def __call__(path=None,
initopts=None,
*,
force=False,
description=None,
dataset=None,
annex=True,
fake_dates=False,
cfg_proc=None):
# we only perform negative tests below
no_annex = not annex
if dataset:
if isinstance(dataset, Dataset):
ds = dataset
else:
ds = Dataset(dataset)
refds_path = ds.path
else:
ds = refds_path = None
# two major cases
# 1. we got a `dataset` -> we either want to create it (path is None),
# or another dataset in it (path is not None)
# 2. we got no dataset -> we want to create a fresh dataset at the
# desired location, either at `path` or PWD
# sanity check first
if no_annex:
if description:
raise ValueError("Incompatible arguments: cannot specify "
"description for annex repo and declaring "
"no annex repo.")
if (isinstance(initopts, (list, tuple))
and '--bare' in initopts) or (isinstance(initopts, dict)
and 'bare' in initopts):
raise ValueError(
"Creation of bare repositories is not supported. Consider "
"one of the create-sibling commands, or use "
"Git to init a bare repository and push an existing dataset "
"into it.")
if path:
path = resolve_path(path, dataset)
path = path if path \
else getpwd() if ds is None \
else refds_path
# we know that we need to create a dataset at `path`
assert (path is not None)
# assure cfg_proc is a list (relevant if used via Python API)
cfg_proc = ensure_list(cfg_proc)
# prep for yield
res = dict(action='create',
path=str(path),
logger=lgr,
type='dataset',
refds=refds_path)
refds = None
if refds_path and refds_path != str(path):
refds = require_dataset(refds_path,
check_installed=True,
purpose='create a subdataset')
path_inrefds = path_under_rev_dataset(refds, path)
if path_inrefds is None:
yield dict(
res,
status='error',
message=(
"dataset containing given paths is not underneath "
"the reference dataset %s: %s", ds, str(path)),
)
return
# try to locate an immediate parent dataset
# we want to know this (irrespective of whether we plan on adding
# this new dataset to a parent) in order to avoid conflicts with
# a potentially absent/uninstalled subdataset of the parent
# in this location
# it will cost some filesystem traversal though...
parentds_path = get_dataset_root(
op.normpath(op.join(str(path), os.pardir)))
if parentds_path:
prepo = GitRepo(parentds_path)
parentds_path = Path(parentds_path)
# we cannot get away with a simple
# GitRepo.get_content_info(), as we need to detect
# uninstalled/added subdatasets too
check_path = Path(path)
pstatus = prepo.status(
untracked='no',
# limit query to target path for a potentially massive speed-up
paths=[check_path.relative_to(parentds_path)])
if (not pstatus.get(check_path, {}).get("type") == "dataset"
and any(check_path == p or check_path in p.parents
for p in pstatus)):
# redo the check in a slower fashion, it is already broken
# let's take our time for a proper error message
conflict = [
p for p in pstatus
if check_path == p or check_path in p.parents
]
res.update({
'status':
'error',
'message':
('collision with content in parent dataset at %s: %s',
str(parentds_path), [str(c) for c in conflict])
})
yield res
return
if not force:
# another set of check to see whether the target path is pointing
# into a known subdataset that is not around ATM
subds_status = {
parentds_path / k.relative_to(prepo.path)
for k, v in pstatus.items()
if v.get('type', None) == 'dataset'
}
check_paths = [check_path]
check_paths.extend(check_path.parents)
if any(p in subds_status for p in check_paths):
conflict = [p for p in check_paths if p in subds_status]
res.update({
'status':
'error',
'message':
('collision with %s (dataset) in dataset %s',
str(conflict[0]), str(parentds_path))
})
yield res
return
# important to use the given Dataset object to avoid spurious ID
# changes with not-yet-materialized Datasets
tbds = ds if isinstance(ds, Dataset) and \
ds.path == path else Dataset(str(path))
# don't create in non-empty directory without `force`:
if op.isdir(tbds.path) and listdir(tbds.path) != [] and not force:
res.update({
'status':
'error',
'message':
'will not create a dataset in a non-empty directory, use '
'`--force` option to ignore'
})
