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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. 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 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 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:: 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``. 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'] structure = self.settings['ARTICLE_PERMALINK_STRUCTURE']
# Convert %(variable) into {variable}. # 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 # 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 # Strip a / prefix
structure = re.sub('^/', '', structure) structure = re.sub('^/', '', structure)

6
pelican/readers.py
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@ -650,9 +650,9 @@ def parse_path_metadata(source_path, settings=None, process=None):
... settings=settings, ... settings=settings,
... process=reader.process_metadata) ... process=reader.process_metadata)
>>> pprint.pprint(metadata) # doctest: +ELLIPSIS >>> pprint.pprint(metadata) # doctest: +ELLIPSIS
{'category': <pelican.urlwrappers.Category object at ...>, ... {'category': <pelican.urlwrappers.Category object at ...>,
'date': SafeDatetime(2013, 1, 1, 0, 0), ... 'date': SafeDatetime(2013, 1, 1, 0, 0),
'slug': 'my-slug'} ... 'slug': 'my-slug'}
""" """
metadata = {} metadata = {}
dirname, basename = os.path.split(source_path) dirname, basename = os.path.split(source_path)

2
pelican/rstdirectives.py
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@ -75,7 +75,7 @@ directives.register_directive('code-block', Pygments)
directives.register_directive('sourcecode', 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): class abbreviation(nodes.Inline, nodes.TextElement):

2
pelican/settings.py
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@ -121,7 +121,7 @@ DEFAULT_CONFIG = {
'DEFAULT_PAGINATION': False, 'DEFAULT_PAGINATION': False,
'DEFAULT_ORPHANS': 0, 'DEFAULT_ORPHANS': 0,
'DEFAULT_METADATA': {}, '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': '', 'PATH_METADATA': '',
'EXTRA_PATH_METADATA': {}, 'EXTRA_PATH_METADATA': {},
'DEFAULT_STATUS': 'published', 'DEFAULT_STATUS': 'published',

4
pelican/utils.py
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@ -305,8 +305,8 @@ def slugify(value, substitutions=()):
replace = replace and not skip replace = replace and not skip
if replace: if replace:
value = re.sub('[^\w\s-]', '', value).strip() value = re.sub(r'[^\w\s-]', '', value).strip()
value = re.sub('[-\s]+', '-', value) value = re.sub(r'[-\s]+', '-', value)
else: else:
value = value.strip() value = value.strip()