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Uhh broken stuff????

broken
SoniEx2 1 year ago
parent
commit
4bd53221bb
1 changed files with 260 additions and 86 deletions
  1. +260
    -86
      ganarchy.py

+ 260
- 86
ganarchy.py View File

@@ -23,9 +23,106 @@ import subprocess
import hashlib
import hmac
import jinja2
import re

# default HTML, can be overridden in $XDG_DATA_HOME/ganarchy/template.html or the $XDG_DATA_DIRS (TODO)
TEMPLATE = """<!DOCTYPE html>
MIGRATIONS = {
"gen-index": (
(
"""ALTER TABLE "config" ADD COLUMN "title" TEXT"""),
(),
"supports generating an index page"
),
"better-project-management": (
(
"""ALTER TABLE "repos" ADD COLUMN "branch" TEXT""",
"""ALTER TABLE "repos" ADD COLUMN "project" TEXT""",
"""CREATE UNIQUE INDEX "repos_url_branch_project" ON "repos" ("url", "branch", "project")""",
"""CREATE INDEX "repos_project" ON "repos" ("project")""",
"""ALTER TABLE "repo_history" ADD COLUMN "branch" TEXT""",
"""ALTER TABLE "repo_history" ADD COLUMN "project" TEXT""",
"""CREATE INDEX "repo_history_url_branch_project" ON "repo_history" ("url", "branch", "project")"""),
(
"""DELETE FROM "repos" WHERE "branch" IS NOT NULL OR "project" IS NOT NULL""",
"""DELETE FROM "repo_history" WHERE "branch" IS NOT NULL OR "project" IS NOT NULL"""),
"supports multiple projects, and allows choosing non-default branches"
),
"test": (
("""-- apply""",),
("""-- revert""",),
"does nothing"
)
}

data_home = os.environ.get('XDG_DATA_HOME', '')
if not data_home:
data_home = os.environ['HOME'] + '/.local/share'
data_home = data_home + "/ganarchy"

cache_home = os.environ.get('XDG_CACHE_HOME', '')
if not cache_home:
cache_home = os.environ['HOME'] + '/.cache'
cache_home = cache_home + "/ganarchy"

config_home = os.environ.get('XDG_CONFIG_HOME', '')
if not config_home:
config_home = os.environ['HOME'] + '/.config'
config_home = config_home + "/ganarchy"

config_dirs = os.environ.get('XDG_CONFIG_DIRS', '')
if not config_dirs:
config_dirs = '/etc/xdg'
# TODO check if this is correct
config_dirs = [config_dir + "/ganarchy" for config_dir in config_dirs.split(':')]

def get_template_loader():
from jinja2 import DictLoader, FileSystemLoader, ChoiceLoader
return ChoiceLoader([
FileSystemLoader([config_home + "/templates"] + [config_dir + "/templates" for config_dir in config_dirs]),
DictLoader({
## index.html
'index.html': """<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<!--
GAnarchy - project homepage generator
Copyright (C) 2019 Soni L.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-->
<title>{{ ganarchy.title|e }}</title>
<meta name="description" content="{{ ganarchy.title|e }}" />
<!--if your browser doesn't like the following, use a different browser.-->
<script type="application/javascript" src="/index.js"></script>
</head>
<body>
<h1>{{ ganarchy.title|e }}</h1>
<p>This is {{ ganarchy.title|e }}. Currently tracking the following projects:</p>
<ul>
{% for project in ganarchy.projects -%}
<li><a href="/project/{{ project.commit|e }}">{{ project.title|e }}</a>: {{ project.description|e }}</li>
{% endfor -%}
</ul>
<p>Powered by <a href="https://ganarchy.autistic.space/">GAnarchy</a>. AGPLv3-licensed. <a href="https://cybre.tech/SoniEx2/ganarchy">Source Code</a>.</p>
<p>
<a href="{{ ganarchy.base_url|e }}" onclick="event.preventDefault(); navigator.registerProtocolHandler('web+ganarchy', this.href + '?url=%s', 'GAnarchy');">Register web+ganarchy: URI handler</a>.
</p>
</body>
</html>
""",
## project.html FIXME
'project.html': """<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
@@ -57,7 +154,7 @@ TEMPLATE = """<!DOCTYPE html>
<ul>
{% for url, msg, img, branch in repos -%}
<li><a href="{{ url|e }}">{{ url|e }}</a>{% if branch %} <span class="branchname">[{{ branch|e }}]</span>{% endif %}: {{ msg|e }}</li>
{%- endfor %}
{% endfor -%}
</ul>
<p>Powered by <a href="https://ganarchy.autistic.space/">GAnarchy</a>. AGPLv3-licensed. <a href="https://cybre.tech/SoniEx2/ganarchy">Source Code</a>.</p>
<p>
@@ -66,45 +163,12 @@ TEMPLATE = """<!DOCTYPE html>
</p>
</body>
</html>
"""
""",
## history.svg FIXME
'history.svg': """""",
})
])

