BoghdadyJR/codesearch_python · Datasets at Hugging Face

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def path(self, a_hash, b_hash): """Return nodes in the path between 'a' and 'b' going from parent to child NOT including 'a' """ def _path(a, b): if a is b: return [a] else: assert len(a.children) == 1 return [a] + _path(a....
def _rindex(mylist: Sequence[T], x: T) -> int: """Index of the last occurrence of x in the sequence.""" return len(mylist) - mylist[::-1].index(x) - 1
def raw_to_delimited(header: Header, raw_payload: RawPayload) -> DelimitedMsg: """\ Returns a message consisting of header frames, delimiter frame, and payload frames. The payload frames may be given as sequences of bytes (raw) or as `Message`s. """ return tuple(header) + (b'',) + tuple(raw_payload)
def to_delimited(header: Header, payload: Payload, side: CommSide) -> DelimitedMsg: """\ Returns a message consisting of header frames, delimiter frame, and payload frames. The payload frames may be given as sequences of bytes (raw) or as `Message`s. """ return raw_to_delimited(header, [side.seriali...
def raw_from_delimited(msgs: DelimitedMsg) -> RawMsgs: """\ From a message consisting of header frames, delimiter frame, and payload frames, return a tuple `(header, payload)`. The payload frames may be returned as sequences of bytes (raw) or as `Message`s. """ delim = _rindex(msgs, b'') return ...
def from_delimited(msgs: DelimitedMsg, side: CommSide) -> Msgs: """\ From a message consisting of header frames, delimiter frame, and payload frames, return a tuple `(header, payload)`. The payload frames may be returned as sequences of bytes (raw) or as `Message`s. """ header, raw_payload = raw_fro...
def figure(title=None, *kwargs): """ Creates a figure with \\kwargs* with a window title title. Returns class :class:`matplotlib.figure.Figure`. """ fig = _figure(**kwargs) if title is not None: fig.canvas.set_window_title(title) return fig
def create_admin(username='admin', email='admin@admin.com', password='admin'): """Create and save an admin user. :param username: Admin account's username. Defaults to 'admin' :param email: Admin account's email address. Defaults to 'admin@admin.com' :param password: Admin acc...
def messages_from_response(response): """Returns a list of the messages from the django MessageMiddleware package contained within the given response. This is to be used during unit testing when trying to see if a message was set properly in a view. :param response: HttpResponse object, likely obtaine...
def initiate(self): """Sets up the :class:`AdminSite` and creates a user with the appropriate privileges. This should be called from the inheritor's :class:`TestCase.setUp` method. """ self.site = admin.sites.AdminSite() self.admin_user = create_admin(self.USERNAME, self...
def authorize(self): """Authenticates the superuser account via the web login.""" response = self.client.login(username=self.USERNAME, password=self.PASSWORD) self.assertTrue(response) self.authed = True
def authed_get(self, url, response_code=200, headers={}, follow=False): """Does a django test client ``get`` against the given url after logging in the admin first. :param url: URL to fetch :param response_code: Expected response code from the URL fetch. This va...
def authed_post(self, url, data, response_code=200, follow=False, headers={}): """Does a django test client ``post`` against the given url after logging in the admin first. :param url: URL to fetch :param data: Dictionary to form contents to post ...
def visit_admin_link(self, admin_model, instance, field_name, response_code=200, headers={}): """This method is used for testing links that are in the change list view of the django admin. For the given instance and field name, the HTML link tags in the column are parsed for a URL a...
def field_value(self, admin_model, instance, field_name): """Returns the value displayed in the column on the web interface for a given instance. :param admin_model: Instance of a :class:`admin.ModelAdmin` object that is responsible for displaying the change list ...
def field_names(self, admin_model): """Returns the names of the fields/columns used by the given admin model. :param admin_model: Instance of a :class:`admin.ModelAdmin` object that is responsible for displaying the change list :returns: List of field...
def githubtunnel(user1, server1, user2, server2, port, verbose, stanford=False): """ Opens a nested tunnel, first to user1@server1, then to user2@server2, for accessing on port. If verbose is true, prints various ssh commands. If stanford is true, shifts ports up by 1. Attempts to g...
def imgmax(self): """ Highest value of input image. """ if not hasattr(self, '_imgmax'): imgmax = _np.max(self.images[0]) for img in self.images: imax = _np.max(img) if imax > imgmax: imgmax = imax s...
def imgmin(self): """ Lowest value of input image. """ if not hasattr(self, '_imgmin'): imgmin = _np.min(self.images[0]) for img in self.images: imin = _np.min(img) if imin > imgmin: imgmin = imin se...
def spawn(func, args, kwargs): """ spawns a greenlet that does not print exceptions to the screen. if you use this function you MUST use this module's join or joinall otherwise the exception will be lost """ return gevent.spawn(wrap_uncaught_greenlet_exceptions(func), args, **kwargs)
def _usage(prog_name=os.path.basename(sys.argv[0])): '''Returns usage string with no trailing whitespace.''' spacer = ' ' * len('usage: ') usage = prog_name + ' -b LIST [-S SEPARATOR] [file ...]\n' \ + spacer + prog_name + ' -c LIST [-S SEPERATOR] [file ...]\n' \ + spacer + prog_name \ ...
def _parse_args(args): """Setup argparser to process arguments and generate help""" # parser uses custom usage string, with 'usage: ' removed, as it is # added automatically via argparser. parser = argparse.ArgumentParser(description="Remove and/or rearrange " + "se...
def main(args=sys.argv[1:]): '''Processes command line arguments and file i/o''' if not args: sys.stderr.write(_usage() + '\n') sys.exit(4) else: parsed = _parse_args(args) # Set delim based on whether or not regex is desired by user delim = parsed.delimiter if parsed.regex ...
def NonUniformImage_axes(img): """ Returns axes x, y for a given image img to be used with :func:`scisalt.matplotlib.NonUniformImage`. Returns ------- x, y : float, float """ xmin = 0 xmax = img.shape[1]-1 ymin = 0 ymax = img.shape[0]-1 x = _np.linspace(xmin, xmax, img.s...
