torxchat.git - Unnamed repository; edit this file 'description' to name the repository.

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#!/usr/bin/python3 # 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/>. import sqlite3 import click import os import subprocess import hashlib import jinja2 # default HTML, can be overridden in $XDG_DATA_HOME/ganarchy/template.html or the $XDG_DATA_DIRS (TODO) TEMPLATE = """<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" />  <title>{{ project_title|e }}</title> {% if project_desc %}<meta name="description" content="{{ project_desc|e }}" />{% endif %} </head> <body> <h1>{{ project_title|e }}</h1> <p>Tracking <span id="project_commit"><a href="web+ganarchy:{{ project_commit }}">{{ project_commit }}</a></span></p> <div id="project_body"><p>{{ project_body|e|replace("\n\n", "</p><p>") }}</p></div> <ul> {% for url, msg, img in repos -%} <li><a href="{{ url|e }}">{{ url|e }}</a>: {{ msg|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="/">Main page</a>.   </p> </body> </html> """ 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(): pass @ganarchy.command() def initdb(): """Initializes the ganarchy database""" os.makedirs(data_home, exist_ok=True) conn = sqlite3.connect(data_home + "/ganarchy.db") c = conn.cursor() c.execute('''CREATE TABLE repos (url TEXT PRIMARY KEY, active INT)''') c.execute('''CREATE INDEX active_key ON repos (active)''') c.execute('''CREATE TABLE repo_history (entry INTEGER PRIMARY KEY ASC AUTOINCREMENT, url TEXT, count INTEGER, head_commit TEXT)''') c.execute('''CREATE INDEX url_key ON repo_history (url)''') c.execute('''CREATE TABLE config (git_commit TEXT, base_url TEXT)''') c.execute('''INSERT INTO config VALUES ('', '')''') conn.commit() conn.close() @ganarchy.command() @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") c = conn.cursor() c.execute('''UPDATE config SET git_commit=?''', (commit,)) conn.commit() conn.close() @ganarchy.command() @click.argument('base-url') def set_base_url(base_url): """Sets the GAnarchy instance's base URL""" conn = sqlite3.connect(data_home + "/ganarchy.db") c = conn.cursor() c.execute('''UPDATE config SET base_url=?''', (base_url,)) conn.commit() conn.close() @ganarchy.group() def repo(): """Modifies repos to track""" @repo.command() @click.argument('url') def add(url): """Adds a repo to track""" conn = sqlite3.connect(data_home + "/ganarchy.db") c = conn.cursor() c.execute('''INSERT INTO repos VALUES (?, 0)''', (url,)) conn.commit() conn.close() @repo.command() @click.argument('url') def enable(url): """Enables tracking of a repo""" conn = sqlite3.connect(data_home + "/ganarchy.db") c = conn.cursor() c.execute('''UPDATE repos SET active=1 WHERE url=?''', (url,)) conn.commit() conn.close() @repo.command() @click.argument('url') def disable(url): """Disables tracking of a repo""" conn = sqlite3.connect(data_home + "/ganarchy.db") c = conn.cursor() c.execute('''UPDATE repos SET active=0 WHERE url=?''', (url,)) conn.commit() conn.close() @repo.command() @click.argument('url') def remove(url): """Stops tracking a repo""" click.confirm("WARNING: This operation does not delete the commits associated with the given repo! Are you sure you want to continue? This operation cannot be undone.") conn = sqlite3.connect(data_home + "/ganarchy.db") c = conn.cursor() c.execute('''DELETE FROM repos WHERE url=?''', (url,)) c.execute('''DELETE FROM repo_history WHERE url=?''', (url,)) conn.commit() conn.close() @ganarchy.command() def cron_target(): """Runs ganarchy as a cron target""" def handle_target(url, project_commit): branchname = "gan" + hashlib.sha256(url.encode("utf-8")).hexdigest() try: pre_hash = subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip() except subprocess.CalledProcessError: pre_hash = None try: subprocess.check_output(["git", "-C", cache_home, "fetch", "-q", url, "+HEAD:" + 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() if not pre_hash: pre_hash = post_hash try: count = int(subprocess.check_output(["git", "-C", cache_home, "rev-list", "--count", pre_hash + ".." + post_hash, "--"]).decode("utf-8").strip()) 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: return None os.makedirs(cache_home, exist_ok=True) 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() if not base_url or not project_commit: click.echo("No base URL or project commit specified", err=True) return entries = [] generate_html = [] for (e, url,) in c.execute("""SELECT max(e), url FROM (SELECT max(T1.entry) e, T1.url FROM repo_history T1 WHERE (SELECT active FROM repos T2 WHERE url = T1.url) GROUP BY T1.url UNION SELECT null, T3.url FROM repos T3 WHERE active) GROUP BY url ORDER BY e"""): result = handle_target(url, project_commit) if result is not None: count, post_hash, msg = result entries.append((url, count, post_hash)) generate_html.append((url, msg, count)) # sort stuff twice because reasons entries.sort(key=lambda x: x[1], reverse=True) generate_html.sort(key=lambda x: x[2], reverse=True) c.executemany('''INSERT INTO repo_history VALUES (NULL, ?, ?, ?)''', entries) conn.commit() html_entries = [] for (url, msg, count) in generate_html: history = c.execute('''SELECT count FROM repo_history WHERE url == ? ORDER BY entry ASC''', (url,)).fetchall() # TODO process history into SVG html_entries.append((url, msg, "")) 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, repos = html_entries, base_url = base_url)) if __name__ == "__main__": ganarchy()


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