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@@ -1,103 +1,112 b'' | |||||
1 | from IPython.core.interactiveshell import InteractiveShell |
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1 | from IPython.core.interactiveshell import InteractiveShell | |
2 |
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2 | |||
3 | from prompt_toolkit.completion import Completer, Completion |
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3 | from prompt_toolkit.completion import Completer, Completion | |
4 | from prompt_toolkit.history import InMemoryHistory |
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4 | from prompt_toolkit.history import InMemoryHistory | |
5 | from prompt_toolkit.shortcuts import create_prompt_application |
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5 | from prompt_toolkit.shortcuts import create_prompt_application | |
6 | from prompt_toolkit.interface import CommandLineInterface |
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6 | from prompt_toolkit.interface import CommandLineInterface | |
7 | from prompt_toolkit.key_binding.manager import KeyBindingManager |
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7 | from prompt_toolkit.key_binding.manager import KeyBindingManager | |
8 | from prompt_toolkit.keys import Keys |
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8 | from prompt_toolkit.keys import Keys | |
9 | from prompt_toolkit.layout.lexers import PygmentsLexer |
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9 | from prompt_toolkit.layout.lexers import PygmentsLexer | |
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10 | from prompt_toolkit.styles import PygmentsStyle | |||
10 |
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11 | |||
11 | from pygments.lexers import Python3Lexer |
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12 | from pygments.lexers import Python3Lexer | |
12 | from pygments.token import Token |
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13 | from pygments.token import Token | |
13 |
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14 | |||
14 |
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15 | |||
15 | class IPythonPTCompleter(Completer): |
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16 | class IPythonPTCompleter(Completer): | |
16 | """Adaptor to provide IPython completions to prompt_toolkit""" |
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17 | """Adaptor to provide IPython completions to prompt_toolkit""" | |
17 | def __init__(self, ipy_completer): |
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18 | def __init__(self, ipy_completer): | |
18 | self.ipy_completer = ipy_completer |
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19 | self.ipy_completer = ipy_completer | |
19 |
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20 | |||
20 | def get_completions(self, document, complete_event): |
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21 | def get_completions(self, document, complete_event): | |
21 | used, matches = self.ipy_completer.complete( |
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22 | used, matches = self.ipy_completer.complete( | |
22 | line_buffer=document.current_line, |
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23 | line_buffer=document.current_line, | |
23 | cursor_pos=document.cursor_position_col |
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24 | cursor_pos=document.cursor_position_col | |
24 | ) |
|
25 | ) | |
25 | start_pos = -len(used) |
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26 | start_pos = -len(used) | |
26 | for m in matches: |
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27 | for m in matches: | |
27 | yield Completion(m, start_position=start_pos) |
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28 | yield Completion(m, start_position=start_pos) | |
28 |
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29 | |||
29 |
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30 | |||
30 | class PTInteractiveShell(InteractiveShell): |
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31 | class PTInteractiveShell(InteractiveShell): | |
31 | pt_cli = None |
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32 | pt_cli = None | |
32 |
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33 | |||
33 | def get_prompt_tokens(self, cli): |
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34 | def get_prompt_tokens(self, cli): | |
34 | return [ |
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35 | return [ | |
35 | (Token.Prompt, 'In ['), |
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36 | (Token.Prompt, 'In ['), | |
36 | (Token.Prompt, str(self.execution_count)), |
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37 | (Token.PromptNum, str(self.execution_count)), | |
37 | (Token.Prompt, ']: '), |
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38 | (Token.Prompt, ']: '), | |
38 | ] |
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39 | ] | |
39 |
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40 | |||
40 |
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41 | |||
41 | def init_prompt_toolkit_cli(self): |
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42 | def init_prompt_toolkit_cli(self): | |
42 | kbmanager = KeyBindingManager.for_prompt() |
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43 | kbmanager = KeyBindingManager.for_prompt() | |
43 | @kbmanager.registry.add_binding(Keys.ControlJ) # Ctrl+J == Enter, seemingly |
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44 | @kbmanager.registry.add_binding(Keys.ControlJ) # Ctrl+J == Enter, seemingly | |