MIGRATIONS = {
"better-project-management": (
(
"""ALTER TABLE "repos" ADD COLUMN "branch" TEXT""",
"""ALTER TABLE "repos" ADD COLUMN "project" TEXT""",
"""CREATE UNIQUE INDEX "repos_url_branch_project" ON "repos" ("url", "branch", "project")""",
"""CREATE INDEX "repos_project" ON "repos" ("project")""",
"""ALTER TABLE "repo_history" ADD COLUMN "branch" TEXT""",
"""ALTER TABLE "repo_history" ADD COLUMN "project" TEXT""",
"""CREATE INDEX "repo_history_url_branch_project" ON "repo_history" ("url", "branch", "project")"""),
(
"""DELETE FROM "repos" WHERE "branch" IS NOT NULL OR "project" IS NOT NULL""",
"""DELETE FROM "repo_history" WHERE "branch" IS NOT NULL OR "project" IS NOT NULL"""),
"supports multiple projects, and allows choosing non-default branches"
),
"test": (
("""-- apply""",),
("""-- revert""",),
"does nothing"
)
}

try:
data_home = os.environ['XDG_DATA_HOME']
except KeyError:
data_home = ''
if not data_home:
data_home = os.environ['HOME'] + '/.local/share'
data_home = data_home + "/ganarchy"

try:
cache_home = os.environ['XDG_CACHE_HOME']
except KeyError:
cache_home = ''
if not cache_home:
cache_home = os.environ['HOME'] + '/.cache'
cache_home = cache_home + "/ganarchy"

@click.group()
def ganarchy():
@@ -122,8 +186,8 @@ def initdb():
c.execute('''CREATE INDEX "repos_active" ON "repos" ("active")''')
c.execute('''CREATE TABLE "repo_history" ("entry" INTEGER PRIMARY KEY ASC AUTOINCREMENT, "url" TEXT, "count" INTEGER, "head_commit" TEXT, "branch" TEXT, "project" TEXT)''')
c.execute('''CREATE INDEX "repo_history_url_branch_project" ON "repo_history" ("url", "branch", "project")''')
c.execute('''CREATE TABLE "config" ("git_commit" TEXT, "base_url" TEXT)''')
c.execute('''INSERT INTO "config" VALUES ('', '')''')
c.execute('''CREATE TABLE "config" ("git_commit" TEXT, "base_url" TEXT, "title" TEXT)''')
c.execute('''INSERT INTO "config" VALUES ('', '', '')''')
conn.commit()
conn.close()

@@ -131,7 +195,6 @@ def initdb():
@click.argument('commit')
def set_commit(commit):
"""Sets the commit that represents the project."""
import re
if not re.fullmatch("[a-fA-F0-9]{40}", commit):
raise click.BadArgumentUsage("COMMIT must be a git commit hash")
conn = sqlite3.connect(data_home + "/ganarchy.db")
@@ -143,13 +206,23 @@ def set_commit(commit):
@ganarchy.command()
@click.argument('base-url')
def set_base_url(base_url):
"""Sets the GAnarchy instance's base URL."""
"""Sets the GAnarchy instance's base URL. Used for the URI handler."""
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''UPDATE "config" SET "base_url"=?''', (base_url,))
conn.commit()
conn.close()

@ganarchy.command()
@click.argument('title')
def set_title(title):
"""Sets the GAnarchy instance's title. This title is displayed on the index."""
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''UPDATE "config" SET "title"=?''', (title,))
conn.commit()
conn.close()

# TODO move --branch into here?
@ganarchy.group()
def repo():
@@ -265,28 +338,51 @@ def migrations():

migrations()

