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@@ -1,53 +1,56 b'' | |||
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1 | """Terminal input and output prompts.""" | |
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2 | from __future__ import print_function | |
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3 | ||
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1 | 4 | from pygments.token import Token |
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2 | 5 | import sys |
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3 | 6 | |
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4 | 7 | from IPython.core.displayhook import DisplayHook |
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5 | 8 | |
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6 | 9 | class Prompts(object): |
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7 | 10 | def __init__(self, shell): |
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8 | 11 | self.shell = shell |
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9 | 12 | |
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10 | 13 | def in_prompt_tokens(self, cli=None): |
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11 | 14 | return [ |
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12 | 15 | (Token.Prompt, 'In ['), |
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13 | 16 | (Token.PromptNum, str(self.shell.execution_count)), |
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14 | 17 | (Token.Prompt, ']: '), |
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15 | 18 | ] |
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16 | 19 | |
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17 | 20 | def _width(self): |
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18 | 21 | in_tokens = self.in_prompt_tokens() |
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19 | 22 | return sum(len(s) for (t, s) in in_tokens) |
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20 | 23 | |
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21 | 24 | def continuation_prompt_tokens(self, cli=None, width=None): |
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22 | 25 | if width is None: |
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23 | 26 | width = self._width() |
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24 | 27 | return [ |
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25 | 28 | (Token.Prompt, (' ' * (width - 5)) + '...: '), |
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26 | 29 | ] |
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27 | 30 | |
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28 | 31 | def rewrite_prompt_tokens(self): |
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29 | 32 | width = self._width() |
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30 | 33 | return [ |
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31 | 34 | (Token.Prompt, ('-' * (width - 2)) + '> '), |
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32 | 35 | ] |
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33 | 36 | |
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34 | 37 | def out_prompt_tokens(self): |
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35 | 38 | return [ |
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36 | 39 | (Token.OutPrompt, 'Out['), |
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37 | 40 | (Token.OutPromptNum, str(self.shell.execution_count)), |
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38 | 41 | (Token.OutPrompt, ']: '), |
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39 | 42 | ] |
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40 | 43 | |
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41 | 44 | class RichPromptDisplayHook(DisplayHook): |
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42 | 45 | """Subclass of base display hook using coloured prompt""" |
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43 | 46 | def write_output_prompt(self): |
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44 | 47 | sys.stdout.write(self.shell.separate_out) |
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45 | 48 | self.prompt_end_newline = False |
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46 | 49 | if self.do_full_cache: |
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47 | 50 | tokens = self.shell.prompts.out_prompt_tokens() |
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48 | 51 | if tokens and tokens[-1][1].endswith('\n'): |
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49 | 52 | self.prompt_end_newline = True |
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50 | 53 | if self.shell.pt_cli: |
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51 | 54 | self.shell.pt_cli.print_tokens(tokens) |
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52 | 55 | else: |
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53 | 56 | print(*(s for t, s in tokens), sep='') |
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