def move(request, content_type_id, obj_id, rank): """View to be used in the django admin for changing a :class:`RankedModel` object's rank. See :func:`admin_link_move_up` and :func:`admin_link_move_down` for helper functions to incoroprate in your admin models. Upon completion this view sends the ...
def open_s3(bucket): """ Opens connection to S3 returning bucket and key """ conn = boto.connect_s3(options.paved.s3.access_id, options.paved.s3.secret) try: bucket = conn.get_bucket(bucket) except boto.exception.S3ResponseError: bucket = conn.create_bucket(bucket) return buc...
def upload_s3(file_path, bucket_name, file_key, force=False, acl='private'): """Upload a local file to S3. """ file_path = path(file_path) bucket = open_s3(bucket_name) if file_path.isdir(): # Upload the contents of the dir path. paths = file_path.listdir() paths_keys = list...
def download_s3(bucket_name, file_key, file_path, force=False): """Download a remote file from S3. """ file_path = path(file_path) bucket = open_s3(bucket_name) file_dir = file_path.dirname() file_dir.makedirs() s3_key = bucket.get_key(file_key) if file_path.exists(): file_data...
def create_ical(request, slug): """ Creates an ical .ics file for an event using python-card-me. """ event = get_object_or_404(Event, slug=slug) # convert dates to datetimes. # when we change code to datetimes, we won't have to do this. start = event.start_date start = datetime.datetime(start.ye...
def event_all_comments_list(request, slug): """ Returns a list view of all comments for a given event. Combines event comments and update comments in one list. """ event = get_object_or_404(Event, slug=slug) comments = event.all_comments page = int(request.GET.get('page', 99999)) # feed emp...
def event_update_list(request, slug): """ Returns a list view of updates for a given event. If the event is over, it will be in chronological order. If the event is upcoming or still going, it will be in reverse chronological order. """ event = get_object_or_404(Event, slug=slug) updates...
def video_list(request, slug): """ Displays list of videos for given event. """ event = get_object_or_404(Event, slug=slug) return render(request, 'video/video_list.html', { 'event': event, 'video_list': event.eventvideo_set.all() })
def add_event(request): """ Public form to add an event. """ form = AddEventForm(request.POST or None) if form.is_valid(): instance = form.save(commit=False) instance.sites = settings.SITE_ID instance.submitted_by = request.user instance.approved = True instance.slug ...
def add_memory(request, slug): """ Adds a memory to an event. """ event = get_object_or_404(Event, slug=slug) form = MemoryForm(request.POST or None, request.FILES or None) if form.is_valid(): instance = form.save(commit=False) instance.user = request.user instance.event = event ...
def process_upload(upload_file, instance, form, event, request): """ Helper function that actually processes and saves the upload(s). Segregated out for readability. """ caption = form.cleaned_data.get('caption') upload_name = upload_file.name.lower() if upload_name.endswith('.jpg') or uploa...
def _get_search_path(main_file_dir, sys_path): ''' Find the parent python path that contains the __main__'s file directory :param main_file_dir: __main__'s file directory :param sys_path: paths list to match directory against (like sys.path) ''' # List to gather candidate parent paths paths...
def _try_search_paths(main_globals): ''' Try different strategies to found the path containing the __main__'s file. Will try strategies, in the following order: 1. Building file's path with PWD env var. 2. Building file's path from absolute file's path. 3. Buidling file's path from r...
def _solve_pkg(main_globals): ''' Find parent python path of __main__. From there solve the package containing __main__, import it and set __package__ variable. :param main_globals: globals dictionary in __main__ ''' # find __main__'s file directory and search path main_dir, search_path = _...
def _log_debug(msg): ''' Log at debug level :param msg: message to log ''' if _log_level <= DEBUG: if _log_level == TRACE: traceback.print_stack() _log(msg)
def init(log_level=ERROR): ''' Enables explicit relative import in sub-modules when ran as __main__ :param log_level: module's inner logger level (equivalent to logging pkg) ''' global _initialized if _initialized: return else: _initialized = True # find caller's frame ...
def _init(frame, log_level=ERROR): ''' Enables explicit relative import in sub-modules when ran as __main__ :param log_level: module's inner logger level (equivalent to logging pkg) ''' global _log_level _log_level = log_level # now we have access to the module globals main_globals = fra...
def curve_fit_unscaled(args, kwargs): """ Use the reduced chi square to unscale :mod:`scipy`'s scaled :func:`scipy.optimize.curve_fit`. \args and \\kwargs are passed through to :func:`scipy.optimize.curve_fit`. The tuple popt, pcov, chisq_red is returned, where popt is the optimal values for the p...
def fitimageslice(img, res_x, res_y, xslice, yslice, avg_e_func=None, h5file=None, plot=False): """ Fits a gaussian to a slice of an image img specified by xslice x-coordinates and yslice y-coordinates. res_x and res_y specify image resolution in x and y. avg_e_func is a function that returns the en...
def encode(python_object, indent=None, large_object=False): """:returns: a JSON-representation of the object""" # sorted keys is easier to read; however, Python-2.7.2 does not have this feature kwargs = dict(indent=indent) if can_dumps_sort_keys(): kwargs.update(sort_keys=True) try: ...
def __register_library(self, module_name: str, attr: str, fallback: str = None): """Inserts Interpreter Library of imports into sketch in a very non-consensual way""" # Import the module Named in the string try: module = importlib.import_module(module_name) # If module is n...
def set_moments(self, sx, sxp, sxxp): """ Sets the beam moments directly. Parameters ---------- sx : float Beam moment where :math:`\\text{sx}^2 = \\langle x^2 \\rangle`. sxp : float Beam moment where :math:`\\text{sxp}^2 = \\langle x'^2 \\rangle`...
def set_Courant_Snyder(self, beta, alpha, emit=None, emit_n=None): """ Sets the beam moments indirectly using Courant-Snyder parameters. Parameters ---------- beta : float Courant-Snyder parameter :math:`\\beta`. alpha : float Courant-Snyder param...
def beta(self): """ Courant-Snyder parameter :math:`\\beta`. """ beta = _np.sqrt(self.sx)/self.emit return beta
