[pep8] whitespace cleanup in gpssim.py

1 files changed, 30 insertions, 8 deletions

diff --git a/gpssim.py b/gpssim.py
index acf7f3b6..a4dc4a82 100644
--- a/gpssim.py
+++ b/gpssim.py
@@ -11,8 +11,10 @@ import gps, gpslib
 # First, the mathematics.  We simulate a moving viewpoint on the Earth
 # and a satellite with specified orbital elements in the sky.
 
+
 class ksv:
     "Kinematic state vector."
+
     def __init__(self, time=0, lat=0, lon=0, alt=0, course=0,
                  speed=0, climb=0, h_acc=0, v_acc=0):
         self.time = time	# Seconds from epoch
@@ -24,11 +26,12 @@ class ksv:
         self.climb = climb	# Meters per second
         self.h_acc = h_acc	# Meters per second per second
         self.v_acc = v_acc	# Meters per second per second
+
     def next(self, quantum=1):
         "State after quantum."
         self.time += quantum
-        avspeed = (2*self.speed + self.h_acc*quantum)/2
-        avclimb = (2*self.climb + self.v_acc*quantum)/2
+        avspeed = (2 * self.speed + self.h_acc * quantum) / 2
+        avclimb = (2 * self.climb + self.v_acc * quantum) / 2
         self.alt += avclimb * quantum
         self.speed += self.h_acc * quantum
         self.climb += self.v_acc * quantum
@@ -43,11 +46,11 @@ class ksv:
         lat = gps.Deg2Rad(self.lat)
         lon = gps.Deg2Rad(self.lon)
         lat += distance * math.cos(tc)
-        dphi = math.log(math.tan(lat/2+math.pi/4)/math.tan(self.lat/2+math.pi/4))
-        if abs(lat-self.lat) < math.sqrt(1e-15):
+        dphi = math.log(math.tan(lat / 2 + math.pi / 4) / math.tan(self.lat / 2 + math.pi / 4))
+        if abs(lat - self.lat) < math.sqrt(1e-15):
             q = math.cos(self.lat)
         else:
-            q = (lat-self.lat)/dphi
+            q = (lat - self.lat) / dphi
         dlon = -distance * math.sin(tc) / q
         self.lon = gps.Rad2Deg(math.mod(lon + dlon + math.pi, 2 * math.pi) - math.pi)
         self.lat = gps.Rad2Deg(lat)
@@ -57,10 +60,13 @@ class ksv:
 # Orbital theory at:
 # <http://www.wolffdata.se/gps/gpshtml/anomalies.html>
 
+
 class satellite:
     "Orbital elements of one satellite. PRESENTLY A STUB"
+
     def __init__(self, prn):
         self.prn = prn
+
     def position(self, time):
         "Return right ascension and declination of satellite,"
         pass
@@ -70,18 +76,22 @@ class satellite:
 # sammples that might be reported by a GPS, and calls a reporting
 # class to generate output.
 
+
 class gpssimException(exceptions.Exception):
     def __init__(self, message, filename, lineno):
         exceptions.Exception.__init__(self)
         self.message = message
         self.filename = filename
         self.lineno = lineno
+
     def __str__(self):
         return '"%s", %d:' % (self.filename, self.lineno)
 
+
 class gpssim:
     "Simulate a moving sensor, with skyview."
-    active_PRNs = range(1, 24+1) + [134,]
+    active_PRNs = range(1, 24 + 1) + [134, ]
+
     def __init__(self, outfmt):
         self.ksv = ksv()
         self.ephemeris = {}
@@ -99,6 +109,7 @@ class gpssim:
         self.satellites_used = 0
         self.filename = None
         self.lineno = 0
+
     def parse_tdl(self, line):
         "Interpret one TDL directive."
         line = line.strip()
@@ -127,14 +138,14 @@ class gpssim:
         elif command == "status":
             try:
                 code = fields[1]
-                self.status = {"no_fix":0, "fix":1, "dgps_fix":2}[code.lower()]
+                self.status = {"no_fix": 0, "fix": 1, "dgps_fix": 2}[code.lower()]
             except KeyError:
                 raise gpssimException("invalid status code '%s'" % code,
                                       self.filename, self.lineno)
         elif command == "mode":
             try:
                 code = fields[1]
-                self.status = {"no_fix":1, "2d":2, "3d":3}[code.lower()]
+                self.status = {"no_fix": 1, "2d": 2, "3d": 3}[code.lower()]
             except KeyError:
                 raise gpssimException("invalid mode code '%s'" % code,
                                       self.filename, self.lineno)
@@ -147,6 +158,7 @@ class gpssim:
                                   self.filename, self.lineno)
         # FIX-ME: add syntax for ephemeris elements
         self.lineno += 1
+
     def filter(self, inp, outp):
         "Make this a filter for file-like objects."
         self.filename = input.name
@@ -154,6 +166,7 @@ class gpssim:
         self.output = outp
         for line in inp:
             self.execute(line)
+
     def go(self, seconds):
         "Run the simulation for a specified number of seconds."
         for i in range(seconds):
@@ -172,11 +185,14 @@ class gpssim:
 
 MPS_TO_KNOTS = 1.9438445	# Meters per second to knots
 
+
 class NMEA:
     "NMEA output generator."
+
     def __init__(self):
         self.sentences = ("RMC", "GGA",)
         self.counter = 0
+
     def add_checksum(self, mstr):
         "Concatenate NMEA checksum and trailer to a string"
         csum = 0
@@ -186,10 +202,12 @@ class NMEA:
             csum ^= ord(c)
         mstr += "*%02X\r\n" % csum
         return mstr
+
     def degtodm(self, angle):
         "Decimal degrees to GPS-style, degrees first followed by minutes."
         (fraction, _integer) = math.modf(angle)
         return math.floor(angle) * 100 + fraction * 60
+
     def GGA(self, sim):
         "Emit GGA sentence describing the simulation state."
         tm = time.gmtime(sim.ksv.time)
@@ -215,6 +233,7 @@ class NMEA:
         gga += ","
         # DGPS station ID goes here
         return self.add_checksum(gga)
+
     def GLL(self, sim):
         "Emit GLL sentence describing the simulation state."
         tm = time.gmtime(sim.ksv.time)
@@ -229,6 +248,7 @@ class NMEA:
             )
             # FAA mode indicator could go after these fields.
         return self.add_checksum(gll)
+
     def RMC(self, sim):
         "Emit RMC sentence describing the simulation state."
         tm = time.gmtime(sim.ksv.time)
@@ -249,6 +269,7 @@ class NMEA:
         rmc += ",,"
         # FAA mode goes here
         return self.add_checksum(rmc)
+
     def ZDA(self, sim):
         "Emit ZDA sentence describing the simulation state."
         tm = time.gmtime(sim.ksv.time)
@@ -265,6 +286,7 @@ class NMEA:
         # Local zone minutes description goes here
         zda += ","
         return self.add_checksum(zda)
+
     def report(self, sim):
         "Report the simulation state."
         out = ""