BoghdadyJR/codesearch_python · Datasets at Hugging Face

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def launch(title, items, selected=None): """ Launches a new menu. Wraps curses nicely so exceptions won't screw with the terminal too much. """ resp = {"code": -1, "done": False} curses.wrapper(Menu, title, items, selected, resp) return resp
def q(self, x, q0): """ Numerically solved trajectory function for initial conditons :math:`q(0) = q_0` and :math:`q'(0) = 0`. """ y1_0 = q0 y0_0 = 0 y0 = [y0_0, y1_0] y = _sp.integrate.odeint(self._func, y0, x, Dfun=self._gradient, rtol=self.rtol, atol=self.at...
def save(self, args, *kwargs): """Overridden method that handles that re-ranking of objects and the integrity of the ``rank`` field. :param rerank: Added parameter, if True will rerank other objects based on the change in this save. Defaults to True. """ ...
def repack(self): """Removes any blank ranks in the order.""" items = self.grouped_filter().order_by('rank').select_for_update() for count, item in enumerate(items): item.rank = count + 1 item.save(rerank=False)
def refetch_for_update(obj): """Queries the database for the same object that is passed in, refetching its contents and runs ``select_for_update()`` to lock the corresponding row until the next commit. :param obj: Object to refetch :returns: Refreshed version of the object """ ...
def get_field_names(obj, ignore_auto=True, ignore_relations=True, exclude=[]): """Returns the field names of a Django model object. :param obj: the Django model class or object instance to get the fields from :param ignore_auto: ignore any fields of type AutoField. Defaults to True :pa...
def get_obj_attr(obj, attr): """Works like getattr() but supports django's double underscore object dereference notation. Example usage: .. code-block:: python >>> get_obj_attr(book, 'writer__age') 42 >>> get_obj_attr(book, 'publisher__address') <Address object at 105a...
def as_list(self): """Returns a list of strings describing the full paths and patterns along with the name of the urls. Example: .. code-block::python >>> u = URLTree() >>> u.as_list() [ 'admin/', 'admin/$, name=index', ...
def register( app): """ Register all HTTP error code error handlers Currently, errors are handled by the JSON error handler. """ # Pick a handler based on the requested format. Currently we assume the # caller wants JSON. error_handler = json.http_exception_error_handler @app...
def plot(args, ax=None, *kwargs): """ Plots but automatically resizes x axis. .. versionadded:: 1.4 Parameters ---------- args Passed on to :meth:`matplotlib.axis.Axis.plot`. ax : :class:`matplotlib.axis.Axis`, optional The axis to plot to. kwargs Passed on to...
def linspacestep(start, stop, step=1): """ Create a vector of values over an interval with a specified step size. Parameters ---------- start : float The beginning of the interval. stop : float The end of the interval. step : float The step size. Returns --...
def mylogger(name=None, filename=None, indent_offset=7, level=_logging.DEBUG, stream_level=_logging.WARN, file_level=_logging.INFO): """ Sets up logging to filename.debug.log, filename.log, and the terminal. indent_offset attempts to line up the lowest indent level to 0. Custom levels: * level: Par...
def selected_course(func): """ Passes the selected course as the first argument to func. """ @wraps(func) def inner(args, kwargs): course = Course.get_selected() return func(course, args, **kwargs) return inner
def selected_exercise(func): """ Passes the selected exercise as the first argument to func. """ @wraps(func) def inner(args, kwargs): exercise = Exercise.get_selected() return func(exercise, args, **kwargs) return inner
def false_exit(func): """ If func returns False the program exits immediately. """ @wraps(func) def inner(args, kwargs): ret = func(args, **kwargs) if ret is False: if "TMC_TESTING" in os.environ: raise TMCExit() else: sys.e...
def configure(server=None, username=None, password=None, tid=None, auto=False): """ Configure tmc.py to use your account. """ if not server and not username and not password and not tid: if Config.has(): if not yn_prompt("Override old configuration", False): return Fa...
def download(course, tid=None, dl_all=False, force=False, upgradejava=False, update=False): """ Download the exercises from the server. """ def dl(id): download_exercise(Exercise.get(Exercise.tid == id), force=force, update_java=u...
def skip(course, num=1): """ Go to the next exercise. """ sel = None try: sel = Exercise.get_selected() if sel.course.tid != course.tid: sel = None except NoExerciseSelected: pass if sel is None: sel = course.exercises.first() else: tr...
def run(exercise, command): """ Spawns a process with `command path-of-exercise` """ Popen(['nohup', command, exercise.path()], stdout=DEVNULL, stderr=DEVNULL)
def select(course=False, tid=None, auto=False): """ Select a course or an exercise. """ if course: update(course=True) course = None try: course = Course.get_selected() except NoCourseSelected: pass ret = {} if not tid: ...
def submit(course, tid=None, pastebin=False, review=False): """ Submit the selected exercise to the server. """ if tid is not None: return submit_exercise(Exercise.byid(tid), pastebin=pastebin, request_review=review) else: ...
def paste(tid=None, review=False): """ Sends the selected exercise to the TMC pastebin. """ submit(pastebin=True, tid=tid, review=False)
def list_all(course, single=None): """ Lists all of the exercises in the current course. """ def bs(val): return "●" if val else " " def bc(val): return as_success("✔") if val else as_error("✘") def format_line(exercise): return "{0} │ {1} │ {2} │ {3} │ {4}".format(exe...
def update(course=False): """ Update the data of courses and or exercises from server. """ if course: with Spinner.context(msg="Updated course metadata.", waitmsg="Updating course metadata."): for course in api.get_courses(): old = None ...
def determine_type(x): """Determine the type of x""" types = (int, float, str) _type = filter(lambda a: is_type(a, x), types)[0] return _type(x)
