Merge pull request 'feature/add_merge_command' (#23) from feature/add_merge_command into experimental

Reviewed-on: #23

development/actual_donwload.py

@@ -6,8 +6,8 @@ logging.getLogger().setLevel(logging.DEBUG)
 
 if __name__ == "__main__":
     commands = [
-        "s: #a Psychonaut 4",
-        "d: 0"
+        "s: #a Crystal F",
+        "dm: 10, 20"
     ]
 
     

music_kraken/cli/main_downloader.py

@@ -6,16 +6,18 @@ import re
 from .utils import cli_function
 from .options.first_config import initial_config
 
+from ..utils import output, BColors
 from ..utils.config import write_config, main_settings
 from ..utils.shared import URL_PATTERN
 from ..utils.string_processing import fit_to_file_system
 from ..utils.support_classes.query import Query
 from ..utils.support_classes.download_result import DownloadResult
+from ..utils.exception import MKInvalidInputException
 from ..utils.exception.download import UrlNotFoundException
 from ..utils.enums.colors import BColors
 from .. import console
 
-from ..download.results import Results, Option, PageResults
+from ..download.results import Results, Option, PageResults, GoToResults
 from ..download.page_attributes import Pages
 from ..pages import Page
 from ..objects import Song, Album, Artist, DatabaseObject
@@ -174,7 +176,7 @@ class Downloader:
         print()
 
         page_count = 0
-        for option in self.current_results.formated_generator(max_items_per_page=self.max_displayed_options):
+        for option in self.current_results.formatted_generator():
             if isinstance(option, Option):
                 _downloadable = self.pages.is_downloadable(option.music_object)
 
@@ -249,7 +251,7 @@ class Downloader:
                       f"Recommendations and suggestions on sites to implement appreciated.\n"
                       f"But don't be a bitch if I don't end up implementing it.")
                 return
-            self.set_current_options(PageResults(page, data_object.options))
+            self.set_current_options(PageResults(page, data_object.options, max_items_per_page=self.max_displayed_options))
             self.print_current_options()
             return
 
@@ -299,66 +301,43 @@ class Downloader:
         self.set_current_options(self.pages.search(parsed_query))
         self.print_current_options()
 
-    def goto(self, index: int):
+    def goto(self, data_object: DatabaseObject):
         page: Type[Page]
-        music_object: DatabaseObject
 
-        try:
-            page, music_object = self.current_results.get_music_object_by_index(index)
-        except KeyError:
-            print()
-            print(f"The option {index} doesn't exist.")
-            print()
-            return
+        self.pages.fetch_details(data_object)
 
-        self.pages.fetch_details(music_object)
-
-        print(music_object)
-        print(music_object.options)
-        self.set_current_options(PageResults(page, music_object.options))
+        print(data_object)
+        print(data_object.options)
+        self.set_current_options(GoToResults(data_object.options, max_items_per_page=self.max_displayed_options))
 
         self.print_current_options()
 
-    def download(self, download_str: str, download_all: bool = False) -> bool:
-        to_download: List[DatabaseObject] = []
-
-        if re.match(URL_PATTERN, download_str) is not None:
-            _, music_objects = self.pages.fetch_url(download_str)
-            to_download.append(music_objects)
-
+    def download(self, data_objects: List[DatabaseObject], **kwargs) -> bool:
+        output()
+        if len(data_objects) == 1:
+            output(f"Downloading {data_objects[0].option_string}...", color=BColors.BOLD)
         else:
-            index: str
-            for index in download_str.split(", "):
-                if not index.strip().isdigit():
-                    print()
-                    print(f"Every download thingie has to be an index, not {index}.")
-                    print()
-                    return False
-
-            for index in download_str.split(", "):
-                to_download.append(self.current_results.get_music_object_by_index(int(index))[1])
-
-        print()
-        print("Downloading:")
-        for download_object in to_download:
-            print(download_object.option_string)
-        print()
+            output(f"Downloading {len(data_objects)} objects...", *("- " + o.option_string for o in data_objects), color=BColors.BOLD, sep="\n")
 
         _result_map: Dict[DatabaseObject, DownloadResult] = dict()
 