def normalize_slice(slice_obj, length): """ Given a slice object, return appropriate values for use in the range function :param slice_obj: The slice object or integer provided in the `[]` notation :param length: For negative indexing we need to know the max length of the object. """ if isinsta...
def error(self, error_code, value, **kwargs): """ Helper to add error to messages field. It fills placeholder with extra call parameters or values from message_value map. :param error_code: Error code to use :rparam error_code: str :param value: Value checked :pa...
def copy(src, dst): """File copy that support compress and decompress of zip files""" (szip, dzip) = (src.endswith(".zip"), dst.endswith(".zip")) logging.info("Copy: %s => %s"%(src, dst)) if szip and dzip:#If both zipped, we can simply use copy shutil.copy2(src, dst) elif szip: wit...
def apply_changesets(args, changesets, catalog): """Apply to the 'catalog' the changesets in the metafile list 'changesets'""" tmpdir = tempfile.mkdtemp() tmp_patch = join(tmpdir, "tmp.patch") tmp_lcat = join(tmpdir, "tmp.lcat") for node in changesets: remove(tmp_patch) copy(node....
def clean(self): """ Validate that an event with this name on this date does not exist. """ cleaned = super(EventForm, self).clean() if Event.objects.filter(name=cleaned['name'], start_date=cleaned['start_date']).count(): raise forms.ValidationError(u'This event appea...
def loop_in_background(interval, callback): """ When entering the context, spawns a greenlet that sleeps for `interval` seconds between `callback` executions. When leaving the context stops the greenlet. The yielded object is the `GeventLoop` object so the loop can be stopped from within the context. ...
def _loop(self): """Main loop - used internally.""" while True: try: with uncaught_greenlet_exception_context(): self._loop_callback() except gevent.GreenletExit: break if self._stop_event.wait(self._interval): ...
def start(self): """ Starts the loop. Calling a running loop is an error. """ assert not self.has_started(), "called start() on an active GeventLoop" self._stop_event = Event() # note that we don't use safe_greenlets.spawn because we take care of it in _loop by ourselves ...
def stop(self, timeout=None): """ Stops a running loop and waits for it to end if timeout is set. Calling a non-running loop is an error. :param timeout: time (in seconds) to wait for the loop to end after signalling it. ``None`` is to block till it ends. :return: True if the loo...
def kill(self): """Kills the running loop and waits till it gets killed.""" assert self.has_started(), "called kill() on a non-active GeventLoop" self._stop_event.set() self._greenlet.kill() self._clear()
def NonUniformImage(x, y, z, ax=None, fig=None, cmap=None, alpha=None, scalex=True, scaley=True, add_cbar=True, **kwargs): """ Used to plot a set of coordinates. Parameters ---------- x, y : :class:`numpy.ndarray` 1-D ndarrays of lengths N and M, respectively, specifying pixel centers ...
def _sentence_to_interstitial_spacing(self): """Fix common spacing errors caused by LaTeX's habit of using an inter-sentence space after any full stop.""" not_sentence_end_chars = [' '] abbreviations = ['i.e.', 'e.g.', ' v.', ' w.', ' wh.'] titles = ['Prof.', 'Mr.', ...
def _hyphens_to_dashes(self): """Transform hyphens to various kinds of dashes""" problematic_hyphens = [(r'-([.,!)])', r'---\1'), (r'(?<=\d)-(?=\d)', '--'), (r'(?<=\s)-(?=\s)', '---')] for problem_case in problematic_hyphens: self._...
def _str_replacement(self, target, replacement): """Replace target with replacement""" self.data = self.data.replace(target, replacement)
def _regex_replacement(self, target, replacement): """Regex substitute target with replacement""" match = re.compile(target) self.data = match.sub(replacement, self.data)
def sphinx_make(*targets): """Call the Sphinx Makefile with the specified targets. `options.paved.docs.path`: the path to the Sphinx folder (where the Makefile resides). """ sh('make %s' % ' '.join(targets), cwd=options.paved.docs.path)
def rsync_docs(): """Upload the docs to a remote location via rsync. `options.paved.docs.rsync_location`: the target location to rsync files to. `options.paved.docs.path`: the path to the Sphinx folder (where the Makefile resides). `options.paved.docs.build_rel`: the path of the documentation ...
def ghpages(): '''Push Sphinx docs to github_ gh-pages branch. 1. Create file .nojekyll 2. Push the branch to origin/gh-pages after committing using ghp-import_ Requirements: - easy_install ghp-import Options: - `options.paved.docs.*` is not used - `options.sphinx.docroot...
def showhtml(): """Open your web browser and display the generated html documentation. """ import webbrowser # copy from paver opts = options docroot = path(opts.get('docroot', 'docs')) if not docroot.exists(): raise BuildFailure("Sphinx documentation root (%s) does not exist." ...
def setup_figure(rows=1, cols=1, *kwargs): """ Sets up a figure with a number of rows (rows) and columns (cols), \\kwargs* passes through to :class:`matplotlib.figure.Figure`. .. versionchanged:: 1.3 Supports \\kwargs pass-through to :class:`matplotlib.figure.Figure`. .. vers...
def guess(self, *args): self._validate() """ guess() allows a guess to be made. Before the guess is made, the method checks to see if the game has been won, lost, or there are no tries remaining. It then creates a return object stating the number of bulls (direct matches)...
def _start_again(self, message=None): """Simple method to form a start again message and give the answer in readable form.""" logging.debug("Start again message delivered: {}".format(message)) the_answer = self._game.answer_str return "{0} The correct answer was {1}. Please start a new ...
def attachments(value, obj, width = WIDTH): """ Parse the copy inside ``value`` and look for shortcodes in this format:: <p>Here's an attachment</p> <p>[attachment 1]</p> Replace the shortcode with a full image, video or audio element, or download link :param obj: The obje...
def minify(self, css): """Tries to minimize the length of CSS code passed as parameter. Returns string.""" css = css.replace("\r\n", "\n") # get rid of Windows line endings, if they exist for rule in _REPLACERS[self.level]: css = re.compile(rule[0], re.MULTILINE\|re.UNICODE\|re.DOTALL).sub(rul...
def colorbar(ax, im, fig=None, loc="right", size="5%", pad="3%"): """ Adds a polite colorbar that steals space so :func:`matplotlib.pyplot.tight_layout` works nicely. .. versionadded:: 1.3 Parameters ---------- ax : :class:`matplotlib.axis.Axis` The axis to plot to. im : :class:`m...
