def is_hardlink(path):
path = fspath(path)
if System.is_unix():
return os.stat(path).st_nlink > 1
info = System._getdirinfo(path)
return info.nNumberOfLinks > 1
def test_non_cached_output(tmp_dir, erepo_dir, monkeypatch):
src = "non_cached_file"
dst = src + "_imported"
with monkeypatch.context() as m:
m.chdir(fspath(erepo_dir))
erepo_dir.dvc.run(
outs_no_cache=[src], cmd="echo hello > non_cached_file"
)
erepo_dir.scm.add([src, src + ".dvc"])
erepo_dir.scm.commit("add non-cached output")
Repo.get(fspath(erepo_dir), src, dst)
assert (tmp_dir / dst).is_file()
# NOTE: using strip() to account for `echo` differences on win and *nix
assert (tmp_dir / dst).read_text().strip() == "hello"
def test_import_rev(tmp_dir, scm, dvc, erepo_dir):
with erepo_dir.chdir(), erepo_dir.branch("branch", new=True):
erepo_dir.dvc_gen("foo", "foo content", commit="create foo on branch")
dvc.imp(fspath(erepo_dir), "foo", "foo_imported", rev="branch")
assert (tmp_dir / "foo_imported").read_text() == "foo content"
assert scm.repo.git.check_ignore("foo_imported")
def test_get_repo_file(tmp_dir, erepo_dir):
with erepo_dir.chdir():
erepo_dir.dvc_gen("file", "contents", commit="create file")
Repo.get(fspath(erepo_dir), "file", "file_imported")
assert os.path.isfile("file_imported")
assert (tmp_dir / "file_imported").read_text() == "contents"
def test_import_git_file(erepo_dir, tmp_dir, dvc, scm, src_is_dvc):
if not src_is_dvc:
erepo_dir.dvc.scm.repo.index.remove([".dvc"], r=True)
erepo_dir.dvc.scm.commit("remove .dvc")
src = "some_file"
dst = "some_file_imported"
erepo_dir.scm_gen({src: "hello"}, commit="add a regular file")
tmp_dir.dvc.imp(fspath(erepo_dir), src, dst)
assert (tmp_dir / dst).is_file()
assert filecmp.cmp(fspath(erepo_dir / src),
fspath(tmp_dir / dst),
shallow=False)
assert tmp_dir.scm.repo.git.check_ignore(fspath(tmp_dir / dst))
def test_should_remove_outs_before_import(tmp_dir, dvc, mocker, erepo_dir):
erepo_dir.gen({"foo": "foo"})
remove_outs_call_counter = mocker.spy(Stage, "remove_outs")
ret = main(["import-url", fspath(erepo_dir / "foo")])
assert ret == 0
assert remove_outs_call_counter.mock.call_count == 1
def local_remote(request, tmp_dir, dvc, make_tmp_dir):
path = make_tmp_dir("local-remote")
with dvc.config.edit() as conf:
conf["remote"]["upstream"] = {"url": fspath(path)}
conf["core"]["remote"] = "upstream"
if "scm" in request.fixturenames:
tmp_dir.scm_add([dvc.config.files["repo"]], commit="add remote")
return path
def test_pull_non_workspace(tmp_dir, scm, dvc, erepo_dir):
with erepo_dir.chdir():
erepo_dir.dvc_gen("foo", "master content", commit="create foo")
with erepo_dir.branch("branch", new=True):
erepo_dir.dvc_gen("foo", "branch content", commit="modify foo")
stage = dvc.imp(fspath(erepo_dir), "foo", "foo_imported", rev="branch")
tmp_dir.scm_add([stage.relpath], commit="imported branch")
scm.tag("ref-to-branch")
# Overwrite via import
dvc.imp(fspath(erepo_dir), "foo", "foo_imported", rev="master")
os.remove(stage.outs[0].cache_path)
dvc.fetch(all_tags=True)
assert os.path.exists(stage.outs[0].cache_path)
def test_update_import(tmp_dir, dvc, erepo_dir, cached):
gen = erepo_dir.dvc_gen if cached else erepo_dir.scm_gen
with erepo_dir.branch("branch", new=True), erepo_dir.chdir():
gen("version", "branch", "add version file")
old_rev = erepo_dir.scm.get_rev()
stage = dvc.imp(fspath(erepo_dir), "version", "version", rev="branch")
imported = tmp_dir / "version"
assert imported.is_file()
assert imported.read_text() == "branch"
assert stage.deps[0].def_repo == {
"url": fspath(erepo_dir),
"rev": "branch",
"rev_lock": old_rev,
}
with erepo_dir.branch("branch", new=False), erepo_dir.chdir():
gen("version", "updated", "update version content")
new_rev = erepo_dir.scm.get_rev()