def dmap(fn, record): """map for a directory""" values = (fn(v) for k, v in record.items()) return dict(itertools.izip(record, values))
def apply_types(use_types, guess_type, line): """Apply the types on the elements of the line""" new_line = {} for k, v in line.items(): if use_types.has_key(k): new_line[k] = force_type(use_types[k], v) elif guess_type: new_line[k] = determine_type(v) else: ...
def read_csv(filename, delimiter=",", skip=0, guess_type=True, has_header=True, use_types={}): """Read a CSV file Usage ----- >>> data = read_csv(filename, delimiter=delimiter, skip=skip, guess_type=guess_type, has_header=True, use_types={}) # Use specific types >>> types = {"...
def write_csv(filename, header, data=None, rows=None, mode="w"): """Write the data to the specified filename Usage ----- >>> write_csv(filename, header, data, mode=mode) Parameters ---------- filename : str The name of the file header : list of strings The names of...
def format_to_csv(filename, skiprows=0, delimiter=""): """Convert a file to a .csv file""" if not delimiter: delimiter = "\t" input_file = open(filename, "r") if skiprows: [input_file.readline() for _ in range(skiprows)] new_filename = os.path.splitext(filename)[0] + ".csv" o...
def savefig(filename, path="figs", fig=None, ext='eps', verbose=False, *kwargs): """ Save the figure fig* (optional, if not specified, latest figure in focus) to filename in the path path with extension ext. \\kwargs is passed to :meth:`matplotlib.figure.Figure.savefig`. """ filename ...
def admin_obj_link(obj, display=''): """Returns a link to the django admin change list with a filter set to only the object given. :param obj: Object to create the admin change list display link for :param display: Text to display in the link. Defaults to string call of the object ...
def admin_obj_attr(obj, attr): """A safe version of :func:``utils.get_obj_attr`` that returns and empty string in the case of an exception or an empty object """ try: field_obj = get_obj_attr(obj, attr) if not field_obj: return '' except AttributeError: return '' ...
def _obj_display(obj, display=''): """Returns string representation of an object, either the default or based on the display template passed in. """ result = '' if not display: result = str(obj) else: template = Template(display) context = Context({'obj':obj}) res...
def make_admin_obj_mixin(name): """This method dynamically creates a mixin to be used with your :class:`ModelAdmin` classes. The mixin provides utility methods that can be referenced in side of the admin object's ``list_display`` and other similar attributes. :param name: Each usage o...
def fancy_modeladmin(args): """Returns a new copy of a :class:`FancyModelAdmin` class (a class, not an instance!). This can then be inherited from when declaring a model admin class. The :class:`FancyModelAdmin` class has additional methods for managing the ``list_display`` attribute. :param ``ar...
def add_display(cls, attr, title=''): """Adds a ``list_display`` property without any extra wrappers, similar to :func:`add_displays`, but can also change the title. :param attr: Name of the attribute to add to the display :param title: Title for the column of t...
def add_link(cls, attr, title='', display=''): """Adds a ``list_display`` attribute that appears as a link to the django admin change page for the type of object being shown. Supports double underscore attribute name dereferencing. :param attr: Name of the attribute to deref...
def add_object(cls, attr, title='', display=''): """Adds a ``list_display`` attribute showing an object. Supports double underscore attribute name dereferencing. :param attr: Name of the attribute to dereference from the corresponding object, i.e. what will be lined to....
def add_formatted_field(cls, field, format_string, title=''): """Adds a ``list_display`` attribute showing a field in the object using a python %formatted string. :param field: Name of the field in the object. :param format_string: A old-style (to remain python ...
def post_required(method_or_options=[]): """View decorator that enforces that the method was called using POST. This decorator can be called with or without parameters. As it is expected to wrap a view, the first argument of the method being wrapped is expected to be a ``request`` object. .. code-...
def json_post_required(*decorator_args): """View decorator that enforces that the method was called using POST and contains a field containing a JSON dictionary. This method should only be used to wrap views and assumes the first argument of the method being wrapped is a ``request`` object. .. code...
def hist(x, bins=10, labels=None, aspect="auto", plot=True, ax=None, range=None): """ Creates a histogram of data x with a bins, labels = :code:`[title, xlabel, ylabel]`. """ h, edge = _np.histogram(x, bins=bins, range=range) mids = edge + (edge[1]-edge[0])/2 mids = mids[:-1] if...
def sigma(self): """ Spot size of matched beam :math:`\\left( \\frac{2 E \\varepsilon_0 }{ n_p e^2 } \\right)^{1/4} \\sqrt{\\epsilon}` """ return _np.power(2_sltr.GeV2joule(self.E)_spc.epsilon_0 / (self.plasma.n_p * _np.power(_spc.elementary_charge, 2)) , 0.25) * _np.sqrt(self.emit)
def sigma_prime(self): """ Divergence of matched beam """ return _np.sqrt(self.emit/self.beta(self.E))
def n_p(self): """ The plasma density in SI units. """ return 2_sltr.GeV2joule(self.E)_spc.epsilon_0 / (self.beta_spc.elementary_charge)*2
def plasma(self, species=_pt.hydrogen): """ The matched :class:`Plasma`. """ return _Plasma(self.n_p, species=species)
def main(target, label): """ Semver tag triggered deployment helper """ check_environment(target, label) click.secho('Fetching tags from the upstream ...') handler = TagHandler(git.list_tags()) print_information(handler, label) tag = handler.yield_tag(target, label) confirm(tag)
def check_environment(target, label): """ Performs some environment checks prior to the program's execution """ if not git.exists(): click.secho('You must have git installed to use yld.', fg='red') sys.exit(1) if not os.path.isdir('.git'): click.secho('You must cd into a git...
