def rebuild(self, db_path, log):
"""
Download all the files inside a remote directory of the ftp server. If the
file is already present on the local directory, rewrite it. Do not download
the file that contain the string '-NRT' in their filename.
Args:
- *db_path*: the path of the directory set in the download program.
- *log*: a logger object from the class Log to print informations on
the standard output
Returns:
- *downloaded*: a list of all the downloaded filenames.
"""
# In the following list I will store the name of the
# files that will be downloaded or updated
downloaded = []
# Check if the directory for this harvester is present
# in the database
path = join(db_path,relative_path)
ensure_dir(path, log, expected=False)
# Open the connection with the remote archive
connection = FTP(ftp_url)
connection.login(user=user, passwd=password)
# Enter in the folder "Intermediate"
connection.cwd('Intermediate')
# Enter in "OCEANCOLOUR_MED_CHL_L4_NRT_OBSERVATIONS_009_060"
connection.cwd('OCEANCOLOUR_MED_CHL_L4_NRT_OBSERVATIONS_009_060')
# Enter in "dataset-oc-med-chl-modis_a-l4-chl_7km_daily-rt-v02"
connection.cwd('dataset-oc-med-chl-modis_a-l4-chl_7km_daily-rt-v02')
_, years, _ = list_files(connection)
for year in years:
connection.cwd(year)
files, _, perms = list_files(connection)
for f in files:
d = download_file(connection, f, path,
log, perms, False)
if d:
downloaded.append(f)
connection.cwd('..')
connection.quit()
return downloaded
def harvest(self, db_path, log):
"""
Download all the files inside a remote directory of the ftp server
whose modification date is after the modification date of the last
file in the local dir. Do not download the files if the contain
'-NRT-' in their name.
Args:
- *db_path*: the path of the directory set in the download program.
- *log*: a logger object from the class Log to print informations on
the standard output
Returns:
- *downloaded*: a list of all the downloaded filenames.
"""
# In the following list I will store the name of the
# files that will be downloaded or updated
downloaded = []
# Check if the directory for this harvester is present
# in the database
path = join(db_path,relative_path)
ensure_dir(path, log, expected=True)
# Open the connection with the remote archive
connection = FTP(ftp_url)
connection.login(user=user, passwd=password)
# Enter in the folder "Intermediate"
connection.cwd('Intermediate')
# Enter in "OCEANCOLOUR_MED_CHL_L4_NRT_OBSERVATIONS_009_060"
connection.cwd('OCEANCOLOUR_MED_CHL_L4_NRT_OBSERVATIONS_009_060')
# Enter in "dataset-oc-med-chl-modis_a-l4-chl_7km_daily-rt-v02"
connection.cwd('dataset-oc-med-chl-modis_a-l4-chl_7km_daily-rt-v01')
# List all the local files
loc_files = [f for f in listdir(path) if f !='incomplete_download.tmp']
# If there are no files, download everything
if len(loc_files)==0:
log.info('No local files found! Everything will be '
'downloaded from the remote repository!')
_, years, _ = list_files(connection)
for year in years:
connection.cwd(year)
files, _, perms = list_files(connection)
files_to_be_downloaded = [f for f in files if not '-NRT-' in f]
for f in files_to_be_downloaded:
d = download_file(connection, f, path,
log, perms, False)
if d:
downloaded.append(f)
connection.cwd('..')
else:
loc_files.sort()
last_file = loc_files[-1]
last_year = int(last_file[0:4])
_, years, _ = list_files(connection)
new_years = [y for y in years if int(y)>last_year]
# Enter in the folder with the year of the last downloaded
# file and download every file which is newer than that
connection.cwd(str(last_year))
files, _, perms = list_files(connection)
files_to_be_downloaded = [f for f in files if not '-NRT-' in f]
for f in files_to_be_downloaded:
if f > last_file:
d = download_file(connection, f, path,
log, perms, True, True)
if d:
downloaded.append(f)
connection.cwd('..')
# Now we will download what is in the folders of the years
# after the last file
for year in new_years:
connection.cwd(year)
files, _, perms = list_files(connection)
files_to_be_downloaded = [f for f in files if not '-NRT-' in f]
for f in files_to_be_downloaded:
d = download_file(connection, f, path,
log, perms, True, True)
if d:
downloaded.append(f)
connection.cwd('..')
# Warning if we found a lot of updates or no updates at all
if len(downloaded) == 0:
log.info('No updates found!')
if len(downloaded) >1 :
warn_message = 'Downloaded more than one file:'
for f in downloaded:
warn_message += '\n - ' + str(f)
log.info(warn_message, split_lines=False)
connection.quit()
return downloaded
def harvest(self, db_path, log):
"""
Download all the files inside the remote directories "vessel" and
"mooring" of the remote ftp server whose modification date is after
the modification date of the last file in the local dir. Please do
not put any file in the local directory because this may change the
date of the last edited file
Args:
- *db_path*: the path of the directory set in the download program.
- *log*: a logger object from the class Log to print informations on
the standard output
Returns:
- *downloaded*: a list of all the downloaded filenames.