def BDES2K(bdes, quad_length, energy): """ Converts a quadrupole :math:`B_des` into a geometric focusing strength :math:`K`. Parameters ---------- bdes : float The magnet value of :math:`B_des`. quad_length : float The length of the quadrupole in meters. energy : float ...
def get_or_create_index(self, index_ratio, index_width): """Return an open file-object to the index file""" if not self.index_path.exists() or not self.filepath.stat().st_mtime == self.index_path.stat().st_mtime: create_index(self.filepath, self.index_path, index_ratio=index_ratio, index_wid...
def create(self, server): """Create the tasks on the server""" for chunk in self.__cut_to_size(): server.post( 'tasks_admin', chunk.as_payload(), replacements={ 'slug': chunk.challenge.slug})
def update(self, server): """Update existing tasks on the server""" for chunk in self.__cut_to_size(): server.put( 'tasks_admin', chunk.as_payload(), replacements={ 'slug': chunk.challenge.slug})
def reconcile(self, server): """ Reconcile this collection with the server. """ if not self.challenge.exists(server): raise Exception('Challenge does not exist on server') existing = MapRouletteTaskCollection.from_server(server, self.challenge) same = [] ...
def yn_prompt(msg, default=True): """ Prompts the user for yes or no. """ ret = custom_prompt(msg, ["y", "n"], "y" if default else "n") if ret == "y": return True return False
def custom_prompt(msg, options, default): """ Prompts the user with custom options. """ formatted_options = [ x.upper() if x == default else x.lower() for x in options ] sure = input("{0} [{1}]: ".format(msg, "/".join(formatted_options))) if len(sure) == 0: return default ...
def read(args): """Reading the configure file and adds non-existing attributes to 'args'""" if args.config_file is None or not isfile(args.config_file): return logging.info("Reading configure file: %s"%args.config_file) config = cparser.ConfigParser() config.read(args.config_file) if ...
def write(args): """Writing the configure file with the attributes in 'args'""" logging.info("Writing configure file: %s"%args.config_file) if args.config_file is None: return #Let's add each attribute of 'args' to the configure file config = cparser.ConfigParser() config.add_section("...
def _spawn_memcached(sock): """Helper function for tests. Spawns a memcached process attached to sock. Returns Popen instance. Terminate with p.terminate(). Note: sock parameter is not checked, and command is executed as shell. Use only if you trust that sock parameter. You've been warned. """ p = subprocess.Pope...
def dump(self): """ Dump (return) a dict representation of the GameObject. This is a Python dict and is NOT serialized. NB: the answer (a DigitWord object) and the mode (a GameMode object) are converted to python objects of a list and dict respectively. :return: python <...
def load(self, source=None): """ Load the representation of a GameObject from a Python <dict> representing the game object. :param source: a Python <dict> as detailed above. :return: """ if not source: raise ValueError("A valid dictionary must be pas...
def new(self, mode): """ Create a new instance of a game. Note, a mode MUST be provided and MUST be of type GameMode. :param mode: <required> """ dw = DigitWord(wordtype=mode.digit_type) dw.random(mode.digits) self._key = str(uuid.uuid4()) self....
def emit_measured(self): """ The beam emittance :math:`\\langle x x' \\rangle`. """ return _np.sqrt(self.spotsqself.divsq-self.xxp*2)
def bump(self, target): """ Bumps the Version given a target The target can be either MAJOR, MINOR or PATCH """ if target == 'patch': return Version(self.major, self.minor, self.patch + 1) if target == 'minor': return Version(self.major, self.mino...
def clone(self): """ Returns a copy of this object """ t = Tag(self.version.major, self.version.minor, self.version.patch) if self.revision is not None: t.revision = self.revision.clone() return t
def with_revision(self, label, number): """ Returns a Tag with a given revision """ t = self.clone() t.revision = Revision(label, number) return t
def parse(s): """ Parses a string into a Tag """ try: m = _regex.match(s) t = Tag(int(m.group('major')), int(m.group('minor')), int(m.group('patch'))) return t \ if m.group('label') is None \ ...
def yield_tag(self, target=None, label=None): """ Returns a new Tag containing the bumped target and/or the bumped label """ if target is None and label is None: raise ValueError('`target` and/or `label` must be specified') if label is None: return self._y...
def tile(): """Tiles open figures.""" figs = plt.get_fignums() # Keep track of x, y, size for figures x = 0 y = 0 # maxy = 0 toppad = 21 size = np.array([0, 0]) if ( len(figs) != 0 ): fig = plt.figure(figs[0]) screen = fig.canvas.window.get_sc...
def linspaceborders(array): """ Generate a new array with numbers interpolated between the numbers of the input array. Extrapolates elements to the left and right sides to get the exterior border as well. Parameters ---------- array : :class:`numpy.ndarray` The original array. Ret...
def nb0(self): """ On-axis beam density :math:`n_{b,0}`. """ return self.N_e / (4_np.sqrt(3) _np.pi * self.sig_x * self.sig_y * self.sig_xi)
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 = _np.sqrt(_np.pi/8) * e*2 self.nb0 * self.sig_y / ( e0 * self.m * c**2) retur...
def k_small(self): """ Small-angle driving force term: :math:`r'' = -k_{small} r`. Note: :math:`k_{small} = \\frac{k}{2{\\sigma_r^2}}` """ return self.k * _np.sqrt(2/_np.pi) / self.sig_y
def update_time(sender, **kwargs): """ When a Comment is added, updates the Update to set "last_updated" time """ comment = kwargs['instance'] if comment.content_type.app_label == "happenings" and comment.content_type.name == "Update": from .models import Update item = Update.objects...
def new_game(self, mode=None): """ new_game() creates a new game. Docs TBC. :return: JSON String containing the game object. """ # Create a placeholder Game object self._g = GameObject() # Validate game mode _mode = mode or "normal" logging.deb...
def load_game(self, jsonstr): """ load_game() takes a JSON string representing a game object and calls the underlying game object (_g) to load the JSON. The underlying object will handle schema validation and transformation. :param jsonstr: A valid JSON string representing a Gam...

