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from collections import defaultdict
from dataclasses import dataclass, field
from itertools import chain
from os import environ, path
from subprocess import run
from typing import Iterator
@dataclass
class Directory:
files: Iterator[str] = field(default_factory=list)
subfolders: Iterator[str] = field(default_factory=set)
def serialize(self):
return {
'files': sorted(self.files),
'subfolders': sorted(self.subfolders)
}
@classmethod
def deserialize(cls, d):
return cls(**d)
def _find_files(extensions, repository):
patterns = (f'**.{ext}' for ext in extensions)
zero = '\x00'
return repository.git.ls_files('-z', *patterns).strip(zero).split(zero)
def _fill_directories(files, top_dir):
directories = defaultdict(Directory)
for f in files:
fdir, fname = path.split(f)
directories[fdir].files.append(fname)
while fdir:
parent, child = path.split(fdir)
directories[parent].subfolders.add(child)
fdir = parent
return directories
def compute_directories(extensions, repository):
files = _find_files(extensions, repository)
top_dir = path.relpath(repository.working_dir, path.curdir)
return _fill_directories(files, top_dir)
def deserialize_directories(directories):
return {
k: Directory.deserialize(v) for k, v in directories.items()
}
def pandoc(page, output, template, filters, stylesheets, site_title=None,
include_after=(), variables=None, metadata=None):
cmd = (
'pandoc', '-s', page, '-o', output, '--template', template,
*chain(*(('--lua-filter', f) for f in filters)),
*chain(*(('--css', s) for s in stylesheets)),
*chain(*(('--include-after-body', f) for f in include_after))
)
if site_title is not None:
cmd += ('-T', site_title)
if variables is not None:
cmd += tuple(chain(
*(('-V', f'{k}={v}') for k, v in variables.items())
))
if metadata is not None:
cmd += tuple(chain(
*(('-M', f'{k}={v}') for k, v in metadata.items())
))
environ['LUA_PATH'] = '.cache/?.lua;;'
run(cmd, check=True)
def generate_crumbs(target):
parts = ('(top)', *target.parts)
if parts[-1] == 'index':
*crumbs, current = parts[:-1]
else:
crumbs = parts[:-1]
current, _ = path.splitext(parts[-1])
crumbs_li = (
'<li><a href="{link}">{crumb}</a></li>'.format(
link=(path.relpath(path.join(*crumbs[1:i], 'index.html'),
start=target.parent)),
crumb=crumb
)
for i, crumb in enumerate(crumbs, start=1)
)
current_li = f'<li aria-current="page">{current}</li>'
return '\n'.join((*crumbs_li, current_li))
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