c41c1a1c97
This halves the amount of code we have to take into account for dealing with the config. There is a slight change in the API. Config.get_multivar() returns an iterator instead of a list, which lets us reuse code from the general iterator and is closer to libgit2's API.
289 lines
8.7 KiB
Python
289 lines
8.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2010-2014 The pygit2 contributors
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License, version 2,
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# as published by the Free Software Foundation.
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#
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# In addition to the permissions in the GNU General Public License,
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# the authors give you unlimited permission to link the compiled
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# version of this file into combinations with other programs,
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# and to distribute those combinations without any restriction
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# coming from the use of this file. (The General Public License
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# restrictions do apply in other respects; for example, they cover
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# modification of the file, and distribution when not linked into
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# a combined executable.)
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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# Import from the Standard Library
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from string import hexdigits
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# Import from pygit2
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from _pygit2 import Repository as _Repository
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from _pygit2 import GIT_BRANCH_LOCAL, GIT_BRANCH_REMOTE
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from _pygit2 import Oid, GIT_OID_HEXSZ, GIT_OID_MINPREFIXLEN
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from _pygit2 import GIT_CHECKOUT_SAFE_CREATE, GIT_DIFF_NORMAL
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from _pygit2 import Reference, Tree, Commit, Blob
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from .ffi import ffi, C, to_str
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from .errors import check_error
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from .remote import Remote
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from .config import Config
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class Repository(_Repository):
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def __init__(self, *args, **kwargs):
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super(Repository, self).__init__(*args, **kwargs)
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# Get the pointer as the contents of a buffer and store it for
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# later access
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repo_cptr = ffi.new('git_repository **')
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ffi.buffer(repo_cptr)[:] = self._pointer[:]
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self._repo = repo_cptr[0]
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#
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# Mapping interface
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#
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def get(self, key, default=None):
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value = self.git_object_lookup_prefix(key)
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return value if (value is not None) else default
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def __getitem__(self, key):
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value = self.git_object_lookup_prefix(key)
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if value is None:
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raise KeyError(key)
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return value
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def __contains__(self, key):
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return self.git_object_lookup_prefix(key) is not None
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def __repr__(self):
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return "pygit2.Repository(%r)" % self.path
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#
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# Remotes
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#
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def create_remote(self, name, url):
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"""create_remote(name, url) -> Remote
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Creates a new remote.
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"""
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cremote = ffi.new('git_remote **')
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err = C.git_remote_create(cremote, self._repo, to_str(name), to_str(url))
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check_error(err)
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return Remote(self, cremote[0])
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@property
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def remotes(self):
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"""Returns all configured remotes"""
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names = ffi.new('git_strarray *')
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try:
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err = C.git_remote_list(names, self._repo)
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check_error(err)
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l = [None] * names.count
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cremote = ffi.new('git_remote **')
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for i in range(names.count):
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err = C.git_remote_load(cremote, self._repo, names.strings[i])
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check_error(err)
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l[i] = Remote(self, cremote[0])
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return l
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finally:
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C.git_strarray_free(names)
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#
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# Configuration
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#
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@property
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def config(self):
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"""The configuration file for this repository
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If a the configuration hasn't been set yet, the default config for
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repository will be returned, including global and system configurations
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(if they are available)."""
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cconfig = ffi.new('git_config **')
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err = C.git_repository_config(cconfig, self._repo)
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check_error(err)
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return Config.from_c(self, cconfig[0])
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#
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# References
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#
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def create_reference(self, name, target, force=False):
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"""
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Create a new reference "name" which points to an object or to another
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reference.
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Based on the type and value of the target parameter, this method tries
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to guess whether it is a direct or a symbolic reference.
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Keyword arguments:
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force
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If True references will be overridden, otherwise (the default) an
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exception is raised.