def path(self, a_hash, b_hash): """Return nodes in the path between 'a' and 'b' going from parent to child NOT including 'a' """ def _path(a, b): if a is b: return [a] else: assert len(a.children) == 1 return [a] + _path(a....

def _rindex(mylist: Sequence[T], x: T) -> int: """Index of the last occurrence of x in the sequence.""" return len(mylist) - mylist[::-1].index(x) - 1

def raw_to_delimited(header: Header, raw_payload: RawPayload) -> DelimitedMsg: """\ Returns a message consisting of header frames, delimiter frame, and payload frames. The payload frames may be given as sequences of bytes (raw) or as `Message`s. """ return tuple(header) + (b'',) + tuple(raw_payload)

def to_delimited(header: Header, payload: Payload, side: CommSide) -> DelimitedMsg: """\ Returns a message consisting of header frames, delimiter frame, and payload frames. The payload frames may be given as sequences of bytes (raw) or as `Message`s. """ return raw_to_delimited(header, [side.seriali...

def raw_from_delimited(msgs: DelimitedMsg) -> RawMsgs: """\ From a message consisting of header frames, delimiter frame, and payload frames, return a tuple `(header, payload)`. The payload frames may be returned as sequences of bytes (raw) or as `Message`s. """ delim = _rindex(msgs, b'') return ...

def from_delimited(msgs: DelimitedMsg, side: CommSide) -> Msgs: """\ From a message consisting of header frames, delimiter frame, and payload frames, return a tuple `(header, payload)`. The payload frames may be returned as sequences of bytes (raw) or as `Message`s. """ header, raw_payload = raw_fro...

def figure(title=None, **kwargs): """ Creates a figure with *\*\*kwargs* with a window title *title*. Returns class :class:`matplotlib.figure.Figure`. """ fig = _figure(**kwargs) if title is not None: fig.canvas.set_window_title(title) return fig

def create_admin(username='admin', email='admin@admin.com', password='admin'): """Create and save an admin user. :param username: Admin account's username. Defaults to 'admin' :param email: Admin account's email address. Defaults to 'admin@admin.com' :param password: Admin acc...

def messages_from_response(response): """Returns a list of the messages from the django MessageMiddleware package contained within the given response. This is to be used during unit testing when trying to see if a message was set properly in a view. :param response: HttpResponse object, likely obtaine...

def initiate(self): """Sets up the :class:`AdminSite` and creates a user with the appropriate privileges. This should be called from the inheritor's :class:`TestCase.setUp` method. """ self.site = admin.sites.AdminSite() self.admin_user = create_admin(self.USERNAME, self...

def authorize(self): """Authenticates the superuser account via the web login.""" response = self.client.login(username=self.USERNAME, password=self.PASSWORD) self.assertTrue(response) self.authed = True

def authed_get(self, url, response_code=200, headers={}, follow=False): """Does a django test client ``get`` against the given url after logging in the admin first. :param url: URL to fetch :param response_code: Expected response code from the URL fetch. This va...

def authed_post(self, url, data, response_code=200, follow=False, headers={}): """Does a django test client ``post`` against the given url after logging in the admin first. :param url: URL to fetch :param data: Dictionary to form contents to post ...

def visit_admin_link(self, admin_model, instance, field_name, response_code=200, headers={}): """This method is used for testing links that are in the change list view of the django admin. For the given instance and field name, the HTML link tags in the column are parsed for a URL a...

def field_value(self, admin_model, instance, field_name): """Returns the value displayed in the column on the web interface for a given instance. :param admin_model: Instance of a :class:`admin.ModelAdmin` object that is responsible for displaying the change list ...

def field_names(self, admin_model): """Returns the names of the fields/columns used by the given admin model. :param admin_model: Instance of a :class:`admin.ModelAdmin` object that is responsible for displaying the change list :returns: List of field...

def githubtunnel(user1, server1, user2, server2, port, verbose, stanford=False): """ Opens a nested tunnel, first to *user1*@*server1*, then to *user2*@*server2*, for accessing on *port*. If *verbose* is true, prints various ssh commands. If *stanford* is true, shifts ports up by 1. Attempts to g...

def imgmax(self): """ Highest value of input image. """ if not hasattr(self, '_imgmax'): imgmax = _np.max(self.images[0]) for img in self.images: imax = _np.max(img) if imax > imgmax: imgmax = imax s...

def imgmin(self): """ Lowest value of input image. """ if not hasattr(self, '_imgmin'): imgmin = _np.min(self.images[0]) for img in self.images: imin = _np.min(img) if imin > imgmin: imgmin = imin se...

def spawn(func, *args, **kwargs): """ spawns a greenlet that does not print exceptions to the screen. if you use this function you MUST use this module's join or joinall otherwise the exception will be lost """ return gevent.spawn(wrap_uncaught_greenlet_exceptions(func), *args, **kwargs)

def _usage(prog_name=os.path.basename(sys.argv[0])): '''Returns usage string with no trailing whitespace.''' spacer = ' ' * len('usage: ') usage = prog_name + ' -b LIST [-S SEPARATOR] [file ...]\n' \ + spacer + prog_name + ' -c LIST [-S SEPERATOR] [file ...]\n' \ + spacer + prog_name \ ...

def _parse_args(args): """Setup argparser to process arguments and generate help""" # parser uses custom usage string, with 'usage: ' removed, as it is # added automatically via argparser. parser = argparse.ArgumentParser(description="Remove and/or rearrange " + "se...

def main(args=sys.argv[1:]): '''Processes command line arguments and file i/o''' if not args: sys.stderr.write(_usage() + '\n') sys.exit(4) else: parsed = _parse_args(args) # Set delim based on whether or not regex is desired by user delim = parsed.delimiter if parsed.regex ...

def NonUniformImage_axes(img): """ Returns axes *x, y* for a given image *img* to be used with :func:`scisalt.matplotlib.NonUniformImage`. Returns ------- x, y : float, float """ xmin = 0 xmax = img.shape[1]-1 ymin = 0 ymax = img.shape[0]-1 x = _np.linspace(xmin, xmax, img.s...

def move(request, content_type_id, obj_id, rank): """View to be used in the django admin for changing a :class:`RankedModel` object's rank. See :func:`admin_link_move_up` and :func:`admin_link_move_down` for helper functions to incoroprate in your admin models. Upon completion this view sends the ...