yield res
return
# Check if specified cfg_proc(s) can be discovered, storing
# the results so they can be used when the time comes to run
# the procedure. If a procedure cannot be found, raise an
# error to prevent creating the dataset.
cfg_proc_specs = []
if cfg_proc:
discovered_procs = tbds.run_procedure(
discover=True,
result_renderer='disabled',
return_type='generator',
)
for cfg_proc_ in cfg_proc:
for discovered_proc in discovered_procs:
if discovered_proc['procedure_name'] == 'cfg_' + cfg_proc_:
cfg_proc_specs.append(discovered_proc)
break
else:
raise ValueError("Cannot find procedure with name "
"'%s'" % cfg_proc_)
if initopts is not None and isinstance(initopts, list):
initopts = {'_from_cmdline_': initopts}
# Note for the code below:
# OPT: be "smart" and avoid re-resolving .repo -- expensive in DataLad
# Re-use tbrepo instance, do not use tbds.repo
# create and configure desired repository
# also provides initial set of content to be tracked with git (not annex)
if no_annex:
tbrepo, add_to_git = _setup_git_repo(path, initopts, fake_dates)
else:
tbrepo, add_to_git = _setup_annex_repo(path, initopts, fake_dates,
description)
# OPT: be "smart" and avoid re-resolving .repo -- expensive in DataLad
# Note, must not happen earlier (before if) since "smart" it would not be
tbds_config = tbds.config
# record an ID for this repo for the afterlife
# to be able to track siblings and children
id_var = 'datalad.dataset.id'
# Note, that Dataset property `id` will change when we unset the
# respective config. Therefore store it before:
tbds_id = tbds.id
if id_var in tbds_config:
# make sure we reset this variable completely, in case of a
# re-create
tbds_config.unset(id_var, scope='branch')
if _seed is None:
# just the standard way
# use a fully random identifier (i.e. UUID version 4)
uuid_id = str(uuid.uuid4())
else:
# Let's generate preseeded ones
uuid_id = str(uuid.UUID(int=random.getrandbits(128)))
tbds_config.add(id_var,
tbds_id if tbds_id is not None else uuid_id,
scope='branch',
reload=False)
# make config overrides permanent in the repo config
# this is similar to what `annex init` does
# we are only doing this for config overrides and do not expose
# a dedicated argument, because it is sufficient for the cmdline
# and unnecessary for the Python API (there could simply be a
# subsequence ds.config.add() call)
for k, v in tbds_config.overrides.items():
tbds_config.add(k, v, scope='local', reload=False)
# all config manipulation is done -> fll reload
tbds_config.reload()
# must use the repo.pathobj as this will have resolved symlinks
add_to_git[tbrepo.pathobj / '.datalad'] = {
'type': 'directory',
'state': 'untracked'
}
# save everything, we need to do this now and cannot merge with the
# call below, because we may need to add this subdataset to a parent
# but cannot until we have a first commit
tbrepo.save(
message='[DATALAD] new dataset',
git=True,
# we have to supply our own custom status, as the repo does
# not have a single commit yet and the is no HEAD reference
# TODO make `GitRepo.status()` robust to this state.
_status=add_to_git,
)
for cfg_proc_spec in cfg_proc_specs:
yield from tbds.run_procedure(
cfg_proc_spec,
result_renderer='disabled',
return_type='generator',
)
# the next only makes sense if we saved the created dataset,
# otherwise we have no committed state to be registered
# in the parent
if isinstance(refds, Dataset) and refds.path != tbds.path:
# we created a dataset in another dataset
# -> make submodule
yield from refds.save(
path=tbds.path,
return_type='generator',
result_renderer='disabled',
)
res.update({'status': 'ok'})
yield res
def __call__(path=None,
initopts=None,
force=False,
description=None,
dataset=None,
no_annex=False,
fake_dates=False,
cfg_proc=None):
refds_path = dataset.path if hasattr(dataset, 'path') else dataset
# two major cases
# 1. we got a `dataset` -> we either want to create it (path is None),
# or another dataset in it (path is not None)
# 2. we got no dataset -> we want to create a fresh dataset at the
# desired location, either at `path` or PWD
# sanity check first
if no_annex:
if description:
raise ValueError("Incompatible arguments: cannot specify "
"description for annex repo and declaring "
"no annex repo.")
