Mercurial Repositories > eric / file comparison
comparison: ThirdParty/Pygments/pygments/formatters/__init__.py
ThirdParty/Pygments/pygments/formatters/__init__.py
- changeset 5713
- 6762afd9f963
- parent 4697
- c2e9bf425554
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| 5712:f0d08bdeacf4 | 5713:6762afd9f963 |
|---|---|
| 3 pygments.formatters | 3 pygments.formatters |
| 4 ~~~~~~~~~~~~~~~~~~~ | 4 ~~~~~~~~~~~~~~~~~~~ |
| 5 | 5 |
| 6 Pygments formatters. | 6 Pygments formatters. |
| 7 | 7 |
| 8 :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS. | 8 :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS. |
| 9 :license: BSD, see LICENSE for details. | 9 :license: BSD, see LICENSE for details. |
| 10 """ | 10 """ |
| 11 | 11 |
| 12 import re | 12 import re |
| 13 import sys | 13 import sys |
| 18 from pygments.formatters._mapping import FORMATTERS | 18 from pygments.formatters._mapping import FORMATTERS |
| 19 from pygments.plugin import find_plugin_formatters | 19 from pygments.plugin import find_plugin_formatters |
| 20 from pygments.util import ClassNotFound, itervalues | 20 from pygments.util import ClassNotFound, itervalues |
| 21 | 21 |
| 22 __all__ = ['get_formatter_by_name', 'get_formatter_for_filename', | 22 __all__ = ['get_formatter_by_name', 'get_formatter_for_filename', |
| 23 'get_all_formatters'] + list(FORMATTERS) | 23 'get_all_formatters', 'load_formatter_from_file'] + list(FORMATTERS) |
| 24 | 24 |
| 25 _formatter_cache = {} # classes by name | 25 _formatter_cache = {} # classes by name |
| 26 _pattern_cache = {} | 26 _pattern_cache = {} |
| 27 | 27 |
| 28 | 28 |
| 77 if cls is None: | 77 if cls is None: |
| 78 raise ClassNotFound("no formatter found for name %r" % _alias) | 78 raise ClassNotFound("no formatter found for name %r" % _alias) |
| 79 return cls(**options) | 79 return cls(**options) |
| 80 | 80 |
| 81 | 81 |
| 82 def load_formatter_from_file(filename, formattername="CustomFormatter", | |
| 83 **options): | |
| 84 """Load a formatter from a file. | |
| 85 | |
| 86 This method expects a file located relative to the current working | |
| 87 directory, which contains a class named CustomFormatter. By default, | |
| 88 it expects the Formatter to be named CustomFormatter; you can specify | |
| 89 your own class name as the second argument to this function. | |
| 90 | |
| 91 Users should be very careful with the input, because this method | |
| 92 is equivalent to running eval on the input file. | |
| 93 | |
| 94 Raises ClassNotFound if there are any problems importing the Formatter. | |
| 95 | |
| 96 .. versionadded:: 2.2 | |
| 97 """ | |
| 98 try: | |
| 99 # This empty dict will contain the namespace for the exec'd file | |
| 100 custom_namespace = {} | |
| 101 exec(open(filename, 'rb').read(), custom_namespace) | |
| 102 # Retrieve the class `formattername` from that namespace | |
| 103 if formattername not in custom_namespace: | |
| 104 raise ClassNotFound('no valid %s class found in %s' % | |
| 105 (formattername, filename)) | |
| 106 formatter_class = custom_namespace[formattername] | |
| 107 # And finally instantiate it with the options | |
| 108 return formatter_class(**options) | |
| 109 except IOError as err: | |
| 110 raise ClassNotFound('cannot read %s' % filename) | |
| 111 except ClassNotFound as err: | |
| 112 raise | |
| 113 except Exception as err: | |
| 114 raise ClassNotFound('error when loading custom formatter: %s' % err) | |
| 115 | |
| 116 | |
| 82 def get_formatter_for_filename(fn, **options): | 117 def get_formatter_for_filename(fn, **options): |
| 83 """Lookup and instantiate a formatter by filename pattern. | 118 """Lookup and instantiate a formatter by filename pattern. |
| 84 | 119 |
| 85 Raises ClassNotFound if not found. | 120 Raises ClassNotFound if not found. |
| 86 """ | 121 """ |