"""
# In the following list I will store the name of the
# files that will be downloaded or updated
downloaded = []
# Check if the directory for this harvester is present
# in the database
path = join(db_path,relative_path)
ensure_dir(path, log, expected=True)
# Check if exists the folder "vessel"
path_vessel = join(path, "vessel")
ensure_dir(path_vessel, log, expected=True)
# Check if exists the folder "mooring"
path_mooring = join(path, "mooring")
ensure_dir(path_mooring, log, expected=True)
# Open the connection with the remote archive
connection = FTP(ftp_url)
connection.login(user=user, passwd=password)
# Enter in the folders
connection.cwd('Core')
connection.cwd('INSITU_MED_NRT_OBSERVATIONS_013_035')
connection.cwd('monthly')
# Now I will download everything from the vessel dir
connection.cwd('vessel')
log.debug("Entering in dir vessel")
# Check the last file we have already downloaded
already_downloaded = listdir(path_vessel)
file_dates = [int(l.split('_')[1]) for l in already_downloaded]
if len(file_dates) == 0:
last_downloaded = 0
else:
last_downloaded = max(file_dates)
log.debug("Last downloaded file on ??/{0:0>2}/{1:0>4}".format(
last_downloaded%100, last_downloaded//100))
# List all the dirs and take only the one that are generated
# after the last file downloaded
_, subdirs, _ = list_files(connection)
subdirs_to_check = [d for d in subdirs if int(d) >= last_downloaded]
# Download all the file in that dirs
for d in sorted(subdirs_to_check):
log.debug("Entering in dir vessel/" + d)
connection.cwd(d)
files, _, perms = list_files(connection)
for f in files:
if f[:2] == "MO" and f[-3:]==".nc":
d = download_file(connection, f, path_vessel,
log, perms, True, False)
if d:
downloaded.append(f)
connection.cwd('..')
connection.cwd('..')
# Now the same for the mooring dir
connection.cwd('mooring')
log.debug("Entering in dir mooring")
already_downloaded = listdir(path_mooring)
file_dates = [int(l.split('_')[1]) for l in already_downloaded if l!='incomplete_download.tmp']
if len(file_dates) == 0:
last_downloaded = 0
else:
last_downloaded = max(file_dates)
log.debug("Last downloaded file on ??/{0:0>2}/{1:0>4}".format(
last_downloaded%100, last_downloaded//100))
_, subdirs, _ = list_files(connection)
subdirs_to_check = [d for d in subdirs if int(d) >= last_downloaded]
for d in sorted(subdirs_to_check):
log.debug("Entering in dir mooring/" + d)
connection.cwd(d)
files, _, perms = list_files(connection)
for f in files:
if f[:2] == "MO" and f[-3:]==".nc":
d = download_file(connection, f, path_mooring,
log, perms, True, False)
if d:
downloaded.append(f)
connection.cwd('..')
connection.cwd('..')
# At the end, download the index
connection.cwd('..')
_, _, perms = list_files(connection)
download_file(connection, 'index_monthly.txt', path,
log, perms, False)
connection.quit()
return downloaded
def rebuild(self, db_path, log):
"""
Download all the files inside the remote directories "vessel" and
"mooring" of the remote ftp server. If a file already exists, it
will be rewritten.
Args:
- *db_path*: the path of the directory set in the download program.
- *log*: a logger object from the class Log to print informations on
the standard output
Returns:
- *downloaded*: a list of all the downloaded filenames.
"""
# In the following list I will store the name of the
# files that will be downloaded or updated
downloaded = []
# Check if the directory for this harvester is present
# in the database
path = join(db_path,relative_path)
ensure_dir(path, log, expected=False)
# Check if exists the folder "vessel"
path_vessel = join(path, "vessel")
ensure_dir(path_vessel, log, expected=False)
# Check if exists the folder "mooring"
path_mooring = join(path, "mooring")
ensure_dir(path_mooring, log, expected=False)
# Open the connection with the remote archive
connection = FTP(ftp_url)
connection.login(user=user, passwd=password)
connection.cwd('Core')
connection.cwd('INSITU_MED_NRT_OBSERVATIONS_013_035')
connection.cwd('monthly')
# Enter in the folder "vessel"
connection.cwd('vessel')
log.debug("Entering in dir vessel")
# For every subdir, download every netcdf file whose
# name starts with "MO" and put it in the vessel
_, subdirs, _ = list_files(connection)
for d in sorted(subdirs):
log.debug("Entering in dir vessel/" + d)
connection.cwd(d)
files, _, perms = list_files(connection)
for f in files:
if f[:2] == "MO" and f[-3:]==".nc":
d = download_file(connection, f, path_vessel,
log, perms, False)
if d:
downloaded.append(f)
connection.cwd('..')
connection.cwd('..')
# The same for the other dir
connection.cwd('mooring')
log.debug("Entering in dir mooring")
_, subdirs, _ = list_files(connection)
for d in sorted(subdirs):
log.debug("Entering in dir mooring/" + d)
connection.cwd(d)
files, _, perms = list_files(connection)
for f in files:
if f[:2] == "MO" and f[-3:]==".nc":
d = download_file(connection, f, path_mooring,
log, perms, False)
if d:
downloaded.append(f)
connection.cwd('..')
connection.cwd('..')
# At the end, download the index
connection.cwd('..')
_, _, perms = list_files(connection)
download_file(connection, 'index_monthly.txt', path,
log, perms, False)
connection.quit()
return downloaded
