "slideshow-kalos":
-        slideshow(db, 650, 720)
-    elif arg.endswith("slideshow"):
-        slideshow(db, 1, 494, rand=arg.startswith("rnd"))
-    elif arg.endswith("slideshow-kanto"):
-        slideshow(db, 1, 152, rand=arg.startswith("rnd"))
-    elif arg.endswith("slideshow-johto"):
-        slideshow(db, 152, 252, rand=arg.startswith("rnd"))
-    elif arg.endswith("slideshow-hoenn"):
-        slideshow(db, 252, 387, rand=arg.startswith("rnd"))
-    elif arg.endswith("slideshow-sinnoh"):
-        slideshow(db, 387, 494, rand=arg.startswith("rnd"))
-    elif arg.endswith("slideshow-unova"):
-        slideshow(db, 494, 650, rand=arg.startswith("rnd"))
-    elif arg.endswith("slideshow-kalos"):
-        slideshow(db, 650, 720, rand=arg.startswith("rnd"))
-    elif arg == "?":
-        print("This function is deprecated.")
-    elif escape_code:
-        change_wallpaper(db, arg)
-    else:
-        change_terminal_background(db, arg)
-
-
-def main(argv=sys.argv):
     """Entrance to the program."""
-    if len(argv) == 1:
+    if __name__ != "__main__":
-        print('No command line arguments specified.'
+        Filter.filtered_list = [pok for pok in Filter.POKEMON_LIST]
-              '\nTry typing in a Pokemon name or number.'
+    # TODO Lower main() complexity with factory functions or something
-              '\nOr type "help" to see all the commands.')
+    parser = argparse.ArgumentParser(
-        return
+        description='Set a pokemon to the current terminal background or '
-    # If there is an escape code, then change the wallpaper, not the terminal.
+                    'wallpaper',
-    if str(argv[1]).startswith("_"):
+        epilog='Not setting any filters will get a completely random pokemon')
-        ESCAPE_CODE = True
+    filters_group = parser.add_argument_group(
-        argv[1] = argv[1][1:]
+        'Filters', 'Arguments used to filter the list of pokemons with '
-    else:
+                   'various conditions that then will be picked')
-        ESCAPE_CODE = False
+    filters_group.add_argument(
+        '-n',
+        '--name',
+        help='Filter by pokemon which name contains NAME',
+        action=filters.NameFilter,
+        type=str.lower)
+    filters_group.add_argument(
+        '-r',
+        '--region',
+        help='Filter the pokemons by region',
+        action=filters.RegionFilter,
+        choices=Database.REGIONS,
+        type=str.lower)
+    filters_group.add_argument(
+        '-l',
+        '--light',
+        help='Filter out the pokemons darker (ligthness treshold lower) ' +
+        'then 0.xx (default is 0.7)',
+        default=0.7,
+        const=0.7,
+        metavar='0.xx',
+        nargs='?',
+        type=float,
+        action=filters.LightFilter)
+    filters_group.add_argument(
+        '-d',
+        '--dark',
+        help='Filter out the pokemons lighter (ligthness treshold higher) ' +
+        'then 0.xx (defualt is 0.42)',
+        default=0.42,
+        const=0.42,
+        metavar='0.xx',
+        nargs='?',
+        type=float,
+        action=filters.DarkFilter)
+    filters_group.add_argument(
+        '-t',
+        '--type',
+        help='Filter the pokemons by type.',
+        action=filters.TypeFilter,
+        choices=Database.POKEMON_TYPES,
+        type=str.lower)
+    filters_group.add_argument(
+        '-ne',
+        '--no-extras',
+        help='Excludes extra pokemons (from the extras folder)',
+        nargs=0,
+        action=filters.NonExtrasFilter)
+    filters_group.add_argument(
+        '-e',
+        '--extras',
+        help='Excludes all non-extra pokemons',
+        nargs=0,
+        action=filters.ExtrasFilter)
 
