mirror of
https://github.com/encode/django-rest-framework.git
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66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
"""
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Utility functions to return a formatted name and description for a given view.
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"""
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from __future__ import unicode_literals
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import re
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from django.utils.encoding import force_text
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from django.utils.html import escape
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from django.utils.safestring import mark_safe
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from rest_framework.compat import apply_markdown
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def remove_trailing_string(content, trailing):
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"""
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Strip trailing component `trailing` from `content` if it exists.
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Used when generating names from view classes.
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"""
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if content.endswith(trailing) and content != trailing:
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return content[:-len(trailing)]
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return content
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def dedent(content):
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"""
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Remove leading indent from a block of text.
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Used when generating descriptions from docstrings.
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Note that python's `textwrap.dedent` doesn't quite cut it,
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as it fails to dedent multiline docstrings that include
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unindented text on the initial line.
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"""
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content = force_text(content)
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whitespace_counts = [len(line) - len(line.lstrip(' '))
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for line in content.splitlines()[1:] if line.lstrip()]
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# unindent the content if needed
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if whitespace_counts:
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whitespace_pattern = '^' + (' ' * min(whitespace_counts))
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content = re.sub(re.compile(whitespace_pattern, re.MULTILINE), '', content)
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return content.strip()
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def camelcase_to_spaces(content):
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"""
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Translate 'CamelCaseNames' to 'Camel Case Names'.
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Used when generating names from view classes.
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"""
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camelcase_boundry = '(((?<=[a-z])[A-Z])|([A-Z](?![A-Z]|$)))'
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content = re.sub(camelcase_boundry, ' \\1', content).strip()
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return ' '.join(content.split('_')).title()
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def markup_description(description):
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"""
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Apply HTML markup to the given description.
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"""
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if apply_markdown:
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description = apply_markdown(description)
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else:
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description = escape(description).replace('\n', '<br />')
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description = '<p>' + description + '</p>'
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return mark_safe(description)
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