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authorSoniEx2 <endermoneymod@gmail.com>2019-04-16 22:58:00 -0300
committerSoniEx2 <endermoneymod@gmail.com>2019-04-16 22:58:00 -0300
commit385e734a52e13949a7a5c71827f6de920dbfea43 (patch)
tree2539dd490584b4783819f9d5a4022fab2893ccba /ganarchy.py
[Project] GAnarchy
A Project Page Generator written in Python, focused on giving forks of a
project the same visibility as the original repo.
Diffstat (limited to 'ganarchy.py')
-rwxr-xr-xganarchy.py216
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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" />
+<!--
+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>{{ project_title }}</title>
+</head>
+<body>
+<ul>
+{% for url, msg, img in repos %}
+    <li><a href="{{ url|e }}">{{ url|e }}</a>: {{ msg|e }}</li>
+{% endfor %}
+</ul>
+Powered by <a href="https://ganarchy.autistic.space/">GAnarchy</a>. AGPLv3-licensed. <a href="https://cybre.tech/SoniEx2/ganarchy">Source Code</a>.
+</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 TABLE repo_history (entry INTEGER PRIMARY KEY ASC AUTOINCREMENT, url TEXT, count INTEGER, head_commit TEXT)''')
+    c.execute('''CREATE TABLE config (git_commit TEXT, project_title 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('project-title')
+def set_project_title(project_title):
+    """Sets the project title"""
+    import re
+    conn = sqlite3.connect(data_home + "/ganarchy.db")
+    c = conn.cursor()
+    c.execute('''UPDATE config SET project_title=?''', (project_title,))
+    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 = 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)
+        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)
+        if not pre_hash:
+            pre_hash = post_hash
+        try:
+            count = subprocess.check_output(["git", "-C", cache_home, "rev-list", "--count", pre_hash + ".." + post_hash])
+        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)
+        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, project_title FROM config''')
+    (project_commit, project_title) = c.fetchone()
+    entries = []
+    generate_html = []
+    for (url,) in c.execute("""SELECT url FROM repos WHERE active == 1"""):
+        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))
+    c.executemany('''INSERT INTO repo_history VALUES (NULL, ?, ?, ?)''', entries)
+    conn.commit()
+    html_entries = []
+    for (url, msg) 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)
+    click.echo(template.render(project_title = project_title, repos = html_entries))
+
+if __name__ == "__main__":
+    ganarchy()
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-12 10:16:21 +0000