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galactics/beyond | beyond/frames/stations.py | create_station | def create_station(name, latlonalt, parent_frame=WGS84, orientation='N', mask=None):
"""Create a ground station instance
Args:
name (str): Name of the station
latlonalt (tuple of float): coordinates of the station, as follow:
* Latitude in degrees
* Longitude in degree... | python | def create_station(name, latlonalt, parent_frame=WGS84, orientation='N', mask=None):
"""Create a ground station instance
Args:
name (str): Name of the station
latlonalt (tuple of float): coordinates of the station, as follow:
* Latitude in degrees
* Longitude in degree... | [
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Args:
name (str): Name of the station
latlonalt (tuple of float): coordinates of the station, as follow:
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* Longitude in degrees
* Altitude to sea level in meters
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galactics/beyond | beyond/frames/stations.py | TopocentricFrame.visibility | def visibility(cls, orb, **kwargs):
"""Visibility from a topocentric frame
see :py:meth:`Propagator.iter() <beyond.propagators.base.Propagator.iter>`
for description of arguments handling.
Args:
orb (Orbit): Orbit to compute visibility from the station with
Keyword... | python | def visibility(cls, orb, **kwargs):
"""Visibility from a topocentric frame
see :py:meth:`Propagator.iter() <beyond.propagators.base.Propagator.iter>`
for description of arguments handling.
Args:
orb (Orbit): Orbit to compute visibility from the station with
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see :py:meth:`Propagator.iter() <beyond.propagators.base.Propagator.iter>`
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galactics/beyond | beyond/frames/stations.py | TopocentricFrame._to_parent_frame | def _to_parent_frame(self, *args, **kwargs):
"""Conversion from Topocentric Frame to parent frame
"""
lat, lon, _ = self.latlonalt
m = rot3(-lon) @ rot2(lat - np.pi / 2.) @ rot3(self.heading)
offset = np.zeros(6)
offset[:3] = self.coordinates
return self._convert(... | python | def _to_parent_frame(self, *args, **kwargs):
"""Conversion from Topocentric Frame to parent frame
"""
lat, lon, _ = self.latlonalt
m = rot3(-lon) @ rot2(lat - np.pi / 2.) @ rot3(self.heading)
offset = np.zeros(6)
offset[:3] = self.coordinates
return self._convert(... | [
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galactics/beyond | beyond/frames/stations.py | TopocentricFrame._geodetic_to_cartesian | def _geodetic_to_cartesian(cls, lat, lon, alt):
"""Conversion from latitude, longitude and altitude coordinates to
cartesian with respect to an ellipsoid
Args:
lat (float): Latitude in radians
lon (float): Longitude in radians
alt (float): Altitude to sea lev... | python | def _geodetic_to_cartesian(cls, lat, lon, alt):
"""Conversion from latitude, longitude and altitude coordinates to
cartesian with respect to an ellipsoid
Args:
lat (float): Latitude in radians
lon (float): Longitude in radians
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galactics/beyond | beyond/frames/stations.py | TopocentricFrame.get_mask | def get_mask(cls, azim):
"""Linear interpolation between two points of the mask
"""
if cls.mask is None:
raise ValueError("No mask defined for the station {}".format(cls.name))
azim %= 2 * np.pi
if azim in cls.mask[0, :]:
return cls.mask[1, np.where(azi... | python | def get_mask(cls, azim):
"""Linear interpolation between two points of the mask
"""
if cls.mask is None:
raise ValueError("No mask defined for the station {}".format(cls.name))
azim %= 2 * np.pi
if azim in cls.mask[0, :]:
return cls.mask[1, np.where(azi... | [
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galactics/beyond | beyond/env/solarsystem.py | get_body | def get_body(name):
"""Retrieve a given body orbits and parameters
Args:
name (str): Object name
Return:
Body:
"""
try:
body, propag = _bodies[name.lower()]
# attach a propagator to the object
body.propagate = propag.propagate
except KeyError as e:
... | python | def get_body(name):
"""Retrieve a given body orbits and parameters
Args:
name (str): Object name
Return:
Body:
"""
try:
body, propag = _bodies[name.lower()]
# attach a propagator to the object
body.propagate = propag.propagate
except KeyError as e:
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galactics/beyond | beyond/env/solarsystem.py | MoonPropagator.propagate | def propagate(cls, date):
"""Compute the Moon position at a given date
Args:
date (~beyond.utils.date.Date)
Return:
~beyond.orbits.orbit.Orbit: Position of the Moon in EME2000 frame
Example:
.. code-block:: python
from beyond.utils.d... | python | def propagate(cls, date):
"""Compute the Moon position at a given date
Args:
date (~beyond.utils.date.Date)
Return:
~beyond.orbits.orbit.Orbit: Position of the Moon in EME2000 frame
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.. code-block:: python
from beyond.utils.d... | [
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galactics/beyond | beyond/env/solarsystem.py | SunPropagator.propagate | def propagate(cls, date):
"""Compute the position of the sun at a given date
Args:
date (~beyond.utils.date.Date)
Return:
~beyond.orbits.orbit.Orbit: Position of the sun in MOD frame
Example:
.. code-block:: python
from beyond.util... | python | def propagate(cls, date):
"""Compute the position of the sun at a given date
Args:
date (~beyond.utils.date.Date)
Return:
~beyond.orbits.orbit.Orbit: Position of the sun in MOD frame
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galactics/beyond | beyond/propagators/base.py | Propagator.iter | def iter(self, **kwargs):
"""Compute a range of orbits between two dates
Keyword Arguments:
dates (list of :py:class:`~beyond.dates.date.Date`): Dates from which iterate over
start (Date or None): Date of the first point
stop (Date, timedelta or None): Date of the la... | python | def iter(self, **kwargs):
"""Compute a range of orbits between two dates
Keyword Arguments:
dates (list of :py:class:`~beyond.dates.date.Date`): Dates from which iterate over
start (Date or None): Date of the first point
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galactics/beyond | beyond/env/jpl.py | get_orbit | def get_orbit(name, date):
"""Retrieve the orbit of a solar system object
Args:
name (str): The name of the body desired. For exact nomenclature, see
:py:func:`available_planets`
date (Date): Date at which the state vector will be extracted
Return:
Orbit: Orbit of the de... | python | def get_orbit(name, date):
"""Retrieve the orbit of a solar system object
Args:
name (str): The name of the body desired. For exact nomenclature, see
:py:func:`available_planets`
date (Date): Date at which the state vector will be extracted
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galactics/beyond | beyond/env/jpl.py | create_frames | def create_frames(until=None):
"""Create frames available in the JPL files
Args:
until (str): Name of the body you want to create the frame of, and all frames in between.
If ``None`` all the frames available in the .bsp files will be created
Example:
.. code-block:: pytho... | python | def create_frames(until=None):
"""Create frames available in the JPL files
Args:
until (str): Name of the body you want to create the frame of, and all frames in between.
