Potentially speed up Tucson nightwatch mirror

bin/desi_tucson_transfer_catchup.sh

@@ -32,6 +32,7 @@ for d in engineering/focalplane engineering/focalplane/hwtables \
         engineering/focalplane) priority='nice'; exclude='--exclude archive --exclude hwtables --exclude *.ipynb --exclude .ipynb_checkpoints' ;;
         engineering/focalplane/hwtables) priority='nice'; exclude='--include *.csv --exclude *' ;;
         spectro/data) priority=''; exclude='--exclude 2018* --exclude 2019* --exclude 2020* --exclude 2021* --exclude 2022* --exclude 2023*' ;;
+        spectro/nightwatch/kpno) priority='nice'; exclude='--exclude 2021* --exclude 2022* --exclude 2023*' ;;
         spectro/redux/daily) priority=''; exclude='--exclude *.tmp --exclude attic --exclude exposures --exclude preproc --exclude temp --exclude tiles' ;;
         spectro/redux/daily/exposures) priority=''; exclude='--exclude *.tmp' ;;
         spectro/redux/daily/preproc) priority=''; exclude='--exclude *.tmp --exclude preproc-*.fits --exclude preproc-*.fits.gz' ;;

py/desitransfer/common.py

@@ -10,6 +10,7 @@
 import os
 import re
 import stat
+import time
 import pytz
 
 MST = pytz.timezone('America/Phoenix')
@@ -34,7 +35,7 @@ def empty_rsync(out):
         ``True`` if there are no files to transfer.
     """
     rr = re.compile(r'(receiving|sent [0-9]+ bytes|total size)')
-    return all([rr.match(l) is not None for l in out.split('\n') if l])
+    return all([rr.match(out_line) is not None for out_line in out.split('\n') if out_line])
 
 
 def new_exposures(out):
@@ -52,8 +53,8 @@ def new_exposures(out):
     """
     e = set()
     e_re = re.compile(r'([0-9]{8})/?')
-    for l in out.split('\n'):
-        m = e_re.match(l)
+    for out_line in out.split('\n'):
+        m = e_re.match(out_line)
         if m is not None:
             e.add(m.groups()[0])
     return e
@@ -125,7 +126,7 @@ def ensure_scratch(directories):
     """
     for d in directories:
         try:
-            l = os.listdir(d)
+            dir_list = os.listdir(d)
         except FileNotFoundError:
             continue
         return d
@@ -143,7 +144,7 @@ def today():
     This formulation, with the offset ``7/24+0.5``, is inherited from previous
     nightwatch transfer scripts.
     """
-    return (dt.datetime.utcnow() - dt.timedelta(7/24+0.5)).strftime('%Y%m%d')
+    return (dt.datetime.utcnow() - dt.timedelta(7 / 24 + 0.5)).strftime('%Y%m%d')
 
 
 def idle_time(start=8, end=12, tz=None):
@@ -174,3 +175,19 @@ def idle_time(start=8, end=12, tz=None):
         return (i - s) // dt.timedelta(seconds=1)
     e = dt.datetime(i.year, i.month, i.day, end, 0, 0, tzinfo=tz)
     return (e - i) // dt.timedelta(seconds=1)
+
+
+def exclude_years(start_year):
+    """Generate rsync ``--exclude`` statements of the form ``--exclude 2020*``.
+
+    Parameters
+    ----------
+    start_year : :class:`int`
+        First year to exclude.
+
+    Returns
+    -------
+    :class:`list`
+        A list suitable for appending to a command.
+    """
+    return (' '.join([f'--exclude {y:d}*' for y in range(start_year, time.localtime().tm_year)])).split()

