#-*- coding: utf-8 -*-
"""
(c) 2014 - Copyright Red Hat Inc
Authors:
Pierre-Yves Chibon <pingou@pingoured.fr>
"""
import flask
import os
import tempfile
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
import progit.exceptions
import progit.lib
import progit.forms
from progit import APP, SESSION, LOG, __get_file_in_tree
### Application
def view_repo(repo, username=None):
""" Front page of a specific repo.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if repo is None:
flask.abort(404)
reponame = os.path.join(APP.config['GIT_FOLDER'], repo.path)
if repo.is_fork:
reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
repo_obj = pygit2.Repository(reponame)
cnt = 0
last_commits = []
tree = []
if not repo_obj.is_empty:
for commit in repo_obj.walk(
repo_obj.head.target, pygit2.GIT_SORT_TIME):
last_commits.append(commit)
cnt += 1
if cnt == 10:
break
tree = sorted(last_commits[0].tree, key=lambda x: x.filemode)
readme = None
for i in tree:
name, ext = os.path.splitext(i.name)
if name == 'README':
content = repo_obj[i.oid].data
readme = progit.doc_utils.convert_readme(content, ext)
diff_commits = []
if repo.is_fork:
parentname = os.path.join(
APP.config['GIT_FOLDER'], repo.parent.path)
orig_repo = pygit2.Repository(parentname)
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[orig_repo.head.target]
repo_commit = repo_obj[repo_obj.head.target]
diff = repo_obj.diff(
repo_obj.revparse_single(orig_commit.oid.hex),
repo_obj.revparse_single(repo_commit.oid.hex))
for commit in repo_obj.walk(
repo_obj.head.target, pygit2.GIT_SORT_TIME):
if commit.oid.hex == orig_commit.oid.hex:
break
diff_commits.append(commit.oid.hex)
return flask.render_template(
'repo_info.html',
select='overview',
repo=repo,
repo_obj=repo_obj,
username=username,
readme=readme,
branches=sorted(repo_obj.listall_branches()),
branchname='master',
last_commits=last_commits,
tree=tree,
diff_commits=diff_commits,
)
def view_repo_branch(repo, branchname, username=None):
""" Displays the information about a specific branch.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404)
reponame = os.path.join(APP.config['GIT_FOLDER'], repo.path)
if repo.is_fork:
reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
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
diff_commits = []
if repo.is_fork:
parentname = os.path.join(
APP.config['GIT_FOLDER'], repo.parent.path)
orig_repo = pygit2.Repository(parentname)
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[orig_repo.head.target]
repo_commit = repo_obj[branch.get_object().hex]
diff = repo_obj.diff(
repo_obj.revparse_single(orig_commit.oid.hex),
repo_obj.revparse_single(repo_commit.oid.hex))
for commit in repo_obj.walk(
repo_obj.head.target, pygit2.GIT_SORT_TIME):
if commit.oid.hex == orig_commit.oid.hex:
break
diff_commits.append(commit.oid.hex)
return flask.render_template(
'repo_info.html',
select='overview',
repo=repo,
username=username,
branches=sorted(repo_obj.listall_branches()),
branchname=branchname,
last_commits=last_commits,
tree=sorted(last_commits[0].tree, key=lambda x: x.filemode),
diff_commits=diff_commits,
)
def view_log(repo, branchname=None, username=None):
""" Displays the logs of the specified repo.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404)
reponame = os.path.join(APP.config['GIT_FOLDER'], repo.path)
if repo.is_fork:
reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
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)))
diff_commits = []
if repo.is_fork:
parentname = os.path.join(
APP.config['GIT_FOLDER'], repo.parent.path)
orig_repo = pygit2.Repository(parentname)
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[orig_repo.head.target]
repo_commit = repo_obj[branch.get_object().hex]
diff = repo_obj.diff(
repo_obj.revparse_single(orig_commit.oid.hex),
repo_obj.revparse_single(repo_commit.oid.hex))
for commit in repo_obj.walk(
repo_obj.head.target, pygit2.GIT_SORT_TIME):
if commit.oid.hex == orig_commit.oid.hex:
break
diff_commits.append(commit.oid.hex)
origin = 'view_log'
if username:
origin = 'view_fork_log'
return flask.render_template(
'repo_info.html',