If ``None`` all the frames available in the .bsp files will be created
Example:
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galactics/beyond | beyond/env/jpl.py | get_body | def get_body(name):
"""Retrieve the Body structure of a JPL .bsp file object
Args:
name (str)
Return:
:py:class:`~beyond.constants.Body`
"""
body = Pck()[name]
body.propagate = lambda date: get_orbit(name, date)
return body | python | def get_body(name):
"""Retrieve the Body structure of a JPL .bsp file object
Args:
name (str)
Return:
:py:class:`~beyond.constants.Body`
"""
body = Pck()[name]
body.propagate = lambda date: get_orbit(name, date)
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galactics/beyond | beyond/env/jpl.py | Bsp.open | def open(self):
"""Open the files
"""
segments = []
files = config.get('env', 'jpl', fallback=[])
if not files:
raise JplConfigError("No JPL file defined")
# Extraction of segments from each .bsp file
for filepath in files:
filepath = P... | python | def open(self):
"""Open the files
"""
segments = []
files = config.get('env', 'jpl', fallback=[])
if not files:
raise JplConfigError("No JPL file defined")
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galactics/beyond | beyond/env/jpl.py | Bsp.get | def get(self, center, target, date):
"""Retrieve the position and velocity of a target with respect to a center
Args:
center (Target):
target (Target):
date (Date):
Return:
numpy.array: length-6 array position and velocity (in m and m/s) of the
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"""Retrieve the position and velocity of a target with respect to a center
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center (Target):
target (Target):
date (Date):
Return:
numpy.array: length-6 array position and velocity (in m and m/s) of the
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galactics/beyond | beyond/propagators/__init__.py | get_propagator | def get_propagator(name):
"""Retrieve a named propagator
Args:
name (str): Name of the desired propagator
Return:
Propagator class
"""
from .sgp4 import Sgp4
from .sgp4beta import Sgp4Beta
scope = locals().copy()
scope.update(globals())
if name not in scope:
... | python | def get_propagator(name):
"""Retrieve a named propagator
Args:
name (str): Name of the desired propagator
Return:
Propagator class
"""
from .sgp4 import Sgp4
from .sgp4beta import Sgp4Beta
scope = locals().copy()
scope.update(globals())
if name not in scope:
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galactics/beyond | beyond/orbits/listeners.py | stations_listeners | def stations_listeners(stations):
"""Function for creating listeners for a a list of station
Args:
stations (iterable): List of TopocentricFrame
Return:
list of Listener
"""
stations = stations if isinstance(stations, (list, tuple)) else [stations]
listeners = []
for sta in... | python | def stations_listeners(stations):
"""Function for creating listeners for a a list of station
Args:
stations (iterable): List of TopocentricFrame
Return:
list of Listener
"""
stations = stations if isinstance(stations, (list, tuple)) else [stations]
listeners = []
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galactics/beyond | beyond/orbits/listeners.py | Speaker._bisect | def _bisect(self, begin, end, listener):
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Args:
begin (Orbit):
end (Orbit)
listener (Listener)
Return
Return
"""
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"""This method search for the zero-crossing of the watched parameter
Args:
begin (Orbit):
end (Orbit)
listener (Listener)
Return
Return
"""
step = (end.date - begin.date) / 2
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galactics/beyond | beyond/orbits/listeners.py | Listener.check | def check(self, orb):
"""Method that check whether or not the listener is triggered
Args:
orb (Orbit):
Return:
bool: True if there is a zero-crossing for the parameter watched by the listener
"""
return self.prev is not None and np.sign(self(orb)) != np... | python | def check(self, orb):
"""Method that check whether or not the listener is triggered
Args:
orb (Orbit):
Return:
bool: True if there is a zero-crossing for the parameter watched by the listener
"""
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galactics/beyond | beyond/orbits/forms.py | Form._m_to_e | def _m_to_e(cls, e, M):
"""Conversion from Mean Anomaly to Eccentric anomaly
Procedures for solving Kepler's Equation, A. W. Odell and R. H. Gooding,
Celestial Mechanics 38 (1986) 307-334
"""
k1 = 3 * np.pi + 2
k2 = np.pi - 1
k3 = 6 * np.pi - 1
A = 3 * ... | python | def _m_to_e(cls, e, M):
"""Conversion from Mean Anomaly to Eccentric anomaly
Procedures for solving Kepler's Equation, A. W. Odell and R. H. Gooding,
Celestial Mechanics 38 (1986) 307-334
"""
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galactics/beyond | beyond/orbits/forms.py | Form._cartesian_to_spherical | def _cartesian_to_spherical(cls, coord, center):
"""Cartesian to Spherical conversion
.. warning:: The spherical form is equatorial, not zenithal
"""
x, y, z, vx, vy, vz = coord
r = np.linalg.norm(coord[:3])
phi = arcsin(z / r)
theta = arctan2(y, x)
r_do... | python | def _cartesian_to_spherical(cls, coord, center):
"""Cartesian to Spherical conversion
.. warning:: The spherical form is equatorial, not zenithal
"""
x, y, z, vx, vy, vz = coord
r = np.linalg.norm(coord[:3])
phi = arcsin(z / r)
theta = arctan2(y, x)
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galactics/beyond | beyond/orbits/forms.py | Form._spherical_to_cartesian | def _spherical_to_cartesian(cls, coord, center):
"""Spherical to cartesian conversion
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r, theta, phi, r_dot, theta_dot, phi_dot = coord
x = r * cos(phi) * cos(theta)
y = r * cos(phi) * sin(theta)
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"""Spherical to cartesian conversion
"""
r, theta, phi, r_dot, theta_dot, phi_dot = coord
x = r * cos(phi) * cos(theta)
y = r * cos(phi) * sin(theta)
z = r * sin(phi)
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galactics/beyond | beyond/orbits/ephem.py | Ephem.interpolate | def interpolate(self, date, method=None, order=None):
"""Interpolate data at a given date
Args:
date (Date):
method (str): Method of interpolation to use
order (int): In case of ``LAGRANGE`` method is used
Return:
Orbit:
"""
if no... | python | def interpolate(self, date, method=None, order=None):
