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Fix warnings originating from bad regexes

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Starting with python 3.6 warnings are issued for invalid escape
sequences in regular expressions. This commit corrects all
DeprecationWarning's via properly declaring the offending
regular expressions as raw strings.

Resolves #2095.
This commit is contained in:
derwinlu 2017-03-27 16:06:07 +02:00
commit 89b28fd36b
6 changed files with 11 additions and 11 deletions
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4
docs/settings.rst
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@ -712,7 +712,7 @@ Metadata
The default metadata you want to use for all articles and pages.
.. data:: FILENAME_METADATA = '(?P<date>\d{4}-\d{2}-\d{2}).*'
.. data:: FILENAME_METADATA = r'(?P<date>\d{4}-\d{2}-\d{2}).*'
The regexp that will be used to extract any metadata from the filename. All
named groups that are matched will be set in the metadata object. The
@ -720,7 +720,7 @@ Metadata
For example, to extract both the date and the slug::
FILENAME_METADATA = '(?P<date>\d{4}-\d{2}-\d{2})_(?P<slug>.*)'
FILENAME_METADATA = r'(?P<date>\d{4}-\d{2}-\d{2})_(?P<slug>.*)'
See also ``SLUGIFY_SOURCE``.

4
pelican/__init__.py
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@ -111,10 +111,10 @@ class Pelican(object):
structure = self.settings['ARTICLE_PERMALINK_STRUCTURE']
# Convert %(variable) into {variable}.
structure = re.sub('%\((\w+)\)s', '{\g<1>}', structure)
structure = re.sub(r'%\((\w+)\)s', '{\g<1>}', structure)
# Convert %x into {date:%x} for strftime
structure = re.sub('(%[A-z])', '{date:\g<1>}', structure)
structure = re.sub(r'(%[A-z])', '{date:\g<1>}', structure)
# Strip a / prefix
structure = re.sub('^/', '', structure)

6
pelican/readers.py
View file

@ -650,9 +650,9 @@ def parse_path_metadata(source_path, settings=None, process=None):
... settings=settings,
... process=reader.process_metadata)
>>> pprint.pprint(metadata) # doctest: +ELLIPSIS
{'category': <pelican.urlwrappers.Category object at ...>,
'date': SafeDatetime(2013, 1, 1, 0, 0),
'slug': 'my-slug'}
... {'category': <pelican.urlwrappers.Category object at ...>,
... 'date': SafeDatetime(2013, 1, 1, 0, 0),
... 'slug': 'my-slug'}
"""
metadata = {}
dirname, basename = os.path.split(source_path)

2
pelican/rstdirectives.py
View file

@ -75,7 +75,7 @@ directives.register_directive('code-block', Pygments)
directives.register_directive('sourcecode', Pygments)
_abbr_re = re.compile('\((.*)\)$', re.DOTALL)
_abbr_re = re.compile(r'\((.*)\)$', re.DOTALL)
class abbreviation(nodes.Inline, nodes.TextElement):

2
pelican/settings.py
View file

@ -121,7 +121,7 @@ DEFAULT_CONFIG = {
'DEFAULT_PAGINATION': False,
'DEFAULT_ORPHANS': 0,
'DEFAULT_METADATA': {},
'FILENAME_METADATA': '(?P<date>\d{4}-\d{2}-\d{2}).*',
'FILENAME_METADATA': r'(?P<date>\d{4}-\d{2}-\d{2}).*',
'PATH_METADATA': '',
'EXTRA_PATH_METADATA': {},
'DEFAULT_STATUS': 'published',

4
pelican/utils.py
View file

@ -305,8 +305,8 @@ def slugify(value, substitutions=()):
replace = replace and not skip
if replace:
value = re.sub('[^\w\s-]', '', value).strip()
value = re.sub('[-\s]+', '-', value)
value = re.sub(r'[^\w\s-]', '', value).strip()
value = re.sub(r'[-\s]+', '-', value)
else:
value = value.strip()