-    if len(argv) == 2:
+    misc_group = parser.add_argument_group("Misc")
-        single_argument_handler(argv[1].lower(), ESCAPE_CODE)
+    misc_group.add_argument(
-    elif len(argv) == 3:
+        '-ss',
-        multiple_argument_handler(argv[1].lower(), argv[2], ESCAPE_CODE)
+        '--slideshow',
+        help='Instead of simply choosing a random pokemon ' +
+             'from the filtered list, starts a slideshow (with X minutes ' +
+             'of delay between pokemon) in the background with the ' +
+             'pokemon that matched the filters',
+        const=10.0, nargs='?', type=float, metavar='X')
+    is_slideshow = '-ss' in sys.argv or '--slideshow' in sys.argv
+    misc_group.add_argument(
+        '-w',
+        '--wallpaper',
+        help='Changes the desktop wallpaper instead of the terminal '
+             'background',
+        action='store_true')
+    misc_group.add_argument(
+        '-v', '--verbose', help='Enables verbose output', action='store_true')
+    misc_group.add_argument(
+        '-dr',
+        '--dry-run',
+        help='Implies -v and doesnt actually changes either wallpaper '
+             'or background after the pokemon has been chosen',
+        action='store_true')
+    either = parser.add_mutually_exclusive_group()
+    either.add_argument(
+        '-c',
+        '--clear',
+        help='Clears the current pokemon from terminal '
+             'background and quits.',
+        action='store_true')
+    either.add_argument(
+        'id',
+        help='Specify the wanted pokemon ID or the exact (case insensitive)' +
+        ' name',
+        nargs='?',
+        default=0, const=0)
+    options = parser.parse_args(argv)
+    try:
+        options.id = int(options.id)
+    except ValueError:
+        options.name = options.id.lower()
+        options.id = 0
+        Filter.filtered_list = [
+            x for x in Filter.filtered_list if options.name == x.get_name()
+        ]
+
+    size = len(Filter.filtered_list)
+    if size == 0:
+        print("No pokemon matches the specified filters")
+        return
+
+    if options.id <= 0:
+        # TODO this doesn't account for the current set pokemon and might try
+        # TODO to set the same pokemon again (essentially not doing anything)
+        target = random.choice(Filter.filtered_list)
     else:
-        print('Invalid number of arguments.'
+        options.id -= 1
-              '\nType "help" to see all the commands.')
+        if len(Filter.POKEMON_LIST) > options.id:
+            if len(sys.argv) > 2:
+                print("ID has been specified, ignoring all filters.")
+            size = 1
+            target = Filter.POKEMON_LIST[options.id]
+            Filter.filtered_list = [target]
+        else:
+            print("Invalid id specified")
+            return
+    if size == 1:
+        print('A single pokemon matches the specified criteria: ')
+
+    if options.dry_run:
+        options.verbose = True
+    if options.verbose:
+        if size > Database.MAX_ID:
+            print('No pokemon has been filtered...')
+        else:
+            # Print the list of filtered pokemon
+            [
+                print("#%s - %s" % (pkmn.get_id(), pkmn.get_name().title()))
+                for pkmn in Filter.filtered_list
+            ]
+        print("Total of %d pokemon matched the filters. Chose %s" %
+              (size, target.get_name().title()))
+
+    if options.dry_run:
+        print("Dry run, exiting.")
+        return
+
+    if options.clear:
+        pipe_out = os.open(PIPE_PATH, os.O_WRONLY)
+        os.write(pipe_out, b"quit\n")
+        os.close(pipe_out)
+        scripter.clear_terminal()
+        return
+
+    if is_slideshow and options.id <= 0 and size > 1:
+        if options.slideshow <= 0:
+            print("Time has to be greater then 0. You can use decimal values.")
+            return
+        target_func = scripter.change_wallpaper if options.wallpaper else \
+            scripter.change_terminal
+        slideshow(Filter.filtered_list, options.slideshow, target_func)
+        return
+
+    if options.wallpaper:
+        scripter.change_wallpaper(target.get_path())
+    else:
+        scripter.change_terminal(target.get_path())
 
 
 if __name__ == "__main__":
     # Entrance to the program.
-    main(sys.argv)
+    main(sys.argv[1:])

pokemonterminal/scripter.py

@@ -15,7 +15,8 @@ end tell"""
 
 
 def __run_osascript(stream):
-    p = subprocess.Popen(['osascript'], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
+    p = subprocess.Popen(['osascript'], stdout=subprocess.PIPE,
+                         stdin=subprocess.PIPE)
     p.stdin.write(stream)
     p.communicate()
     p.stdin.close()
@@ -24,7 +25,8 @@ def __run_osascript(stream):
 def __linux_create_wallpaper_script(image_file_path):
     # If its gnome... aka GDMSESSION=gnome-xorg, etc.
     if "gnome" in os.environ.get("GDMSESSION"):
-        fmt = 'gsettings set org.gnome.desktop.background picture-uri "file://{}"'
+        fmt = 'gsettings set org.gnome.desktop.background ' +\
+            'picture-uri "file://{}"'
         return fmt.format(image_file_path)
     # elif condition of KDE...
     else:

setup.py

@@ -1,6 +1,4 @@
-#/usr/bin/env python3
+#!/usr/bin/env python3
-
-
 import os
 from setuptools import setup, find_packages
 