def print_information(handler, label): """ Prints latest tag's information """ click.echo('=> Latest stable: {tag}'.format( tag=click.style(str(handler.latest_stable or 'N/A'), fg='yellow' if handler.latest_stable else 'magenta') )) if label is not None: ...
def confirm(tag): """ Prompts user before proceeding """ click.echo() if click.confirm('Do you want to create the tag {tag}?'.format( tag=click.style(str(tag), fg='yellow')), default=True, abort=True): git.create_tag(tag) if click.confirm( 'Do you want to pus...
def imshow(X, ax=None, add_cbar=True, rescale_fig=True, *kwargs): """ Plots an array X* such that the first coordinate is the x coordinate and the second coordinate is the y coordinate, with the origin at the bottom left corner. Optional argument ax allows an existing axes to be used. \\*kwa...
def scaled_figsize(X, figsize=None, h_pad=None, v_pad=None): """ Given an array X, determine a good size for the figure to be by shrinking it to fit within figsize. If not specified, shrinks to fit the figsize specified by the current :attr:`matplotlib.rcParams`. .. versionadded:: 1.3 """ if fi...
def get(f, key, default=None): """ Gets an array from datasets. .. versionadded:: 1.4 """ if key in f.keys(): val = f[key].value if default is None: return val else: if _np.shape(val) == _np.shape(default): return val return def...
def get_state(self): """Get the current directory state""" return [os.path.join(dp, f) for dp, _, fn in os.walk(self.dir) for f in fn]
def tick(self): """Add one tick to progress bar""" self.current += 1 if self.current == self.factor: sys.stdout.write('+') sys.stdout.flush() self.current = 0
def push(self, k): """Push k to the top of the list >>> l = DLL() >>> l.push(1) >>> l [1] >>> l.push(2) >>> l [2, 1] >>> l.push(3) >>> l [3, 2, 1] """ if not self._first: # first item self._f...
def deletenode(self, node): """ >>> l = DLL() >>> l.push(1) >>> l [1] >>> l.size() 1 >>> l.deletenode(l._first) >>> l [] >>> l.size() 0 >>> l._index {} >>> l._first """ if self._last =...
def pop(self): """ >>> l = DLL() >>> l.push(1) >>> l.pop() 1 """ k = self._last.value self.deletenode(self._last) return k
def increment(cls, name): """Call this method to increment the named counter. This is atomic on the database. :param name: Name for a previously created ``Counter`` object """ with transaction.atomic(): counter = Counter.objects.select_for_update().get(...
def pcolor_axes(array, px_to_units=px_to_units): """ Return axes :code:`x, y` for array to be used with :func:`matplotlib.pyplot.color`. px_to_units is a function to convert pixels to units. By default, returns pixels. """ # ====================================== # Coords need to be +1 larg...
def nb0(self): """ On-axis beam density :math:`n_{b,0}`. """ return self.N_e / ( (2_np.pi)(3/2) self.sig_r*2 self.sig_xi)
def lambda_large(self, r0): """ The wavelength for large (:math:`r_0 < \\sigma_r`) oscillations. """ return 2_np.sqrt(2_np.pi/self.k)*r0
def r_small(self, x, r0): """ Approximate trajectory function for small (:math:`r_0 < \\sigma_r`) oscillations. """ return r0_np.cos(_np.sqrt(self.k_small) x)
def r_large(self, x, r0): """ Approximate trajectory function for large (:math:`r_0 > \\sigma_r`) oscillations. """ return r0_np.cos(xself.omega_big(r0))
def k(self): """ Driving force term: :math:`r'' = -k \\left( \\frac{1-e^{-r^2/2{\\sigma_r}^2}}{r} \\right)` """ try: return self._k except AttributeError: self._k = e*2 self.N_e / ( (2_np.pi)(5/2) e0 * self.m * c*2 self.sig_xi) retur...
def print_loading(self, wait, message): """ print loading message on screen .. note:: loading message only write to `sys.stdout` :param int wait: seconds to wait :param str message: message to print :return: None """ tags = ['\\', '\|', '/',...
def warn_message(self, message, fh=None, prefix="[warn]:", suffix="..."): """ print warn type message, if file handle is `sys.stdout`, print color message :param str message: message to print :param file fh: file handle,default is `sys.stdout` :param str prefix: message...
def error_message(self, message, fh=None, prefix="[error]:", suffix="..."): """ print error type message if file handle is `sys.stderr`, print color message :param str message: message to print :param file fh: file handle, default is `sys.stdout` :p...
def system(self, cmd, fake_code=False): """ a built-in wrapper make dry-run easier. you should use this instead use `os.system` .. note:: to use it,you need add '--dry-run' option in your argparser options :param str cmd: command to execute :pa...
def load_resource(path, root=''): """ .. warning:: Experiment feature. BE CAREFUL! WE MAY REMOVE THIS FEATURE! load resource file which in package. this method is used to load file easier in different environment. e.g: consume we have a file ...
def load_description(name, root=''): """ .. warning:: Experiment feature. BE CAREFUL! WE MAY REMOVE THIS FEATURE! Load resource file as description, if resource file not exist,will return empty string. :param str path: name resource path :para...
def name(self): ''' Returns the name of the Firebase. If a Firebase instance points to 'https://my_firebase.firebaseio.com/users' its name would be 'users' ''' i = self.__url.rfind('/') if self.__url[:i] == 'https:/': return "/" return self.__url[i+1:]
def url_correct(self, point, auth=None, export=None): ''' Returns a Corrected URL to be used for a Request as per the REST API. ''' newUrl = self.__url + point + '.json' if auth or export: newUrl += "?" if auth: newUrl += ("auth=" + auth) ...
def __read(path): ''' Reads a File with contents in correct JSON format. Returns the data as Python objects. path - (string) path to the file ''' try: with open(path, 'r') as data_file: data = data_file.read() data = json.loads(...
def __write(path, data, mode="w"): ''' Writes to a File. Returns the data written. path - (string) path to the file to write to. data - (json) data from a request. mode - (string) mode to open the file in. Default to 'w'. Overwrites. ''' with open(path, mode) as d...