@ganarchy.command()
@click.argument('project', required=False)
def cron_target(project):
"""Runs ganarchy as a cron target."""
def handle_target(url, branch, project_commit):
class GitError(LookupError):
"""Raised when a git operation fails, generally due to a missing commit or branch, or network connection issues."""
pass

class Repo:
def __init__(self, dbconn, project, url, branch, list_metadata=False):
self.url = url
self.branch = branch
self.project_commit = project.commit

if not branch:
branchname = "gan" + hashlib.sha256(url.encode("utf-8")).hexdigest()
branch = "HEAD"
self.branchname = "gan" + hashlib.sha256(url.encode("utf-8")).hexdigest()
self.head = "HEAD"
else:
branchname = "gan" + hmac.new(branch.encode("utf-8"), url.encode("utf-8"), "sha256").hexdigest()
branch = "refs/heads/" + branch
self.branchname = "gan" + hmac.new(branch.encode("utf-8"), url.encode("utf-8"), "sha256").hexdigest()
self.head = "refs/heads/" + branch

try:
pre_hash = subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip()
self.hash = subprocess.check_output(["git", "-C", cache_home, "show", self.branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip()
except subprocess.CalledProcessError:
pre_hash = None
self.hash = None

self.message = None
if list_metadata:
try:
self.fetch_metadata()
except GitError:
pass

def fetch_metadata(self):
try:
self.message = subprocess.check_output(["git", "-C", cache_home, "show", self.branchname, "-s", "--format=%B", "--"], stderr=subprocess.DEVNULL).decode("utf-8", "replace")
except subprocess.CalledProcessError as e:
raise GitError from e

def update(self): # FIXME?
try:
subprocess.check_output(["git", "-C", cache_home, "fetch", "-q", url, "+" + branch + ":" + branchname], stderr=subprocess.STDOUT)
subprocess.check_output(["git", "-C", cache_home, "fetch", "-q", self.url, "+" + self.head + ":" + self.branchname], stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
# This may error for various reasons, but some are important: dead links, etc
click.echo(e.output, err=True)
return None
post_hash = subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip()
pre_hash = self.hash
post_hash = subprocess.check_output(["git", "-C", cache_home, "show", self.branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip()
self.hash = post_hash
if not pre_hash:
pre_hash = post_hash
try:
@@ -294,16 +390,99 @@ def cron_target(project):
except subprocess.CalledProcessError:
count = 0 # force-pushed
try:
subprocess.check_call(["git", "-C", cache_home, "merge-base", "--is-ancestor", project_commit, branchname], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
return count, post_hash, subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%B", "--"], stderr=subprocess.DEVNULL).decode("utf-8", "replace")
except subprocess.CalledProcessError:
subprocess.check_call(["git", "-C", cache_home, "merge-base", "--is-ancestor", self.project_commit, self.branchname], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
self.fetch_metadata()
return count, post_hash, self.message
except (subprocess.CalledProcessError, GitError) as e:
click.echo(e, err=True)
return None

class Project:
def __init__(self, dbconn, ganarchy, project_commit, list_repos=False):
self.commit = project_commit
if ganarchy.project_commit == project_commit:
project_commit = None
self.refresh_metadata()
if list_repos:
repos = []
with dbconn:
for (e, url, branch) in dbconn.execute('''SELECT "max"("e"), "url", "branch" FROM (SELECT "max"("T1"."entry") "e", "T1"."url", "T1"."branch" FROM "repo_history" "T1"
WHERE (SELECT "active" FROM "repos" "T2" WHERE "url" = "T1"."url" AND "branch" IS "T1"."branch" AND "project" IS ?1)
GROUP BY "T1"."url", "T1"."branch"
UNION
SELECT null, "T3"."url", "T3"."branch" FROM "repos" "T3" WHERE "active" AND "project" IS ?1)
GROUP BY "url" ORDER BY "e"''', (project_commit,)):
repos.append(Repo(dbconn, self, url, branch))
self.repos = repos
else:
self.repos = None

def refresh_metadata(self):
try:
project = subprocess.check_output(["git", "-C", cache_home, "show", self.commit, "-s", "--format=%B", "--"], stderr=subprocess.DEVNULL).decode("utf-8", "replace")
project_title, project_desc = (lambda x: x.groups() if x is not None else ('', None))(re.fullmatch('^\\[Project\\]\s+(.+?)(?:\n\n(.+))?$', project, flags=re.ASCII|re.DOTALL|re.IGNORECASE))
if not project_title.strip():
project_title, project_desc = ("Error parsing project commit",)*2
if project_desc:
project_desc = project_desc.strip()
self.commit_body = project
self.title = project_title
self.description = project_desc
except subprocess.CalledProcessError:
self.commit_body = None
self.title = None
self.description = None

def update(self):
# TODO
self.refresh_metadata()

