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How to use _search_variable method in Slash

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ui.py

Source:ui.py

1"""2A Module which is responsible for the user interface3"""4from __future__ import annotations5import tkinter as tk6from tkinter.font import BOLD7from graphs import SongGraph89# Constants10BG_COLOUR = 'gray10'11WINDOW_WIDTH = 90012WINDOW_HEIGHT = 600131415class _Page:16    """ A private abstract class representing a single page in the application1718    This class is only meant to be used by the UserInterface class19    """2021    # Private Instance Attributes:22    #   - _frame: the object which the page will be displayed on23    #   - _ui: the user interface object which will be mutated by the page2425    _frame: tk.Tk26    _ui: UserInterface2728    def __init__(self, frame: tk.Tk, user_interface: UserInterface) -> None:29        """Initialize the page"""30        self._frame = frame31        self._ui = user_interface3233    def show_page(self, truth: bool) -> None:34        """Make the current page visible or invisible based on truth3536        the page is visible if and only if truth == true37        """38        raise NotImplementedError394041class UserInterface:42    """A class representing the main user interface4344    Instance Attributes:45    '   - mainframe: the main frame which all graphical elements will be displayed on46        - search_variable: the StringVar object representing the name of the song being47                           searched for48        - graph: the SongGraph which will be used to search for the songs and49                 get recommendations50        - home_page: the homepage of the user interface51        - results_page: the page which will display the results of the search52        - recommend_page: the page which is responsible for displaying the recommendations53                          for the given song and artist combination54    """55    mainframe: tk.Tk56    search_variable: tk.StringVar57    graph: SongGraph58    home_page: _HomePage59    results_page: _ResultsPage60    recommend_page: _RecommendationsPage6162    # Private Attributes:63    #   -_current_page: the current page which is being displayed64    _current_page: _Page6566    def __init__(self, root: tk.Tk, graph: SongGraph) -> None:67        """Initialize the user interface"""68        self.mainframe = root69        self.mainframe.title('Spotify Song Recommender')70        self.graph = graph7172        # Initializing the pages73        self.search_variable = tk.StringVar()74        self.home_page = _HomePage(self.mainframe, self, self.search_variable)75        self.results_page = _ResultsPage(self.mainframe, self, self.search_variable)76        self.recommend_page = _RecommendationsPage(self.mainframe, self)7778        self._current_page = self.home_page79        self._current_page.show_page(True)8081    def change_current_page(self, page: _Page) -> None:82        """Change the current page to <page> and display it"""83        self._current_page.show_page(False)84        self._current_page = page85        self._current_page.show_page(True)868788class _HomePage(_Page):89    """A class representing the Homepage of the application"""9091    # Private Instance Attributes:92    #   - _frame: the object which the page will be displayed on93    #   - _ui: the user interface object which will be mutated by the page94    #   -_search_variable: a tk.StringVar representing the name of the song95    #   -_text: a element of the page which displays the main text96    #   -_search_field: a element of the page which allows the user97    #                   to enter song names98    #   - _submit_button: a button on the page which allows the user to submit99    #                     their song name100    #   -_error_message: an error message which will be displayed when the101    #                    song is not found102103    _frame: tk.Tk104    _ui: UserInterface105    _search_variable: tk.StringVar106    _text: tk.Label107    _search_field: tk.Entry108    _submit_button: tk.Button109    _error_message: tk.Label110111    def __init__(self,112                 frame: tk.Tk,113                 user_interface: UserInterface,114                 search_variable: tk.StringVar) -> None:115        """Initialize the homepage and all it's elements"""116        _Page.__init__(self, frame, user_interface)117        self._search_variable = search_variable118119        # Page Elements120        self._text = tk.Label(self._frame,121                              text='Search for a Song!',122                              bg=BG_COLOUR,123                              fg='gray95',124                              font=('arialnarrow', 50))125126        self._submit_button = tk.Button(self._frame,127                                        text='Submit',128                                        command=self._search,129                                        font=('arialnarrow', 20),130                                        bg='forest green',131                                        fg='white')132133        self._search_field = tk.Entry(self._frame,134                                      textvariable=self._search_variable,135                                      font=('Verdana', 50),136                                      bg='gray95')137138        self._error_message = tk.Label(self._frame,139                                       text='Sorry, that song is not in our database\n Try Again',140                                       bg=BG_COLOUR,141                                       fg='Red',142                                       font=('arialnarrow', 38))143144    def _search(self) -> None:145        """Search for the song name represented by self._search_variable in the song graph146147        If the song is not in graph, display an error message148        """149        song_name = self._search_variable.get()150        artist_list = self._ui.graph.get_artists_by_song(song_name.lower())151152        if artist_list == []:153            self._text.place_forget()154            self._error_message.place(x=WINDOW_WIDTH // 2,155                                      y=WINDOW_HEIGHT // 4,156                                      anchor='center')157        else:158            