def amust(self, args, argv): ''' Requires the User to provide a certain parameter for the method to function properly. Else, an Exception is raised. args - (tuple) arguments you are looking for. argv - (dict) arguments you have received and want to inspect. ''' ...
def catch_error(response): ''' Checks for Errors in a Response. 401 or 403 - Security Rules Violation. 404 or 417 - Firebase NOT Found. response - (Request.Response) - response from a request. ''' status = response.status_code if status == 401 or status ==...
def get_sync(self, **kwargs): ''' GET: gets data from the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point",), kwargs) response = requests.get(self.url_correct(kwargs["point"], kwargs.get("auth", sel...
def put_sync(self, **kwargs): ''' PUT: puts data into the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point", "data"), kwargs) response = requests.put(self.url_correct(kwargs["point"], kwargs.get("aut...
def post_sync(self, **kwargs): ''' POST: post data to a Firebase. Requires the 'point' parameter as a keyworded argument. Note: Firebase will give it a randomized "key" and the data will be the "value". Thus a key-value pair ''' self.amust(("point", "data"), kwar...
def update_sync(self, **kwargs): ''' UPDATE: updates data in the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point", "data"), kwargs) # Sending the 'PATCH' request response = requests.patch(self.url_correct( kwarg...
def delete_sync(self, **kwargs): ''' DELETE: delete data in the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point",), kwargs) response = requests.delete(self.url_correct( kwargs["point"], kwargs.get("auth", se...
def export_sync(self, **kwargs): ''' EXPORT: exports data from the Firebase into a File, if given. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point",), kwargs) response = requests.get(self.url_correct(kwargs["point"], ...
def superable(cls) : '''Provide .__super in python 2.x classes without having to specify the current class name each time super is used (DRY principle).''' name = cls.__name__ super_name = '_%s__super' % (name,) setattr(cls,super_name,super(cls)) return cls
def main(): """ Main method. This method holds what you want to execute when the script is run on command line. """ args = get_arguments() setup_logging(args) version_path = os.path.abspath(os.path.join( os.path.dirname(__file__), '..', '..', '.VERSION' ...
def valid_url(name): ''' Validates a Firebase URL. A valid URL must exhibit: - Protocol must be HTTPS - Domain Must be firebaseio.com - firebasename can only contain: - hyphen, small and capital letters - firebasename can not have leading and trailing hyphens - childnames can not c...
def pickle(obj, filepath): """Pickle and compress.""" arr = pkl.dumps(obj, -1) with open(filepath, 'wb') as f: s = 0 while s < len(arr): e = min(s + blosc.MAX_BUFFERSIZE, len(arr)) carr = blosc.compress(arr[s:e], typesize=8) f.write(carr) s = e
def unpickle(filepath): """Decompress and unpickle.""" arr = [] with open(filepath, 'rb') as f: carr = f.read(blosc.MAX_BUFFERSIZE) while len(carr) > 0: arr.append(blosc.decompress(carr)) carr = f.read(blosc.MAX_BUFFERSIZE) return pkl.loads(b"".join(arr))
def contact(request): """Displays the contact form and sends the email""" form = ContactForm(request.POST or None) if form.is_valid(): subject = form.cleaned_data['subject'] message = form.cleaned_data['message'] sender = form.cleaned_data['sender'] cc_myself = form.cleaned_d...
def load_gitconfig(self): """ try use gitconfig info. author,email etc. """ gitconfig_path = os.path.expanduser('~/.gitconfig') if os.path.exists(gitconfig_path): parser = Parser() parser.read(gitconfig_path) parser.sections() ...
def render(self, match_string, new_string): """ render template string to user string :param str match_string: template string,syntax: '___VAR___' :param str new_string: user string :return: """ current_dir = self.options.dir # safe check,we don't allow ...
def add_arguments(cls): """ Init project. """ return [ (('--yes',), dict(action='store_true', help='clean .git repo')), (('--variable', '-s'), dict(nargs='+', help='set extra variable,format is name:value')), (('--skip-builtin',), ...
def set_signal(self): """ 设置信号处理默认直接中断,考虑到一些场景用户需要等待线程结束. 可在此自定义操作 :return: """ def signal_handle(signum, frame): self.error("User interrupt.kill threads.") sys.exit(-1) pass signal.signal(signal.SIGINT, signal_hand...
def check_exclusive_mode(self): """ 检查是否是独占模式参数顺序必须一致,也就是说如果参数顺序不一致,则判定为是两个不同的进程这么设计是考虑到: - 一般而言,排他模式的服务启动都是crontab等脚本来完成的,不存在顺序变更的可能 - 这在调试的时候可以帮助我们不需要结束原有进程就可以继续调试 :return: """ if self.options.exclusive_mode: import psutil ...
def run(self, options): """ In general, you don't need to overwrite this method. :param options: :return: """ self.set_signal() self.check_exclusive_mode() slot = self.Handle(self) # start thread i = 0 while i < options.threads:...
def serial_ports(): ''' Returns ------- pandas.DataFrame Table of serial ports that match the USB vendor ID and product ID for the `Teensy 3.2`_ board. .. Teensy 3.2: https://www.pjrc.com/store/teensy32.html ''' df_comports = sd.comports() # Match COM ports with USB vend...
def combine_filenames(filenames, max_length=40): """Return a new filename to use as the combined file name for a bunch of files, based on the SHA of their contents. A precondition is that they all have the same file extension Given that the list of files can have different paths, we aim to use the ...
def apply_orientation(im): """ Extract the oritentation EXIF tag from the image, which should be a PIL Image instance, and if there is an orientation tag that would rotate the image, apply that rotation to the Image instance given to do an in-place rotation. :param Image im: Image instance to inspe...
def write(): """Start a new piece""" click.echo("Fantastic. Let's get started. ") title = click.prompt("What's the title?") # Make sure that title doesn't exist. url = slugify(title) url = click.prompt("What's the URL?", default=url) # Make sure that title doesn't exist. click.echo("Go...