def open_s3(bucket): """ Opens connection to S3 returning bucket and key """ conn = boto.connect_s3(options.paved.s3.access_id, options.paved.s3.secret) try: bucket = conn.get_bucket(bucket) except boto.exception.S3ResponseError: bucket = conn.create_bucket(bucket) return buc...

def upload_s3(file_path, bucket_name, file_key, force=False, acl='private'): """Upload a local file to S3. """ file_path = path(file_path) bucket = open_s3(bucket_name) if file_path.isdir(): # Upload the contents of the dir path. paths = file_path.listdir() paths_keys = list...

def download_s3(bucket_name, file_key, file_path, force=False): """Download a remote file from S3. """ file_path = path(file_path) bucket = open_s3(bucket_name) file_dir = file_path.dirname() file_dir.makedirs() s3_key = bucket.get_key(file_key) if file_path.exists(): file_data...

def create_ical(request, slug): """ Creates an ical .ics file for an event using python-card-me. """ event = get_object_or_404(Event, slug=slug) # convert dates to datetimes. # when we change code to datetimes, we won't have to do this. start = event.start_date start = datetime.datetime(start.ye...

def event_all_comments_list(request, slug): """ Returns a list view of all comments for a given event. Combines event comments and update comments in one list. """ event = get_object_or_404(Event, slug=slug) comments = event.all_comments page = int(request.GET.get('page', 99999)) # feed emp...

def event_update_list(request, slug): """ Returns a list view of updates for a given event. If the event is over, it will be in chronological order. If the event is upcoming or still going, it will be in reverse chronological order. """ event = get_object_or_404(Event, slug=slug) updates...

def video_list(request, slug): """ Displays list of videos for given event. """ event = get_object_or_404(Event, slug=slug) return render(request, 'video/video_list.html', { 'event': event, 'video_list': event.eventvideo_set.all() })

def add_event(request): """ Public form to add an event. """ form = AddEventForm(request.POST or None) if form.is_valid(): instance = form.save(commit=False) instance.sites = settings.SITE_ID instance.submitted_by = request.user instance.approved = True instance.slug ...

def add_memory(request, slug): """ Adds a memory to an event. """ event = get_object_or_404(Event, slug=slug) form = MemoryForm(request.POST or None, request.FILES or None) if form.is_valid(): instance = form.save(commit=False) instance.user = request.user instance.event = event ...

def process_upload(upload_file, instance, form, event, request): """ Helper function that actually processes and saves the upload(s). Segregated out for readability. """ caption = form.cleaned_data.get('caption') upload_name = upload_file.name.lower() if upload_name.endswith('.jpg') or uploa...

def _get_search_path(main_file_dir, sys_path): ''' Find the parent python path that contains the __main__'s file directory :param main_file_dir: __main__'s file directory :param sys_path: paths list to match directory against (like sys.path) ''' # List to gather candidate parent paths paths...

def _try_search_paths(main_globals): ''' Try different strategies to found the path containing the __main__'s file. Will try strategies, in the following order: 1. Building file's path with PWD env var. 2. Building file's path from absolute file's path. 3. Buidling file's path from r...

def _solve_pkg(main_globals): ''' Find parent python path of __main__. From there solve the package containing __main__, import it and set __package__ variable. :param main_globals: globals dictionary in __main__ ''' # find __main__'s file directory and search path main_dir, search_path = _...

def _log_debug(msg): ''' Log at debug level :param msg: message to log ''' if _log_level <= DEBUG: if _log_level == TRACE: traceback.print_stack() _log(msg)

def init(log_level=ERROR): ''' Enables explicit relative import in sub-modules when ran as __main__ :param log_level: module's inner logger level (equivalent to logging pkg) ''' global _initialized if _initialized: return else: _initialized = True # find caller's frame ...

def _init(frame, log_level=ERROR): ''' Enables explicit relative import in sub-modules when ran as __main__ :param log_level: module's inner logger level (equivalent to logging pkg) ''' global _log_level _log_level = log_level # now we have access to the module globals main_globals = fra...

def curve_fit_unscaled(*args, **kwargs): """ Use the reduced chi square to unscale :mod:`scipy`'s scaled :func:`scipy.optimize.curve_fit`. *\*args* and *\*\*kwargs* are passed through to :func:`scipy.optimize.curve_fit`. The tuple *popt, pcov, chisq_red* is returned, where *popt* is the optimal values for the p...

def fitimageslice(img, res_x, res_y, xslice, yslice, avg_e_func=None, h5file=None, plot=False): """ Fits a gaussian to a slice of an image *img* specified by *xslice* x-coordinates and *yslice* y-coordinates. *res_x* and *res_y* specify image resolution in x and y. *avg_e_func* is a function that returns the en...

def encode(python_object, indent=None, large_object=False): """:returns: a JSON-representation of the object""" # sorted keys is easier to read; however, Python-2.7.2 does not have this feature kwargs = dict(indent=indent) if can_dumps_sort_keys(): kwargs.update(sort_keys=True) try: ...

def __register_library(self, module_name: str, attr: str, fallback: str = None): """Inserts Interpreter Library of imports into sketch in a very non-consensual way""" # Import the module Named in the string try: module = importlib.import_module(module_name) # If module is n...

def set_moments(self, sx, sxp, sxxp): """ Sets the beam moments directly. Parameters ---------- sx : float Beam moment where :math:`\\text{sx}^2 = \\langle x^2 \\rangle`. sxp : float Beam moment where :math:`\\text{sxp}^2 = \\langle x'^2 \\rangle`...

def set_Courant_Snyder(self, beta, alpha, emit=None, emit_n=None): """ Sets the beam moments indirectly using Courant-Snyder parameters. Parameters ---------- beta : float Courant-Snyder parameter :math:`\\beta`. alpha : float Courant-Snyder param...

def beta(self): """ Courant-Snyder parameter :math:`\\beta`. """ beta = _np.sqrt(self.sx)/self.emit return beta

def normalize_slice(slice_obj, length): """ Given a slice object, return appropriate values for use in the range function :param slice_obj: The slice object or integer provided in the `[]` notation :param length: For negative indexing we need to know the max length of the object. """ if isinsta...