assert old_rev != new_rev
# Caching in external repos doesn't see upstream updates within single
# cli call, so we need to clean the caches to see the changes.
clean_repos()
status, = dvc.status([stage.path])["version.dvc"]
changed_dep, = list(status["changed deps"].items())
assert changed_dep[0].startswith("version ")
assert changed_dep[1] == "update available"
dvc.update(stage.path)
assert dvc.status([stage.path]) == {}
assert imported.is_file()
assert imported.read_text() == "updated"
stage = Stage.load(dvc, stage.path)
assert stage.deps[0].def_repo == {
"url": fspath(erepo_dir),
"rev": "branch",
"rev_lock": new_rev,
}
def dvc(tmp_dir, request):
from dvc.repo import Repo
if "scm" in request.fixturenames:
if not hasattr(tmp_dir, "scm"):
_git_init()
dvc = Repo.init(fspath(tmp_dir))
dvc.scm.commit("init dvc")
else:
dvc = Repo.init(fspath(tmp_dir), no_scm=True)
try:
tmp_dir.dvc = dvc
yield dvc
finally:
dvc.close()
def test_get_url_requires_dvc(tmp_dir, scm):
tmp_dir.scm_gen({"foo": "foo"}, commit="initial")
with pytest.raises(UrlNotDvcRepoError, match="not a DVC repository"):
api.get_url("foo", repo=fspath(tmp_dir))
with pytest.raises(UrlNotDvcRepoError):
api.get_url("foo", repo="file://{}".format(tmp_dir))
def test_get_url_positive(tmp_dir, erepo_dir, caplog):
with erepo_dir.chdir():
erepo_dir.dvc_gen("foo", "foo")
caplog.clear()
with caplog.at_level(logging.ERROR, logger="dvc"):
assert main(["get", fspath(erepo_dir), "foo", "--show-url"]) == 0
assert caplog.text == ""
def test_cache_type_is_properly_overridden(tmp_dir, erepo_dir, monkeypatch):
with monkeypatch.context() as m:
m.chdir(fspath(erepo_dir))
erepo_dir.dvc.config.set(
Config.SECTION_CACHE, Config.SECTION_CACHE_TYPE, "symlink"
)
erepo_dir.dvc.cache = Cache(erepo_dir.dvc)
erepo_dir.scm_add(
[erepo_dir.dvc.config.config_file], "set cache type to symlinks"
)
erepo_dir.dvc_gen("file", "contents", "create file")
assert System.is_symlink(erepo_dir / "file")
Repo.get(fspath(erepo_dir), "file", "file_imported")
assert not System.is_symlink("file_imported")
assert (tmp_dir / "file_imported").read_text() == "contents"
def test_update_import_after_remote_updates_to_dvc(tmp_dir, dvc, erepo_dir):
old_rev = None
with erepo_dir.branch("branch", new=True), erepo_dir.chdir():
erepo_dir.scm_gen("version", "branch", commit="add version file")
old_rev = erepo_dir.scm.get_rev()
stage = dvc.imp(fspath(erepo_dir), "version", "version", rev="branch")
imported = tmp_dir / "version"
assert imported.is_file()
assert imported.read_text() == "branch"
assert stage.deps[0].def_repo == {
"url": fspath(erepo_dir),
"rev": "branch",
"rev_lock": old_rev,
}
new_rev = None
with erepo_dir.branch("branch", new=False), erepo_dir.chdir():
erepo_dir.scm.repo.index.remove(["version"])
erepo_dir.dvc_gen("version", "updated")
erepo_dir.scm.add(["version", "version.dvc"])
erepo_dir.scm.commit("upgrade to DVC tracking")
new_rev = erepo_dir.scm.get_rev()
assert old_rev != new_rev
(status,) = dvc.status([stage.path])["version.dvc"]
(changed_dep,) = list(status["changed deps"].items())
assert changed_dep[0].startswith("version ")
assert changed_dep[1] == "update available"
dvc.update(stage.path)
assert dvc.status([stage.path]) == {}
assert imported.is_file()
assert imported.read_text() == "updated"
stage = Stage.load(dvc, stage.path)
assert stage.deps[0].def_repo == {
"url": fspath(erepo_dir),
"rev": "branch",
"rev_lock": new_rev,
}
def test_plot_multiple_revs(tmp_dir, scm, dvc):
shutil.copy(fspath(tmp_dir / ".dvc" / "plot" / "default.json"),
"template.json")
