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Diffstat (limited to 'ranger/ext/vcs/bzr.py')
| -rw-r--r-- | ranger/ext/vcs/bzr.py | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/ranger/ext/vcs/bzr.py b/ranger/ext/vcs/bzr.py new file mode 100644 index 00000000..a63eea54 --- /dev/null +++ b/ranger/ext/vcs/bzr.py @@ -0,0 +1,282 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +# +# vcs - a python module to handle various version control systems +# Copyright 2012 Abdó Roig-Maranges <abdo.roig@gmail.com> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU 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 General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import os +import re +import shutil +from datetime import datetime + +from .vcs import Vcs, VcsError + + +class Bzr(Vcs): + vcsname = 'bzr' + HEAD="last:1" + + # Auxiliar stuff + #--------------------------- + + def _bzr(self, path, args, silent=True, catchout=False, bytes=False): + return self._vcs(path, 'bzr', args, silent=silent, catchout=catchout, bytes=bytes) + + + def _has_head(self): + """Checks whether repo has head""" + rnum = self._bzr(self.path, ['revno'], catchout=True) + return rnum != '0' + + + def _sanitize_rev(self, rev): + if rev == None: return None + rev = rev.strip() + if len(rev) == 0: return None + + return rev + + + def _log(self, refspec=None, filelist=None): + """Gets a list of dicts containing revision info, for the revisions matching refspec""" + args = ['log', '-n0', '--show-ids'] + if refspec: args = args + ["-r", refspec] + + if filelist: args = args + filelist + + raw = self._bzr(self.path, args, catchout=True, silent=True) + L = re.findall('-+$(.*?)^-', raw + '\n---', re.MULTILINE | re.DOTALL) + + log = [] + for t in L: + t = t.strip() + if len(t) == 0: continue + + dt = {} + m = re.search('^revno:\s*([0-9]+)\s*$', t, re.MULTILINE) + if m: dt['short'] = m.group(1).strip() + m = re.search('^revision-id:\s*(.+)\s*$', t, re.MULTILINE) + if m: dt['revid'] = m.group(1).strip() + m = re.search('^committer:\s*(.+)\s*$', t, re.MULTILINE) + if m: dt['author'] = m.group(1).strip() + m = re.search('^timestamp:\s*(.+)\s*$', t, re.MULTILINE) + if m: dt['date'] = datetime.strptime(m.group(1).strip(), '%a %Y-%m-%d %H:%M:%S %z') + m = re.search('^message:\s*^(.+)$', t, re.MULTILINE) + if m: dt['summary'] = m.group(1).strip() + log.append(dt) + return log + + + def _hg_file_status(self, st): + st = st.strip() + if st in "AM": return 'staged' + elif st in "D": return 'deleted' + elif st in "?": return 'untracked' + else: return 'unknown' + + + + # Repo creation + #--------------------------- + + def init(self): + """Initializes a repo in current path""" + self._bzr(self.path, ['init']) + self.update() + + + def clone(self, src): + """Clones a repo from src""" + path = os.path.dirname(self.path) + name = os.path.basename(self.path) + try: + os.rmdir(self.path) + except OSError: + raise VcsError("Can't clone to %s. It is not an empty directory" % self.path) + + self._bzr(path, ['branch', src, name]) + self.update() + + + + # Action Interface + #--------------------------- + + def commit(self, message): + """Commits with a given message""" + self._bzr(self.path, ['commit', '-m', message]) + + + def add(self, filelist=None): + """Adds files to the index, preparing for commit""" + if filelist != None: self._bzr(self.path, ['add'] + filelist) + else: self._bzr(self.path, ['add']) + + + def reset(self, filelist=None): + """Removes files from the index""" + if filelist != None: self._bzr(self.path, ['remove', '--keep', '--new'] + filelist) + else: self._bzr(self.path, ['remove', '--keep', '--new']) + + + def pull(self): + """Pulls a git repo""" + self._bzr(self.path, ['pull']) + + + def push(self): + """Pushes a git repo""" + self._bzr(self.path, ['push']) + + + def checkout(self, rev): + """Checks out a branch or