def error(self, error_code, value, **kwargs): """ Helper to add error to messages field. It fills placeholder with extra call parameters or values from message_value map. :param error_code: Error code to use :rparam error_code: str :param value: Value checked :pa...

def copy(src, dst): """File copy that support compress and decompress of zip files""" (szip, dzip) = (src.endswith(".zip"), dst.endswith(".zip")) logging.info("Copy: %s => %s"%(src, dst)) if szip and dzip:#If both zipped, we can simply use copy shutil.copy2(src, dst) elif szip: wit...

def apply_changesets(args, changesets, catalog): """Apply to the 'catalog' the changesets in the metafile list 'changesets'""" tmpdir = tempfile.mkdtemp() tmp_patch = join(tmpdir, "tmp.patch") tmp_lcat = join(tmpdir, "tmp.lcat") for node in changesets: remove(tmp_patch) copy(node....

def clean(self): """ Validate that an event with this name on this date does not exist. """ cleaned = super(EventForm, self).clean() if Event.objects.filter(name=cleaned['name'], start_date=cleaned['start_date']).count(): raise forms.ValidationError(u'This event appea...

def loop_in_background(interval, callback): """ When entering the context, spawns a greenlet that sleeps for `interval` seconds between `callback` executions. When leaving the context stops the greenlet. The yielded object is the `GeventLoop` object so the loop can be stopped from within the context. ...

def _loop(self): """Main loop - used internally.""" while True: try: with uncaught_greenlet_exception_context(): self._loop_callback() except gevent.GreenletExit: break if self._stop_event.wait(self._interval): ...

def start(self): """ Starts the loop. Calling a running loop is an error. """ assert not self.has_started(), "called start() on an active GeventLoop" self._stop_event = Event() # note that we don't use safe_greenlets.spawn because we take care of it in _loop by ourselves ...

def stop(self, timeout=None): """ Stops a running loop and waits for it to end if timeout is set. Calling a non-running loop is an error. :param timeout: time (in seconds) to wait for the loop to end after signalling it. ``None`` is to block till it ends. :return: True if the loo...

def kill(self): """Kills the running loop and waits till it gets killed.""" assert self.has_started(), "called kill() on a non-active GeventLoop" self._stop_event.set() self._greenlet.kill() self._clear()

def NonUniformImage(x, y, z, ax=None, fig=None, cmap=None, alpha=None, scalex=True, scaley=True, add_cbar=True, **kwargs): """ Used to plot a set of coordinates. Parameters ---------- x, y : :class:`numpy.ndarray` 1-D ndarrays of lengths N and M, respectively, specifying pixel centers ...

def _sentence_to_interstitial_spacing(self): """Fix common spacing errors caused by LaTeX's habit of using an inter-sentence space after any full stop.""" not_sentence_end_chars = [' '] abbreviations = ['i.e.', 'e.g.', ' v.', ' w.', ' wh.'] titles = ['Prof.', 'Mr.', ...

def _hyphens_to_dashes(self): """Transform hyphens to various kinds of dashes""" problematic_hyphens = [(r'-([.,!)])', r'---\1'), (r'(?<=\d)-(?=\d)', '--'), (r'(?<=\s)-(?=\s)', '---')] for problem_case in problematic_hyphens: self._...

def _str_replacement(self, target, replacement): """Replace target with replacement""" self.data = self.data.replace(target, replacement)

def _regex_replacement(self, target, replacement): """Regex substitute target with replacement""" match = re.compile(target) self.data = match.sub(replacement, self.data)

def sphinx_make(*targets): """Call the Sphinx Makefile with the specified targets. `options.paved.docs.path`: the path to the Sphinx folder (where the Makefile resides). """ sh('make %s' % ' '.join(targets), cwd=options.paved.docs.path)

def rsync_docs(): """Upload the docs to a remote location via rsync. `options.paved.docs.rsync_location`: the target location to rsync files to. `options.paved.docs.path`: the path to the Sphinx folder (where the Makefile resides). `options.paved.docs.build_rel`: the path of the documentation ...

def ghpages(): '''Push Sphinx docs to github_ gh-pages branch. 1. Create file .nojekyll 2. Push the branch to origin/gh-pages after committing using ghp-import_ Requirements: - easy_install ghp-import Options: - `options.paved.docs.*` is not used - `options.sphinx.docroot...

def showhtml(): """Open your web browser and display the generated html documentation. """ import webbrowser # copy from paver opts = options docroot = path(opts.get('docroot', 'docs')) if not docroot.exists(): raise BuildFailure("Sphinx documentation root (%s) does not exist." ...

def setup_figure(rows=1, cols=1, **kwargs): """ Sets up a figure with a number of rows (*rows*) and columns (*cols*), *\*\*kwargs* passes through to :class:`matplotlib.figure.Figure`. .. versionchanged:: 1.3 Supports *\*\*kwargs* pass-through to :class:`matplotlib.figure.Figure`. .. vers...

def guess(self, *args): self._validate() """ guess() allows a guess to be made. Before the guess is made, the method checks to see if the game has been won, lost, or there are no tries remaining. It then creates a return object stating the number of bulls (direct matches)...

def _start_again(self, message=None): """Simple method to form a start again message and give the answer in readable form.""" logging.debug("Start again message delivered: {}".format(message)) the_answer = self._game.answer_str return "{0} The correct answer was {1}. Please start a new ...

def attachments(value, obj, width = WIDTH): """ Parse the copy inside ``value`` and look for shortcodes in this format:: <p>Here's an attachment</p> <p>[attachment 1]</p> Replace the shortcode with a full image, video or audio element, or download link :param obj: The obje...

def minify(self, css): """Tries to minimize the length of CSS code passed as parameter. Returns string.""" css = css.replace("\r\n", "\n") # get rid of Windows line endings, if they exist for rule in _REPLACERS[self.level]: css = re.compile(rule[0], re.MULTILINE|re.UNICODE|re.DOTALL).sub(rul...

def colorbar(ax, im, fig=None, loc="right", size="5%", pad="3%"): """ Adds a polite colorbar that steals space so :func:`matplotlib.pyplot.tight_layout` works nicely. .. versionadded:: 1.3 Parameters ---------- ax : :class:`matplotlib.axis.Axis` The axis to plot to. im : :class:`m...