metric_1 = [{"y": 2}, {"y": 3}]
_write_json(tmp_dir, metric_1, "metric.json")
_run_with_metric(tmp_dir, "metric.json", "init", "v1")
metric_2 = [{"y": 3}, {"y": 5}]
_write_json(tmp_dir, metric_2, "metric.json")
_run_with_metric(tmp_dir, "metric.json", "second", "v2")
metric_3 = [{"y": 5}, {"y": 6}]
_write_json(tmp_dir, metric_3, "metric.json")
_run_with_metric(tmp_dir, "metric.json", "third")
plot_string = dvc.plot(
"metric.json",
template="template.json",
revisions=["HEAD", "v2", "v1"],
)
plot_content = json.loads(plot_string)
assert plot_content["data"]["values"] == [
{
"y": 5,
PlotData.INDEX_FIELD: 0,
"rev": "HEAD"
},
{
"y": 6,
PlotData.INDEX_FIELD: 1,
"rev": "HEAD"
},
{
"y": 3,
PlotData.INDEX_FIELD: 0,
"rev": "v2"
},
{
"y": 5,
PlotData.INDEX_FIELD: 1,
"rev": "v2"
},
{
"y": 2,
PlotData.INDEX_FIELD: 0,
"rev": "v1"
},
{
"y": 3,
PlotData.INDEX_FIELD: 1,
"rev": "v1"
},
]
assert plot_content["encoding"]["x"]["field"] == PlotData.INDEX_FIELD
assert plot_content["encoding"]["y"]["field"] == "y"
def test_external_dir_resource_on_no_cache(tmp_dir, dvc, tmp_path_factory):
# https://github.com/iterative/dvc/issues/2647, is some situations
# (external dir dependency) cache is required to calculate dir md5
external_dir = tmp_path_factory.mktemp("external_dir")
(external_dir / "file").write_text("content")
dvc.cache.local = None
with pytest.raises(RemoteCacheRequiredError):
dvc.run(deps=[fspath(external_dir)])
def pull_to(self, path, to_info):
try:
# Git handled files can't have absolute path
if os.path.isabs(path):
raise FileNotFoundError
fs_copy(os.path.join(self.root_dir, path), fspath(to_info))
except FileNotFoundError:
raise PathMissingError(path, self.url)
def test_import(tmp_dir, scm, dvc, erepo_dir):
with erepo_dir.chdir():
erepo_dir.dvc_gen("foo", "foo content", commit="create foo")
dvc.imp(fspath(erepo_dir), "foo", "foo_imported")
assert os.path.isfile("foo_imported")
assert (tmp_dir / "foo_imported").read_text() == "foo content"
assert scm.repo.git.check_ignore("foo_imported")
def test_import_cached_file(erepo_dir, tmp_dir, dvc, scm, monkeypatch):
src = "some_file"
dst = "some_file_imported"
with erepo_dir.chdir():
erepo_dir.dvc_gen({src: "hello"}, commit="add a regular file")
tmp_dir.dvc_gen({dst: "hello"})
(tmp_dir / dst).unlink()
remote_exception = NoRemoteError("dvc import")
with patch.object(cloud.DataCloud, "pull", side_effect=remote_exception):
tmp_dir.dvc.imp(fspath(erepo_dir), src, dst)
assert (tmp_dir / dst).is_file()
assert filecmp.cmp(fspath(erepo_dir / src),
fspath(tmp_dir / dst),
shallow=False)
def reflink(source, link_name):
source, link_name = fspath(source), fspath(link_name)
system = platform.system()
try:
if system == "Windows":
ret = System._reflink_windows(source, link_name)
elif system == "Darwin":
ret = System._reflink_darwin(source, link_name)
elif system == "Linux":
ret = System._reflink_linux(source, link_name)
else:
ret = -1
except IOError:
ret = -1
if ret != 0:
raise DvcException("reflink is not supported")
def test_ls_repo_with_target_dir(tmp_dir, dvc, scm):
tmp_dir.scm_gen(FS_STRUCTURE, commit="init")
tmp_dir.dvc_gen(DVC_STRUCTURE, commit="dvc")
files = Repo.ls(fspath(tmp_dir), target="model")
match_files(
files,
(("script.py", ), ("train.py", ), ("people.csv", ),
("people.csv.dvc", )),
)
def test_import_stage_accompanies_target(tmp_dir, dvc, erepo_dir):
with erepo_dir.chdir():
erepo_dir.dvc_gen("file1", "file1 content", commit="commit file")
tmp_dir.gen({"dir": {}})
erepo = {"url": fspath(erepo_dir)}
dvc.imp_url("file1", out=os.path.join("dir", "imported_file"), erepo=erepo)
