#-*- coding: utf-8 -*-
"""
(c) 2014 - Copyright Red Hat Inc
Authors:
Pierre-Yves Chibon <pingou@pingoured.fr>
"""
import flask
import os
from math import ceil
import pygit2
from sqlalchemy.exc import SQLAlchemyError
from pygments import highlight
from pygments.lexers import guess_lexer
from pygments.lexers.text import DiffLexer
from pygments.formatters import HtmlFormatter
from progit import APP, SESSION, LOG
### Application
@APP.route('/')
def index():
""" Front page of the application.
"""
page = flask.request.args.get('page', 1)
try:
page = int(page)
except ValueError:
page = 1
limit = APP.config['ITEM_PER_PAGE']
start = limit * (page - 1)
end = limit * page
repos = sorted(os.listdir(APP.config['GIT_FOLDER']))
repos_length = len(repos)
total_page = int(ceil(repos_length / float(limit)))
repos = repos[start:end]
return flask.render_template(
'index.html',
repos=repos,
total_page=total_page,
page=page,
)
@APP.route('/users/')
def view_users():
""" Present the list of users.
"""
page = flask.request.args.get('page', 1)
try:
page = int(page)
except ValueError:
page = 1
## TODO: retrieve this from the DB
users = ['pingou']
limit = APP.config['ITEM_PER_PAGE']
start = limit * (page - 1)
end = limit * page
users_length = len(users)
users = users[start:end]
total_page = int(ceil(users_length / float(limit)))
return flask.render_template(
'user_list.html',
users=users,
total_page=total_page,
page=page,
)
@APP.route('/user/<username>')
def view_user(username):
""" Front page of a specific user.
"""
user_folder = os.path.join(APP.config['FORK_FOLDER'], username)
if not os.path.exists(user_folder):
flask.abort(404)
page = flask.request.args.get('page', 1)
try:
page = int(page)
except ValueError:
page = 1
repos = sorted(os.listdir(user_folder))
limit = APP.config['ITEM_PER_PAGE']
start = limit * (page - 1)
end = limit * page
repos_length = len(repos)
repos = repos[start:end]
total_page = int(ceil(repos_length / float(limit)))
repos_obj = [
pygit2.Repository(
os.path.join(APP.config['FORK_FOLDER'], username, repo))
for repo in repos]
return flask.render_template(
'user_info.html',
username=username,
repos=repos,
repos_obj=repos_obj,
total_page=total_page,
page=page,
)
@APP.route('/<repo>')
def view_repo(repo):
""" Front page of a specific repo.
"""
reponame = os.path.join(APP.config['GIT_FOLDER'], repo)
if not os.path.exists(reponame):
flask.abort(404)
repo_obj = pygit2.Repository(reponame)
cnt = 0
last_commits = []
for commit in repo_obj.walk(repo_obj.head.target, pygit2.GIT_SORT_TIME):
last_commits.append(commit)
cnt += 1
if cnt == 10:
break
return flask.render_template(
'repo_info.html',
repo=repo,
branches=sorted(repo_obj.listall_branches()),
branchname='master',
last_commits=last_commits,
tree=sorted(last_commits[0].tree, key=lambda x: x.filemode),
)
@APP.route('/<repo>/branch/<branchname>')
def view_repo_branch(repo, branchname):
""" Displays the information about a specific branch.
"""
reponame = os.path.join(APP.config['GIT_FOLDER'], repo)
if not os.path.exists(reponame):
flask.abort(404)
repo_obj = pygit2.Repository(reponame)
if not branchname in repo_obj.listall_branches():
flask.abort(404)
branch = repo_obj.lookup_branch(branchname)
cnt = 0
last_commits = []
for commit in repo_obj.walk(branch.get_object().hex, pygit2.GIT_SORT_TIME):
last_commits.append(commit)
cnt += 1
if cnt == 10:
break
return flask.render_template(
'repo_info.html',
repo=repo,
branches=sorted(repo_obj.listall_branches()),
branchname=branchname,
last_commits=last_commits,
tree=sorted(last_commits[0].tree, key=lambda x: x.filemode),
)
@APP.route('/<repo>/log')
@APP.route('/<repo>/log/<branchname>')
def view_log(repo, branchname=None):
""" Displays the logs of the specified repo.
