Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/markupsafe/_native.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 # -*- coding: utf-8 -*- |
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2 """ |
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3 markupsafe._native |
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4 ~~~~~~~~~~~~~~~~~~ |
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5 |
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6 Native Python implementation used when the C module is not compiled. |
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7 |
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8 :copyright: 2010 Pallets |
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9 :license: BSD-3-Clause |
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10 """ |
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11 from . import Markup |
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12 from ._compat import text_type |
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13 |
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14 |
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15 def escape(s): |
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16 """Replace the characters ``&``, ``<``, ``>``, ``'``, and ``"`` in |
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17 the string with HTML-safe sequences. Use this if you need to display |
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18 text that might contain such characters in HTML. |
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19 |
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20 If the object has an ``__html__`` method, it is called and the |
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21 return value is assumed to already be safe for HTML. |
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22 |
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23 :param s: An object to be converted to a string and escaped. |
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24 :return: A :class:`Markup` string with the escaped text. |
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25 """ |
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26 if hasattr(s, "__html__"): |
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27 return Markup(s.__html__()) |
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28 return Markup( |
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29 text_type(s) |
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30 .replace("&", "&") |
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31 .replace(">", ">") |
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32 .replace("<", "<") |
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33 .replace("'", "'") |
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34 .replace('"', """) |
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35 ) |
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36 |
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37 |
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38 def escape_silent(s): |
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39 """Like :func:`escape` but treats ``None`` as the empty string. |
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40 Useful with optional values, as otherwise you get the string |
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41 ``'None'`` when the value is ``None``. |
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42 |
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43 >>> escape(None) |
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44 Markup('None') |
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45 >>> escape_silent(None) |
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46 Markup('') |
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47 """ |
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48 if s is None: |
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49 return Markup() |
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50 return escape(s) |
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51 |
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52 |
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53 def soft_unicode(s): |
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54 """Convert an object to a string if it isn't already. This preserves |
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55 a :class:`Markup` string rather than converting it back to a basic |
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56 string, so it will still be marked as safe and won't be escaped |
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57 again. |
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58 |
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59 >>> value = escape('<User 1>') |
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60 >>> value |
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61 Markup('<User 1>') |
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62 >>> escape(str(value)) |
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63 Markup('&lt;User 1&gt;') |
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64 >>> escape(soft_unicode(value)) |
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65 Markup('<User 1>') |
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66 """ |
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67 if not isinstance(s, text_type): |
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68 s = text_type(s) |
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69 return s |