assert (tmp_dir / "dir" / "imported_file").exists()
assert (tmp_dir / "dir" / "imported_file.dvc").exists()
def test_cache_type_is_properly_overridden(tmp_dir, scm, dvc, erepo_dir,
monkeypatch):
with monkeypatch.context() as m:
m.chdir(fspath(erepo_dir))
erepo_dir.dvc.config.set(Config.SECTION_CACHE,
Config.SECTION_CACHE_TYPE, "symlink")
erepo_dir.dvc.cache = Cache(erepo_dir.dvc)
erepo_dir.scm_add(
[erepo_dir.dvc.config.config_file],
"set source repo cache type to symlink",
)
erepo_dir.dvc_gen("foo", "foo content", "create foo")
assert System.is_symlink(erepo_dir / "foo")
dvc.imp(fspath(erepo_dir), "foo", "foo_imported")
assert not System.is_symlink("foo_imported")
assert (tmp_dir / "foo_imported").read_text() == "foo content"
assert scm.repo.git.check_ignore("foo_imported")
def test_import_git_dir(erepo_dir, tmp_dir, dvc, scm, src_is_dvc):
if not src_is_dvc:
erepo_dir.dvc.scm.repo.index.remove([".dvc"], r=True)
erepo_dir.dvc.scm.commit("remove .dvc")
src = "some_directory"
dst = "some_directory_imported"
erepo_dir.scm_gen({src: {"file.txt": "hello"}}, commit="add a dir")
stage = dvc.imp(fspath(erepo_dir), src, dst)
assert (tmp_dir / dst).is_dir()
trees_equal(fspath(erepo_dir / src), fspath(tmp_dir / dst))
assert tmp_dir.scm.repo.git.check_ignore(fspath(tmp_dir / dst))
assert stage.deps[0].def_repo == {
"url": fspath(erepo_dir),
"rev_lock": erepo_dir.scm.get_rev(),
}
def test_get_to_dir(tmp_dir, erepo_dir, dname):
with erepo_dir.chdir():
erepo_dir.dvc_gen("file", "contents", commit="create file")
makedirs(dname, exist_ok=True)
Repo.get(fspath(erepo_dir), "file", dname)
assert (tmp_dir / dname).is_dir()
assert (tmp_dir / dname / "file").read_text() == "contents"
def test_get_git_file(tmp_dir, erepo_dir):
src = "some_file"
dst = "some_file_imported"
erepo_dir.scm_gen({src: "hello"}, commit="add a regular file")
Repo.get(fspath(erepo_dir), src, dst)
assert (tmp_dir / dst).is_file()
assert (tmp_dir / dst).read_text() == "hello"
def test_ls_repo_with_path_subdir_outs_only_recursive(tmp_dir, dvc, scm):
tmp_dir.scm_gen(FS_STRUCTURE, commit="init")
tmp_dir.dvc_gen(DVC_STRUCTURE, commit="dvc")
path = os.path.join("data", "subcontent")
files = Repo.ls(fspath(tmp_dir), path, outs_only=True, recursive=True)
match_files(files, (
(("data.xml", ), True),
(("statistics", "data.csv"), True),
))
def test_gc_cloud_positive(tmp_dir, dvc, tmp_path_factory):
with dvc.config.edit() as conf:
storage = fspath(tmp_path_factory.mktemp("test_remote_base"))
conf["remote"]["local_remote"] = {"url": storage}
conf["core"]["remote"] = "local_remote"
dvc.push()
for flag in ["-cw", "-ca", "-cT", "-caT", "-cwT"]:
assert main(["gc", "-vf", flag]) == 0
def test_ls_repo_with_target_subdir_outs_only(tmp_dir, dvc, scm):
tmp_dir.scm_gen(FS_STRUCTURE, commit="init")
tmp_dir.dvc_gen(DVC_STRUCTURE, commit="dvc")
target = os.path.join("data", "subcontent")
files = Repo.ls(fspath(tmp_dir), target, outs_only=True)
match_files(files, (
(("data.xml", ), True),
(("statistics", ), False),
))
def test_update_import_url(tmp_dir, dvc, tmp_path_factory):
import_src = tmp_path_factory.mktemp("import_url_source")
src = import_src / "file"
src.write_text("file content")
dst = tmp_dir / "imported_file"
stage = dvc.imp_url(fspath(src), fspath(dst))
assert dst.is_file()
assert dst.read_text() == "file content"
# update data
src.write_text("updated file content")
assert dvc.status([stage.path]) == {}
dvc.update(stage.path)
assert dvc.status([stage.path]) == {}
assert dst.is_file()
assert dst.read_text() == "updated file content"