-        for database_object in to_download:
-            r = self.pages.download(music_object=database_object, genre=self.genre, download_all=download_all,
-                                    process_metadata_anyway=self.process_metadata_anyway)
+        for database_object in data_objects:
+            r = self.pages.download(
+                music_object=database_object, 
+                genre=self.genre, 
+                **kwargs
+            )
             _result_map[database_object] = r
 
         for music_object, result in _result_map.items():
-            print()
-            print(music_object.option_string)
-            print(result)
+            output()
+            output(music_object.option_string)
+            output(result)
 
         return True
 
     def process_input(self, input_str: str) -> bool:
+        try:
             input_str = input_str.strip()
             processed_input: str = input_str.lower()
 
@@ -374,20 +353,69 @@ class Downloader:
                     self.print_current_options()
                 return False
 
-        if processed_input.startswith("s: "):
-            self.search(input_str[3:])
+            command = ""
+            query = processed_input
+            if ":" in processed_input:
+                _ = processed_input.split(":")
+                command, query = _[0], ":".join(_[1:])
+
+            do_search = "s" in command
+            do_download = "d" in command
+            do_merge = "m" in command
+
+            if do_search and do_download:
+                raise MKInvalidInputException(message="You can't search and download at the same time.")
+
+            if do_search and do_merge:
+                raise MKInvalidInputException(message="You can't search and merge at the same time.")
+
+            if do_search:
+                self.search(":".join(input_str.split(":")[1:]))
                 return False
 
-        if processed_input.startswith("d: "):
-            return self.download(input_str[3:])
+            indices = []
+            for possible_index in query.split(","):
+                possible_index = possible_index.strip()
+                if possible_index == "":
+                    continue
                 
-        if processed_input.isdigit():
-            self.goto(int(processed_input))
+                i = 0
+                if possible_index.isdigit():
+                    i = int(possible_index)
+                else:
+                    raise MKInvalidInputException(message=f"The index \"{possible_index}\" is not a number.")
+
+                if i < 0 and i >= len(self.current_results):
+                    raise MKInvalidInputException(message=f"The index \"{i}\" is not within the bounds of 0-{len(self.current_results)}.")
+                
+                indices.append(i)
+
+            selected_objects = [self.current_results[i] for i in indices]
+
+            if do_merge:
+                old_selected_objects = selected_objects
+
+                a = old_selected_objects[0]
+                for b in old_selected_objects[1:]:
+                    if type(a) != type(b):
+                        raise MKInvalidInputException(message="You can't merge different types of objects.")
+                    a.merge(b)
+
+                selected_objects = [a]
+
+            if do_download:
+                self.download(selected_objects)
                 return False
 
-        if processed_input != "help":
-            print(f"{BColors.WARNING.value}Invalid input.{BColors.ENDC.value}")
+            if len(selected_objects) != 1:
+                raise MKInvalidInputException(message="You can only go to one object at a time without merging.")
+
+            self.goto(selected_objects[0])
+            return False
+        except MKInvalidInputException as e:
+            output("\n" + e.message + "\n", color=BColors.FAIL)
             help_message()
+
         return False
 
     def mainloop(self):

music_kraken/download/results.py

@@ -13,31 +13,32 @@ class Option:
 
 
 class Results:
-    def __init__(self) -> None:
+    def __init__(self, max_items_per_page: int = 10, **kwargs) -> None:
         self._by_index: Dict[int, DatabaseObject] = dict()
         self._page_by_index: Dict[int: Type[Page]] = dict()
 
+        self.max_items_per_page = max_items_per_page
+        
     def __iter__(self) -> Generator[DatabaseObject, None, None]:
-        for option in self.formated_generator():
+        for option in self.formatted_generator():
             if isinstance(option, Option):
                 yield option.music_object
     
-    def formated_generator(self, max_items_per_page: int = 10) -> Generator[Union[Type[Page], Option], None, None]:
+    def formatted_generator(self) -> Generator[Union[Type[Page], Option], None, None]:
         self._by_index = dict()
         self._page_by_index = dict()
 