self._ui.change_current_page(self._ui.results_page)159160    def show_page(self, truth: bool) -> None:161        """Make the current page visible or invisible based on truth"""162        if truth:163            self._text.place(x=(WINDOW_WIDTH) // 2, y=(WINDOW_HEIGHT) // 4, anchor='center')164165            self._search_field.place(x=WINDOW_WIDTH // 2,166                                     y=WINDOW_HEIGHT // 2,167                                     width=WINDOW_WIDTH * 0.75,168                                     height=100,169                                     anchor='center')170171            self._submit_button.place(x=WINDOW_WIDTH // 2,172                                      y=WINDOW_HEIGHT // 1.25,173                                      anchor='center',174                                      width=WINDOW_WIDTH // 4,175                                      height=100)176        else:177            self._text.place_forget()178            self._search_field.place_forget()179            self._submit_button.place_forget()180            self._error_message.place_forget()181182183class _ResultsPage(_Page):184    """A page representing the search results page in the application from the give graph185186    This page is responsible for providing a graphical interface which displays the search results187    """188    # Private Instance Attributes:189    #   - _frame: the object which the page will be displayed on190    #   - _ui: the user interface object which will be mutated by the page191    #   -_search_variable: a tk.StringVar representing the name of the song192    #   -_search_field: a element of the page which allows the user193    #                   to enter song names194    #   - _submit_button: a button on the page which allows the user to submit195    #                     their song name196    #   -_home_button: a button that allows the user to return to the homepage197    #   -_search_results: an instance of SearchResults which is responsible for displaying198    #                     all the artists which the song could be by199200    _frame: tk.Tk201    _ui: UserInterface202    _search_variable: tk.StringVar203    _search_field: tk.Entry204    _submit_button: tk.Button205    _home_button: tk.Button206    _search_results: _SearchResults207208    def __init__(self,209                 frame: tk.Tk,210                 user_interface: UserInterface,211                 search_variable: tk.StringVar) -> None:212        """Initialize the Search results page and all it's elements"""213        _Page.__init__(self, frame, user_interface)214        self._search_variable = search_variable215        self._search_results = _SearchResults(self._frame, user_interface)216217        # Page Elements218        self._search_field = tk.Entry(self._frame,219                                      textvariable=self._search_variable,220                                      font=('Verdana', 20),221                                      bg='gray95')222223        self._submit_button = tk.Button(self._frame,224                                        text='Submit',225                                        command=self._show_results,226                                        font=('arialnarrow', 15),227                                        bg='forest green',228                                        fg='white')229230        self._home_button = tk.Button(self._frame,231                                      text='Home',232                                      command=lambda:233                                      self._ui.change_current_page(self._ui.home_page),234                                      font=('arialnarrow', 15),235                                      bg='gray60',236                                      fg='white')237238    def _show_results(self) -> None:239        """Show the results of the search on the page240241        That is, display all the names of the artists which the song could be by242        """243        song_name = self._search_variable.get()244        artist_list = self._ui.graph.get_artists_by_song(song_name.lower())245        self._search_results.update_search(artist_list, song_name.lower())246        self._search_results.show_artists(True)247248    def show_page(self, truth: bool) -> None:249        """Make the current page visible/invisble based on truth250251        If truth is true then make the page visible, otherwise, make it invisible252        """253        if truth:254            self._search_field.place(x=WINDOW_WIDTH // 2,255                                     y=(WINDOW_HEIGHT // 15),256                                     width=WINDOW_WIDTH * 0.75,257                                     height=50, anchor='center')258259            self._submit_button.place(x=WINDOW_WIDTH - 10,260                                      y=WINDOW_HEIGHT // 15,261                                      width=WINDOW_WIDTH // 10,262                                      height=50, anchor='e',)263264            self._home_button.place(x=10,265                                    y=WINDOW_HEIGHT // 15,266                                    width=WINDOW_WIDTH // 10,267                                    height=50, anchor='w')268            self._show_results()269        else:270            self._search_field.place_forget()271            self._submit_button.place_forget()272            self._home_button.place_forget()273            self._search_results.show_artists(False)274275276class _RecommendationsPage(_Page):277    """A class respresenting a page which will display the song recommendations from graph"""278279    # Private Attributes:280    #   - _frame: the object which the page will be displayed on281    #   - _ui: the user interface object which will be mutated by the page282    #   -_home_button: a button which will change the current page to the homepage283    #   -_back_button: a button which will change the current page to the previous page284    #   -_recommendation_labels: a list of Label objects which will display the recommendations285    #                            on the page286    #   -_title: a Label object responsible for displaying the 'We Recommend Listening To' message287288    _frame: tk.Tk289    _ui: UserInterface290    _home_button: tk.Button291    _back_button: tk.Button292    _recommendation_labels: list[tk.Label]293    _title: tk.Label294295    def __init__(self, frame: tk.Tk, user_interface: UserInterface) -> None:296        """Initialize the RecommendationsPage and all it's graphical elements"""297        _Page.