def launch(title, items, selected=None): """ Launches a new menu. Wraps curses nicely so exceptions won't screw with the terminal too much. """ resp = {"code": -1, "done": False} curses.wrapper(Menu, title, items, selected, resp) return resp

def q(self, x, q0): """ Numerically solved trajectory function for initial conditons :math:`q(0) = q_0` and :math:`q'(0) = 0`. """ y1_0 = q0 y0_0 = 0 y0 = [y0_0, y1_0] y = _sp.integrate.odeint(self._func, y0, x, Dfun=self._gradient, rtol=self.rtol, atol=self.at...

def save(self, *args, **kwargs): """Overridden method that handles that re-ranking of objects and the integrity of the ``rank`` field. :param rerank: Added parameter, if True will rerank other objects based on the change in this save. Defaults to True. """ ...

def repack(self): """Removes any blank ranks in the order.""" items = self.grouped_filter().order_by('rank').select_for_update() for count, item in enumerate(items): item.rank = count + 1 item.save(rerank=False)

def refetch_for_update(obj): """Queries the database for the same object that is passed in, refetching its contents and runs ``select_for_update()`` to lock the corresponding row until the next commit. :param obj: Object to refetch :returns: Refreshed version of the object """ ...

def get_field_names(obj, ignore_auto=True, ignore_relations=True, exclude=[]): """Returns the field names of a Django model object. :param obj: the Django model class or object instance to get the fields from :param ignore_auto: ignore any fields of type AutoField. Defaults to True :pa...

def get_obj_attr(obj, attr): """Works like getattr() but supports django's double underscore object dereference notation. Example usage: .. code-block:: python >>> get_obj_attr(book, 'writer__age') 42 >>> get_obj_attr(book, 'publisher__address') <Address object at 105a...

def as_list(self): """Returns a list of strings describing the full paths and patterns along with the name of the urls. Example: .. code-block::python >>> u = URLTree() >>> u.as_list() [ 'admin/', 'admin/$, name=index', ...

def register( app): """ Register all HTTP error code error handlers Currently, errors are handled by the JSON error handler. """ # Pick a handler based on the requested format. Currently we assume the # caller wants JSON. error_handler = json.http_exception_error_handler @app...

def plot(*args, ax=None, **kwargs): """ Plots but automatically resizes x axis. .. versionadded:: 1.4 Parameters ---------- args Passed on to :meth:`matplotlib.axis.Axis.plot`. ax : :class:`matplotlib.axis.Axis`, optional The axis to plot to. kwargs Passed on to...

def linspacestep(start, stop, step=1): """ Create a vector of values over an interval with a specified step size. Parameters ---------- start : float The beginning of the interval. stop : float The end of the interval. step : float The step size. Returns --...

def mylogger(name=None, filename=None, indent_offset=7, level=_logging.DEBUG, stream_level=_logging.WARN, file_level=_logging.INFO): """ Sets up logging to *filename*.debug.log, *filename*.log, and the terminal. *indent_offset* attempts to line up the lowest indent level to 0. Custom levels: * *level*: Par...

def selected_course(func): """ Passes the selected course as the first argument to func. """ @wraps(func) def inner(*args, **kwargs): course = Course.get_selected() return func(course, *args, **kwargs) return inner

def selected_exercise(func): """ Passes the selected exercise as the first argument to func. """ @wraps(func) def inner(*args, **kwargs): exercise = Exercise.get_selected() return func(exercise, *args, **kwargs) return inner

def false_exit(func): """ If func returns False the program exits immediately. """ @wraps(func) def inner(*args, **kwargs): ret = func(*args, **kwargs) if ret is False: if "TMC_TESTING" in os.environ: raise TMCExit() else: sys.e...

def configure(server=None, username=None, password=None, tid=None, auto=False): """ Configure tmc.py to use your account. """ if not server and not username and not password and not tid: if Config.has(): if not yn_prompt("Override old configuration", False): return Fa...

def download(course, tid=None, dl_all=False, force=False, upgradejava=False, update=False): """ Download the exercises from the server. """ def dl(id): download_exercise(Exercise.get(Exercise.tid == id), force=force, update_java=u...

def skip(course, num=1): """ Go to the next exercise. """ sel = None try: sel = Exercise.get_selected() if sel.course.tid != course.tid: sel = None except NoExerciseSelected: pass if sel is None: sel = course.exercises.first() else: tr...

def run(exercise, command): """ Spawns a process with `command path-of-exercise` """ Popen(['nohup', command, exercise.path()], stdout=DEVNULL, stderr=DEVNULL)

def select(course=False, tid=None, auto=False): """ Select a course or an exercise. """ if course: update(course=True) course = None try: course = Course.get_selected() except NoCourseSelected: pass ret = {} if not tid: ...

def submit(course, tid=None, pastebin=False, review=False): """ Submit the selected exercise to the server. """ if tid is not None: return submit_exercise(Exercise.byid(tid), pastebin=pastebin, request_review=review) else: ...

def paste(tid=None, review=False): """ Sends the selected exercise to the TMC pastebin. """ submit(pastebin=True, tid=tid, review=False)

def list_all(course, single=None): """ Lists all of the exercises in the current course. """ def bs(val): return "●" if val else " " def bc(val): return as_success("✔") if val else as_error("✘") def format_line(exercise): return "{0} │ {1} │ {2} │ {3} │ {4}".format(exe...

def update(course=False): """ Update the data of courses and or exercises from server. """ if course: with Spinner.context(msg="Updated course metadata.", waitmsg="Updating course metadata."): for course in api.get_courses(): old = None ...

def determine_type(x): """Determine the type of x""" types = (int, float, str) _type = filter(lambda a: is_type(a, x), types)[0] return _type(x)

def dmap(fn, record): """map for a directory""" values = (fn(v) for k, v in record.items()) return dict(itertools.izip(record, values))

def apply_types(use_types, guess_type, line): """Apply the types on the elements of the line""" new_line = {} for k, v in line.items(): if use_types.has_key(k): new_line[k] = force_type(use_types[k], v) elif guess_type: new_line[k] = determine_type(v) else: ...