if path:
path = rev_resolve_path(path, dataset)
path = path if path \
else getpwd() if dataset is None \
else refds_path
# we know that we need to create a dataset at `path`
assert (path is not None)
# prep for yield
res = dict(action='create',
path=text_type(path),
logger=lgr,
type='dataset',
refds=refds_path)
refds = None
if refds_path and refds_path != path:
refds = require_dataset(refds_path,
check_installed=True,
purpose='creating a subdataset')
path_inrefds = path_under_rev_dataset(refds, path)
if path_inrefds is None:
yield dict(
res,
status='error',
message=(
"dataset containing given paths is not underneath "
"the reference dataset %s: %s", dataset,
text_type(path)),
)
return
# try to locate an immediate parent dataset
# we want to know this (irrespective of whether we plan on adding
# this new dataset to a parent) in order to avoid conflicts with
# a potentially absent/uninstalled subdataset of the parent
# in this location
# it will cost some filesystem traversal though...
parentds_path = rev_get_dataset_root(
op.normpath(op.join(text_type(path), os.pardir)))
if parentds_path:
prepo = GitRepo(parentds_path)
parentds_path = ut.Path(parentds_path)
# we cannot get away with a simple
# GitRepo.get_content_info(), as we need to detect
# uninstalled/added subdatasets too
check_path = ut.Path(path)
pstatus = prepo.status(
untracked='no',
# limit query to target path for a potentially massive speed-up
paths=[check_path.relative_to(parentds_path)])
if any(check_path == p or check_path in p.parents
for p in pstatus):
# redo the check in a slower fashion, it is already broken
# let's take our time for a proper error message
conflict = [
p for p in pstatus
if check_path == p or check_path in p.parents
]
res.update({
'status':
'error',
'message':
('collision with content in parent dataset at %s: %s',
text_type(parentds_path),
[text_type(c) for c in conflict])
})
yield res
return
# another set of check to see whether the target path is pointing
# into a known subdataset that is not around ATM
subds_status = {
parentds_path / k.relative_to(prepo.path)
for k, v in iteritems(pstatus)
if v.get('type', None) == 'dataset'
}
check_paths = [check_path]
check_paths.extend(check_path.parents)
if any(p in subds_status for p in check_paths):
conflict = [p for p in check_paths if p in subds_status]
res.update({
'status':
'error',
'message':
('collision with %s (dataset) in dataset %s',
text_type(conflict[0]), text_type(parentds_path))
})
yield res
return
# important to use the given Dataset object to avoid spurious ID
# changes with not-yet-materialized Datasets
tbds = dataset if isinstance(dataset, Dataset) and \
dataset.path == path else Dataset(text_type(path))
# don't create in non-empty directory without `force`:
if op.isdir(tbds.path) and listdir(tbds.path) != [] and not force:
res.update({
'status':
'error',
'message':
'will not create a dataset in a non-empty directory, use '
'`force` option to ignore'
})
yield res
return
# stuff that we create and want to have tracked with git (not annex)
add_to_git = {}
if initopts is not None and isinstance(initopts, list):
initopts = {'_from_cmdline_': initopts}
# create and configure desired repository
if no_annex:
lgr.info("Creating a new git repo at %s", tbds.path)
tbrepo = GitRepo(tbds.path,
url=None,
create=True,
create_sanity_checks=False,
git_opts=initopts,
fake_dates=fake_dates)
# place a .noannex file to indicate annex to leave this repo alone
stamp_path = ut.Path(tbrepo.path) / '.noannex'
stamp_path.touch()
add_to_git[stamp_path] = {'type': 'file', 'state': 'untracked'}
else:
# always come with annex when created from scratch
lgr.info("Creating a new annex repo at %s", tbds.path)
tbrepo = AnnexRepo(
tbds.path,
url=None,
create=True,
create_sanity_checks=False,
# do not set backend here, to avoid a dedicated commit
backend=None,
# None causes version to be taken from config
version=None,
description=description,
git_opts=initopts,
fake_dates=fake_dates)