"""
reponame = os.path.join(APP.config['GIT_FOLDER'], repo)
if not os.path.exists(reponame):
flask.abort(404)
repo_obj = pygit2.Repository(reponame)
if branchname and not branchname in repo_obj.listall_branches():
flask.abort(404)
if branchname:
branch = repo_obj.lookup_branch(branchname)
else:
branch = repo_obj.lookup_branch('master')
try:
page = int(flask.request.args.get('page', 1))
except ValueError:
page = 1
limit = APP.config['ITEM_PER_PAGE']
start = limit * (page - 1)
end = limit * page
n_commits = 0
last_commits = []
for commit in repo_obj.walk(
branch.get_object().hex, pygit2.GIT_SORT_TIME):
if n_commits >= start and n_commits <= end:
last_commits.append(commit)
n_commits += 1
total_page = int(ceil(n_commits / float(limit)))
return flask.render_template(
'repo_info.html',
origin='view_log',
repo=repo,
branches=sorted(repo_obj.listall_branches()),
branchname=branchname,
last_commits=last_commits,
page=page,
total_page=total_page,
)
@APP.route('/<repo>/blob/<identifier>/<path:filename>')
@APP.route('/<repo>/blob/<identifier>/<path:filename>')
def view_file(repo, identifier, filename):
""" Displays the content of a file or a tree for the specified repo.
"""
reponame = os.path.join(APP.config['GIT_FOLDER'], repo)
if not os.path.exists(reponame):
flask.abort(404)
repo_obj = pygit2.Repository(reponame)
if identifier in repo_obj.listall_branches():
branchname = identifier
branch = repo_obj.lookup_branch(identifier)
commit = branch.get_object()
else:
try:
commit = repo_obj.get(identifier)
branchname = identifier
except ValueError:
# If it's not a commit id then it's part of the filename
commit = repo_obj[repo_obj.head.target]
branchname = 'master'
def __get_file_in_tree(tree, filepath):
''' Retrieve the entry corresponding to the provided filename in a
given tree.
'''
filename = filepath[0]
if isinstance(tree, pygit2.Blob):
return
for el in tree:
if el.name == filename:
if len(filepath) == 1:
return repo_obj[el.oid]
else:
return __get_file_in_tree(repo_obj[el.oid], filepath[1:])
content = __get_file_in_tree(commit.tree, filename.split('/'))
if not content:
flask.abort(404, 'File not found')
content = repo_obj[content.oid]
if isinstance(content, pygit2.Blob):
content = highlight(
content.data,
guess_lexer(content.data),
HtmlFormatter(
noclasses=True,
style="tango",)
)
output_type = 'file'
else:
content = sorted(content, key=lambda x: x.filemode)
output_type = 'tree'
return flask.render_template(
'file.html',
repo=repo,
branchname=branchname,
filename=filename,
content=content,
output_type=output_type,
)
@APP.route('/<repo>/<commitid>')
def view_commit(repo, commitid):
""" Render a commit in a repo
"""
reponame = os.path.join(APP.config['GIT_FOLDER'], repo)
if not os.path.exists(reponame):
flask.abort(404)
repo_obj = pygit2.Repository(reponame)
try:
commit = repo_obj.get(commitid)
except ValueError:
flask.abort(404)
if commit.parents:
diff = commit.tree.diff_to_tree()
parent = repo_obj.revparse_single('%s^' % commitid)
diff = repo_obj.diff(parent, commit)
else:
# First commit in the repo
diff = commit.tree.diff_to_tree(swap=True)
html_diff = highlight(
diff.patch,
DiffLexer(),
HtmlFormatter(
noclasses=True,
style="tango",)
)
return flask.render_template(
'commit.html',
repo=repo,
commitid=commitid,
commit=commit,
diff=diff,
html_diff=html_diff,
)
@APP.route('/<repo>/tree/')
@APP.route('/<repo>/tree/<identifier>')
def view_tree(repo, identifier=None):
""" Render the tree of the repo
"""
reponame = os.path.join(APP.config['GIT_FOLDER'], repo)
if not os.path.exists(reponame):
flask.abort(404)
repo_obj = pygit2.Repository(reponame)
if identifier in repo_obj.listall_branches():
branchname = identifier
branch = repo_obj.lookup_branch(identifier)
commit = branch.get_object()
else:
try:
commit = repo_obj.get(identifier)
branchname = identifier
except (ValueError, TypeError):
# If it's not a commit id then it's part of the filename
commit = repo_obj[repo_obj.head.target]
branchname = 'master'
content = sorted(commit.tree, key=lambda x: x.filemode)
output_type = 'tree'
return flask.render_template(
'file.html',
repo=repo,
branchname=branchname,
filename='',
content=content,
output_type=output_type,
)