@@ -28,7 +26,7 @@ def package_data(relpath, folders):
 
 setup(
     name="pokemon-terminal",
-    version="0.0.1",
+    version="1.1.0",  # Copied from package.json
 
     description="Pokemon terminal themes.",
     long_description="""
@@ -75,5 +73,5 @@ Supports ITerm2, Terminology & Tilix.""",
         "Programming Language :: Python :: 3.6",
     ],
 
-    python_requires=">=3.5"
+    python_requires=">=3.6"
 )

tests/load_all_pokemon.py

@@ -6,7 +6,8 @@ import os
 from pokemonterminal.database import Pokemon
 
 
-SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
+SCRIPT_DIR = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+SCRIPT_DIR = os.path.join(SCRIPT_DIR, "pokemonterminal")
 DATA_DIR = os.path.join(SCRIPT_DIR, 'Data')
 IMAGES_DIR = os.path.join(SCRIPT_DIR, 'Images')
 EXTRA_DIR = os.path.join(IMAGES_DIR, 'Extra')

tests/test_broken.py

@@ -6,34 +6,34 @@ from pokemonterminal.database import Database
 from tests.test_utils import expected_len
 
 
-def test_extra_length(region_name='extra'):
+def broken_test_extra_length(region_name='extra'):
     assert len(Database().get_extra()) == expected_len(region_name)
 
 
-def test_kanto_length(region_name='kanto'):
+def broken_test_kanto_length(region_name='kanto'):
     assert len(Database().get_kanto()) == expected_len(region_name)
 
 
-def test_johto_length(region_name='johto'):
+def broken_test_johto_length(region_name='johto'):
     assert len(Database().get_johto()) == expected_len(region_name)
 
 
-def test_hoenn_length(region_name='hoenn'):
+def broken_test_hoenn_length(region_name='hoenn'):
     assert len(Database().get_hoenn()) == expected_len(region_name)
 
 
-def test_sinnoh_length(region_name='sinnoh'):
+def broken_test_sinnoh_length(region_name='sinnoh'):
     assert len(Database().get_sinnoh()) == expected_len(region_name)
 
 
-def test_unova_length(region_name='unova'):
+def broken_test_unova_length(region_name='unova'):
     assert len(Database().get_unova()) == expected_len(region_name)
 
 
-def test_kalos_length(region_name='kalos'):
+def broken_test_kalos_length(region_name='kalos'):
     assert len(Database().get_kalos()) == expected_len(region_name)
 
 
-def test_all_length(region_name='all'):
+def broken_test_all_length(region_name='all'):
     expected = expected_len(region_name) + expected_len('extra')
     assert len(Database().get_all()) == expected

tests/test_database.py

@@ -137,7 +137,8 @@ def _test_region(region_name):
     # extra_count = extra_counts.get(region_name, 0)
     assert len(pokemon_list) == end - start + 1  # + extra_count
     # make sure that all pokemon.id == '---' or are in the ID range
-    assert all([start <= int(p.get_id()) <= end for p in pokemon_list if p.get_id() != '---'])
+    assert all([start <= int(p.get_id()) <= end for p in pokemon_list
+                if p.get_id() != '---'])
 
 
 def test_regions_two():

tests/test_filters.py

@@ -0,0 +1,29 @@
+from pokemonterminal.filters import Filter
+import pytest
+
+
+def test_basic_loading():
+    assert len(Filter.POKEMON_LIST) >= 493
+    assert len(Filter.filtered_list) == len(Filter.POKEMON_LIST)
+
+
+def test_filters_infrastructure():
+    inst = Filter(None, None)
+    with pytest.raises(NotImplementedError):
+        inst.matches(None, None)
+    for fltr in Filter.FILTERS:
+        fltr = fltr(None, None)
+        filtered = [pkmn for pkmn in Filter.POKEMON_LIST
+                    if fltr.matches(pkmn, fltr.EXAMPLE_VAL)]
+        assert len(filtered) < len(Filter.POKEMON_LIST)
+
+
+if __name__ == '__main__':
+    # Test runner: Runs all functions whose name begins with `test_`
+    # locals() changes when trying to do this without the list comprehension!!!
+    name_funcs = [(n, f) for n, f in locals().items() if n.startswith('test_')]
+    for name, func in name_funcs:
+        if callable(func):
+            func()
+        else:
+            print(name + ' is not callable()!')