py/desitransfer/daemon.py

@@ -78,11 +78,10 @@ def __init__(self, options):
             self._ini = options.configuration
         self.test = options.test
         self.tape = options.backup
-        getlist = lambda x: x.split(',')
-        getdict = lambda x: dict([tuple(i.split(':')) for i in x.split(',')])
         self.conf = ConfigParser(defaults=os.environ, strict=True,
                                  interpolation=ExtendedInterpolation(),
-                                 converters={'list': getlist, 'dict': getdict})
+                                 converters={'list': lambda x: x.split(','),
+                                             'dict': lambda x: dict([tuple(i.split(':')) for i in x.split(',')])})
         files = self.conf.read(self._ini)
         # assert files[0] == self._ini
         self.sections = [s for s in self.conf.sections()
@@ -183,11 +182,11 @@ def directory(self, d):
         _, out, err = _popen(cmd)
         links = sorted([x for x in out.split('\n') if x])
         if links:
-            for l in links:
-                if self._link_re.search(l) is None:
-                    log.warning("Malformed symlink detected: %s. Skipping.", l)
+            for link in links:
+                if self._link_re.search(link) is None:
+                    log.warning("Malformed symlink detected: %s. Skipping.", link)
                 else:
-                    self.exposure(d, l, status)
+                    self.exposure(d, link, status)
         else:
             log.warning('No links found, check connection.')
         #
@@ -440,9 +439,9 @@ def backup(self, d, night, status):
             if self.tape:
                 log.debug(' '.join(cmd))
                 _, out, err = _popen(cmd)
-                with open(ls_file) as l:
-                    data = l.read()
-                backup_files = [l.split()[-1] for l in data.split('\n') if l]
+                with open(ls_file) as ls_fileobj:
+                    data = ls_fileobj.read()
+                backup_files = [ls_out.split()[-1] for ls_out in data.split('\n') if ls_out]
             else:
                 backup_files = []
             backup_file = hpss_file + '_' + night + '.tar'
@@ -544,9 +543,9 @@ def verify_checksum(checksum_file):
                   checksum_file, n_lines)
         errors += "{0:d} file(s) listed but not downloaded.\n".format(n_lines)
     if n_lines < 0:
-        log.error("%d files are not listed in %s!", -1*n_lines, checksum_file)
-        errors += "{0:d} file(s) downloaded but not listed.\n".format(-1*n_lines)
-    digest = dict([(l.split()[1], l.split()[0]) for l in lines if l])
+        log.error("%d files are not listed in %s!", -1 * n_lines, checksum_file)
+        errors += "{0:d} file(s) downloaded but not listed.\n".format(-1 * n_lines)
+    digest = dict([(cl.split()[1], cl.split()[0]) for cl in lines if cl])
     for f in files:
         ff = os.path.join(d, f)
         if ff != checksum_file:
@@ -668,5 +667,5 @@ def main():
                      options.kill)
             return 0
         transfer.transfer()
-        time.sleep(sleep*60)
+        time.sleep(sleep * 60)
     return 0

py/desitransfer/daily.py

@@ -56,14 +56,14 @@ def transfer(self, permission=True):
         if self.extra:
             for i, e in enumerate(self.extra):
                 cmd.insert(cmd.index('--omit-dir-times') + 1 + i, e)
-        with open(self.log, 'ab') as l:
-            l.write(("DEBUG: desi_daily_transfer %s\n" % dtVersion).encode('utf-8'))
-            l.write(("DEBUG: %s\n" % ' '.join(cmd)).encode('utf-8'))
-            l.write(("DEBUG: Transfer start: %s\n" % stamp()).encode('utf-8'))
-            l.flush()
-            p = sub.Popen(cmd, stdout=l, stderr=sub.STDOUT)
+        with open(self.log, 'ab') as logfile:
+            logfile.write(("DEBUG: desi_daily_transfer %s\n" % dtVersion).encode('utf-8'))
+            logfile.write(("DEBUG: %s\n" % ' '.join(cmd)).encode('utf-8'))
+            logfile.write(("DEBUG: Transfer start: %s\n" % stamp()).encode('utf-8'))
+            logfile.flush()
+            p = sub.Popen(cmd, stdout=logfile, stderr=sub.STDOUT)
             status = p.wait()
-            l.write(("DEBUG: Transfer complete: %s\n" % stamp()).encode('utf-8'))
+            logfile.write(("DEBUG: Transfer complete: %s\n" % stamp()).encode('utf-8'))
         if status == 0:
             self.lock()
             if permission:
@@ -80,8 +80,8 @@ def lock(self):
                 fpath = os.path.join(dirpath, f)
                 if stat.S_IMODE(os.stat(fpath).st_mode) != file_perm:
                     os.chmod(fpath, file_perm)
-        with open(self.log, 'ab') as l:
-            l.write(("DEBUG: Lock complete: %s\n" % stamp()).encode('utf-8'))
+        with open(self.log, 'ab') as logfile:
+            logfile.write(("DEBUG: Lock complete: %s\n" % stamp()).encode('utf-8'))
 
