def download_file(url, destination, verbose=False):
r"""
Download a file from a URL to a path, optionally reporting the progress
Parameters
----------
url : `str`
The URL of a remote resource that should be downloaded
destination : `Path`
The path on disk that the file will be downloaded to
verbose : `bool`, optional
If ``True``, report the progress of the download dynamically.
"""
from menpo.visualize.textutils import print_progress, bytes_str
req = urlopen(url)
chunk_size_bytes = 512 * 1024
with open(str(destination), 'wb') as fp:
# Retrieve a generator that we can keep yielding from to download the
# file in chunks.
copy_progress = copy_and_yield(req, fp, length=chunk_size_bytes)
if verbose:
# wrap the download object with print progress to log the status
n_bytes = int(req.headers['content-length'])
n_items = int(ceil((1.0 * n_bytes) / chunk_size_bytes))
prefix = 'Downloading {}'.format(bytes_str(n_bytes))
copy_progress = print_progress(copy_progress, n_items=n_items,
show_count=False, prefix=prefix)
for _ in copy_progress:
pass
req.close()
def download_file(url, dest_path):
r"""
Download a file to a path, reporting the progress with a progress bar
"""
from menpo.visualize.textutils import print_progress, bytes_str
req = urlopen(url)
n_bytes = int(req.headers['content-length'])
chunk_size_bytes = 512 * 1024
n_items = int(ceil((1.0 * n_bytes) / chunk_size_bytes))
prefix = 'Downloading {}'.format(bytes_str(n_bytes))
with open(str(dest_path), 'wb') as fp:
for _ in print_progress(copy_and_yield(req, fp,
length=chunk_size_bytes),
n_items=n_items, show_count=False,
prefix=prefix):
pass
req.close()
def download_file(url, dest_path):
r"""
Download a file to a path, reporting the progress with a progress bar
"""
from menpo.visualize.textutils import print_progress, bytes_str
req = urlopen(url)
n_bytes = int(req.headers['content-length'])
chunk_size_bytes = 512 * 1024
n_items = int(ceil((1.0 * n_bytes) / chunk_size_bytes))
prefix = 'Downloading {}'.format(bytes_str(n_bytes))
with open(str(dest_path), 'wb') as fp:
for _ in print_progress(copy_and_yield(req,
fp,
length=chunk_size_bytes),
n_items=n_items,
show_count=False,
prefix=prefix):
pass
req.close()
def download_file(url, destination, verbose=False):
r"""
Download a file from a URL to a path, optionally reporting the progress
Parameters
----------
url : `str`
The URL of a remote resource that should be downloaded
destination : `Path`
The path on disk that the file will be downloaded to
verbose : `bool`, optional
If ``True``, report the progress of the download dynamically.
"""
from menpo.visualize.textutils import print_progress, bytes_str
req = urlopen(url)
chunk_size_bytes = 512 * 1024
with open(str(destination), 'wb') as fp:
# Retrieve a generator that we can keep yielding from to download the
# file in chunks.
copy_progress = copy_and_yield(req, fp, length=chunk_size_bytes)
if verbose:
# wrap the download object with print progress to log the status
n_bytes = int(req.headers['content-length'])
n_items = int(ceil((1.0 * n_bytes) / chunk_size_bytes))
prefix = 'Downloading {}'.format(bytes_str(n_bytes))
copy_progress = print_progress(copy_progress,
n_items=n_items,
show_count=False,
prefix=prefix)
for _ in copy_progress:
pass
req.close()