class ExperimentFileSource(object):
"""Treat an experiment directory as a potential source of files for
copying to a temp directory as part of a deployment (debug or otherwise).
"""
def __init__(self, root_dir="."):
self.root = root_dir
self.git = GitClient()
@property
def files(self):
"""A Set of all files copyable in the source directory, accounting for
exclusions.
"""
return {path for path in self._walk()}
@property
def size(self):
"""Combined size of all files, accounting for exclusions.
"""
return sum([os.path.getsize(path) for path in self._walk()])
def selective_copy_to(self, destination):
"""Write files from the source directory to another directory, skipping
files excluded by the general exclusion_policy, plus any files
ignored by git configuration.
"""
for path in self.files:
subpath = os.path.relpath(path, start=self.root)
target_folder = os.path.join(destination, os.path.dirname(subpath))
ensure_directory(target_folder)
shutil.copy2(path, target_folder)
def _walk(self):
exclusions = exclusion_policy()
git_files = set([os.path.join(self.root, f) for f in self.git.files()])
for dirpath, dirnames, filenames in os.walk(self.root, topdown=True):
current_exclusions = exclusions(dirpath, os.listdir(dirpath))
# Modifying dirnames in-place will prune the subsequent files and
# directories visited by os.walk. This is only possible when
# topdown = True
dirnames[:] = [d for d in dirnames if d not in current_exclusions]
legit_files = {
os.path.join(dirpath, f)
for f in filenames
if f not in current_exclusions and os.path.join(dirpath, f)
}
if git_files:
legit_files = legit_files.intersection(git_files)
for legit in legit_files:
yield legit
class ExperimentFileSource(object):
"""Treat an experiment directory as a potential source of files for
copying to a temp directory as part of a deployment (debug or otherwise).
"""
def __init__(self, root_dir="."):
self.root = root_dir
self.git = GitClient()
@property
def files(self):
"""A Set of all files copyable in the source directory, accounting for
exclusions.
"""
return {path for path in self._walk()}
@property
def size(self):
"""Combined size of all files, accounting for exclusions.
"""
return sum([os.path.getsize(path) for path in self._walk()])
def selective_copy_to(self, destination):
"""Write files from the source directory to another directory, skipping
files excluded by the general exclusion_policy, plus any files
ignored by git configuration.
"""
for path in self.files:
subpath = os.path.relpath(path, start=self.root)
target_folder = os.path.join(destination, os.path.dirname(subpath))
ensure_directory(target_folder)
shutil.copy2(path, target_folder)
def _walk(self):
# The GitClient and os.walk may return different representations of the
# same unicode characters, so we use unicodedata.normalize() for
# comparisons:
# list(name_from_git)
# ['å', ' ', 'f', 'i', 'l', 'e', '.', 't', 'x', 't']
# list(from_os_walk)
# ['a', '̊', ' ', 'f', 'i', 'l', 'e', '.', 't', 'x', 't']
exclusions = exclusion_policy()
git_files = {
os.path.join(self.root, normalize("NFC", f)) for f in self.git.files()
}
for dirpath, dirnames, filenames in os.walk(self.root, topdown=True):
current_exclusions = exclusions(dirpath, os.listdir(dirpath))
# Modifying dirnames in-place will prune the subsequent files and
# directories visited by os.walk. This is only possible when
# topdown = True
dirnames[:] = [d for d in dirnames if d not in current_exclusions]
legit_files = {
os.path.join(dirpath, f)
for f in filenames
if f not in current_exclusions
}
if git_files:
normalized = {
normalize("NFC", six.text_type(f)): f for f in legit_files
}
legit_files = {v for k, v in normalized.items() if k in git_files}
for legit in legit_files:
yield legit