"""Interpolate data at a given date
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date (Date):
method (str): Method of interpolation to use
order (int): In case of ``LAGRANGE`` method is used
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Orbit:
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galactics/beyond | beyond/orbits/ephem.py | Ephem.iter | def iter(self, *, dates=None, start=None, stop=None, step=None, strict=True, **kwargs):
"""Ephemeris generator based on the data of this one, but with different dates
Keyword Arguments:
dates (list of :py:class:`~beyond.dates.date.Date`): Dates from which iterate over
start (Dat... | python | def iter(self, *, dates=None, start=None, stop=None, step=None, strict=True, **kwargs):
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galactics/beyond | beyond/orbits/ephem.py | Ephem.ephem | def ephem(self, *args, **kwargs):
"""Create an Ephem object which is a subset of this one
Take the same keyword arguments as :py:meth:`ephemeris`
Return:
Ephem:
"""
return self.__class__(self.ephemeris(*args, **kwargs)) | python | def ephem(self, *args, **kwargs):
"""Create an Ephem object which is a subset of this one
Take the same keyword arguments as :py:meth:`ephemeris`
Return:
Ephem:
"""
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galactics/beyond | beyond/orbits/ephem.py | Ephem.copy | def copy(self, *, form=None, frame=None): # pragma: no cover
"""Create a deep copy of the ephemeris, and allow frame and form changing
"""
new = self.ephem()
if frame:
new.frame = frame
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galactics/beyond | beyond/utils/ccsds.py | loads | def loads(text):
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Args:
text (str):
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text (str):
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galactics/beyond | beyond/utils/ccsds.py | dumps | def dumps(data, **kwargs):
"""Create a string CCSDS representation of the object
Same arguments and behaviour as :py:func:`dump`
"""
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galactics/beyond | beyond/utils/ccsds.py | _float | def _float(value):
"""Conversion of state vector field, with automatic unit handling
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galactics/beyond | beyond/frames/iau2010.py | _tab | def _tab(element):
"""Extraction and caching of IAU2000 nutation coefficients
"""
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'y': 'tab5.2b.txt',
's': 'tab5.2d.txt'
}
if element.lower() not in elements.keys():
raise ValueError('Unknown element \'%s\'' % element)
filepath ... | python | def _tab(element):
"""Extraction and caching of IAU2000 nutation coefficients
"""
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'y': 'tab5.2b.txt',
's': 'tab5.2d.txt'
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galactics/beyond | beyond/frames/iau2010.py | _earth_orientation | def _earth_orientation(date):
"""Earth orientation parameters in degrees
"""
ttt = date.change_scale('TT').julian_century
# a_a = 0.12
# a_c = 0.26
# s_prime = -0.0015 * (a_c ** 2 / 1.2 + a_a ** 2) * ttt
s_prime = - 0.000047 * ttt
return date.eop.x / 3600., date.eop.y / 3600., s_prime ... | python | def _earth_orientation(date):
"""Earth orientation parameters in degrees
"""
ttt = date.change_scale('TT').julian_century
# a_a = 0.12
# a_c = 0.26
# s_prime = -0.0015 * (a_c ** 2 / 1.2 + a_a ** 2) * ttt
s_prime = - 0.000047 * ttt
return date.eop.x / 3600., date.eop.y / 3600., s_prime ... | [
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galactics/beyond | beyond/frames/iau2010.py | earth_orientation | def earth_orientation(date):
"""Earth orientation as a rotating matrix
"""
x_p, y_p, s_prime = np.deg2rad(_earth_orientation(date))
return rot3(-s_prime) @ rot2(x_p) @ rot1(y_p) | python | def earth_orientation(date):
"""Earth orientation as a rotating matrix
"""
x_p, y_p, s_prime = np.deg2rad(_earth_orientation(date))
return rot3(-s_prime) @ rot2(x_p) @ rot1(y_p) | [
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galactics/beyond | beyond/frames/iau2010.py | _xys | def _xys(date):
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Args:
date (Date):
Return:
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"""
X, Y, s_xy2 = _xysxy2(date)
# convert milli-arcsecond to arcsecond
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# Convert arcsecond... | python | def _xys(date):
"""Get The X, Y and s coordinates
Args:
date (Date):
Return:
3-tuple of float: Values of X, Y and s, in radians
"""
X, Y, s_xy2 = _xysxy2(date)
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galactics/beyond | beyond/propagators/sgp4.py | Sgp4.orbit | def orbit(self, orbit):
"""Initialize the propagator
Args:
orbit (Orbit)
"""
self._orbit = orbit
tle = Tle.from_orbit(orbit)
lines = tle.text.splitlines()
if len(lines) == 3:
_, line1, line2 = lines
else:
line1, line2... | python | def orbit(self, orbit):
"""Initialize the propagator
Args:
orbit (Orbit)
"""
self._orbit = orbit
tle = Tle.from_orbit(orbit)
lines = tle.text.splitlines()
if len(lines) == 3:
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galactics/beyond | beyond/propagators/sgp4.py | Sgp4.propagate | def propagate(self, date):
"""Propagate the initialized orbit
Args:
date (Date or datetime.timedelta)
Return:
Orbit
"""
if type(date) is timedelta:
date = self.orbit.date + date
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"""Propagate the initialized orbit
Args:
date (Date or datetime.timedelta)
Return:
Orbit
"""
if type(date) is timedelta:
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galactics/beyond | beyond/frames/local.py | to_tnw | def to_tnw(orbit):
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Args:
orbit (list): Array of length 6
Return:
numpy.ndarray: matrix to convert from inertial frame to TNW.
>>> delta_tnw ... | python | def to_tnw(orbit):
"""In the TNW Local Orbital Reference Frame, x is oriented along the velocity vector,
z along the angular momentum, and y complete the frame.
Args:
orbit (list): Array of length 6
Return:
numpy.ndarray: matrix to convert from inertial frame to TNW.
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galactics/beyond | beyond/frames/local.py | to_qsw | def to_qsw(orbit):
"""In the QSW Local Orbital Reference Frame, x is oriented along the position vector,
z along the angular momentum, and y complete the frame.
