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-rwxr-xr-xtools/trac2md.py234
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diff --git a/tools/trac2md.py b/tools/trac2md.py
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-#!/usr/bin/env python2
-
-# Untested code from https://www.snip2code.com/Snippet/1704331/Convert-trac-markup-to-Markdown/
-
-# This code mostly taken from patches to pagure_importer by mreynolds
-
-import sys
-import re
-import time
-import requests
-import shutil
-import os
-from base64 import b64decode
-from datetime import datetime
-
-wikilink_pattern = re.compile('\[http(.*)\]')
-wikilink_extract = re.compile('\[(.*)\]')
-strikethrough_pattern = re.compile('~~(.*)~~')
-camelcase_pattern = re.compile("!(\w+)")
-image_pattern = re.compile("\[\[Image\((.*)\)\]\]")
-
-wikiheading_patterns = tuple((level, re.compile("^{} (.*)[ \t]*=*$".format("=" * level)))
- for level in range(1, 7))
-
-def to_timestamp(tm):
- ''' Convert to timestamp which can be jsonified '''
-
- tm = tm.replace('+00:00', '')
- date = datetime.strptime(tm, '%Y-%m-%dT%H:%M:%S')
- ts = str(time.mktime(date.timetuple()))[:-2] # Strip the .0
- return ts
-
-
-def strip_wikilink(content):
- ''' Need to remove wiki link format from custom fields. They come in a
- variety of forms that can be comma or whitespace separated. They can also
- include link names which must also be removed.
-
- [https://bugzilla.redhat.com/show_bug.cgi?id=772777]
- [https://bugzilla.com/123456789], [http://bugzilla.com/7777777 7777777]
- [https://bugzilla.com/6666666 6666666]
- '''
-
- links = []
- if wikilink_pattern.search(content):
- # Looks like we have a link in here
- links = []
- mylist = re.findall(r'\[([^]]*)\]', content)
- for i in mylist:
- links.append(i.split(' ', 1)[0])
- return ', '.join(links)
- else:
- return content
-
-
-def convert_headers(line):
- ''' Convert wikiformat headers
- '''
- for level_count, header in wikiheading_patterns:
- try:
- level = header.search(line).group(1)
- if level:
- line = "%s %s" % ('#' * level_count, level.rstrip("= \r\t"))
- break # No need to check other heading levels
- except:
- # Try the next heading level
- pass
-
- return line
-
-
-def convert_wikilinks(line):
- ''' Convert wikiformat links
- '''
- if wikilink_pattern.search(line):
- try:
- result = wikilink_extract.search(line).group(1)
- if result:
- parts = result.split(' ', 1)
- if len(parts) == 1:
- mdlink = '[%s](%s)' % (parts[0], parts[0])
- elif len(parts) == 2:
- mdlink = '[%s](%s)' % (parts[1], parts[0])
- line = line.replace('[' + result + ']', mdlink)
- except:
- # Not a link, not a problem
- pass
-
- return line
-
-
-def convert_strike(line):
- ''' Convert wikiformat striked text
- '''
- striked_result = strikethrough_pattern.search(line)
- if striked_result:
- try:
- striked_text = striked_result.group(1)
- if striked_text:
- orig_text = '~~%s~~' % striked_text
- new_text = '<s>%s</s>' % striked_text
- line = line.replace(orig_text, new_text)
- except:
- # Not striked
- pass
- return line
-
-def convert_image(line):
- image_result = image_pattern.search(line)
- if image_result:
- try:
- image_text = image_result.group(1).split(",")[0].strip()
- old_text = image_result.group(0)
- new_text = "<img src=\"{}\">".format(image_text)
- line = line.replace(old_text, new_text)
- except:
- pass
- return line
-
-def convert_linebreak(line):
- # Markdown spec says linebreak is <SPACE><SPACE><RETURN>, who am I to argue?
- if line.endswith("\\\\"):
- line = line[:-2] + " "
- return line
-
-def WikiToMD(content):
- ''' Convert wiki/RST format to Markdown. Code blocks, bold/italics,
- wiki links, lists, striked text, and headers. '''
-
- # Line breaks in Markdown must be at end of line, so add newlines as needed
- content = content.replace("[[br]]", "\\\\").replace("[[BR]]", "\\\\").replace("\\\\", "\\\\\n")
-
- code_block = False
- in_list = False
- in_table = False
- nested_level = 0
- prev_indent = 0
- old_content = content.splitlines()
- new_content = []
-
- while old_content:
- line = old_content.pop(0).rstrip()
- tail = ["\n"]
- while "{{{" in line or "}}}" in line:
- if "{{{" in line:
- code_block = True
- line = line.replace("{{{", "```")
- if "}}}" in line:
- code_block = False
- line = line.replace("}}}", "```")
- if not code_block:
- #
- # Want to convert tables. References:
- # https://github.github.com/gfm/#tables-extension-
- # https://permatrac.noc.ietf.org/wiki/WikiFormatting#Tables
- #
- # Table start: line containing "||"
- # Table end: blank line?
- #
- # Figuring out whether there's a real header line is fun,
- # trac doesn't require one, markdown does. Guess we can
- # add a dummy header if no better idea. Markdown requires
- # delimiter line, which we add immediately after the
- # header, both appear to be mandatory. Trac can have
- # label cells anywhere, not just in header, might need to
- # add "*" to those or just ignore the issue.
- # Justification we can sort of figure out from the header,
- # if the rows do anything different, ouch, because
- # markdown specifies in delimiter line.
- #
- # Might do something clever with the "=" markers and
- # alignment, start with just getting the basic table
- # structure to something markdown will believe.
- #
- if line.strip().startswith("||"):
- line = line.replace("=|", "|").replace("|=", "|")
- line = line.replace("||", "|")
- if not in_table:
- tail.append("|---" * (line.count("|") - 1) + "|\n")
- in_table = True
- elif in_table and not line.strip().startswith("||"):
- new_content.append("\n")
- in_table = False
-
- #
- # Convert bullet lists. The start and end of a list needs
- # an empty line.
- #
- nested_line = line.lstrip(' ')
- if nested_line.startswith('- ') or nested_line.startswith('* '):
- if not in_list:
- new_content.append("\n")
- nested_level = 0
- prev_indent = 0
- in_list = True
- indent = len(line) - len(nested_line)
- if indent > prev_indent:
- nested_level += 1
- elif indent < prev_indent:
- nested_level -= 1
- prev_indent = indent
- line = ' ' * nested_level + nested_line
- elif in_list:
- new_content.append("\n")
- in_list = False
- nested_level = 0
- prev_indent = 0
-
- # Convert CamelCase
- line = camelcase_pattern.sub("\\1", line)
-
- # Convert headers
- line = convert_headers(line)
-
- # Convert wiki links
- line = convert_wikilinks(line)
-
- # Convert striked through text
- line = convert_strike(line)
-
- # Convert images
- line = convert_image(line)
-
- # Convert line breaks
- line = convert_linebreak(line)
-
- # Convert bold and italic text (do this last)
- line = line.replace("'''", "**") # Convert bold text
- line = line.replace("''", "*") # Convert italic text
-
- new_content.append(line)
- new_content.extend(tail)
-
- return "".join(new_content)
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