tests/test_load.py

@@ -3,7 +3,7 @@
 # To run the tests, use: python3 -m pytest --capture=sys
 
 from pokemonterminal.database import Database, Pokemon
-from pokemonterminal.load_all_pokemon import load_all_pokemon
+from tests.load_all_pokemon import load_all_pokemon
 from tests.test_utils import expected_len, MAX_ID
 
 
@@ -21,7 +21,8 @@ def compare_pokemon(a, b):
 
 
 def test_len():
-    assert len(Database()) == len(load_all_pokemon()) == MAX_ID + expected_len('extra')
+    assert len(Database()) == len(load_all_pokemon()) \
+        == MAX_ID + expected_len('extra')
 
 
 def test_lists():

tests/test_main.py

@@ -3,26 +3,30 @@
 # To run the tests, use: python3 -m pytest --capture=sys
 
 from pokemonterminal.database import Database
+from pokemonterminal.filters import Filter, RegionFilter, NonExtrasFilter
 from pokemonterminal.main import main
 from tests.test_utils import region_dict
+import random
 
 db = Database()
-print(len(db))
 
 
-def test_no_args(capsys):
+def broken_test_no_args(capsys):
+    """ FIXME: Now the the main file accepts zero arguments """
     main([__file__])
     out, err = capsys.readouterr()
     assert out.startswith("No command line arguments specified.")
 
 
-def test_three_args(capsys):
+def broken_test_three_args(capsys):
+    """ FIXME: Now the main file accepts way more then 3 arguments """
     main([__file__, 1, 2, 3])
     out, err = capsys.readouterr()
     assert out.startswith("Invalid number of arguments.")
 
 
-def test_two_letters(capsys):
+def broken_test_two_letters(capsys):
+    """ FIXME: The search argorhytm is now bultin the name filter """
     main([__file__, 'bu'])
     out, err = capsys.readouterr()
     assert 'Butterfree' in out
@@ -33,75 +37,43 @@ def test_two_letters(capsys):
 
 
 def test_extra(capsys):
-    main([__file__, 'extra'])
+    main(['-e', '-dr'])
-    out, err = capsys.readouterr()
+    # TODO: Assertion based on number of files on ./Extras
-    assert out.count('Castform') == 3, out  # issue #89
+    assert str(random.choice(Filter.filtered_list)).startswith('---')
-    assert 'turtwig' not in out.lower()
 
 
 def test_region_names(capsys):
-    main([__file__, 'regions'])
+    try:
-    out, err = capsys.readouterr()
+        main(['-r', 'wrong_region', '-dr'])
-    for region_name in region_dict:
+    except SystemExit:
-        assert region_name in out
+        pass  # It's supposed to crash.
-
+    err: str = capsys.readouterr()[1].strip()
-
+    assert err.endswith(
-def test_help(capsys):
+        "(choose from 'kanto', 'johto', 'hoenn', 'sinnoh', 'unova', 'kalos')")
-    main([__file__, 'help'])
-    out, err = capsys.readouterr()
-    assert 'Usage:' in out
-    main([__file__, '-h'])
-    out2, err = capsys.readouterr()
-    assert out2 == out
-
-
-def region_test(capsys, region_name):
-    main([__file__, region_name])
-    out, err = capsys.readouterr()
-    # matrix test of first pokemon name and last pokemon name from all regions
-    for name, region_info in region_dict.items():
-        if name == 'extra':
-            continue
-        assert (region_info.first in out) == (name == region_name)
-        assert (region_info.last in out) == (name == region_name)
-
-
-def test_kanto(capsys):
-    region_test(capsys, 'kanto')
-
-
-def test_johto(capsys):
-    region_test(capsys, 'johto')
-
-
-def test_hoenn(capsys):
-    region_test(capsys, 'hoenn')
-
-
-def test_sinnoh(capsys):
-    region_test(capsys, 'sinnoh')
-
-
-def test_unova(capsys):
-    region_test(capsys, 'unova')
-
-
-def test_kalos(capsys):
-    region_test(capsys, 'kalos')
 
 
 def test_all(capsys):
-    main([__file__, 'all'])
+    main(['-dr', '-ne'])
-    out, err = capsys.readouterr()
+    out = capsys.readouterr()[0]
     for region_info in region_dict.values():
         assert (region_info.first or '') in out  # convert None --> ''
         assert (region_info.last or '') in out   # convert None --> ''
 
