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Comment Parser

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Python module used to extract comments from source code files of various types.

Installation

Prerequisites

  • libmagic

Linux/Unix

sudo pip3 install comment_parser

OSX and Windows

Additionally, complete the special installation requirements for python-magic.

Usage

To use, simply run:

>>> from comment_parser import comment_parser >>> # Returns a list of comment_parser.parsers.common.Comments >>> comment_parser.extract_comments('/path/to/source_file') >>> # Or >>> comment_parser.extract_comments_from_str('...')

extract_comments signatures

def extract_comments(filename, mime=None): """Extracts and returns the comments from the given source file.   Args:  filename: String name of the file to extract comments from.  mime: Optional MIME type for file (str). Note some MIME types accepted  don't comply with RFC2045. If not given, an attempt to deduce the  MIME type will occur.  Returns:  Python list of parsers.common.Comment in the order that they appear in  the source file.  Raises:  UnsupportedError: If filename is of an unsupported MIME type.  """ pass def extract_comments_from_str(code, mime=None): """Extracts and returns comments from the given source string.   Args:  code: String containing code to extract comments from.  mime: Optional MIME type for code (str). Note some MIME types accepted  don't comply with RFC2045. If not given, an attempt to deduce the  MIME type will occur.  Returns:  Python list of parsers.common.Comment in the order that they appear in  the source code.  Raises:  UnsupportedError: If code is of an unsupported MIME type.  """ pass

Comments Interface

class Comment(object): """Represents comments found in source files.""" def text(self): """Returns the comment's text.  Returns:  String  """ pass def line_number(self): """Returns the line number the comment was found on.  Returns:  Int  """ pass def is_multiline(self): """Returns whether this comment was a multiline comment.  Returns:  True if comment was a multiline comment, False if not.  """ pass def __str__(self): pass def __eq__(self, other): pass

Development

Install Dependencies

pip install -r requirements.txt -r requirements-dev.txt

Running locally

Start python in the base of repository.

from comment_parser import comment_parser comment_parser.extract_comments('foo.c', mime='text/x-c')

Running tests

python -m pytest

Running pylint

pylint comment_parser

Running formatter

yapf -rip .

Deploying to PyPi

python setup.py sdist twine upload dist/*

Supported Programming Languages

Language Mime String
C text/x-c
C++/C# text/x-c++
Go text/x-go
HTML text/html
Java text/x-java-source
Javascript application/javascript
Python text/x-python
Python text/x-script.python
Ruby text/x-ruby
Shell text/x-shellscript
XML text/xml

And more to come!

Check comment_parser.py for corresponding MIME types.

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Python module to extract comments from source code files of various types.

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