44 | def _(event): |
|
45 | def _(event): | |
45 | b = event.current_buffer |
|
46 | b = event.current_buffer | |
46 | if not b.document.on_last_line: |
|
47 | if not b.document.on_last_line: | |
47 | b.newline() |
|
48 | b.newline() | |
48 | return |
|
49 | return | |
49 |
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50 | |||
50 | status, indent = self.input_splitter.check_complete(b.document.text) |
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51 | status, indent = self.input_splitter.check_complete(b.document.text) | |
51 |
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52 | |||
52 | if (status != 'incomplete') and b.accept_action.is_returnable: |
|
53 | if (status != 'incomplete') and b.accept_action.is_returnable: | |
53 | b.accept_action.validate_and_handle(event.cli, b) |
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54 | b.accept_action.validate_and_handle(event.cli, b) | |
54 | else: |
|
55 | else: | |
55 | b.insert_text('\n' + (' ' * (indent or 0))) |
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56 | b.insert_text('\n' + (' ' * (indent or 0))) | |
56 |
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57 | |||
57 | @kbmanager.registry.add_binding(Keys.ControlC) |
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58 | @kbmanager.registry.add_binding(Keys.ControlC) | |
58 | def _(event): |
|
59 | def _(event): | |
59 | event.current_buffer.reset() |
|
60 | event.current_buffer.reset() | |
60 |
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61 | |||
61 | # Pre-populate history from IPython's history database |
|
62 | # Pre-populate history from IPython's history database | |
62 | history = InMemoryHistory() |
|
63 | history = InMemoryHistory() | |
63 | last_cell = u"" |
|
64 | last_cell = u"" | |
64 | for _, _, cell in self.history_manager.get_tail(self.history_load_length, |
|
65 | for _, _, cell in self.history_manager.get_tail(self.history_load_length, | |
65 | include_latest=True): |
|
66 | include_latest=True): | |
66 | # Ignore blank lines and consecutive duplicates |
|
67 | # Ignore blank lines and consecutive duplicates | |
67 | cell = cell.rstrip() |
|
68 | cell = cell.rstrip() | |
68 | if cell and (cell != last_cell): |
|
69 | if cell and (cell != last_cell): | |
69 | history.append(cell) |
|
70 | history.append(cell) | |
70 |
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71 | |||
|
72 | style = PygmentsStyle.from_defaults({ | |||
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73 | Token.Prompt: '#009900', | |||
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74 | Token.PromptNum: '#00ff00 bold', | |||
|
75 | Token.Number: '#007700', | |||
|
76 | Token.Operator: '#bbbbbb', | |||
|
77 | }) | |||
|
78 | ||||
71 | app = create_prompt_application(multiline=True, |
|
79 | app = create_prompt_application(multiline=True, | |
72 | lexer=PygmentsLexer(Python3Lexer), |
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80 | lexer=PygmentsLexer(Python3Lexer), | |
73 | get_prompt_tokens=self.get_prompt_tokens, |
|
81 | get_prompt_tokens=self.get_prompt_tokens, | |
74 | key_bindings_registry=kbmanager.registry, |
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82 | key_bindings_registry=kbmanager.registry, | |
75 | history=history, |
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83 | history=history, | |
76 | completer=IPythonPTCompleter(self.Completer), |
|
84 | completer=IPythonPTCompleter(self.Completer), | |
|
85 | style=style, | |||
77 | ) |
|
86 | ) | |
78 |
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87 | |||
79 | self.pt_cli = CommandLineInterface(app) |
|
88 | self.pt_cli = CommandLineInterface(app) | |
80 |
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89 | |||
81 | def __init__(self, *args, **kwargs): |
|
90 | def __init__(self, *args, **kwargs): | |
82 | super(PTInteractiveShell, self).__init__(*args, **kwargs) |
|
91 | super(PTInteractiveShell, self).__init__(*args, **kwargs) | |
83 | self.init_prompt_toolkit_cli() |
|
92 | self.init_prompt_toolkit_cli() | |
84 | self.keep_running = True |
|
93 | self.keep_running = True | |
85 |
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94 | |||
86 | def ask_exit(self): |
|
95 | def ask_exit(self): | |
87 | self.keep_running = False |
|
96 | self.keep_running = False | |
88 |
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97 | |||
89 | def interact(self): |
|
98 | def interact(self): | |
90 | while self.keep_running: |
|
99 | while self.keep_running: | |
91 | try: |
|
100 | try: | |
92 | document = self.pt_cli.run() |
|
101 | document = self.pt_cli.run() | |
93 | except EOFError: |
|
102 | except EOFError: | |
94 | if self.ask_yes_no('Do you really want to exit ([y]/n)?','y','n'): |
|
103 | if self.ask_yes_no('Do you really want to exit ([y]/n)?','y','n'): | |
95 | self.ask_exit() |
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104 | self.ask_exit() | |
96 |
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105 | |||
97 | else: |
|
106 | else: | |
98 | if document: |
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107 | if document: | |
99 | self.run_cell(document.text, store_history=True) |
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108 | self.run_cell(document.text, store_history=True) | |
100 |
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109 | |||
101 |
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110 | |||
102 | if __name__ == '__main__': |
|
111 | if __name__ == '__main__': | |
103 | PTInteractiveShell.instance().interact() |
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112 | PTInteractiveShell.instance().interact() |
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