The frame is sometimes also called RSW (where R stands for radial) or LVLH (Local
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Args:
orbit (list):... | python | def to_qsw(orbit):
"""In the QSW Local Orbital Reference Frame, x is oriented along the position vector,
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galactics/beyond | beyond/orbits/tle.py | _float | def _float(text):
"""Fonction to convert the 'decimal point assumed' format of TLE to actual
float
>>> _float('0000+0')
0.0
>>> _float('+0000+0')
0.0
>>> _float('34473-3')
0.00034473
>>> _float('-60129-4')
-6.0129e-05
>>> _float('+45871-4')
4.5871e-05
"""
text ... | python | def _float(text):
"""Fonction to convert the 'decimal point assumed' format of TLE to actual
float
>>> _float('0000+0')
0.0
>>> _float('+0000+0')
0.0
>>> _float('34473-3')
0.00034473
>>> _float('-60129-4')
-6.0129e-05
>>> _float('+45871-4')
4.5871e-05
"""
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galactics/beyond | beyond/orbits/tle.py | _unfloat | def _unfloat(flt, precision=5):
"""Function to convert float to 'decimal point assumed' format
>>> _unfloat(0)
'00000-0'
>>> _unfloat(3.4473e-4)
'34473-3'
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>>> _unfloat(4.5871e-05)
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if flt == 0.:
return "{}-0".format(... | python | def _unfloat(flt, precision=5):
"""Function to convert float to 'decimal point assumed' format
>>> _unfloat(0)
'00000-0'
>>> _unfloat(3.4473e-4)
'34473-3'
>>> _unfloat(-6.0129e-05)
'-60129-4'
>>> _unfloat(4.5871e-05)
'45871-4'
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galactics/beyond | beyond/orbits/tle.py | Tle._check_validity | def _check_validity(cls, text):
"""Check the validity of a TLE
Args:
text (tuple of str)
Raise:
ValueError
"""
if not text[0].lstrip().startswith('1 ') or not text[1].lstrip().startswith('2 '):
raise ValueError("Line number check failed")
... | python | def _check_validity(cls, text):
"""Check the validity of a TLE
Args:
text (tuple of str)
Raise:
ValueError
"""
if not text[0].lstrip().startswith('1 ') or not text[1].lstrip().startswith('2 '):
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galactics/beyond | beyond/orbits/tle.py | Tle._checksum | def _checksum(cls, line):
"""Compute the checksum of a full line
Args:
line (str): Line to compute the checksum from
Return:
int: Checksum (modulo 10)
"""
tr_table = str.maketrans({c: None for c in ascii_uppercase + "+ ."})
no_letters = line[:68].... | python | def _checksum(cls, line):
"""Compute the checksum of a full line
Args:
line (str): Line to compute the checksum from
Return:
int: Checksum (modulo 10)
"""
tr_table = str.maketrans({c: None for c in ascii_uppercase + "+ ."})
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galactics/beyond | beyond/orbits/tle.py | Tle.orbit | def orbit(self):
"""Convert TLE to Orbit object, in order to make computations on it
Return:
~beyond.orbits.orbit.Orbit:
"""
data = {
'bstar': self.bstar,
'ndot': self.ndot,
'ndotdot': self.ndotdot,
'tle': self.text
}
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"""Convert TLE to Orbit object, in order to make computations on it
Return:
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data = {
'bstar': self.bstar,
'ndot': self.ndot,
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galactics/beyond | beyond/orbits/tle.py | Tle.from_string | def from_string(cls, text, comments="#", error="warn"):
"""Generator of TLEs from a string
Args:
text (str): A text containing many TLEs
comments (str): If a line starts with this character, it is ignored
error (str): How to handle errors while parsing the text. Coul... | python | def from_string(cls, text, comments="#", error="warn"):
"""Generator of TLEs from a string
Args:
text (str): A text containing many TLEs
comments (str): If a line starts with this character, it is ignored
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galactics/beyond | beyond/frames/frames.py | orbit2frame | def orbit2frame(name, ref_orbit, orientation=None, center=None, bypass=False):
"""Create a frame based on a Orbit or Ephem object.
Args:
name (str): Name to give the created frame
ref_orbit (Orbit or Ephem):
orientation (str): Orientation of the created frame
bypass (bool): By-p... | python | def orbit2frame(name, ref_orbit, orientation=None, center=None, bypass=False):
"""Create a frame based on a Orbit or Ephem object.
Args:
name (str): Name to give the created frame
ref_orbit (Orbit or Ephem):
orientation (str): Orientation of the created frame
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galactics/beyond | beyond/frames/frames.py | Frame.transform | def transform(self, new_frame):
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Args:
new_frame (str)
Return:
numpy.ndarray
"""
steps = self.__class__.steps(new_frame)
orbit = self.orbit
for _from, _to in steps:
from_obj = _from(self.date... | python | def transform(self, new_frame):
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Args:
new_frame (str)
Return:
numpy.ndarray
"""
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galactics/beyond | beyond/dates/date.py | Timescale._scale_tdb_minus_tt | def _scale_tdb_minus_tt(self, mjd, eop):
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galactics/beyond | beyond/dates/date.py | Timescale.offset | def offset(self, mjd, new_scale, eop):
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Args:
mjd (float):
new_scale (str): Name of the desired scale
Return:
float: offset to apply in seconds
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delta = 0
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mjd (float):
new_scale (str): Name of the desired scale
Return:
float: offset to apply in seconds
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galactics/beyond | beyond/dates/date.py | Date.datetime | def datetime(self):
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galactics/beyond | beyond/dates/date.py | Date.strptime | def strptime(cls, data, format, scale=DEFAULT_SCALE): # pragma: no cover
"""Convert a string representation of a date to a Date object
"""
return cls(datetime.strptime(data, format), scale=scale) | python | def strptime(cls, data, format, scale=DEFAULT_SCALE): # pragma: no cover
"""Convert a string representation of a date to a Date object
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galactics/beyond | beyond/dates/date.py | Date.range | def range(cls, start=None, stop=None, step=None, inclusive=False):
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Args:
start (Date):
stop (Date or datetime.timedelta)!
step (timedelta):
Keyword Args:
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start (Date):
stop (Date or datetime.timedelta)!
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galactics/beyond | beyond/propagators/kepler.py | Kepler._newton | def _newton(self, orb, step):
"""Newton's Law of Universal Gravitation
"""
date = orb.date + step
new_body = zeros(6)
new_body[:3] = orb[3:]
for body in self.bodies:
# retrieve the position of the body at the given date
orb_body = body.propagate... | python | def _newton(self, orb, step):
"""Newton's Law of Universal Gravitation
"""
date = orb.date + step
new_body = zeros(6)
new_body[:3] = orb[3:]
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galactics/beyond | beyond/propagators/kepler.py | Kepler._make_step | def _make_step(self, orb, step):
"""Compute the next step with the selected method
"""
method = self.BUTCHER[self.method]
a, b, c = method['a'], method['b'], method['c']
y_n = orb.copy()
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for a, c in zip(a[1:], c[1:]):
... | python | def _make_step(self, orb, step):
"""Compute the next step with the selected method
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method = self.BUTCHER[self.method]
a, b, c = method['a'], method['b'], method['c']
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galactics/beyond | beyond/propagators/kepler.py | SOIPropagator._soi | def _soi(self, orb):
"""Evaluate the need for SOI transition, by comparing the radial distance
between the considered body and the spacecraft
If therer is no body in sight, default to central body.
"""
for body in self.alt:
soi = self.SOI[body.name]
sph ... | python | def _soi(self, orb):
"""Evaluate the need for SOI transition, by comparing the radial distance
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If therer is no body in sight, default to central body.