__init__(self, frame, user_interface)298299        # initializing the recommendations300        recommendation1 = tk.Label(self._frame,301                                   bg=BG_COLOUR,302                                   fg='white',303                                   font=('Verdana', 18),304                                   pady=10)305306        recommendation2 = tk.Label(self._frame,307                                   bg=BG_COLOUR,308                                   fg='white',309                                   font=('Verdana', 18),310                                   pady=10)311312        recommendation3 = tk.Label(self._frame,313                                   bg=BG_COLOUR,314                                   fg='white',315                                   font=('Verdana', 18),316                                   pady=10)317318        recommendation4 = tk.Label(self._frame,319                                   bg=BG_COLOUR,320                                   fg='white',321                                   font=('Verdana', 18),322                                   pady=10)323324        recommendation5 = tk.Label(self._frame,325                                   bg=BG_COLOUR,326                                   fg='white',327                                   font=('Verdana', 18),328                                   pady=10)329330        self._recommendation_labels = [recommendation1,331                                       recommendation2,332                                       recommendation3,333                                       recommendation4,334                                       recommendation5]335336        self._title = tk.Label(self._frame,337                               text='We Recommend Listening To',338                               font=('Verdana', 40, BOLD),339                               bg=BG_COLOUR,340                               fg='deep sky blue',341                               pady=30)342343        self._home_button = tk.Button(self._frame,344                                      text='Home',345                                      font=('verdana', 20),346                                      fg='white',347                                      bg='gray60',348                                      width=20,349                                      height=5,350                                      command=lambda:351                                      self._ui.change_current_page(self._ui.home_page))352353        self._back_button = tk.Button(self._frame,354                                      text='Back',355                                      font=('verdana', 20),356                                      fg='white',357                                      bg='gray60',358                                      width=20,359                                      height=5,360                                      command=lambda:361                                      self._ui.change_current_page(self._ui.results_page))362363    def update_recommended(self, song_name: str, song_artist: str) -> None:364        """Update the recommendations based on the CURRENT song name and artist"""365        recommendations_list = self._ui.graph.get_recommendations(song_name, song_artist, 5, 80)366367        recommendation_count = len(recommendations_list)368369        if recommendation_count < 5:370            rest = self._recommendation_labels[recommendation_count:]371            for text in rest:372                text.config(text='')373374        for i in range(recommendation_count):375            label = self._recommendation_labels[i]376            recommended_name, recommended_artist = recommendations_list[i]377            label.config(text=f'{recommended_name.title()} by {recommended_artist.title()}')378379    def show_page(self, truth: bool) -> None:380        """Make the current page visible/invisble based on the value of truth"""381        if truth:382            self._title.pack(side='top')383384            for recommendation in self._recommendation_labels:385                recommendation.pack(side='top')386387            self._home_button.place(x=30, y=WINDOW_HEIGHT - 130,388                                    width=200,389                                    height=100)390391            self._back_button.place(x=WINDOW_WIDTH - 230,392                                    y=WINDOW_HEIGHT - 130,393                                    width=200,394                                    height=100)395        else:396            self._title.pack_forget()397398            for recommendation in self._recommendation_labels:399                recommendation.pack_forget()400401            self._home_button.place_forget()402            self._back_button.place_forget()403404405class _SearchResults:406    """A private class respresenting the search result element of a page407408    This class is responsible for displaying the search results on the ResultsPage409    as well as the artist selection, and should only be used by ResultsPage410    """411    # Private Attributes:412    #   - _frame: the object which the page will be displayed on413    #   - _ui: the user interface object which will be mutated by the page414    #   -_artist_list: a list of all the artist which the song searched for415    #                  could be by416    #   -_artist_listbox: a Listbox object which is responsible for displaying all417    #                     the artists which the current song could be by418    #   -_artist_variable: a StringVar object which will be passed into _artist_listbox which419    #                      represents all the plausible artists the song could be by420    #   -_song_info: a Label object which will display the song name421    #   -_song_name: the name of the song being searched for422    #   -_confirm_button: a button which will allow the user to confirm their selection of artist423    #   -_error_message: an error message which will inform the user that the song being searched424    #                    for was not found425    #   -_empty_selection: an error message which will inform the user that they have not selected426    #                      an artist yet427428    _frame: tk.Tk429    _ui: UserInterface430    _artist_list: list[str]431    _artist_listbox: tk.Listbox432    _artist_variable: tk.StringVar433    _song_info: tk.Label434    _song_name: str435    _confrim_button: tk.Button436    _error_message: tk.Label437    _empty_selection: tk.Label438439    def __init__(self, frame: tk.Tk, user_interface: UserInterface) -> None:440        """Initialize the Search results and all it's graphical elements"""441        self._frame = frame442        self._ui = user_interface443        self._artist_list = []444        self._song_name = ''445        self._artist_variable = tk.StringVar()446447        self._artist_listbox = tk.Listbox(self._frame,448                                          listvariable=self._artist_variable,449                                          height=3,450                                          width=WINDOW_WIDTH - 100,451                                          bg=BG_COLOUR,452                                          fg='white',453                                          borderwidth=0,454                                          font=('arialnarrow', 40),455                                          relief='flat',456                                          selectmode='SINGLE',457                                          highlightthickness=0,458                                          activestyle='none')459        self._artist_listbox.configure(justify='center')460461        self._song_info = tk.Label(self._frame,462                                   text='',463                                   font=('arialnarrow', 20),464                                   bg=BG_COLOUR,465                                   fg='white')466467        self._error_message = tk.Label(self._frame,468                                       text="No Songs Found\nTry Again",469                                       fg='red',470                                       bg=BG_COLOUR,471                                       font=('arialnarrow', 38))472473        self._confrim_button = tk.Button(self._frame,474                                         text='Confirm Selection',475                                         bg='forest green',476                                         fg='white',477                                         font=('arial narrow', 20),478                                         command=self._update_recommendedpage)479480        self._empty_selection = tk.Label(self._frame,481                                         text='No Artist Was Selected',482                                         font=('arialnarrow', 20),483                                         bg=BG_COLOUR,484                                         fg='red')485486    def update_search(self, artist_list: list[str], song_name: str) -> None:487        """Update the old song name and artists being displayed to the CURRENT song"""488        self._empty_selection.place_forget()489        self._artist_list = artist_list490        self._song_name = song_name491        self._artist_variable.set([artist.title() for artist in artist_list])492        self._song_info.config(text=f'{song_name.title()} by')493494    def _update_recommendedpage(self) -> None:495        """Update the current page to display recommendations for the CURRENT496        song and artist497498        Display the empty_selection error message if user has no selected an artist499        """500        selection = self._artist_listbox.curselection()501        if selection != ():502            song_name = self._song_name503            artist = self._artist_list[selection[0]]504            self._ui.recommend_page.update_recommended(song_name, artist)505            self._ui.change_current_page(self._ui.recommend_page)506        else:507            self._empty_selection.place(x=WINDOW_WIDTH // 2,508                                        y=WINDOW_HEIGHT - 100,509                                        anchor='center')510511    def show_artists(self, truth: bool) -> None:512        """Display all the artists which the song could be by based on truth513514        make the SearchResults visible if and only if truth == True515        """516        if truth:517            self._artist_listbox.place(x=WINDOW_WIDTH // 2,518                                       y=WINDOW_HEIGHT // 2,519                                       anchor='center',520                                       width=WINDOW_WIDTH - 50,521                                       height=200)522523            if len(self._artist_list) == 0:524                self._song_info.place_forget()525                self._confrim_button.place_forget()526                self._error_message.place(x=WINDOW_WIDTH // 2,527                                          y=WINDOW_HEIGHT // 2,528                                          anchor='center')529            else:530                self._error_message.place_forget()531                self._song_info.place(x=WINDOW_WIDTH // 2,532                                      y=WINDOW_HEIGHT // 4,533                                      anchor='center')534535                self._confrim_button.place(x=WINDOW_WIDTH // 2,536                                           y=WINDOW_HEIGHT - 50,537                                           anchor='center')538        else:539            self._artist_listbox.place_forget()540            self._error_message.place_forget()541            self._song_info.place_forget()542            self._confrim_button.place_forget()543            self._empty_selection.place_forget()544545546if __name__ == '__main__':547    root = tk.Tk()548    root.configure(background=BG_COLOUR)549550    root.resizable(width=False, height=False)551    root.geometry(f'{WINDOW_WIDTH}x{WINDOW_HEIGHT}')552553    from graphs import build_graph554    graph = build_graph('data/data_large.csv')555556    UserInterface(root, graph)557    root.mainloop()558559    # import python_ta560    # python_ta.check_all(config={561    # 'extra-imports': [],  # the names (strs) of imported modules562    # 'allowed-io': [],     # the names (strs) of functions that call print/open/input563    # 'max-line-length': 100,564    # 'disable': ['E1136']
...