# set the annex backend in .gitattributes as a staged change
tbrepo.set_default_backend(cfg.obtain('datalad.repo.backend'),
persistent=True,
commit=False)
add_to_git[tbds.repo.pathobj / '.gitattributes'] = {
'type': 'file',
'state': 'added'
}
# make sure that v6 annex repos never commit content under .datalad
attrs_cfg = (('config', 'annex.largefiles', 'nothing'), (
'metadata/aggregate*', 'annex.largefiles', 'nothing'
), ('metadata/objects/**', 'annex.largefiles', '({})'.format(
cfg.obtain('datalad.metadata.create-aggregate-annex-limit'))))
attrs = tbds.repo.get_gitattributes(
[op.join('.datalad', i[0]) for i in attrs_cfg])
set_attrs = []
for p, k, v in attrs_cfg:
if not attrs.get(op.join('.datalad', p), {}).get(k, None) == v:
set_attrs.append((p, {k: v}))
if set_attrs:
tbds.repo.set_gitattributes(set_attrs,
attrfile=op.join(
'.datalad', '.gitattributes'))
# prevent git annex from ever annexing .git* stuff (gh-1597)
attrs = tbds.repo.get_gitattributes('.git')
if not attrs.get('.git', {}).get('annex.largefiles',
None) == 'nothing':
tbds.repo.set_gitattributes([('**/.git*', {
'annex.largefiles': 'nothing'
})])
# must use the repo.pathobj as this will have resolved symlinks
add_to_git[tbds.repo.pathobj / '.gitattributes'] = {
'type': 'file',
'state': 'untracked'
}
# record an ID for this repo for the afterlife
# to be able to track siblings and children
id_var = 'datalad.dataset.id'
# Note, that Dataset property `id` will change when we unset the
# respective config. Therefore store it before:
tbds_id = tbds.id
if id_var in tbds.config:
# make sure we reset this variable completely, in case of a
# re-create
tbds.config.unset(id_var, where='dataset')
if _seed is None:
# just the standard way
uuid_id = uuid.uuid1().urn.split(':')[-1]
else:
# Let's generate preseeded ones
uuid_id = str(uuid.UUID(int=random.getrandbits(128)))
tbds.config.add(id_var,
tbds_id if tbds_id is not None else uuid_id,
where='dataset',
reload=False)
# make config overrides permanent in the repo config
# this is similar to what `annex init` does
# we are only doing this for config overrides and do not expose
# a dedicated argument, because it is sufficient for the cmdline
# and unnecessary for the Python API (there could simply be a
# subsequence ds.config.add() call)
for k, v in iteritems(tbds.config.overrides):
tbds.config.add(k, v, where='local', reload=False)
# all config manipulation is done -> fll reload
tbds.config.reload()
# must use the repo.pathobj as this will have resolved symlinks
add_to_git[tbds.repo.pathobj / '.datalad'] = {
'type': 'directory',
'state': 'untracked'
}
# save everything, we need to do this now and cannot merge with the
# call below, because we may need to add this subdataset to a parent
# but cannot until we have a first commit
tbds.repo.save(
message='[DATALAD] new dataset',
git=True,
# we have to supply our own custom status, as the repo does
# not have a single commit yet and the is no HEAD reference
# TODO make `GitRepo.status()` robust to this state.
_status=add_to_git,
)
# the next only makes sense if we saved the created dataset,
# otherwise we have no committed state to be registered
# in the parent
if isinstance(refds, Dataset) and refds.path != tbds.path:
# we created a dataset in another dataset
# -> make submodule
for r in refds.save(path=tbds.path, ):
yield r
res.update({'status': 'ok'})
yield res
for cfg_proc_ in cfg_proc or []:
for r in tbds.run_procedure('cfg_' + cfg_proc_):
yield r
def __call__(
path=None,
initopts=None,
force=False,
description=None,
dataset=None,
no_annex=False,
fake_dates=False,
cfg_proc=None
):
refds_path = dataset.path if hasattr(dataset, 'path') else dataset
# two major cases
# 1. we got a `dataset` -> we either want to create it (path is None),
# or another dataset in it (path is not None)
# 2. we got no dataset -> we want to create a fresh dataset at the
# desired location, either at `path` or PWD
# sanity check first
if no_annex:
if description:
raise ValueError("Incompatible arguments: cannot specify "
"description for annex repo and declaring "
"no annex repo.")