revision""" + self._bzr(self.path, ['update', '-r', rev]) + + + def extract_file(self, rev, name, dest): + """Extracts a file from a given revision and stores it in dest dir""" + if rev == self.INDEX: + shutil.copyfile(os.path.join(self.path, name), dest) + else: + out = self._bzr(self.path, ['cat', '--r', rev, name], catchout=True, bytes=True) + with open(dest, 'wb') as fd: fd.write(out) + + + + # Data Interface + #--------------------------- + + def get_status_allfiles(self): + """Returns a dict indexed by files not in sync their status as values. + Paths are given relative to the root.""" + raw = self._bzr(self.path, ['status', '--short', '--no-classify'], catchout=True, bytes=True) + L = re.findall('^(..)\s*(.*?)\s*$', raw.decode('utf-8'), re.MULTILINE) + ret = {} + for st, p in L: + sta = self._bzr_file_status(st) + ret[p.strip()] = sta + return ret + + + def get_ignore_allfiles(self): + """Returns a set of all the ignored files in the repo""" + raw = self._bzr(self.path, ['ls', '--ignored'], catchout=True) + return set(raw.split('\n')) + + + # TODO: slow due to net access + def get_remote_status(self): + """Checks the status of the repo regarding sync state with remote branch""" + if self.get_remote() == None: + return "none" + + ahead = behind = True + try: + self._bzr(self.path, ['missing', '--mine-only'], silent=True) + except: + ahead = False + + try: + self._bzr(self.path, ['missing', '--theirs-only'], silent=True) + except: + behind = False + + if ahead and behind: return "diverged" + elif ahead and not behind: return "ahead" + elif not ahead and behind: return "behind" + elif not ahead and not behind: return "sync" + + + def get_branch(self): + """Returns the current named branch, if this makes sense for the backend. None otherwise""" + branch = self._bzr(self.path, ['nick'], catchout=True) + return branch or None + + + def get_log(self, filelist=None, maxres=None): + """Get the entire log for the current HEAD""" + if not self._has_head(): return [] + return self._log(refspec=None, filelist=filelist) + + + def get_raw_log(self, filelist=None): + """Gets the raw log as a string""" + if not self._has_head(): return [] + args = ['log'] + if filelist: args = args + filelist + return self._bzr(self.path, args, catchout=True) + + + def get_raw_diff(self, refspec=None, filelist=None): + """Gets the raw diff as a string""" + args = ['diff', '--git'] + if refspec: args = args + [refspec] + if filelist: args = args + filelist + return self._bzr(self.path, args, catchout=True) + + + def get_remote(self): + """Returns the url for the remote repo attached to head""" + try: + remote = self._bzr(self.path, ['config', 'parent_location'], catchout=True) + except VcsError: + remote = "" + + return remote.strip() or None + + + def get_revision_id(self, rev=None): + """Get a canonical key for the revision rev""" + if rev == None: rev = self.HEAD + elif rev == self.INDEX: return None + rev = self._sanitize_rev(rev) + try: + L = self._log(refspec=rev) + except VcsError: + L = [] + if len(L) == 0: return None + else: return L[0]['revid'] + + + def get_info(self, rev=None): + """Gets info about the given revision rev""" + if rev == None: rev = self.HEAD + rev = self._sanitize_rev(rev) + if rev == self.HEAD and not self._has_head(): return [] + + L = self._log(refspec=rev) + if len(L) == 0: + raise VcsError("Revision %s does not exist" % rev) + elif len(L) > 1: + raise VcsError("More than one instance of revision %s ?!?" % rev) + else: + return L[0] + + + def get_files(self, rev=None): + """Gets a list of files in revision rev""" + if rev == None: rev = self.HEAD + rev = self._sanitize_rev(rev) + + if rev: + if rev == self.INDEX: raw = self._bzr(self.path, ["ls"], catchout=True) + else: raw = self._bzr(self.path, ['ls', '--R', '-V', '-r', rev], catchout=True) + return raw.split('\n') + else: + return [] + +# vim: expandtab:shiftwidth=4:tabstop=4:softtabstop=4:textwidth=80 |