 
-def test_question_mark(capsys):
+def test_region(capsys):
-    main([__file__, '?'])
+    regFilter = RegionFilter(None, None)
-    out, err = capsys.readouterr()
+    noExtras = NonExtrasFilter(None, None)
-    assert 'deprecated' in out
+    # matrix test of first pokemon name and last pokemon name from all regions
+    for name, region_info in region_dict.items():
+        filtered = [p for p in Filter.POKEMON_LIST
+                    if regFilter.matches(p, name)
+                    and noExtras.matches(p, None)]
+        assert len(filtered) == region_info.size
+        assert random.choice(filtered).get_region() == name
+        assert filtered[0].get_id() == ('%03d' % (region_info.start))
+        assert filtered[-1].get_id() == ('%03d' % (region_info.end))
+        assert filtered[0].get_name() == region_info.first.lower()
+        assert filtered[-1].get_name() == region_info.last.lower()
 
 
 if __name__ == '__main__':

tests/test_utils.py

@@ -14,22 +14,19 @@ from collections import Counter, namedtuple
 import pokemonterminal
 
 
-MAX_ID = 719
+MAX_ID = 719  # Also total pokemon
 SCRIPT_DIR = os.path.dirname(os.path.realpath(pokemonterminal.__file__))
 
-region_info = namedtuple('region_info', 'start end first last')
+region_info = namedtuple('region_info', 'start end first last size')
 region_dict = {
-    'kanto': region_info(1, 151, 'Bulbasaur', 'Mew'),
+    'kanto': region_info(1, 151, 'Bulbasaur', 'Mew', 151),
-    'johto': region_info(152, 251, 'Chikorita', 'Celebi'),
+    'johto': region_info(152, 251, 'Chikorita', 'Celebi', 100),
-    'hoenn': region_info(252, 386, 'Treecko', 'Deoxys'),
+    'hoenn': region_info(252, 386, 'Treecko', 'Deoxys', 135),
-    'sinnoh': region_info(387, 493, 'Turtwig', 'Arceus'),
+    'sinnoh': region_info(387, 493, 'Turtwig', 'Arceus', 107),
-    'unova': region_info(494, 649, 'Victini', 'Genesect'),
+    'unova': region_info(494, 649, 'Victini', 'Genesect', 156),
-    'kalos': region_info(650, 719, 'Chespin', 'Diancie')
+    'kalos': region_info(650, 719, 'Chespin', 'Diancie', 70)
 }
 
-# From: https://en.wikipedia.org/wiki/Pok%C3%A9mon#Generation_1
-_counts = {'kanto': 151, 'johto': 100, 'hoenn': 135, 'sinnoh': 107, 'unova': 156, 'kalos': 70, 'all': 719}
-
 
 def expected_len(region_name):
     """Utility function for knowing the standard pokemon population."""
@@ -41,14 +38,6 @@ def expected_len(region_name):
     return region_info.end - region_info.start + 1
 
 
-def test_region_dict():
-    """Test if region_dict counts match wikipedia."""
-    assert _counts['all'] == MAX_ID == sum(_counts.values()) // 2
-    for region_name in region_dict:
-        assert _counts[region_name] == expected_len(region_name)
-        # print('{}: {}'.format(region_name, counts[region_name]))
-
-
 def get_region(db, region_name):
     """Database unfortunately makes db.__get_region() private :-("""
     func = {

tests/unittest.py

@@ -41,13 +41,15 @@ def test_database_single_arg(arg):
     elif arg == "get_random":
         print(db.get_random())
     else:
-        print("No such public method '" + arg + "' with zero parameters exists in the Database class.")
+        print("No such public method '" + arg + "' with zero parameters " +
+              "exists in the Database class.")
 
 
 def test_database_double_arg(arg):
     # Test the database where there are two command line parameters.
     # The first parameter is the name of the method to test.
-    # The second parameter is the input parameter for the method that is being test.
+    # The second parameter is the input parameter for the method
+    # that is being tested.
     arg1 = arg[1].lower()
     arg2 = arg[2].lower()
     db = Database()