"""
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galactics/beyond | beyond/propagators/kepler.py | SOIPropagator._change_soi | def _change_soi(self, body):
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"""
if body == self.central:
self.bodies = [self.central]
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self.active ... | python | def _change_soi(self, body):
"""Modify the inner parameters of the Kepler propagator in order to place
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galactics/beyond | beyond/dates/eop.py | register | def register(name=EopDb.DEFAULT_DBNAME):
"""Decorator for registering an Eop Database
Example:
.. code-block:: python
@register
class SqliteEnvDatabase:
# sqlite implementation
# this database will be known as 'default'
@register('json')
class Json... | python | def register(name=EopDb.DEFAULT_DBNAME):
"""Decorator for registering an Eop Database
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.. code-block:: python
@register
class SqliteEnvDatabase:
# sqlite implementation
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galactics/beyond | beyond/dates/eop.py | TaiUtc.get_last_next | def get_last_next(self, date):
"""Provide the last and next leap-second events relative to a date
Args:
date (float): Date in MJD
Return:
tuple:
"""
past, future = (None, None), (None, None)
for mjd, value in reversed(self.data):
if m... | python | def get_last_next(self, date):
"""Provide the last and next leap-second events relative to a date
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date (float): Date in MJD
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galactics/beyond | beyond/dates/eop.py | EopDb.db | def db(cls, dbname=None):
"""Retrieve the database
Args:
dbname: Specify the name of the database to retrieve. If set to `None`, take the name
from the configuration (see :ref:`configuration <eop-dbname>`)
Return:
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Args:
dbname: Specify the name of the database to retrieve. If set to `None`, take the name
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galactics/beyond | beyond/dates/eop.py | EopDb.get | def get(cls, mjd: float, dbname: str = None) -> Eop:
"""Retrieve Earth Orientation Parameters and timescales differences
for a given date
Args:
mjd: Date expressed as Mean Julian Date
dbname: Name of the database to use
Return:
Eop: Interpolated data ... | python | def get(cls, mjd: float, dbname: str = None) -> Eop:
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mjd: Date expressed as Mean Julian Date
dbname: Name of the database to use
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galactics/beyond | beyond/dates/eop.py | EopDb.register | def register(cls, klass, name=DEFAULT_DBNAME):
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The only requirement of this database is that it should have ``__getitem__``
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"""
if name in cls._dbs:
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"""Register an Eop Database
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galactics/beyond | beyond/frames/iau1980.py | _tab | def _tab(max_i=None):
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filepath = Path(__file__).parent / "data" / "tab5.1.txt"
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"""Extraction and caching of IAU1980 nutation coefficients
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galactics/beyond | beyond/frames/iau1980.py | _precesion | def _precesion(date):
"""Precession in degrees
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t = date.change_scale('TT').julian_century
zeta = (2306.2181 * t + 0.30188 * t ** 2 + 0.017998 * t ** 3) / 3600.
theta = (2004.3109 * t - 0.42665 * t ** 2 - 0.041833 * t ** 3) / 3600.
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"""Precession in degrees
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t = date.change_scale('TT').julian_century
zeta = (2306.2181 * t + 0.30188 * t ** 2 + 0.017998 * t ** 3) / 3600.
theta = (2004.3109 * t - 0.42665 * t ** 2 - 0.041833 * t ** 3) / 3600.
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galactics/beyond | beyond/frames/iau1980.py | precesion | def precesion(date): # pragma: no cover
"""Precession as a rotation matrix
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zeta, theta, z = np.deg2rad(_precesion(date))
return rot3(zeta) @ rot2(-theta) @ rot3(z) | python | def precesion(date): # pragma: no cover
"""Precession as a rotation matrix
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zeta, theta, z = np.deg2rad(_precesion(date))
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galactics/beyond | beyond/frames/iau1980.py | _nutation | def _nutation(date, eop_correction=True, terms=106):
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terms (int)
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tuple : 3... | python | def _nutation(date, eop_correction=True, terms=106):
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galactics/beyond | beyond/frames/iau1980.py | nutation | def nutation(date, eop_correction=True, terms=106): # pragma: no cover
"""Nutation as a rotation matrix
"""
epsilon_bar, delta_psi, delta_eps = np.deg2rad(_nutation(date, eop_correction, terms))
epsilon = epsilon_bar + delta_eps
return rot1(-epsilon_bar) @ rot3(delta_psi) @ rot1(epsilon) | python | def nutation(date, eop_correction=True, terms=106): # pragma: no cover
"""Nutation as a rotation matrix
"""
epsilon_bar, delta_psi, delta_eps = np.deg2rad(_nutation(date, eop_correction, terms))
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galactics/beyond | beyond/frames/iau1980.py | equinox | def equinox(date, eop_correction=True, terms=106, kinematic=True):
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epsilon_bar, delta_psi, delta_eps = _nutation(date, eop_correction, terms)
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# Starting 1992-02-... | python | def equinox(date, eop_correction=True, terms=106, kinematic=True):
"""Equinox equation in degrees
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epsilon_bar, delta_psi, delta_eps = _nutation(date, eop_correction, terms)
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galactics/beyond | beyond/frames/iau1980.py | _sideral | def _sideral(date, longitude=0., model='mean', eop_correction=True, terms=106):
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Args:
date (Date):
longitude (float): Longitude of the observer (in degrees)
East positive/West negative.
model (str): 'mean' or 'apparent' for GMST and ... | python | def _sideral(date, longitude=0., model='mean', eop_correction=True, terms=106):
"""Get the sideral time at a defined date
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date (Date):
longitude (float): Longitude of the observer (in degrees)
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galactics/beyond | beyond/frames/iau1980.py | sideral | def sideral(date, longitude=0., model='mean', eop_correction=True, terms=106): # pragma: no cover
"""Sideral time as a rotation matrix
"""
theta = _sideral(date, longitude, model, eop_correction, terms)
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"""Sideral time as a rotation matrix
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galactics/beyond | beyond/orbits/man.py | Maneuver.dv | def dv(self, orb):
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Args:
orb (Orbit):
Return:
numpy.array: Velocity increment, length 3
"""
orb = orb.copy(form="cartesian")
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mat = t... | python | def dv(self, orb):
"""Computation of the velocity increment in the reference frame of the orbit
Args:
orb (Orbit):
Return:
numpy.array: Velocity increment, length 3
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galactics/beyond | beyond/orbits/orbit.py | Orbit.copy | def copy(self, *, frame=None, form=None):
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frame (str or Frame): Frame to convert the new instance into
form (str or Form): Form to convert the new instance into
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galactics/beyond | beyond/orbits/orbit.py | Orbit.propagate | def propagate(self, date):
"""Propagate the orbit to a new date
Args:
date (Date)
Return:
Orbit
"""
if self.propagator.orbit is not self:
self.propagator.orbit = self
return self.propagator.propagate(date) | python | def propagate(self, date):
"""Propagate the orbit to a new date
Args:
date (Date)
Return:
Orbit
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galactics/beyond | beyond/orbits/orbit.py | Orbit.ephemeris | def ephemeris(self, **kwargs):
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start (Date)
stop (Date or timedelta)
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start (Date)
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step (timedelta)
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galactics/beyond | beyond/orbits/orbit.py | OrbitInfos.period | def period(self):
"""Period of the orbit as a timedelta
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galactics/beyond | beyond/orbits/orbit.py | OrbitInfos.va | def va(self):
"""Velocity at apocenter
"""
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galactics/beyond | beyond/orbits/orbit.py | OrbitInfos.vp | def vp(self):
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galactics/beyond | beyond/utils/node.py | Node.path | def path(self, goal):
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goal (str): Name of the targeted node
Return:
list of Node
"""
if goal == self.name:
return [self]
if goal not in self.routes:
raise ValueE... | python | def path(self, goal):
"""Get the shortest way between two nodes of the graph
Args:
goal (str): Name of the targeted node
Return:
list of Node
"""
if goal == self.name:
return [self]
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galactics/beyond | beyond/utils/node.py | Node.steps | def steps(self, goal):
"""Get the list of individual relations leading to the targeted node
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goal (str): Name of the targeted node
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"""
path = self.path(goal)
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"""Get the list of individual relations leading to the targeted node
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goal (str): Name of the targeted node
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Patreon/patreon-python | examples/flask/my_site/models/tables/db_wrapper.py | build_if_needed | def build_if_needed(db):
"""Little helper method for making tables in SQL-Alchemy with SQLite"""
if len(db.engine.table_names()) == 0:
# import all classes here
from my_site.models.tables.user import User
db.create_all() | python | def build_if_needed(db):
"""Little helper method for making tables in SQL-Alchemy with SQLite"""
if len(db.engine.table_names()) == 0:
# import all classes here
from my_site.models.tables.user import User
db.create_all() | [
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andersinno/django-sanitized-dump | sanitized_dump/utils/compat.py | deunicode | def deunicode(item):
""" Convert unicode objects to str """
if item is None:
return None
if isinstance(item, str):
return item
if isinstance(item, six.text_type):
return item.encode('utf-8')
if isinstance(item, dict):
return {
deunicode(key): deunicode(val... | python | def deunicode(item):
""" Convert unicode objects to str """
if item is None:
return None
if isinstance(item, str):
return item
if isinstance(item, six.text_type):
return item.encode('utf-8')
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srittau/python-asserts | asserts/__init__.py | assert_true | def assert_true(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is truthy.
