Updated syntax for python3

.travis.yml

@@ -32,12 +32,6 @@ env:
     - PIP_FLAGS="--quiet --pre"
     - PIP_FLAGS="--quiet"
 
-matrix:
-  allow_failures:
-    - python: '3.5'
-    - python: '3.6'
-  fast_finish: true
-
 before_install:
   - pip install -q --upgrade pip
   - pip install ${PIP_FLAGS} -r requirements.txt

bin/gwdetchar-lasso-correlation

@@ -1141,4 +1141,4 @@ page.div.close()  # container
 with open('index.html', 'w') as f:
     print(str(page), file=f)
 
-print ("-- Process Completed")
+print("-- Process Completed")

bin/gwdetchar-omega

@@ -27,12 +27,8 @@ import re
 import sys
 import ast
 import warnings
-try:
-    # Python 3.x
-    from io import StringIO
-except ImportError:
-    # Python 2.x
-    from StringIO import StringIO
+
+from six.moves import StringIO
 
 import numpy
 from numpy import fft as npfft

bin/gwdetchar-slow-correlation

@@ -426,4 +426,4 @@ page.div.close()  # container
 with open('index.html', 'w') as f:
     print(str(page), file=f)
 
-print ("-- Process Completed")
+print("-- Process Completed")

bin/gwdetchar-software-saturations

@@ -28,7 +28,8 @@ import re
 import subprocess
 import sys
 from multiprocessing import (Pool, cpu_count)
-from StringIO import StringIO
+
+from six.moves import StringIO
 
 from matplotlib import use
 use('agg')

gwdetchar/cds.py

@@ -19,11 +19,7 @@
 """Utilities for accessing information from CDS
 """
 
-import re
-try:
-    from urllib import request
-except ImportError:
-    import urllib2 as request
+from six.moves.urllib import request
 
 RTDCUID_URL = (
     'https://daqsvn.ligo-la.caltech.edu/websvn/filedetails.php?'

gwdetchar/cli.py

@@ -20,7 +20,6 @@
 """
 
 import argparse
-import os
 
 from gwpy.time import to_gps
 

gwdetchar/daq.py

@@ -115,7 +115,6 @@ def ligo_model_overflow_channels(dcuid, ifo=None, frametype=None, gpstime=None,
     """
     """
     # FIXME: write a docstring
-    from lalframe.utils import get_channels
 
     ifo = ifo or const.IFO
     if ifo is None:
@@ -137,10 +136,10 @@ def ligo_model_overflow_channels(dcuid, ifo=None, frametype=None, gpstime=None,
         _CHANNELS[framefile] = get_channel_names(framefile)
         allchannels = _CHANNELS[framefile]
     if accum:
-        regex = re.compile('%s:FEC-%d_(ADC|DAC)_OVERFLOW_ACC_\d+_\d+\Z'
+        regex = re.compile(r'%s:FEC-%d_(ADC|DAC)_OVERFLOW_ACC_\d+_\d+\Z'
                            % (ifo, dcuid))
     else:
-        regex = re.compile('%s:FEC-%d_(ADC|DAC)_OVERFLOW_\d+_\d+\Z'
+        regex = re.compile(r'%s:FEC-%d_(ADC|DAC)_OVERFLOW_\d+_\d+\Z'
                            % (ifo, dcuid))
     return natural_sort(filter(regex.match, allchannels))
 

gwdetchar/io/datafind.py

@@ -65,7 +65,6 @@ def write_omega_cache(cache, fobj):
     wcache = {}
     for e in cache:
         dir_ = os.path.split(e.path)[0]
-        lfn = os.path.basename(e.path)
         if dir_ in wcache:
             l = wcache[dir_]
             if l[2] > int(e.segment[0]):

gwdetchar/io/html.py

@@ -20,7 +20,8 @@
 """
 
 import os
-from StringIO import StringIO
+
+from six.moves import StringIO
 
 from glue import markup
 

gwdetchar/io/ligolw.py

@@ -53,7 +53,7 @@ def new_table(tab, *args, **kwargs):
 def sngl_burst_from_times(times, **params):
     """Create a `SnglBurstTable` from an array of times
     """
-    columns = set(params.keys() + ['peak_time', 'peak_time_ns', 'event_id'])
+    columns = set(params.keys()) | {'peak_time', 'peak_time_ns', 'event_id'}
     table = new_table('sngl_burst', columns=list(columns))
     get_next_id = table.get_next_id
     RowType = table.RowType
@@ -62,7 +62,7 @@ def sngl_burst_from_times(times, **params):
         row = RowType()
         row.event_id = get_next_id()
         row.set_peak(LIGOTimeGPS(t))
-        for key, val in params.iteritems():
+        for key, val in params.items():
             setattr(row, key, val)
         append(row)
     return table
@@ -80,7 +80,7 @@ def sngl_burst_from_segments(segs, **params):
         row.event_id = next_id()
         row.set_period(seg)
         row.set_peak(LIGOTimeGPS(seg[0] + abs(seg)/2.))
-        for key, val in params.iteritems():
+        for key, val in params.items():
             setattr(row, key, val)
         append(row)
     return table

gwdetchar/omega/html.py

@@ -24,11 +24,9 @@
 import os
 import sys
 import datetime
-import warnings
 import subprocess
 from functools import wraps
 from getpass import getuser
-from pytz import timezone
 
 from glue import markup
 from gwpy.time import tconvert

gwdetchar/omega/plot.py

@@ -21,15 +21,9 @@
 
 from __future__ import division
 
-import os.path
-import warnings
-
 from matplotlib import cm
 from matplotlib import rcParams
-from matplotlib.colors import LogNorm
 