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Examples::
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repo.create_reference('refs/heads/foo', repo.head.hex)
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repo.create_reference('refs/tags/foo', 'refs/heads/master')
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repo.create_reference('refs/tags/foo', 'bbb78a9cec580')
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"""
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direct = (
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type(target) is Oid
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or (
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all(c in hexdigits for c in target)
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and GIT_OID_MINPREFIXLEN <= len(target) <= GIT_OID_HEXSZ))
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if direct:
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return self.create_reference_direct(name, target, force)
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return self.create_reference_symbolic(name, target, force)
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#
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# Checkout
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#
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def checkout(self, refname=None, strategy=GIT_CHECKOUT_SAFE_CREATE):
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"""
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Checkout the given reference using the given strategy, and update
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the HEAD.
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The reference may be a reference name or a Reference object.
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The default strategy is GIT_CHECKOUT_SAFE_CREATE.
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To checkout from the HEAD, just pass 'HEAD'::
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>>> checkout('HEAD')
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If no reference is given, checkout from the index.
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"""
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# Case 1: Checkout index
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if refname is None:
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return self.checkout_index(strategy)
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# Case 2: Checkout head
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if refname == 'HEAD':
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return self.checkout_head(strategy)
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# Case 3: Reference
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if type(refname) is Reference:
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reference = refname
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refname = refname.name
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else:
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reference = self.lookup_reference(refname)
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oid = reference.resolve().target
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treeish = self[oid]
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self.checkout_tree(treeish, strategy)
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self.head = refname
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#
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# Diff
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#
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def diff(self, a=None, b=None, cached=False, flags=GIT_DIFF_NORMAL,
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context_lines=3, interhunk_lines=0):
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"""
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Show changes between the working tree and the index or a tree,
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changes between the index and a tree, changes between two trees, or
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changes between two blobs.
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Keyword arguments:
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cached
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use staged changes instead of workdir
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flag
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a GIT_DIFF_* constant
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context_lines
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the number of unchanged lines that define the boundary
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of a hunk (and to display before and after)
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interhunk_lines
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the maximum number of unchanged lines between hunk
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boundaries before the hunks will be merged into a one
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Examples::
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# Changes in the working tree not yet staged for the next commit
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>>> diff()
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# Changes between the index and your last commit
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>>> diff(cached=True)
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# Changes in the working tree since your last commit
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>>> diff('HEAD')
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# Changes between commits
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>>> t0 = revparse_single('HEAD')
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>>> t1 = revparse_single('HEAD^')
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>>> diff(t0, t1)
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>>> diff('HEAD', 'HEAD^') # equivalent
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If you want to diff a tree against an empty tree, use the low level
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API (Tree.diff_to_tree()) directly.
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"""
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def treeish_to_tree(obj):
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try:
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obj = self.revparse_single(obj)
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except:
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pass
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if isinstance(obj, Commit):
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return obj.tree
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elif isinstance(obj, Reference):
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oid = obj.resolve().target
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return self[oid]
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a = treeish_to_tree(a) or a
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b = treeish_to_tree(b) or b
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opt_keys = ['flags', 'context_lines', 'interhunk_lines']
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opt_values = [flags, context_lines, interhunk_lines]
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# Case 1: Diff tree to tree
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if isinstance(a, Tree) and isinstance(b, Tree):
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return a.diff_to_tree(b, **dict(zip(opt_keys, opt_values)))
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# Case 2: Index to workdir
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elif a is None and b is None:
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return self.index.diff_to_workdir(*opt_values)
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# Case 3: Diff tree to index or workdir
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elif isinstance(a, Tree) and b is None:
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if cached:
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return a.diff_to_index(self.index, *opt_values)
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else:
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return a.diff_to_workdir(*opt_values)
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# Case 4: Diff blob to blob
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if isinstance(a, Blob) and isinstance(b, Blob):
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raise NotImplementedError('git_diff_blob_to_blob()')
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raise ValueError("Only blobs and treeish can be diffed")
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