test_add_error.py

Source:test_add_error.py

...88    res = suite.run()89    result = res[suite_test]90    with open(result.get_log_path()) as f:91        lines = f.readlines()92    def _search_variable(variable_name, variable_value):93        found = False94        for line in lines:95            if variable_name in line and variable_value in line:96                found = True97                break98        assert found == log_variables, 'Variable {!r} not found in traceback log!'.format(variable_name)99    _search_variable('x_variable', 'xxx')100    _search_variable('self.property_value', 'yyy')101def test_add_error_log_traceback_variables_self_none(suite, suite_test, config_override, tmpdir):102    config_override('log.core_log_level', logbook.TRACE)103    config_override('log.traceback_variables', True)104    config_override('log.root', str(tmpdir.join('logs')))105    @suite_test.prepend_body106    def __code__():          # pylint: disable=unused-variable107        # to avoid the line itself from being detected108        self = None # pylint: disable=unused-variable109    suite_test.when_run.error()110    res = suite.run()111    result = res[suite_test]112    with open(result.get_log_path()) as f:113        lines = f.read()114    assert 'self: None' in lines...

makefile.bzl

Source:makefile.bzl

...18        x = name[i]19        if x not in _VALID_IDENTIFIERS:20            return False21    return True22def _search_variable(line):23    line = line.strip()24    if not '=' in line:25        return None26    if line.startswith('#'):27        return None28    maybe_var, maybe_value = [x.strip() for x in line.split('=', 1)]29    result = {}30    if maybe_var.endswith('+'):31        maybe_var = maybe_var[:-1].strip()32        result['concat'] = True33    else:34        result['concat'] = False35    if not _is_valid_identifier(maybe_var):36        return None37    result['name'] = maybe_var38    result['value'] = None39    stripped_value = maybe_value.strip(" \\")40    if len(stripped_value):41        result['value'] = stripped_value42    return result43def makefile_parse(contents):44    """Parse variable like entities from Makefiles.45    Returns a dictionary mapping make variables to their contents.46    """47    result = {}48    current_name = None49    current_list = None50    for line in contents.split("\n"):51        hash = line.find('#')52        if hash != -1:53            line = line[0:hash]54        if current_name:55            current_list += line.strip(" \\").split(' ')56        else:57            match = _search_variable(line)58            if match:59                current_name = match['name']60                if match['concat']:61                    current_list = result.get(current_name, [])62                else:63                    current_list = []64                if match['value']:65                    current_list += match['value'].split(' ')66        if current_name:67            if not line.endswith("\\"):68                result[current_name] = [69                    x.strip() for x in current_list70                    if x.strip() != "" and x.strip() != "$(NULL)"]71                current_name = None...

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