class GAnarchy:
def __init__(self, dbconn, list_projects=False):
with dbconn:
# TODO
#(project_commit, base_url, title) = dbconn.execute('''SELECT "git_commit", "base_url", "title" FROM "config"''').fetchone()
(project_commit, base_url) = dbconn.execute('''SELECT "git_commit", "base_url" FROM "config"''').fetchone()
title = None
self.project_commit = project_commit
self.base_url = base_url
if not base_url:
pass ## TODO
if not title:
from urllib.parse import urlparse
title = "GAnarchy on " + urlparse(base_url).hostname
self.title = title
if list_projects:
projects = []
with dbconn:
for (project,) in dbconn.execute('''SELECT DISTINCT "project" FROM "repos" '''): # FIXME? *maybe* sort by activity in the future
if project == None:
project = self.project_commit
projects.append(Project(dbconn, ganarchy, project))
projects.sort(key=lambda project: project.title)
self.projects = projects
else:
self.projects = None


@ganarchy.command()
@click.argument('project', required=False)
def cron_target(project):
"""Runs ganarchy as a cron target."""
# make sure the cache dir exists
os.makedirs(cache_home, exist_ok=True)
# make sure it is a git repo
subprocess.call(["git", "-C", cache_home, "init", "-q"])
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''SELECT "git_commit", "base_url" FROM "config"''')
(project_commit, base_url) = c.fetchone()
instance = GAnarchy(conn, list_projects=project=="index")
env = jinja2.Environment(loader=get_template_loader(), autoescape=False)
if project == "index":
# render the index
template = env.get_template('index.html')
click.echo(template.render(ganarchy = instance))
return
project_commit = instance.project_commit
base_url = instance.base_url
if not base_url or not (project or project_commit):
click.echo("No base URL or project commit specified", err=True)
return
@@ -313,17 +492,16 @@ def cron_target(project):
project_commit = project
entries = []
generate_html = []
for (e, url, branch) in c.execute('''SELECT "max"("e"), "url", "branch" FROM (SELECT "max"("T1"."entry") "e", "T1"."url", "T1"."branch" FROM "repo_history" "T1"
WHERE (SELECT "active" FROM "repos" "T2" WHERE "url" = "T1"."url" AND "branch" IS "T1"."branch" AND "project" IS ?1)
GROUP BY "T1"."url", "T1"."branch"
UNION
SELECT null, "T3"."url", "T3"."branch" FROM "repos" "T3" WHERE "active" AND "project" IS ?1)
GROUP BY "url" ORDER BY "e"''', (project,)):
result = handle_target(url, branch, project_commit)
c = conn.cursor()
p = Project(conn, instance, project_commit, list_repos=True)
# FIXME: this should be moved into Project.update()
for repo in p.repos:
result = repo.update()
if result is not None:
count, post_hash, msg = result
entries.append((url, count, post_hash, branch, project))
generate_html.append((url, msg, count, branch))
entries.append((repo.url, count, post_hash, repo.branch, project))
generate_html.append((repo.url, msg, count, repo.branch))
p.refresh_metadata()
# sort stuff twice because reasons
entries.sort(key=lambda x: x[1], reverse=True)
generate_html.sort(key=lambda x: x[2], reverse=True)
@@ -334,20 +512,16 @@ def cron_target(project):
history = c.execute('''SELECT "count" FROM "repo_history" WHERE "url" = ? AND "branch" IS ? AND "project" IS ? ORDER BY "entry" ASC''', (url, branch, project)).fetchall()
# TODO process history into SVG
html_entries.append((url, msg, "", branch))
template = jinja2.Template(TEMPLATE)
import re
project = subprocess.check_output(["git", "-C", cache_home, "show", project_commit, "-s", "--format=%B", "--"], stderr=subprocess.DEVNULL).decode("utf-8", "replace")
project_title, project_desc = (lambda x: x.groups() if x is not None else ('', None))(re.fullmatch('^\\[Project\\]\s+(.+?)(?:\n\n(.+))?$', project, flags=re.ASCII|re.DOTALL|re.IGNORECASE))
if not project_title.strip():
project_title, project_desc = ("Error parsing project commit",)*2
if project_desc:
project_desc = project_desc.strip()
click.echo(template.render(project_title = project_title,
project_desc = project_desc,
project_body = project,
project_commit = project_commit,
template = env.get_template('project.html')
click.echo(template.render(project_title = p.title,
project_desc = p.description,
project_body = p.commit_body,
project_commit = p.commit,
repos = html_entries,
base_url = base_url))
base_url = base_url,
# I don't think this thing supports deprecating the above?
project = p,
ganarchy = instance))

if __name__ == "__main__":
ganarchy()

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