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import os
import pygit2
import pygments
import subprocess
from datetime import datetime, timedelta
from jinja2 import Markup
from flask import Blueprint, render_template, abort, send_file, request
from flask_login import current_user
from gitsrht.access import get_repo, has_access, UserAccess
from gitsrht.editorconfig import EditorConfig
from gitsrht.redis import redis
from gitsrht.git import CachedRepository, commit_time, annotate_tree, diffstat
from gitsrht.types import User, Repository
from io import BytesIO
from pygments import highlight
from pygments.lexers import guess_lexer_for_filename, TextLexer
from pygments.formatters import HtmlFormatter
from srht.config import cfg
from srht.markdown import markdown
repo = Blueprint('repo', __name__)
def get_readme(repo, tip):
if not tip or not "README.md" in tip.tree:
return None
readme = tip.tree["README.md"]
if readme.type != "blob":
return None
key = f"git.sr.ht:git:markdown:{readme.id.hex}"
html = redis.get(key)
if html:
return Markup(html.decode())
try:
md = repo.get(readme.id).data.decode()
except:
pass
html = markdown(md, ["h1", "h2", "h3", "h4", "h5"])
redis.setex(key, html, timedelta(days=7))
return Markup(html)
def _highlight_file(name, data, blob_id):
key = f"git.sr.ht:git:highlight:{blob_id}"
html = redis.get(key)
if html:
return Markup(html.decode())
try:
lexer = guess_lexer_for_filename(name, data)
except pygments.util.ClassNotFound:
lexer = TextLexer()
formatter = HtmlFormatter()
style = formatter.get_style_defs('.highlight')
html = f"<style>{style}</style>" + highlight(data, lexer, formatter)
redis.setex(key, html, timedelta(days=7))
return Markup(html)
@repo.route("/<owner>/<repo>")
def summary(owner, repo):
owner, repo = get_repo(owner, repo)
if not repo:
abort(404)
if not has_access(repo, UserAccess.read):
abort(401)
git_repo = CachedRepository(repo.path)
base = (cfg("git.sr.ht", "origin")
.replace("http://", "")
.replace("https://", ""))
clone_urls = [
url.format(base, owner.canonical_name, repo.name)
for url in ["https://{}/{}/{}", "git@{}:{}/{}"]
]
if git_repo.is_empty:
return render_template("empty-repo.html", owner=owner, repo=repo,
clone_urls=clone_urls)
default_branch = git_repo.default_branch()
tip = git_repo.get(default_branch.target)
commits = list()
for commit in git_repo.walk(tip.id, pygit2.GIT_SORT_TIME):
commits.append(commit)
if len(commits) >= 3:
break
readme = get_readme(git_repo, tip)
tags = [(ref, git_repo.get(git_repo.references[ref].target))
for ref in git_repo.listall_references()
if ref.startswith("refs/tags/")]
tags = sorted(tags, key=lambda c: commit_time(c[1]), reverse=True)
latest_tag = tags[0] if len(tags) else None
return render_template("summary.html", view="summary",
owner=owner, repo=repo, readme=readme, commits=commits,
clone_urls=clone_urls, latest_tag=latest_tag,
default_branch=default_branch)
@repo.route("/<owner>/<repo>/tree", defaults={"ref": None, "path": ""})
@repo.route("/<owner>/<repo>/tree/<ref>", defaults={"path": ""})
@repo.route("/<owner>/<repo>/tree/<ref>/<path:path>")
def tree(owner, repo, ref, path):
owner, repo = get_repo(owner, repo)
if not repo:
abort(404)
if not has_access(repo, UserAccess.read):
abort(401)
git_repo = CachedRepository(repo.path)
ref = ref or git_repo.default_branch().name[len("refs/heads/"):]
commit = git_repo.revparse_single(ref)
if isinstance(commit, pygit2.Tag):
commit = git_repo.get(commit.target)
tree = commit.tree
editorconfig = EditorConfig(git_repo, tree, path)
path = path.split("/")
for part in path:
if part == "":
continue
if part not in tree:
abort(404)
entry = tree[part]
if entry.type == "blob":
tree = annotate_tree(git_repo, tree, commit)
commit = next(e.commit for e in tree if e.name == entry.name)
blob = git_repo.get(entry.id)
data = None
if not blob.is_binary:
try:
data = blob.data.decode()
except:
pass
return render_template("blob.html", view="tree",
owner=owner, repo=repo, ref=ref, path=path, entry=entry,
blob=blob, data=data, commit=commit,
highlight_file=_highlight_file,
editorconfig=editorconfig)
tree = git_repo.get(entry.id)
tree = annotate_tree(git_repo, tree, commit)
tree = sorted(tree, key=lambda e: e.name)
return render_template("tree.html", view="tree", owner=owner, repo=repo,
ref=ref, commit=commit, tree=tree, path=path)
@repo.route("/<owner>/<repo>/blob/<ref>/<path:path>")
def raw_blob(owner, repo, ref, path):
owner, repo = get_repo(owner, repo)
if not repo:
abort(404)
if not has_access(repo, UserAccess.read):
abort(401)
git_repo = CachedRepository(repo.path)
ref = ref or git_repo.default_branch().name[len("refs/heads/"):]
commit = git_repo.revparse_single(ref)
if isinstance(commit, pygit2.Tag):
commit = git_repo.get(commit.target)
blob = None
entry = None
tree = commit.tree
path = path.split("/")
for part in path:
if part == "":
continue
if part not in tree:
abort(404)
entry = tree[part]
if entry.type == "blob":
tree = annotate_tree(git_repo, tree, commit)
commit = next(e.commit for e in tree if e.name == entry.name)
blob = git_repo.get(entry.id)
break
tree = git_repo.get(entry.id)
if not blob:
abort(404)
return send_file(BytesIO(blob.data),
as_attachment=blob.is_binary, attachment_filename=entry.name)
@repo.route("/<owner>/<repo>/archive/<ref>")
def archive(owner, repo, ref):
owner, repo = get_repo(owner, repo)
if not repo:
abort(404)
if not has_access(repo, UserAccess.read):
abort(401)
git_repo = CachedRepository(repo.path)
ref = ref or git_repo.default_branch().name[len("refs/heads/"):]
commit = git_repo.revparse_single(ref)
if isinstance(commit, pygit2.Tag):
commit = git_repo.get(commit.target)
path = f"/tmp/{commit.id.hex}.tar.gz"
try:
args = [
"git",
"--git-dir", repo.path,
"archive",
"--format=tar.gz",
"--prefix", f"{repo.name}-{ref}"
"-o", path, ref
]
print(args)
subp = subprocess.run(args, timeout=30,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
except:
try:
os.unlink(path)
except:
pass
return "Error preparing archive", 500
if subp.returncode != 0:
print(subp.stdout, subp.stderr)
try:
os.unlink(path)
except:
pass
return "Error preparing archive", 500
f = open(path, "rb")
os.unlink(path)
return send_file(f, mimetype="application/tar+gzip", as_attachment=True,
attachment_filename=f"{repo.name}-{ref}.tar.gz")
class _AnnotatedRef:
def __init__(self, repo, ref):
self.ref = ref
self.target = ref.target
if ref.name.startswith("refs/heads/"):
self.type = "branch"
self.name = ref.name[len("refs/heads/"):]
self.branch = repo.get(ref.target)
self.commit = self.branch
elif ref.name.startswith("refs/tags/"):
self.type = "tag"
self.name = ref.name[len("refs/tags/"):]
self.tag = repo.get(self.target)
if isinstance(self.tag, pygit2.Commit):
self.commit = self.tag
else:
self.commit = repo.get(self.tag.
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