Mercurial > repos > shellac > guppy_basecaller
annotate env/lib/python3.7/site-packages/shellescape/main.py @ 3:758bc20232e8 draft
"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author | shellac |
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date | Thu, 14 May 2020 16:20:52 -0400 |
parents | 26e78fe6e8c4 |
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1 #!/usr/bin/env python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 import re |
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5 |
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6 |
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7 _find_unsafe = re.compile(r'[a-zA-Z0-9_^@%+=:,./-]').search |
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8 |
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9 |
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10 def quote(s): |
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11 """Return a shell-escaped version of the string *s*.""" |
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12 if not s: |
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13 return "''" |
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14 |
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15 if _find_unsafe(s) is None: |
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16 return s |
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17 |
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18 # use single quotes, and put single quotes into double quotes |
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19 # the string $'b is then quoted as '$'"'"'b' |
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20 |
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21 return "'" + s.replace("'", "'\"'\"'") + "'" |