def test_updating_values():
sp = Sunpath(location)
assert sp.north == 0
sp.north = 10
assert sp.north == 10
sp.north = 0
assert sp.north == 0
def sunpath_from_wea(wea, north, folder, name, log_file, leap_year,
reverse_vectors):
"""Generate a climate-based sunpath from a Wea file.
This command also generates a mod file which includes all the modifiers in sunpath.
mod file is usually used with rcontrib command to indicate the list of modifiers.
Since rcontrib command has a hard limit of 10,000 modifiers in a single run the files
will be broken down into multiple files if number of modifiers is more than 10000
modifiers.
wea: Path to a wea file.
"""
try:
wea = Wea.from_file(wea)
sp = Sunpath(wea.location, north)
hoys = wea.hoys
sp_files = sp.to_file(folder,
name,
wea=wea,
hoys=hoys,
leap_year=leap_year,
reverse_vectors=reverse_vectors)
files = [{
'path': os.path.relpath(path, folder),
'full_path': path
} for path in sp_files['suns']]
log_file.write(json.dumps(files))
except Exception:
_logger.exception('Failed to generate sunpath.')
sys.exit(1)
else:
sys.exit(0)
def test_write_to_fie():
sp = Sunpath(location)
lb_sp = LBSunpath.from_location(location)
folder = './tests/assets/temp'
filename = 'sunpath_annual'
sp.to_file(folder, filename)
sp_file = os.path.join(folder, '%s.rad' % filename)
sp_mod_file = os.path.join(folder, '%s.mod' % filename)
assert os.path.isfile(sp_file)
assert os.path.isfile(sp_mod_file)
with open(sp_mod_file) as inf:
for count, _ in enumerate(inf):
pass
lb_tot = [
i for i in range(8760) if lb_sp.calculate_sun_from_hoy(i).is_during_day
]
assert count == len(lb_tot) - 1 # number of suns - 1
with open(sp_file) as inf:
for count, _ in enumerate(inf):
pass
assert count == len(lb_tot) - 1 # number of suns - 1
# check line info
with open(sp_file) as inf:
data = inf.readline().split()
assert data[6] == data[6] == data[6] == '1000000.0'
assert data[-1] == '0.533'
assert float(data[-2]) < 0 # z vector is looking down
def sunpath_from_location(
lat, lon, tz, north, folder, name, log_file, start_date, start_time, end_date,
end_time, timestep, leap_year, reverse_vectors):
"""Generate a non climate-based sunpath for a location.
This command also generates a mod file which includes all the modifiers in sunpath.
mod file is usually used with rcontrib command to indicate the list of modifiers.
Since rcontrib command has a hard limit of 10,000 modifiers in a single run the files
will be broken down into multiple files if number of modifiers is more than 10000
modifiers.
"""
location = Location()
location.latitude = lat
location.longitude = lon
location.time_zone = tz
try:
sp = Sunpath(location, north)
hoys = get_hoys(start_date, start_time, end_date, end_time, timestep, leap_year)
sp_files = sp.to_file(
folder, name, hoys=hoys, leap_year=leap_year, reverse_vectors=reverse_vectors
)
files = [
{'path': os.path.relpath(path, folder), 'full_path': path}
for path in sp_files['suns']
]
log_file.write(json.dumps(files))
except Exception:
_logger.exception('Failed to generate sunpath.')
sys.exit(1)
else:
sys.exit(0)
def test_write_to_file_timestep():
ap = AnalysisPeriod(12, 21, 0, 12, 21, 23, timestep=4)
sp = Sunpath(location)
folder = './tests/assets/temp'
filename = 'sunpath_dec_21_timestep'
sp.to_file(folder, filename, hoys=ap.hoys)
sp_file = os.path.join(folder, '%s.rad' % filename)
sp_mod_file = os.path.join(folder, '%s.mod' % filename)
assert os.path.isfile(sp_file)
assert os.path.isfile(sp_mod_file)
with open(sp_mod_file) as inf:
for count, _ in enumerate(inf):
pass
assert count == 36 # number of suns - 1
with open(sp_file) as inf:
for count, _ in enumerate(inf):
pass
assert count == 36 # number of suns - 1
def test_split_modifiers():
ap = AnalysisPeriod(timestep=4)
sp = Sunpath(location)
lb_sp = LBSunpath.from_location(location)
folder = './tests/assets/temp'
filename = 'sunpath_timestep_4'
sp.to_file(folder, filename, hoys=ap.hoys)
sp_file = os.path.join(folder, '%s.rad' % filename)
sp_mod_files = [
os.path.join(folder, '%s_%d.mod' % (filename, count))
for count in range(2)
]
assert os.path.isfile(sp_file)
lb_tot = [
i for i in ap.hoys if lb_sp.calculate_sun_from_hoy(i).is_during_day
]
sun_count = [int(len(lb_tot) / 2) - 1, int(len(lb_tot) / 2)]
for sp_count, sp_mod_file in enumerate(sp_mod_files):
assert os.path.isfile(sp_mod_file)
with open(sp_mod_file) as inf:
for count, _ in enumerate(inf):
pass
assert count == sun_count[sp_count]
def test_write_to_file_wea():
wea = Wea.from_epw_file(epw_file, timestep=1)
ap = AnalysisPeriod(12, 21, 0, 12, 21, 23, timestep=1)
sp = Sunpath(location)
folder = './tests/assets/temp'
filename = 'sunpath_dec_21_climate_based'
sp.to_file(folder, filename, hoys=ap.hoys, wea=wea)
sp_file = os.path.join(folder, '%s.rad' % filename)
sp_mod_file = os.path.join(folder, '%s.mod' % filename)
assert os.path.isfile(sp_file)
assert os.path.isfile(sp_mod_file)
with open(sp_mod_file) as inf:
for count, _ in enumerate(inf):
pass
assert count == 8 # number of suns - 1
with open(sp_file) as inf:
for count, _ in enumerate(inf):
pass
assert count == 8 # number of suns - 1
# check line info
with open(sp_file) as inf:
data = inf.readline().split()
assert data[6] == data[6] == data[6] != '1000000.0'
def test_invalid_input():
with pytest.raises(AssertionError):
Sunpath('Denver')
def test_creation():
sp = Sunpath(location, 10)
assert sp.location == location
assert sp.north == 10