def read_csv(filename, delimiter=",", skip=0, guess_type=True, has_header=True, use_types={}): """Read a CSV file Usage ----- >>> data = read_csv(filename, delimiter=delimiter, skip=skip, guess_type=guess_type, has_header=True, use_types={}) # Use specific types >>> types = {"...

def write_csv(filename, header, data=None, rows=None, mode="w"): """Write the data to the specified filename Usage ----- >>> write_csv(filename, header, data, mode=mode) Parameters ---------- filename : str The name of the file header : list of strings The names of...

def format_to_csv(filename, skiprows=0, delimiter=""): """Convert a file to a .csv file""" if not delimiter: delimiter = "\t" input_file = open(filename, "r") if skiprows: [input_file.readline() for _ in range(skiprows)] new_filename = os.path.splitext(filename)[0] + ".csv" o...

def savefig(filename, path="figs", fig=None, ext='eps', verbose=False, **kwargs): """ Save the figure *fig* (optional, if not specified, latest figure in focus) to *filename* in the path *path* with extension *ext*. *\*\*kwargs* is passed to :meth:`matplotlib.figure.Figure.savefig`. """ filename ...

def admin_obj_link(obj, display=''): """Returns a link to the django admin change list with a filter set to only the object given. :param obj: Object to create the admin change list display link for :param display: Text to display in the link. Defaults to string call of the object ...

def admin_obj_attr(obj, attr): """A safe version of :func:``utils.get_obj_attr`` that returns and empty string in the case of an exception or an empty object """ try: field_obj = get_obj_attr(obj, attr) if not field_obj: return '' except AttributeError: return '' ...

def _obj_display(obj, display=''): """Returns string representation of an object, either the default or based on the display template passed in. """ result = '' if not display: result = str(obj) else: template = Template(display) context = Context({'obj':obj}) res...

def make_admin_obj_mixin(name): """This method dynamically creates a mixin to be used with your :class:`ModelAdmin` classes. The mixin provides utility methods that can be referenced in side of the admin object's ``list_display`` and other similar attributes. :param name: Each usage o...

def fancy_modeladmin(*args): """Returns a new copy of a :class:`FancyModelAdmin` class (a class, not an instance!). This can then be inherited from when declaring a model admin class. The :class:`FancyModelAdmin` class has additional methods for managing the ``list_display`` attribute. :param ``*ar...

def add_display(cls, attr, title=''): """Adds a ``list_display`` property without any extra wrappers, similar to :func:`add_displays`, but can also change the title. :param attr: Name of the attribute to add to the display :param title: Title for the column of t...

def add_link(cls, attr, title='', display=''): """Adds a ``list_display`` attribute that appears as a link to the django admin change page for the type of object being shown. Supports double underscore attribute name dereferencing. :param attr: Name of the attribute to deref...

def add_object(cls, attr, title='', display=''): """Adds a ``list_display`` attribute showing an object. Supports double underscore attribute name dereferencing. :param attr: Name of the attribute to dereference from the corresponding object, i.e. what will be lined to....

def add_formatted_field(cls, field, format_string, title=''): """Adds a ``list_display`` attribute showing a field in the object using a python %formatted string. :param field: Name of the field in the object. :param format_string: A old-style (to remain python ...

def post_required(method_or_options=[]): """View decorator that enforces that the method was called using POST. This decorator can be called with or without parameters. As it is expected to wrap a view, the first argument of the method being wrapped is expected to be a ``request`` object. .. code-...

def json_post_required(*decorator_args): """View decorator that enforces that the method was called using POST and contains a field containing a JSON dictionary. This method should only be used to wrap views and assumes the first argument of the method being wrapped is a ``request`` object. .. code...

def hist(x, bins=10, labels=None, aspect="auto", plot=True, ax=None, range=None): """ Creates a histogram of data *x* with a *bins*, *labels* = :code:`[title, xlabel, ylabel]`. """ h, edge = _np.histogram(x, bins=bins, range=range) mids = edge + (edge[1]-edge[0])/2 mids = mids[:-1] if...

def sigma(self): """ Spot size of matched beam :math:`\\left( \\frac{2 E \\varepsilon_0 }{ n_p e^2 } \\right)^{1/4} \\sqrt{\\epsilon}` """ return _np.power(2*_sltr.GeV2joule(self.E)*_spc.epsilon_0 / (self.plasma.n_p * _np.power(_spc.elementary_charge, 2)) , 0.25) * _np.sqrt(self.emit)

def sigma_prime(self): """ Divergence of matched beam """ return _np.sqrt(self.emit/self.beta(self.E))

def n_p(self): """ The plasma density in SI units. """ return 2*_sltr.GeV2joule(self.E)*_spc.epsilon_0 / (self.beta*_spc.elementary_charge)**2

def plasma(self, species=_pt.hydrogen): """ The matched :class:`Plasma`. """ return _Plasma(self.n_p, species=species)

def main(target, label): """ Semver tag triggered deployment helper """ check_environment(target, label) click.secho('Fetching tags from the upstream ...') handler = TagHandler(git.list_tags()) print_information(handler, label) tag = handler.yield_tag(target, label) confirm(tag)

def check_environment(target, label): """ Performs some environment checks prior to the program's execution """ if not git.exists(): click.secho('You must have git installed to use yld.', fg='red') sys.exit(1) if not os.path.isdir('.git'): click.secho('You must cd into a git...

def print_information(handler, label): """ Prints latest tag's information """ click.echo('=> Latest stable: {tag}'.format( tag=click.style(str(handler.latest_stable or 'N/A'), fg='yellow' if handler.latest_stable else 'magenta') )) if label is not None: ...

def confirm(tag): """ Prompts user before proceeding """ click.echo() if click.confirm('Do you want to create the tag {tag}?'.format( tag=click.style(str(tag), fg='yellow')), default=True, abort=True): git.create_tag(tag) if click.confirm( 'Do you want to pus...

