cpython/Doc/tools/cvsinfo.py

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"""Utility class and function to get information about the CVS repository
based on checked-out files.
"""
import os
def get_repository_list(paths):
d = {}
for name in paths:
if os.path.isfile(name):
dir = os.path.dirname(name)
else:
dir = name
rootfile = os.path.join(name, "CVS", "Root")
root = open(rootfile).readline().strip()
if not d.has_key(root):
d[root] = RepositoryInfo(dir), [name]
else:
d[root][1].append(name)
return d.values()
class RepositoryInfo:
"""Record holding information about the repository we want to talk to."""
cvsroot_path = None
branch = None
# type is '', ':ext', or ':pserver:'
type = ""
def __init__(self, dir=None):
if dir is None:
dir = os.getcwd()
dir = os.path.join(dir, "CVS")
root = open(os.path.join(dir, "Root")).readline().strip()
if root.startswith(":pserver:"):
self.type = ":pserver:"
root = root[len(":pserver:"):]
elif ":" in root:
if root.startswith(":ext:"):
root = root[len(":ext:"):]
self.type = ":ext:"
self.repository = root
if ":" in root:
host, path = root.split(":", 1)
self.cvsroot_path = path
else:
self.cvsroot_path = root
fn = os.path.join(dir, "Tag")
if os.path.isfile(fn):
self.branch = open(fn).readline().strip()[1:]
def get_cvsroot(self):
return self.type + self.repository
_repository_dir_cache = {}
def get_repository_file(self, path):
filename = os.path.abspath(path)
if os.path.isdir(path):
dir = path
join = 0
else:
dir = os.path.dirname(path)
join = 1
try:
repodir = self._repository_dir_cache[dir]
except KeyError:
repofn = os.path.join(dir, "CVS", "Repository")
repodir = open(repofn).readline().strip()
repodir = os.path.join(self.cvsroot_path, repodir)
self._repository_dir_cache[dir] = repodir
if join:
fn = os.path.join(repodir, os.path.basename(path))
else:
fn = repodir
return fn[len(self.cvsroot_path)+1:]
def __repr__(self):
return "<RepositoryInfo for %r>" % self.get_cvsroot()