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@@ -15,6 +15,7 b' from __future__ import print_function' | |||
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15 | 15 | # Stdlib imports |
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16 | 16 | import subprocess |
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17 | 17 | import warnings |
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18 | import re | |
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18 | 19 | from io import TextIOWrapper, BytesIO |
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19 | 20 | |
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20 | 21 | # IPython imports |
@@ -89,8 +90,11 b' def get_pandoc_version():' | |||
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89 | 90 | out = subprocess.check_output(['pandoc', '-v'], |
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90 | 91 | universal_newlines=True) |
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91 | 92 | out_lines = out.splitlines() |
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92 | pandoc_line = out_lines[0] | |
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93 | __version = pandoc_line.lstrip("pandoc ") | |
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93 | version_pattern = re.compile(r"^\d+(\.\d+){1,}$") | |
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94 | for tok in out_lines[0].split(): | |
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95 | if version_pattern.match(tok): | |
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96 | __version = tok | |
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97 | break | |
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94 | 98 | return __version |
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95 | 99 | |
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96 | 100 | |
@@ -103,6 +107,12 b' def check_pandoc_version():' | |||
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103 | 107 | If pandoc is unavailable. |
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104 | 108 | """ |
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105 | 109 | v = get_pandoc_version() |
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110 | if v is None: | |
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111 | warnings.warn("Sorry, we cannot determine the version of pandoc.\n" | |
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112 | "Please consider reporting this issue and include the" | |
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113 | "output of pandoc --version.\nContinuing...", | |
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114 | RuntimeWarning, stacklevel=2) | |
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115 | return False | |
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106 | 116 | ok = check_version(v , _minimal_version ) |
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107 | 117 | if not ok: |
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108 | 118 | warnings.warn( "You are using an old version of pandoc (%s)\n" % v + |
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