select='logs',
origin=origin,
repo=repo,
username=username,
branches=sorted(repo_obj.listall_branches()),
branchname=branchname,
last_commits=last_commits,
diff_commits=diff_commits,
page=page,
total_page=total_page,
)
def view_file(repo, identifier, filename, username=None):
""" Displays the content of a file or a tree for the specified repo.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404)
reponame = os.path.join(APP.config['GIT_FOLDER'], repo.path)
if repo.is_fork:
reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
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'
content = __get_file_in_tree(repo_obj, 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',
select='tree',
repo=repo,
username=username,
branchname=branchname,
filename=filename,
content=content,
output_type=output_type,
)
def view_commit(repo, commitid, username=None):
""" Render a commit in a repo
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404)
reponame = os.path.join(APP.config['GIT_FOLDER'], repo.path)
if repo.is_fork:
reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
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',
select='logs',
repo=repo,
username=username,
commitid=commitid,
commit=commit,
diff=diff,
html_diff=html_diff,
)
def view_tree(repo, identifier=None, username=None):
""" Render the tree of the repo
"""
repo = progit.lib.get_project(SESSION, repo)
if repo is None:
flask.abort(404)
reponame = os.path.join(APP.config['GIT_FOLDER'], repo.path)
if repo.is_fork:
reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
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',
select='tree',
repo=repo,
username=username,
branchname=branchname,
filename='',
content=content,
output_type=output_type,
)
def view_issues(repo, username=None):
""" List all issues associated to a repo
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if repo is None:
flask.abort(404)
issues = progit.lib.get_issues(SESSION, repo)
return flask.render_template(
'issues.html',
select='issues',
repo=repo,
username=username,
issues=issues,
)
def new_issue(repo, username=None):
""" Create a new issue
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if repo is None:
flask.abort(404, 'Project not found')
form = progit.forms.IssueForm()
if form.validate_on_submit():
title = form.title.data
content = form.content.data
try:
message = progit.lib.new_issue(
SESSION,
repo=repo,
title=title,
content=content,
user=flask.g.fas_user.username,
)
SESSION.commit()
flask.flash(message)
return flask.redirect(flask.url_for(
'view_fork_issues', username=username, repo=repo.name))
except progit.exceptions.ProgitException, err:
flask.flash(str(err), 'error')
except SQLAlchemyError, err: # pragma: no cover
SESSION.rollback()
flask.flash(str(err), 'error')
return flask.render_template(
'new_issue.html',
select='issues',
form=form,
repo=repo,
username=username,
)
def view_issue(repo, issueid, username=None):
""" List all issues associated to a repo
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if repo is None:
flask.abort(404, 'Project not found')
issue = progit.lib.get_issue(SESSION, issueid)
if issue is None:
flask.abort(404, 'Issue not found')
return flask.render_template(
'issue.html',
select='issues',
repo=repo,
username=username,
issue=issue,
)
def edit_issue(repo, issueid, username=None):
""" Edit the specified issue
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if repo is None:
flask.abort(404, 'Project not found')
issue = progit.lib.get_issue(SESSION, issueid)
if issue is None:
flask.abort(404, 'Issue not found')
form = progit.forms.IssueForm()
if form.validate_on_submit():
title = form.title.data
content = form.content.data
try:
message = progit.lib.edit_issue(
SESSION,
issue=issue,
title=title,
content=content,
)
SESSION.commit()
flask.flash(message)
return flask.redirect(flask.url_for(
'view_fork_issues', username=username, repo=repo.name))
except progit.exceptions.ProgitException, err:
flask.flash(str(err), 'error')
except SQLAlchemyError, err: # pragma: no cover
SESSION.rollback()
flask.flash(str(err), 'error')
elif flask.request.method == 'GET':