>>> assert_true("Hello World!")
>>> assert_true("")
Traceback (most recent call last):
...
AssertionError: '' is not truthy
The following msg_fmt arguments are supported:
* msg - the default e... | python | def assert_true(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is truthy.
>>> assert_true("Hello World!")
>>> assert_true("")
Traceback (most recent call last):
...
AssertionError: '' is not truthy
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* msg - the default e... | [
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AssertionError: '' is not truthy
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srittau/python-asserts | asserts/__init__.py | assert_false | def assert_false(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is falsy.
>>> assert_false("")
>>> assert_false("Hello World!")
Traceback (most recent call last):
...
AssertionError: 'Hello World!' is not falsy
The following msg_fmt arguments are supported:
* msg - ... | python | def assert_false(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is falsy.
>>> assert_false("")
>>> assert_false("Hello World!")
Traceback (most recent call last):
...
AssertionError: 'Hello World!' is not falsy
The following msg_fmt arguments are supported:
* msg - ... | [
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srittau/python-asserts | asserts/__init__.py | assert_boolean_true | def assert_boolean_true(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is the constant True.
>>> assert_boolean_true(True)
>>> assert_boolean_true("Hello World!")
Traceback (most recent call last):
...
AssertionError: 'Hello World!' is not True
The following msg_fmt arg... | python | def assert_boolean_true(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is the constant True.
>>> assert_boolean_true(True)
>>> assert_boolean_true("Hello World!")
Traceback (most recent call last):
...
AssertionError: 'Hello World!' is not True
The following msg_fmt arg... | [
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AssertionError: 'Hello World!' is not True
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srittau/python-asserts | asserts/__init__.py | assert_boolean_false | def assert_boolean_false(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is the constant False.
>>> assert_boolean_false(False)
>>> assert_boolean_false(0)
Traceback (most recent call last):
...
AssertionError: 0 is not False
The following msg_fmt arguments are supported... | python | def assert_boolean_false(expr, msg_fmt="{msg}"):
"""Fail the test unless the expression is the constant False.
>>> assert_boolean_false(False)
>>> assert_boolean_false(0)
Traceback (most recent call last):
...
AssertionError: 0 is not False
The following msg_fmt arguments are supported... | [
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AssertionError: 0 is not False
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srittau/python-asserts | asserts/__init__.py | assert_is_none | def assert_is_none(expr, msg_fmt="{msg}"):
"""Fail if the expression is not None.
>>> assert_is_none(None)
>>> assert_is_none(False)
Traceback (most recent call last):
...
AssertionError: False is not None
The following msg_fmt arguments are supported:
* msg - the default error mes... | python | def assert_is_none(expr, msg_fmt="{msg}"):
"""Fail if the expression is not None.
>>> assert_is_none(None)
>>> assert_is_none(False)
Traceback (most recent call last):
...
AssertionError: False is not None
The following msg_fmt arguments are supported:
* msg - the default error mes... | [
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AssertionError: False is not None
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srittau/python-asserts | asserts/__init__.py | assert_is_not_none | def assert_is_not_none(expr, msg_fmt="{msg}"):
"""Fail if the expression is None.
>>> assert_is_not_none(0)
>>> assert_is_not_none(None)
Traceback (most recent call last):
...
AssertionError: expression is None
The following msg_fmt arguments are supported:
* msg - the default erro... | python | def assert_is_not_none(expr, msg_fmt="{msg}"):
"""Fail if the expression is None.
>>> assert_is_not_none(0)
>>> assert_is_not_none(None)
Traceback (most recent call last):
...
AssertionError: expression is None
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AssertionError: expression is None
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srittau/python-asserts | asserts/__init__.py | assert_equal | def assert_equal(first, second, msg_fmt="{msg}"):
"""Fail unless first equals second, as determined by the '==' operator.
>>> assert_equal(5, 5.0)
>>> assert_equal("Hello World!", "Goodbye!")
Traceback (most recent call last):
...
AssertionError: 'Hello World!' != 'Goodbye!'
The follow... | python | def assert_equal(first, second, msg_fmt="{msg}"):
"""Fail unless first equals second, as determined by the '==' operator.
>>> assert_equal(5, 5.0)
>>> assert_equal("Hello World!", "Goodbye!")
Traceback (most recent call last):
...
AssertionError: 'Hello World!' != 'Goodbye!'
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AssertionError: 'Hello World!' != 'Goodbye!'
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srittau/python-asserts | asserts/__init__.py | assert_not_equal | def assert_not_equal(first, second, msg_fmt="{msg}"):
"""Fail if first equals second, as determined by the '==' operator.
>>> assert_not_equal(5, 8)
>>> assert_not_equal(-7, -7.0)
Traceback (most recent call last):
...
AssertionError: -7 == -7.0
The following msg_fmt arguments are supp... | python | def assert_not_equal(first, second, msg_fmt="{msg}"):
"""Fail if first equals second, as determined by the '==' operator.
>>> assert_not_equal(5, 8)
>>> assert_not_equal(-7, -7.0)
Traceback (most recent call last):
...
AssertionError: -7 == -7.0
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srittau/python-asserts | asserts/__init__.py | assert_almost_equal | def assert_almost_equal(
first, second, msg_fmt="{msg}", places=None, delta=None
):
"""Fail if first and second are not equal after rounding.
By default, the difference between first and second is rounded to
7 decimal places. This can be configured with the places argument.
Alternatively, delta can... | python | def assert_almost_equal(
first, second, msg_fmt="{msg}", places=None, delta=None
):
"""Fail if first and second are not equal after rounding.