     def permission(self):
         """Set permissions for DESI collaboration access.
@@ -95,12 +95,12 @@ def permission(self):
             The status returned by :command:`fix_permissions.sh`.
         """
         cmd = ['fix_permissions.sh', self.destination]
-        with open(self.log, 'ab') as l:
-            l.write(("DEBUG: %s\n" % ' '.join(cmd)).encode('utf-8'))
-            l.flush()
-            p = sub.Popen(cmd, stdout=l, stderr=sub.STDOUT)
+        with open(self.log, 'ab') as logfile:
+            logfile.write(("DEBUG: %s\n" % ' '.join(cmd)).encode('utf-8'))
+            logfile.flush()
+            p = sub.Popen(cmd, stdout=logfile, stderr=sub.STDOUT)
             status = p.wait()
-            l.write(("DEBUG: Permission reset complete: %s\n" % stamp()).encode('utf-8'))
+            logfile.write(("DEBUG: Permission reset complete: %s\n" % stamp()).encode('utf-8'))
         return status
 
 

py/desitransfer/nightwatch.py

@@ -11,7 +11,8 @@
 
 Catchup on a specific night::
 
-    NIGHT=20200124 && rsync -rlvt --exclude-from ${DESITRANSFER}/py/desitransfer/data/desi_nightwatch_transfer_exclude.txt dts:/exposures/nightwatch/${NIGHT}/ /global/cfs/cdirs/desi/spectro/nightwatch/kpno/${NIGHT}/
+    NIGHT=20200124 && rsync -rlvt --exclude-from ${DESITRANSFER}/py/desitransfer/data/desi_nightwatch_transfer_exclude.txt \
+        dts:/exposures/nightwatch/${NIGHT}/ /global/cfs/cdirs/desi/spectro/nightwatch/kpno/${NIGHT}/
 
 By-hand startup sequence (bash shell)::
 
@@ -114,7 +115,7 @@ def main():
     options = _options()
     _configure_log(options.debug)
     errcount = 0
-    wait = options.sleep*60
+    wait = options.sleep * 60
     source = '/exposures/nightwatch'
     basedir = os.path.join(os.environ['DESI_ROOT'], 'spectro', 'nightwatch')
     kpnodir = os.path.join(basedir, 'kpno')

py/desitransfer/spacewatch.py

@@ -117,7 +117,8 @@ def download_jpg(files, destination, overwrite=False, test=False):
                 r = requests.get(jpg)
                 if r.status_code == 200:
                     downloaded += 1
-                    timestamp = int(datetime.datetime.strptime(r.headers['Last-Modified'], '%a, %d %b %Y %H:%M:%S %Z').replace(tzinfo=utc).timestamp())
+                    timestamp = int(datetime.datetime.strptime(r.headers['Last-Modified'],
+                                                               '%a, %d %b %Y %H:%M:%S %Z').replace(tzinfo=utc).timestamp())
                     with open(dst_jpg, 'wb') as j:
                         j.write(r.content)
                     os.utime(dst_jpg, (timestamp, timestamp))

py/desitransfer/test/test_common.py

@@ -7,7 +7,7 @@
 from unittest.mock import patch
 from tempfile import TemporaryDirectory
 from ..common import (dt, MST, dir_perm, file_perm, empty_rsync, new_exposures, rsync,
-                      stamp, ensure_scratch, yesterday, today, idle_time)
+                      stamp, ensure_scratch, yesterday, today, idle_time, exclude_years)
 
 
 class FakeDateTime(datetime):
@@ -135,7 +135,7 @@ def test_today(self, mock_dt):
         """Test today's date.
         """
         mock_dt.datetime.utcnow.return_value = datetime(2019, 7, 3, 5, 0, 0)
-        mock_dt.timedelta.return_value = timedelta(7/24+0.5)
+        mock_dt.timedelta.return_value = timedelta(7 / 24 + 0.5)
         y = today()
         self.assertEqual(y, '20190702')
 
@@ -174,3 +174,11 @@ def test_idle_time_alt_time_zone(self):
         # mock_datetime.return_value = datetime(2021, 7, 3, 13, 0, 0, tzinfo=MST)
         i = idle_time(tz='US/Pacific')
         self.assertEqual(i, -3600)
+
+    def test_exclude_years(self):
+        """Test exclude statements for a range of years.
+        """
+        last_year = datetime.now().year - 1
+        ex = exclude_years(2018)
+        self.assertEqual(ex[1], '2018*')
+        self.assertEqual(ex[-1], f'{last_year:d}*')