if path:
path = rev_resolve_path(path, dataset)
path = path if path \
else getpwd() if dataset is None \
else refds_path
# we know that we need to create a dataset at `path`
assert(path is not None)
# prep for yield
res = dict(action='create', path=text_type(path),
logger=lgr, type='dataset',
refds=refds_path)
refds = None
if refds_path and refds_path != path:
refds = require_dataset(
refds_path, check_installed=True,
purpose='creating a subdataset')
path_inrefds = path_under_rev_dataset(refds, path)
if path_inrefds is None:
yield dict(
res,
status='error',
message=(
"dataset containing given paths is not underneath "
"the reference dataset %s: %s",
dataset, text_type(path)),
)
return
# try to locate an immediate parent dataset
# we want to know this (irrespective of whether we plan on adding
# this new dataset to a parent) in order to avoid conflicts with
# a potentially absent/uninstalled subdataset of the parent
# in this location
# it will cost some filesystem traversal though...
parentds_path = rev_get_dataset_root(
op.normpath(op.join(text_type(path), os.pardir)))
if parentds_path:
prepo = GitRepo(parentds_path)
parentds_path = ut.Path(parentds_path)
# we cannot get away with a simple
# GitRepo.get_content_info(), as we need to detect
# uninstalled/added subdatasets too
check_path = ut.Path(path)
pstatus = prepo.status(
untracked='no',
# limit query to target path for a potentially massive speed-up
paths=[check_path.relative_to(parentds_path)])
if any(
check_path == p or check_path in p.parents
for p in pstatus):
# redo the check in a slower fashion, it is already broken
# let's take our time for a proper error message
conflict = [
p for p in pstatus
if check_path == p or check_path in p.parents]
res.update({
'status': 'error',
'message': (
'collision with content in parent dataset at %s: %s',
text_type(parentds_path),
[text_type(c) for c in conflict])})
yield res
return
# another set of check to see whether the target path is pointing
# into a known subdataset that is not around ATM
subds_status = {
parentds_path / k.relative_to(prepo.path)
for k, v in iteritems(pstatus)
if v.get('type', None) == 'dataset'}
check_paths = [check_path]
check_paths.extend(check_path.parents)
if any(p in subds_status for p in check_paths):
conflict = [p for p in check_paths if p in subds_status]
res.update({
'status': 'error',
'message': (
'collision with %s (dataset) in dataset %s',
text_type(conflict[0]),
text_type(parentds_path))})
yield res
return
# important to use the given Dataset object to avoid spurious ID
# changes with not-yet-materialized Datasets
tbds = dataset if isinstance(dataset, Dataset) and \
dataset.path == path else Dataset(text_type(path))
# don't create in non-empty directory without `force`:
if op.isdir(tbds.path) and listdir(tbds.path) != [] and not force:
res.update({
'status': 'error',
'message':
'will not create a dataset in a non-empty directory, use '
'`force` option to ignore'})
yield res
return
# stuff that we create and want to have tracked with git (not annex)
add_to_git = {}
if initopts is not None and isinstance(initopts, list):
initopts = {'_from_cmdline_': initopts}
# create and configure desired repository
if no_annex:
lgr.info("Creating a new git repo at %s", tbds.path)
tbrepo = GitRepo(
tbds.path,
url=None,
create=True,
create_sanity_checks=False,
git_opts=initopts,
fake_dates=fake_dates)
# place a .noannex file to indicate annex to leave this repo alone
stamp_path = ut.Path(tbrepo.path) / '.noannex'
stamp_path.touch()
add_to_git[stamp_path] = {
'type': 'file',
'state': 'untracked'}
else:
# always come with annex when created from scratch
lgr.info("Creating a new annex repo at %s", tbds.path)
tbrepo = AnnexRepo(
tbds.path,