-from gwpy.plotter import (SpectrogramPlot,
-                          TimeSeriesPlot, Plot)
 from gwpy.plotter.colors import GW_OBSERVATORY_COLORS
 
 __author__ = 'Alex Urban <alexander.urban@ligo.org>'
@@ -77,7 +71,7 @@ def omega_plot(series, gps, span, channel, colormap='viridis', clim=None,
     else:
         ax.set_xlabel('Time [seconds]')
     # set y-axis properties
-    chan = channel.replace('_', '\_')
+    chan = channel.replace('_', r'\_')
     if (qscan or eventgram):
         ax.set_yscale('log')
         ax.set_title('%s at %.3f with $Q=%.1f$' % (chan, gps, series.q),

gwdetchar/omega/scan.py

@@ -21,7 +21,6 @@
 
 from __future__ import print_function
 
-import re
 import os
 import subprocess
 import sys

gwdetchar/saturation.py

@@ -29,9 +29,9 @@
 
 __author__ = 'Duncan Macleod <duncan.macleod@ligo.org>'
 
-re_limit = re.compile('_LIMIT\Z')
-re_limen = re.compile('_LIMEN\Z')
-re_swstat = re.compile('_SWSTAT\Z')
+re_limit = re.compile(r'_LIMIT\Z')
+re_limen = re.compile(r'_LIMEN\Z')
+re_swstat = re.compile(r'_SWSTAT\Z')
 re_software = re.compile(
     '(%s)' % '|'.join([re_limit.pattern, re_limen.pattern, re_swstat.pattern]))
 

gwdetchar/scattering.py

@@ -21,8 +21,6 @@
 
 import numpy
 
-from . import const
-
 __author__ = 'Duncan Macleod <duncan.macleod@ligo.org>'
 
 OPTIC_MOTION_CHANNELS = {

gwdetchar/tests/test_cds.py

@@ -51,6 +51,8 @@
 
 
 def mock_request(output):
+    if isinstance(output, str):
+        output = output.encode('utf-8')
     return mock.patch('gwdetchar.cds.request.urlopen',
                       return_value=BytesIO(output))
 

gwdetchar/tests/test_cli.py

@@ -20,6 +20,10 @@
 """
 
 import argparse
+try:
+    from importlib import reload
+except ImportError:  # python < 3
+    reload = reload
 
 import pytest
 
@@ -58,7 +62,7 @@ def test_add_version_option(parser, inv, outv):
 @pytest.mark.parametrize('ifo', (_const.IFO, None))
 def add_ifo_option(parser, const, ifo):
     const.IFO == ifo
-    act = parser.add_ifo_option()
+    parser.add_ifo_option()
     args = parser.parse_args([])
     assert args.ifo == ifo
     if ifo is None:

gwdetchar/tests/test_const.py

@@ -19,12 +19,16 @@
 """Test suite for `gwdetchar.const`
 """
 
-import argparse
 import os
 
+try:
+    from importlib import reload
+except ImportError:  # python < 3
+    reload = reload
+
 import pytest
 
-from .. import (cli, const as _const)
+from .. import const as _const
 
 _DEFAULT_ENV = os.environ.copy()
 

gwdetchar/tests/test_io_ligolw.py

@@ -19,8 +19,6 @@
 """Tests for `gwdetchar.io.ligolw`
 """
 
-import pytest
-
 import numpy
 from numpy.testing import (assert_array_equal, assert_allclose)
 

gwdetchar/utils.py

@@ -21,8 +21,6 @@
 
 import re
 
-from gwpy.io.kerberos import which
-
 __author__ = 'Duncan Macleod <duncan.macleod@ligo.org>'
 
 
@@ -45,7 +43,8 @@ def natural_sort(l, key=str):
     sorted : `list`
         a sorted version of the input list
     """
-    k = key and map(key, l) or l
+    l = list(l)
+    k = list(map(key, l)) if key else l
     convert = lambda text: int(text) if text.isdigit() else text
     alphanum_key = lambda key: [convert(c) for c in
                                 re.split('([0-9]+)', k[l.index(key)])]

requirements.txt

@@ -1,3 +1,4 @@
+six
 numpy >= 1.10
 scipy >= 0.16
 matplotlib >= 1.4.1

setup.py

@@ -48,6 +48,7 @@
     'pytest-runner',
 ]
 install_requires = [
+    'six',
     'numpy>=1.10',
     'scipy>=0.16',
     'matplotlib>=1.4.1',