def BDES2K(bdes, quad_length, energy): """ Converts a quadrupole :math:`B_des` into a geometric focusing strength :math:`K`. Parameters ---------- bdes : float The magnet value of :math:`B_des`. quad_length : float The length of the quadrupole in meters. energy : float ...

def get_or_create_index(self, index_ratio, index_width): """Return an open file-object to the index file""" if not self.index_path.exists() or not self.filepath.stat().st_mtime == self.index_path.stat().st_mtime: create_index(self.filepath, self.index_path, index_ratio=index_ratio, index_wid...

def create(self, server): """Create the tasks on the server""" for chunk in self.__cut_to_size(): server.post( 'tasks_admin', chunk.as_payload(), replacements={ 'slug': chunk.challenge.slug})

def update(self, server): """Update existing tasks on the server""" for chunk in self.__cut_to_size(): server.put( 'tasks_admin', chunk.as_payload(), replacements={ 'slug': chunk.challenge.slug})

def reconcile(self, server): """ Reconcile this collection with the server. """ if not self.challenge.exists(server): raise Exception('Challenge does not exist on server') existing = MapRouletteTaskCollection.from_server(server, self.challenge) same = [] ...

def yn_prompt(msg, default=True): """ Prompts the user for yes or no. """ ret = custom_prompt(msg, ["y", "n"], "y" if default else "n") if ret == "y": return True return False

def custom_prompt(msg, options, default): """ Prompts the user with custom options. """ formatted_options = [ x.upper() if x == default else x.lower() for x in options ] sure = input("{0} [{1}]: ".format(msg, "/".join(formatted_options))) if len(sure) == 0: return default ...

def read(args): """Reading the configure file and adds non-existing attributes to 'args'""" if args.config_file is None or not isfile(args.config_file): return logging.info("Reading configure file: %s"%args.config_file) config = cparser.ConfigParser() config.read(args.config_file) if ...

def write(args): """Writing the configure file with the attributes in 'args'""" logging.info("Writing configure file: %s"%args.config_file) if args.config_file is None: return #Let's add each attribute of 'args' to the configure file config = cparser.ConfigParser() config.add_section("...

def _spawn_memcached(sock): """Helper function for tests. Spawns a memcached process attached to sock. Returns Popen instance. Terminate with p.terminate(). Note: sock parameter is not checked, and command is executed as shell. Use only if you trust that sock parameter. You've been warned. """ p = subprocess.Pope...

def dump(self): """ Dump (return) a dict representation of the GameObject. This is a Python dict and is NOT serialized. NB: the answer (a DigitWord object) and the mode (a GameMode object) are converted to python objects of a list and dict respectively. :return: python <...

def load(self, source=None): """ Load the representation of a GameObject from a Python <dict> representing the game object. :param source: a Python <dict> as detailed above. :return: """ if not source: raise ValueError("A valid dictionary must be pas...

def new(self, mode): """ Create a new instance of a game. Note, a mode MUST be provided and MUST be of type GameMode. :param mode: <required> """ dw = DigitWord(wordtype=mode.digit_type) dw.random(mode.digits) self._key = str(uuid.uuid4()) self....

def emit_measured(self): """ The beam emittance :math:`\\langle x x' \\rangle`. """ return _np.sqrt(self.spotsq*self.divsq-self.xxp**2)

def bump(self, target): """ Bumps the Version given a target The target can be either MAJOR, MINOR or PATCH """ if target == 'patch': return Version(self.major, self.minor, self.patch + 1) if target == 'minor': return Version(self.major, self.mino...

def clone(self): """ Returns a copy of this object """ t = Tag(self.version.major, self.version.minor, self.version.patch) if self.revision is not None: t.revision = self.revision.clone() return t

def with_revision(self, label, number): """ Returns a Tag with a given revision """ t = self.clone() t.revision = Revision(label, number) return t

def parse(s): """ Parses a string into a Tag """ try: m = _regex.match(s) t = Tag(int(m.group('major')), int(m.group('minor')), int(m.group('patch'))) return t \ if m.group('label') is None \ ...

def yield_tag(self, target=None, label=None): """ Returns a new Tag containing the bumped target and/or the bumped label """ if target is None and label is None: raise ValueError('`target` and/or `label` must be specified') if label is None: return self._y...

def tile(): """Tiles open figures.""" figs = plt.get_fignums() # Keep track of x, y, size for figures x = 0 y = 0 # maxy = 0 toppad = 21 size = np.array([0, 0]) if ( len(figs) != 0 ): fig = plt.figure(figs[0]) screen = fig.canvas.window.get_sc...

def linspaceborders(array): """ Generate a new array with numbers interpolated between the numbers of the input array. Extrapolates elements to the left and right sides to get the exterior border as well. Parameters ---------- array : :class:`numpy.ndarray` The original array. Ret...

def nb0(self): """ On-axis beam density :math:`n_{b,0}`. """ return self.N_e / (4*_np.sqrt(3) * _np.pi * self.sig_x * self.sig_y * self.sig_xi)

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 = _np.sqrt(_np.pi/8) * e**2 * self.nb0 * self.sig_y / ( e0 * self.m * c**2) retur...

def k_small(self): """ Small-angle driving force term: :math:`r'' = -k_{small} r`. Note: :math:`k_{small} = \\frac{k}{2{\\sigma_r^2}}` """ return self.k * _np.sqrt(2/_np.pi) / self.sig_y

def update_time(sender, **kwargs): """ When a Comment is added, updates the Update to set "last_updated" time """ comment = kwargs['instance'] if comment.content_type.app_label == "happenings" and comment.content_type.name == "Update": from .models import Update item = Update.objects...

def new_game(self, mode=None): """ new_game() creates a new game. Docs TBC. :return: JSON String containing the game object. """ # Create a placeholder Game object self._g = GameObject() # Validate game mode _mode = mode or "normal" logging.deb...

def load_game(self, jsonstr): """ load_game() takes a JSON string representing a game object and calls the underlying game object (_g) to load the JSON. The underlying object will handle schema validation and transformation. :param jsonstr: A valid JSON string representing a Gam...