url=None,
create=True,
create_sanity_checks=False,
# do not set backend here, to avoid a dedicated commit
backend=None,
# None causes version to be taken from config
version=None,
description=description,
git_opts=initopts,
fake_dates=fake_dates
)
# set the annex backend in .gitattributes as a staged change
tbrepo.set_default_backend(
cfg.obtain('datalad.repo.backend'),
persistent=True, commit=False)
add_to_git[tbds.repo.pathobj / '.gitattributes'] = {
'type': 'file',
'state': 'added'}
# make sure that v6 annex repos never commit content under .datalad
attrs_cfg = (
('config', 'annex.largefiles', 'nothing'),
('metadata/aggregate*', 'annex.largefiles', 'nothing'),
('metadata/objects/**', 'annex.largefiles',
'({})'.format(cfg.obtain(
'datalad.metadata.create-aggregate-annex-limit'))))
attrs = tbds.repo.get_gitattributes(
[op.join('.datalad', i[0]) for i in attrs_cfg])
set_attrs = []
for p, k, v in attrs_cfg:
if not attrs.get(
op.join('.datalad', p), {}).get(k, None) == v:
set_attrs.append((p, {k: v}))
if set_attrs:
tbds.repo.set_gitattributes(
set_attrs,
attrfile=op.join('.datalad', '.gitattributes'))
# prevent git annex from ever annexing .git* stuff (gh-1597)
attrs = tbds.repo.get_gitattributes('.git')
if not attrs.get('.git', {}).get(
'annex.largefiles', None) == 'nothing':
tbds.repo.set_gitattributes([
('**/.git*', {'annex.largefiles': 'nothing'})])
# must use the repo.pathobj as this will have resolved symlinks
add_to_git[tbds.repo.pathobj / '.gitattributes'] = {
'type': 'file',
'state': 'untracked'}
# record an ID for this repo for the afterlife
# to be able to track siblings and children
id_var = 'datalad.dataset.id'
# Note, that Dataset property `id` will change when we unset the
# respective config. Therefore store it before:
tbds_id = tbds.id
if id_var in tbds.config:
# make sure we reset this variable completely, in case of a
# re-create
tbds.config.unset(id_var, where='dataset')
if _seed is None:
# just the standard way
uuid_id = uuid.uuid1().urn.split(':')[-1]
else:
# Let's generate preseeded ones
uuid_id = str(uuid.UUID(int=random.getrandbits(128)))
tbds.config.add(
id_var,
tbds_id if tbds_id is not None else uuid_id,
where='dataset',
reload=False)
# make config overrides permanent in the repo config
# this is similar to what `annex init` does
# we are only doing this for config overrides and do not expose
# a dedicated argument, because it is sufficient for the cmdline
# and unnecessary for the Python API (there could simply be a
# subsequence ds.config.add() call)
for k, v in iteritems(tbds.config.overrides):
tbds.config.add(k, v, where='local', reload=False)
# all config manipulation is done -> fll reload
tbds.config.reload()
# must use the repo.pathobj as this will have resolved symlinks
add_to_git[tbds.repo.pathobj / '.datalad'] = {
'type': 'directory',
'state': 'untracked'}
# save everything, we need to do this now and cannot merge with the
# call below, because we may need to add this subdataset to a parent
# but cannot until we have a first commit
tbds.repo.save(
message='[DATALAD] new dataset',
git=True,
# we have to supply our own custom status, as the repo does
# not have a single commit yet and the is no HEAD reference
# TODO make `GitRepo.status()` robust to this state.
_status=add_to_git,
)
# the next only makes sense if we saved the created dataset,
# otherwise we have no committed state to be registered
# in the parent
if isinstance(dataset, Dataset) and dataset.path != tbds.path:
# we created a dataset in another dataset
# -> make submodule
for r in dataset.save(
path=tbds.path,
):
yield r
res.update({'status': 'ok'})
yield res
for cfg_proc_ in cfg_proc or []:
for r in tbds.run_procedure('cfg_' + cfg_proc_):
yield r