By default, the difference between first and second is rounded to
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srittau/python-asserts | asserts/__init__.py | assert_dict_equal | def assert_dict_equal(
first, second, key_msg_fmt="{msg}", value_msg_fmt="{msg}"
):
"""Fail unless first dictionary equals second.
The dictionaries are considered equal, if they both contain the same
keys, and their respective values are also equal.
>>> assert_dict_equal({"foo": 5}, {"foo": 5})
... | python | def assert_dict_equal(
first, second, key_msg_fmt="{msg}", value_msg_fmt="{msg}"
):
"""Fail unless first dictionary equals second.
The dictionaries are considered equal, if they both contain the same
keys, and their respective values are also equal.
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srittau/python-asserts | asserts/__init__.py | assert_less | def assert_less(first, second, msg_fmt="{msg}"):
"""Fail if first is not less than second.
>>> assert_less('bar', 'foo')
>>> assert_less(5, 5)
Traceback (most recent call last):
...
AssertionError: 5 is not less than 5
The following msg_fmt arguments are supported:
* msg - the defa... | python | def assert_less(first, second, msg_fmt="{msg}"):
"""Fail if first is not less than second.
>>> assert_less('bar', 'foo')
>>> assert_less(5, 5)
Traceback (most recent call last):
...
AssertionError: 5 is not less than 5
The following msg_fmt arguments are supported:
* msg - the defa... | [
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>>> assert_less('bar', 'foo')
>>> assert_less(5, 5)
Traceback (most recent call last):
...
AssertionError: 5 is not less than 5
The following msg_fmt arguments are supported:
* msg - the default error message
* first - the first argument
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srittau/python-asserts | asserts/__init__.py | assert_less_equal | def assert_less_equal(first, second, msg_fmt="{msg}"):
"""Fail if first is not less than or equal to second.
>>> assert_less_equal('bar', 'foo')
>>> assert_less_equal(5, 5)
>>> assert_less_equal(6, 5)
Traceback (most recent call last):
...
AssertionError: 6 is not less than or equal to ... | python | def assert_less_equal(first, second, msg_fmt="{msg}"):
"""Fail if first is not less than or equal to second.
>>> assert_less_equal('bar', 'foo')
>>> assert_less_equal(5, 5)
>>> assert_less_equal(6, 5)
Traceback (most recent call last):
...
AssertionError: 6 is not less than or equal to ... | [
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>>> assert_less_equal('bar', 'foo')
>>> assert_less_equal(5, 5)
>>> assert_less_equal(6, 5)
Traceback (most recent call last):
...
AssertionError: 6 is not less than or equal to 5
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srittau/python-asserts | asserts/__init__.py | assert_greater | def assert_greater(first, second, msg_fmt="{msg}"):
"""Fail if first is not greater than second.
>>> assert_greater('foo', 'bar')
>>> assert_greater(5, 5)
Traceback (most recent call last):
...
AssertionError: 5 is not greater than 5
The following msg_fmt arguments are supported:
*... | python | def assert_greater(first, second, msg_fmt="{msg}"):
"""Fail if first is not greater than second.
>>> assert_greater('foo', 'bar')
>>> assert_greater(5, 5)
Traceback (most recent call last):
...
AssertionError: 5 is not greater than 5
The following msg_fmt arguments are supported:
*... | [
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>>> assert_greater('foo', 'bar')
>>> assert_greater(5, 5)
Traceback (most recent call last):
...
AssertionError: 5 is not greater than 5
The following msg_fmt arguments are supported:
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srittau/python-asserts | asserts/__init__.py | assert_greater_equal | def assert_greater_equal(first, second, msg_fmt="{msg}"):
"""Fail if first is not greater than or equal to second.
>>> assert_greater_equal('foo', 'bar')
>>> assert_greater_equal(5, 5)
>>> assert_greater_equal(5, 6)
Traceback (most recent call last):
...
AssertionError: 5 is not greater... | python | def assert_greater_equal(first, second, msg_fmt="{msg}"):
"""Fail if first is not greater than or equal to second.
>>> assert_greater_equal('foo', 'bar')
>>> assert_greater_equal(5, 5)
>>> assert_greater_equal(5, 6)
Traceback (most recent call last):
...
AssertionError: 5 is not greater... | [
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>>> assert_greater_equal(5, 5)
>>> assert_greater_equal(5, 6)
Traceback (most recent call last):
...
AssertionError: 5 is not greater than or equal to 6
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srittau/python-asserts | asserts/__init__.py | assert_regex | def assert_regex(text, regex, msg_fmt="{msg}"):
"""Fail if text does not match the regular expression.
regex can be either a regular expression string or a compiled regular
expression object.
>>> assert_regex("Hello World!", r"llo.*rld!$")
>>> assert_regex("Hello World!", r"\\d")
Traceback (mo... | python | def assert_regex(text, regex, msg_fmt="{msg}"):
"""Fail if text does not match the regular expression.
regex can be either a regular expression string or a compiled regular
expression object.
>>> assert_regex("Hello World!", r"llo.*rld!$")
>>> assert_regex("Hello World!", r"\\d")
Traceback (mo... | [
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"\"{!r} does not match {!r}... | Fail if text does not match the regular expression.
regex can be either a regular expression string or a compiled regular
expression object.
>>> assert_regex("Hello World!", r"llo.*rld!$")
>>> assert_regex("Hello World!", r"\\d")
Traceback (most recent call last):
...
AssertionError: '... | [
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srittau/python-asserts | asserts/__init__.py | assert_is | def assert_is(first, second, msg_fmt="{msg}"):
"""Fail if first and second do not refer to the same object.
>>> list1 = [5, "foo"]
>>> list2 = [5, "foo"]
>>> assert_is(list1, list1)
>>> assert_is(list1, list2)
Traceback (most recent call last):
...
AssertionError: [5, 'foo'] is not ... | python | def assert_is(first, second, msg_fmt="{msg}"):
"""Fail if first and second do not refer to the same object.
>>> list1 = [5, "foo"]
>>> list2 = [5, "foo"]
>>> assert_is(list1, list1)
>>> assert_is(list1, list2)
Traceback (most recent call last):
...
AssertionError: [5, 'foo'] is not ... | [
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>>> list1 = [5, "foo"]
>>> list2 = [5, "foo"]
>>> assert_is(list1, list1)
>>> assert_is(list1, list2)
Traceback (most recent call last):
...
AssertionError: [5, 'foo'] is not [5, 'foo']
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srittau/python-asserts | asserts/__init__.py | assert_is_not | def assert_is_not(first, second, msg_fmt="{msg}"):
"""Fail if first and second refer to the same object.
>>> list1 = [5, "foo"]
>>> list2 = [5, "foo"]
>>> assert_is_not(list1, list2)
>>> assert_is_not(list1, list1)
Traceback (most recent call last):
...
AssertionError: both argument... | python | def assert_is_not(first, second, msg_fmt="{msg}"):
"""Fail if first and second refer to the same object.