def imshow(X, ax=None, add_cbar=True, rescale_fig=True, **kwargs): """ Plots an array *X* such that the first coordinate is the *x* coordinate and the second coordinate is the *y* coordinate, with the origin at the bottom left corner. Optional argument *ax* allows an existing axes to be used. *\*\*kwa...

def scaled_figsize(X, figsize=None, h_pad=None, v_pad=None): """ Given an array *X*, determine a good size for the figure to be by shrinking it to fit within *figsize*. If not specified, shrinks to fit the figsize specified by the current :attr:`matplotlib.rcParams`. .. versionadded:: 1.3 """ if fi...

def get(f, key, default=None): """ Gets an array from datasets. .. versionadded:: 1.4 """ if key in f.keys(): val = f[key].value if default is None: return val else: if _np.shape(val) == _np.shape(default): return val return def...

def get_state(self): """Get the current directory state""" return [os.path.join(dp, f) for dp, _, fn in os.walk(self.dir) for f in fn]

def tick(self): """Add one tick to progress bar""" self.current += 1 if self.current == self.factor: sys.stdout.write('+') sys.stdout.flush() self.current = 0

def push(self, k): """Push k to the top of the list >>> l = DLL() >>> l.push(1) >>> l [1] >>> l.push(2) >>> l [2, 1] >>> l.push(3) >>> l [3, 2, 1] """ if not self._first: # first item self._f...

def deletenode(self, node): """ >>> l = DLL() >>> l.push(1) >>> l [1] >>> l.size() 1 >>> l.deletenode(l._first) >>> l [] >>> l.size() 0 >>> l._index {} >>> l._first """ if self._last =...

def pop(self): """ >>> l = DLL() >>> l.push(1) >>> l.pop() 1 """ k = self._last.value self.deletenode(self._last) return k

def increment(cls, name): """Call this method to increment the named counter. This is atomic on the database. :param name: Name for a previously created ``Counter`` object """ with transaction.atomic(): counter = Counter.objects.select_for_update().get(...

def pcolor_axes(array, px_to_units=px_to_units): """ Return axes :code:`x, y` for *array* to be used with :func:`matplotlib.pyplot.color`. *px_to_units* is a function to convert pixels to units. By default, returns pixels. """ # ====================================== # Coords need to be +1 larg...

def nb0(self): """ On-axis beam density :math:`n_{b,0}`. """ return self.N_e / ( (2*_np.pi)**(3/2) * self.sig_r**2 * self.sig_xi)

def lambda_large(self, r0): """ The wavelength for large (:math:`r_0 < \\sigma_r`) oscillations. """ return 2*_np.sqrt(2*_np.pi/self.k)*r0

def r_small(self, x, r0): """ Approximate trajectory function for small (:math:`r_0 < \\sigma_r`) oscillations. """ return r0*_np.cos(_np.sqrt(self.k_small) * x)

def r_large(self, x, r0): """ Approximate trajectory function for large (:math:`r_0 > \\sigma_r`) oscillations. """ return r0*_np.cos(x*self.omega_big(r0))

def k(self): """ Driving force term: :math:`r'' = -k \\left( \\frac{1-e^{-r^2/2{\\sigma_r}^2}}{r} \\right)` """ try: return self._k except AttributeError: self._k = e**2 * self.N_e / ( (2*_np.pi)**(5/2) * e0 * self.m * c**2 * self.sig_xi) retur...

def print_loading(self, wait, message): """ print loading message on screen .. note:: loading message only write to `sys.stdout` :param int wait: seconds to wait :param str message: message to print :return: None """ tags = ['\\', '|', '/',...

def warn_message(self, message, fh=None, prefix="[warn]:", suffix="..."): """ print warn type message, if file handle is `sys.stdout`, print color message :param str message: message to print :param file fh: file handle,default is `sys.stdout` :param str prefix: message...

def error_message(self, message, fh=None, prefix="[error]:", suffix="..."): """ print error type message if file handle is `sys.stderr`, print color message :param str message: message to print :param file fh: file handle, default is `sys.stdout` :p...

def system(self, cmd, fake_code=False): """ a built-in wrapper make dry-run easier. you should use this instead use `os.system` .. note:: to use it,you need add '--dry-run' option in your argparser options :param str cmd: command to execute :pa...

def load_resource(path, root=''): """ .. warning:: Experiment feature. BE CAREFUL! WE MAY REMOVE THIS FEATURE! load resource file which in package. this method is used to load file easier in different environment. e.g: consume we have a file ...

def load_description(name, root=''): """ .. warning:: Experiment feature. BE CAREFUL! WE MAY REMOVE THIS FEATURE! Load resource file as description, if resource file not exist,will return empty string. :param str path: name resource path :para...

def name(self): ''' Returns the name of the Firebase. If a Firebase instance points to 'https://my_firebase.firebaseio.com/users' its name would be 'users' ''' i = self.__url.rfind('/') if self.__url[:i] == 'https:/': return "/" return self.__url[i+1:]

def url_correct(self, point, auth=None, export=None): ''' Returns a Corrected URL to be used for a Request as per the REST API. ''' newUrl = self.__url + point + '.json' if auth or export: newUrl += "?" if auth: newUrl += ("auth=" + auth) ...

def __read(path): ''' Reads a File with contents in correct JSON format. Returns the data as Python objects. path - (string) path to the file ''' try: with open(path, 'r') as data_file: data = data_file.read() data = json.loads(...

def __write(path, data, mode="w"): ''' Writes to a File. Returns the data written. path - (string) path to the file to write to. data - (json) data from a request. mode - (string) mode to open the file in. Default to 'w'. Overwrites. ''' with open(path, mode) as d...

def amust(self, args, argv): ''' Requires the User to provide a certain parameter for the method to function properly. Else, an Exception is raised. args - (tuple) arguments you are looking for. argv - (dict) arguments you have received and want to inspect. ''' ...