form.title.data = issue.title
form.content.data = issue.content
return flask.render_template(
'new_issue.html',
select='issues',
type='edit',
form=form,
repo=repo,
username=username,
issue=issue,
)
def request_pulls(repo, username=None):
""" Returns the list of pull-requests opened on a project.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
requests = progit.lib.get_pull_requests(
SESSION, project_id=repo.id, status=True)
return flask.render_template(
'requests.html',
select='requests',
repo=repo,
username=username,
requests=requests,
)
def request_pull(repo, requestid, username=None):
""" Request pulling the changes from the fork into the project.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
if not request:
flask.abort(404, 'Pull-request not found')
repopath = os.path.join(
APP.config['FORK_FOLDER'], request.repo_from.path)
repo_obj = pygit2.Repository(repopath)
parentname = os.path.join(
APP.config['GIT_FOLDER'], request.repo.path)
orig_repo = pygit2.Repository(parentname)
diff_commits = []
diffs = []
repo_commit = repo_obj[request.stop_id]
if not repo_obj.is_empty and not orig_repo.is_empty:
orig_commit = orig_repo[request.start_id]
for commit in repo_obj.walk(request.stop_id, pygit2.GIT_SORT_TIME):
if commit.oid.hex == orig_commit.oid.hex:
break
diff_commits.append(commit)
diffs.append(
repo_obj.diff(
repo_obj.revparse_single(commit.parents[0].oid.hex),
repo_obj.revparse_single(commit.oid.hex)
)
)
elif orig_repo.is_empty:
orig_commit = None
diff = repo_commit.tree.diff_to_tree(swap=True)
else:
flask.flash(
'Fork is empty, there are no commits to request pulling',
'error')
return flask.redirect(flask.url_for(
'view_fork_repo', username=username, repo=repo.name))
html_diffs = []
for diff in diffs:
html_diffs.append(
highlight(
diff.patch,
DiffLexer(),
HtmlFormatter(
noclasses=True,
style="tango",)
)
)
return flask.render_template(
'pull_request.html',
select='requests',
repo=repo,
username=username or request.user,
request=request,
repo_obj=repo_obj,
orig_repo=orig_repo,
diff_commits=diff_commits,
diffs=diffs,
html_diffs=html_diffs,
)
def merge_request_pull(repo, requestid, username=None):
""" Merge a request pulling the changes from the fork into the project.
"""
repo = progit.lib.get_project(SESSION, repo, user=username)
if not repo:
flask.abort(404, 'Project not found')
request = progit.lib.get_pull_request(
SESSION, project_id=repo.id, requestid=requestid)
if not request:
flask.abort(404, 'Pull-request not found')
error_output = flask.url_for(
'request_pull', repo=repo.name, requestid=requestid)
if username:
error_output = flask.url_for(
'fork_request_pull', repo=repo.name, requestid=requestid,
username=username)
# Get the fork
repopath = os.path.join(
APP.config['FORK_FOLDER'], request.repo_from.path)
fork_obj = pygit2.Repository(repopath)
# Get the original repo
parentpath = os.path.join(APP.config['GIT_FOLDER'], request.repo.path)
orig_repo = pygit2.Repository(parentpath)
if orig_repo.get(request.stop_id, None):
flask.flash('These chanages have already been merged.', 'error')
# Update status
progit.lib.close_pull_request(SESSION, request)
SESSION.commit()
return flask.redirect(error_output)
# Clone the original repo into a temp folder
newpath = tempfile.mkdtemp()
new_repo = pygit2.clone_repository(parentpath, newpath)
repo_commit = fork_obj[request.stop_id]
ori_remote = new_repo.remotes[0]
# Add the fork as remote repo
reponame = '%s_%s' % (request.user, repo.name)
remote = new_repo.create_remote(reponame, repopath)
# Fetch the commits
remote.fetch()
merge = new_repo.merge(repo_commit.oid)
master_ref = new_repo.lookup_reference('HEAD').resolve()
if merge.is_fastforward:
master_ref.target = merge.fastforward_oid
refname = '%s:%s' % (master_ref.name, master_ref.name)
ori_remote.push(refname)
flask.flash('Changes merged!')
else:
flask.flash(
'This merge is not fast-forward and cannot be applied via '
'progit', 'error')
flask.redirect(error_output)
# Update status
progit.lib.close_pull_request(SESSION, request)
SESSION.commit()
return flask.redirect(flask.url_for('view_repo', repo=repo.name))