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#!/usr/bin/env python3
import fnmatch
import hashlib
import json
import os
import shutil
import sqlite3
import sys
import time
import urllib.parse
import trac2md
wiki_query = '''
SELECT
name,
version,
time / 1000000 AS time,
text
FROM wiki
ORDER BY
name, version
'''
attachment_query = '''
SELECT
id,
filename,
size,
author,
description,
ipnr,
time / 1000000 AS createdtime
FROM
attachment
WHERE
type = 'wiki'
ORDER BY
filename, time
'''
def attachment_link(row):
h = lambda whatever: hashlib.sha1(whatever.encode()).hexdigest()
h1 = h(row.id)
h2 = h(row.filename)
fn2 = os.path.splitext(row["filename"])[1]
return \
os.path.join("attachments", "wiki", h1[:3], h1, h2 + fn2), \
os.path.join("pelican", "content", urllib.parse.quote(row.id, ""), row.filename)
class Filter:
def __init__(self, filename = "filter.json"):
with open(filename) as f:
filter = json.load(f)
if not all(action in "-+" for action, pattern in filter):
sys.exit("Bad action \"{}\" in filter".format(action))
self.filter = tuple((action == "+", pattern) for action, pattern in filter)
def __call__(self, name):
for action, pattern in self.filter:
if fnmatch.fnmatch(name, pattern):
return action
return True
class Row(sqlite3.Row):
def __getattr__(self, name):
return self[name]
@property
def isotime(self):
return time.strftime("%Y-%m-%d %H:%M", time.gmtime(self.time))
def markdown_header(row, first_published):
if row.name in first_published:
modtime = "Modified: {}\n".format(row.isotime)
else:
modtime = ""
first_published[row.name] = row.isotime
return "Title: {}\nDate: {}\n{}\n".format(row.name, first_published[row.name], modtime)
def main():
for dn in ("wiki", "pelican"):
shutil.rmtree(dn)
for dn in ("wiki", "pelican/content"):
os.makedirs(dn)
os.link("pelicanconf.py", "pelican/pelicanconf.py")
keep = Filter()
first_published = {}
db = sqlite3.connect("trac.db")
db.row_factory = Row
for row in db.execute(wiki_query):
if keep(row.name):
slug = urllib.parse.quote(row.name, "")
#print(slug, row.version)
with open("wiki/{}.trac".format(slug), "w") as f:
f.write(row.text)
md = markdown_header(row, first_published) + trac2md.WikiToMD(row.text, slug)
with open("pelican/content/{}.md".format(slug), "w") as f:
f.write(md)
for row in db.execute(attachment_query):
src, dst = attachment_link(row)
#print("{} => {}".format(dst, src))
if not os.path.isdir(os.path.dirname(dst)):
os.makedirs(os.path.dirname(dst))
os.link(src, dst)
db.close()
if __name__ == "__main__":
main()
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