def catch_error(response): ''' Checks for Errors in a Response. 401 or 403 - Security Rules Violation. 404 or 417 - Firebase NOT Found. response - (Request.Response) - response from a request. ''' status = response.status_code if status == 401 or status ==...

def get_sync(self, **kwargs): ''' GET: gets data from the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point",), kwargs) response = requests.get(self.url_correct(kwargs["point"], kwargs.get("auth", sel...

def put_sync(self, **kwargs): ''' PUT: puts data into the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point", "data"), kwargs) response = requests.put(self.url_correct(kwargs["point"], kwargs.get("aut...

def post_sync(self, **kwargs): ''' POST: post data to a Firebase. Requires the 'point' parameter as a keyworded argument. Note: Firebase will give it a randomized "key" and the data will be the "value". Thus a key-value pair ''' self.amust(("point", "data"), kwar...

def update_sync(self, **kwargs): ''' UPDATE: updates data in the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point", "data"), kwargs) # Sending the 'PATCH' request response = requests.patch(self.url_correct( kwarg...

def delete_sync(self, **kwargs): ''' DELETE: delete data in the Firebase. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point",), kwargs) response = requests.delete(self.url_correct( kwargs["point"], kwargs.get("auth", se...

def export_sync(self, **kwargs): ''' EXPORT: exports data from the Firebase into a File, if given. Requires the 'point' parameter as a keyworded argument. ''' self.amust(("point",), kwargs) response = requests.get(self.url_correct(kwargs["point"], ...

def superable(cls) : '''Provide .__super in python 2.x classes without having to specify the current class name each time super is used (DRY principle).''' name = cls.__name__ super_name = '_%s__super' % (name,) setattr(cls,super_name,super(cls)) return cls

def main(): """ Main method. This method holds what you want to execute when the script is run on command line. """ args = get_arguments() setup_logging(args) version_path = os.path.abspath(os.path.join( os.path.dirname(__file__), '..', '..', '.VERSION' ...

def valid_url(name): ''' Validates a Firebase URL. A valid URL must exhibit: - Protocol must be HTTPS - Domain Must be firebaseio.com - firebasename can only contain: - hyphen, small and capital letters - firebasename can not have leading and trailing hyphens - childnames can not c...

def pickle(obj, filepath): """Pickle and compress.""" arr = pkl.dumps(obj, -1) with open(filepath, 'wb') as f: s = 0 while s < len(arr): e = min(s + blosc.MAX_BUFFERSIZE, len(arr)) carr = blosc.compress(arr[s:e], typesize=8) f.write(carr) s = e

def unpickle(filepath): """Decompress and unpickle.""" arr = [] with open(filepath, 'rb') as f: carr = f.read(blosc.MAX_BUFFERSIZE) while len(carr) > 0: arr.append(blosc.decompress(carr)) carr = f.read(blosc.MAX_BUFFERSIZE) return pkl.loads(b"".join(arr))

def contact(request): """Displays the contact form and sends the email""" form = ContactForm(request.POST or None) if form.is_valid(): subject = form.cleaned_data['subject'] message = form.cleaned_data['message'] sender = form.cleaned_data['sender'] cc_myself = form.cleaned_d...

def load_gitconfig(self): """ try use gitconfig info. author,email etc. """ gitconfig_path = os.path.expanduser('~/.gitconfig') if os.path.exists(gitconfig_path): parser = Parser() parser.read(gitconfig_path) parser.sections() ...

def render(self, match_string, new_string): """ render template string to user string :param str match_string: template string,syntax: '___VAR___' :param str new_string: user string :return: """ current_dir = self.options.dir # safe check,we don't allow ...

def add_arguments(cls): """ Init project. """ return [ (('--yes',), dict(action='store_true', help='clean .git repo')), (('--variable', '-s'), dict(nargs='+', help='set extra variable,format is name:value')), (('--skip-builtin',), ...

def set_signal(self): """ 设置信号处理默认直接中断,考虑到一些场景用户需要等待线程结束. 可在此自定义操作 :return: """ def signal_handle(signum, frame): self.error("User interrupt.kill threads.") sys.exit(-1) pass signal.signal(signal.SIGINT, signal_hand...

def check_exclusive_mode(self): """ 检查是否是独占模式参数顺序必须一致,也就是说如果参数顺序不一致,则判定为是两个不同的进程这么设计是考虑到: - 一般而言,排他模式的服务启动都是crontab等脚本来完成的,不存在顺序变更的可能 - 这在调试的时候可以帮助我们不需要结束原有进程就可以继续调试 :return: """ if self.options.exclusive_mode: import psutil ...

def run(self, options): """ In general, you don't need to overwrite this method. :param options: :return: """ self.set_signal() self.check_exclusive_mode() slot = self.Handle(self) # start thread i = 0 while i < options.threads:...

def serial_ports(): ''' Returns ------- pandas.DataFrame Table of serial ports that match the USB vendor ID and product ID for the `Teensy 3.2`_ board. .. Teensy 3.2: https://www.pjrc.com/store/teensy32.html ''' df_comports = sd.comports() # Match COM ports with USB vend...

def combine_filenames(filenames, max_length=40): """Return a new filename to use as the combined file name for a bunch of files, based on the SHA of their contents. A precondition is that they all have the same file extension Given that the list of files can have different paths, we aim to use the ...

def apply_orientation(im): """ Extract the oritentation EXIF tag from the image, which should be a PIL Image instance, and if there is an orientation tag that would rotate the image, apply that rotation to the Image instance given to do an in-place rotation. :param Image im: Image instance to inspe...

def write(): """Start a new piece""" click.echo("Fantastic. Let's get started. ") title = click.prompt("What's the title?") # Make sure that title doesn't exist. url = slugify(title) url = click.prompt("What's the URL?", default=url) # Make sure that title doesn't exist. click.echo("Go...