>>> list1 = [5, "foo"]
>>> list2 = [5, "foo"]
>>> assert_is_not(list1, list2)
>>> assert_is_not(list1, list1)
Traceback (most recent call last):
...
AssertionError: both argument... | [
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>>> list1 = [5, "foo"]
>>> list2 = [5, "foo"]
>>> assert_is_not(list1, list2)
>>> assert_is_not(list1, list1)
Traceback (most recent call last):
...
AssertionError: both arguments refer to [5, 'foo']
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srittau/python-asserts | asserts/__init__.py | assert_in | def assert_in(first, second, msg_fmt="{msg}"):
"""Fail if first is not in collection second.
>>> assert_in("foo", [4, "foo", {}])
>>> assert_in("bar", [4, "foo", {}])
Traceback (most recent call last):
...
AssertionError: 'bar' not in [4, 'foo', {}]
The following msg_fmt arguments are ... | python | def assert_in(first, second, msg_fmt="{msg}"):
"""Fail if first is not in collection second.
>>> assert_in("foo", [4, "foo", {}])
>>> assert_in("bar", [4, "foo", {}])
Traceback (most recent call last):
...
AssertionError: 'bar' not in [4, 'foo', {}]
The following msg_fmt arguments are ... | [
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>>> assert_in("foo", [4, "foo", {}])
>>> assert_in("bar", [4, "foo", {}])
Traceback (most recent call last):
...
AssertionError: 'bar' not in [4, 'foo', {}]
The following msg_fmt arguments are supported:
* msg - the default error message
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srittau/python-asserts | asserts/__init__.py | assert_not_in | def assert_not_in(first, second, msg_fmt="{msg}"):
"""Fail if first is in a collection second.
>>> assert_not_in("bar", [4, "foo", {}])
>>> assert_not_in("foo", [4, "foo", {}])
Traceback (most recent call last):
...
AssertionError: 'foo' is in [4, 'foo', {}]
The following msg_fmt argum... | python | def assert_not_in(first, second, msg_fmt="{msg}"):
"""Fail if first is in a collection second.
>>> assert_not_in("bar", [4, "foo", {}])
>>> assert_not_in("foo", [4, "foo", {}])
Traceback (most recent call last):
...
AssertionError: 'foo' is in [4, 'foo', {}]
The following msg_fmt argum... | [
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>>> assert_not_in("bar", [4, "foo", {}])
>>> assert_not_in("foo", [4, "foo", {}])
Traceback (most recent call last):
...
AssertionError: 'foo' is in [4, 'foo', {}]
The following msg_fmt arguments are supported:
* msg - the default error message
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srittau/python-asserts | asserts/__init__.py | assert_count_equal | def assert_count_equal(sequence1, sequence2, msg_fmt="{msg}"):
"""Compare the items of two sequences, ignoring order.
>>> assert_count_equal([1, 2], {2, 1})
Items missing in either sequence will be listed:
>>> assert_count_equal(["a", "b", "c"], ["a", "d"])
Traceback (most recent call last):
... | python | def assert_count_equal(sequence1, sequence2, msg_fmt="{msg}"):
"""Compare the items of two sequences, ignoring order.
>>> assert_count_equal([1, 2], {2, 1})
Items missing in either sequence will be listed:
>>> assert_count_equal(["a", "b", "c"], ["a", "d"])
Traceback (most recent call last):
... | [
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>>> assert_count_equal([1, 2], {2, 1})
Items missing in either sequence will be listed:
>>> assert_count_equal(["a", "b", "c"], ["a", "d"])
Traceback (most recent call last):
...
AssertionError: missing from sequence 1: 'd'; missing from... | [
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srittau/python-asserts | asserts/__init__.py | assert_is_instance | def assert_is_instance(obj, cls, msg_fmt="{msg}"):
"""Fail if an object is not an instance of a class or tuple of classes.
>>> assert_is_instance(5, int)
>>> assert_is_instance('foo', (str, bytes))
>>> assert_is_instance(5, str)
Traceback (most recent call last):
...
AssertionError: 5 i... | python | def assert_is_instance(obj, cls, msg_fmt="{msg}"):
"""Fail if an object is not an instance of a class or tuple of classes.
>>> assert_is_instance(5, int)
>>> assert_is_instance('foo', (str, bytes))
>>> assert_is_instance(5, str)
Traceback (most recent call last):
...
AssertionError: 5 i... | [
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>>> assert_is_instance(5, int)
>>> assert_is_instance('foo', (str, bytes))
>>> assert_is_instance(5, str)
Traceback (most recent call last):
...
AssertionError: 5 is an instance of <class 'int'>, expected <class 'str'>
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srittau/python-asserts | asserts/__init__.py | assert_has_attr | def assert_has_attr(obj, attribute, msg_fmt="{msg}"):
"""Fail is an object does not have an attribute.
>>> assert_has_attr([], "index")
>>> assert_has_attr([], "i_do_not_have_this")
Traceback (most recent call last):
...
AssertionError: [] does not have attribute 'i_do_not_have_this'
T... | python | def assert_has_attr(obj, attribute, msg_fmt="{msg}"):
"""Fail is an object does not have an attribute.
>>> assert_has_attr([], "index")
>>> assert_has_attr([], "i_do_not_have_this")
Traceback (most recent call last):
...
AssertionError: [] does not have attribute 'i_do_not_have_this'
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>>> assert_has_attr([], "i_do_not_have_this")
Traceback (most recent call last):
...
AssertionError: [] does not have attribute 'i_do_not_have_this'
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srittau/python-asserts | asserts/__init__.py | assert_datetime_about_now | def assert_datetime_about_now(actual, msg_fmt="{msg}"):
"""Fail if a datetime object is not within 5 seconds of the local time.
>>> assert_datetime_about_now(datetime.now())
>>> assert_datetime_about_now(datetime(1900, 1, 1, 12, 0, 0))
Traceback (most recent call last):
...
AssertionError: ... | python | def assert_datetime_about_now(actual, msg_fmt="{msg}"):
"""Fail if a datetime object is not within 5 seconds of the local time.
>>> assert_datetime_about_now(datetime.now())
>>> assert_datetime_about_now(datetime(1900, 1, 1, 12, 0, 0))
Traceback (most recent call last):
...
AssertionError: ... | [
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>>> assert_datetime_about_now(datetime.now())
>>> assert_datetime_about_now(datetime(1900, 1, 1, 12, 0, 0))
Traceback (most recent call last):
...
AssertionError: datetime.datetime(1900, 1, 1, 12, 0) is not close to current da... | [
"Fail",
"if",
"a",
"datetime",
"object",
"is",
"not",
"within",
"5",
"seconds",
"of",
"the",
"local",
"time",
"."
] | 1d5c797031c68ee27552d1c94e7f918c3d3d0453 | https://github.com/srittau/python-asserts/blob/1d5c797031c68ee27552d1c94e7f918c3d3d0453/asserts/__init__.py#L790-L813 | train |
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