-    def get_music_object_by_index(self, index: int) -> Tuple[Type[Page], DatabaseObject]:
-        # if this throws a key error, either the formatted generator needs to be iterated, or the option doesn't exist.
-        return self._page_by_index[index], self._by_index[index]
+    def __getitem__(self, index: int): 
+        return self._by_index[index]
 
 
 class SearchResults(Results):
     def __init__(
         self,
-        pages: Tuple[Type[Page], ...] = None
-        
+        pages: Tuple[Type[Page], ...] = None,
+        **kwargs,
     ) -> None:
-        super().__init__()
+        super().__init__(**kwargs)
         
         self.pages = pages or []
         # this would initialize a list for every page, which I don't think I want
@@ -55,8 +56,11 @@ class SearchResults(Results):
     def get_page_results(self, page: Type[Page]) -> "PageResults":
         return PageResults(page, self.results.get(page, []))
 
-    def formated_generator(self, max_items_per_page: int = 10):
-        super().formated_generator()
+    def __len__(self) -> int:
+        return sum(min(self.max_items_per_page, len(results)) for results in self.results.values())
+    
+    def formatted_generator(self):
+        super().formatted_generator()
         i = 0
         
         for page in self.results:
@@ -70,19 +74,37 @@ class SearchResults(Results):
                 i += 1
                 j += 1
                 
-                if j >= max_items_per_page:
+                if j >= self.max_items_per_page:
                     break
 
 
+class GoToResults(Results):
+    def __init__(self, results: List[DatabaseObject], **kwargs):
+        self.results: List[DatabaseObject] = results
+
+        super().__init__(**kwargs)
+
+    def __getitem__(self, index: int): 
+        return self.results[index]
+
+    def __len__(self) -> int:
+        return len(self.results)
+
+    def formatted_generator(self):
+        yield from (Option(i, o) for i, o in enumerate(self.results))
+    
+
+
 class PageResults(Results):
-    def __init__(self, page: Type[Page], results: List[DatabaseObject]) -> None:
-        super().__init__()
+    def __init__(self, page: Type[Page], results: List[DatabaseObject], **kwargs) -> None:
+        super().__init__(**kwargs)
         
         self.page: Type[Page] = page
         self.results: List[DatabaseObject] = results
 
-    def formated_generator(self, max_items_per_page: int = 10):
-        super().formated_generator()
+        
+    def formatted_generator(self, max_items_per_page: int = 10):
+        super().formatted_generator()
         i = 0
         
         yield self.page
@@ -92,3 +114,6 @@ class PageResults(Results):
             self._by_index[i] = option
             self._page_by_index[i] = self.page
             i += 1
+
+    def __len__(self) -> int:
+        return len(self.results)

music_kraken/pages/abstract.py

@@ -403,18 +403,20 @@ class Page:
             self.LOGGER.info(f"{song.option_string} already exists, thus not downloading again.")
             return r
 
+        skip_intervals = []
         if not found_on_disc:
             for source in sources:
                 r = self.download_song_to_target(source=source, target=temp_target, desc=song.option_string)
 
                 if not r.is_fatal_error:
+                    skip_intervals = self.get_skip_intervals(song, source)
                     break
         
         if temp_target.exists:
             r.merge(self._post_process_targets(
                 song=song, 
                 temp_target=temp_target,
-                interval_list=[] if found_on_disc else self.get_skip_intervals(song, source)
+                interval_list=skip_intervals,
             ))
 
         return r

music_kraken/utils/__init__.py

@@ -19,8 +19,13 @@ def _apply_color(msg: str, color: BColors) -> str:
     if not isinstance(msg, str):
         msg = str(msg)
 
+    endc = BColors.ENDC.value
+
     if color is BColors.ENDC:
         return msg
+
+    msg = msg.replace(BColors.ENDC.value, BColors.ENDC.value + color.value)
+
     return color.value + msg + BColors.ENDC.value
 
 

music_kraken/utils/exception/__init__.py

@@ -1 +1,11 @@
-__all__ = ["config"]
+class MKBaseException(Exception):
+    def __init__(self, message: str = None, **kwargs) -> None:
+        self.message = message
+        super().__init__(message, **kwargs)
+
+
+class MKFrontendException(MKBaseException):
+    pass
+
+class MKInvalidInputException(MKFrontendException):
+    pass