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pearu/pyvtk | pyvtk/common.py | Common.get_3_tuple_list | def get_3_tuple_list(self,obj,default=None):
"""Return list of 3-tuples from
sequence of a sequence,
sequence - it is mapped to sequence of 3-sequences if possible
number
"""
if is_sequence2(obj):
return [self.get_3_tuple(o,default) for o in obj]
elif ... | python | def get_3_tuple_list(self,obj,default=None):
"""Return list of 3-tuples from
sequence of a sequence,
sequence - it is mapped to sequence of 3-sequences if possible
number
"""
if is_sequence2(obj):
return [self.get_3_tuple(o,default) for o in obj]
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pearu/pyvtk | pyvtk/common.py | Common.get_3_3_tuple | def get_3_3_tuple(self,obj,default=None):
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"""Return tuple of 3-tuples
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pearu/pyvtk | pyvtk/common.py | Common.get_3_3_tuple_list | def get_3_3_tuple_list(self,obj,default=None):
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Ketouem/flask-boto3 | flask_boto3/__init__.py | Boto3.connect | def connect(self):
"""Iterate through the application configuration and instantiate
the services.
"""
requested_services = set(
svc.lower() for svc in current_app.config.get('BOTO3_SERVICES', [])
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region = current_app.config.get('BOTO3_REGION')
sess_... | python | def connect(self):
"""Iterate through the application configuration and instantiate
the services.
"""
requested_services = set(
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region = current_app.config.get('BOTO3_REGION')
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Ketouem/flask-boto3 | flask_boto3/__init__.py | Boto3.clients | def clients(self):
"""
Get all clients (with and without associated resources)
"""
clients = {}
for k, v in self.connections.items():
if hasattr(v.meta, 'client'): # has boto3 resource
clients[k] = v.meta.client
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"""
Get all clients (with and without associated resources)
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mkomitee/flask-kerberos | flask_kerberos.py | init_kerberos | def init_kerberos(app, service='HTTP', hostname=gethostname()):
'''
Configure the GSSAPI service name, and validate the presence of the
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:param app: a flask application
:type app: flask.Flask
:param service: GSSAPI service name
:type service: str... | python | def init_kerberos(app, service='HTTP', hostname=gethostname()):
'''
Configure the GSSAPI service name, and validate the presence of the
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telminov/sw-django-utils | djutils/date_utils.py | date_to_timestamp | def date_to_timestamp(date):
"""
date to unix timestamp in milliseconds
"""
date_tuple = date.timetuple()
timestamp = calendar.timegm(date_tuple) * 1000
return timestamp | python | def date_to_timestamp(date):
"""
date to unix timestamp in milliseconds
"""
date_tuple = date.timetuple()
timestamp = calendar.timegm(date_tuple) * 1000
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telminov/sw-django-utils | djutils/date_utils.py | random_date | def random_date(dt_from, dt_to):
"""
This function will return a random datetime between two datetime objects.
:param start:
:param end:
"""
delta = dt_to - dt_from
int_delta = (delta.days * 24 * 60 * 60) + delta.seconds
random_second = randrange(int_delta)
return dt_from + datetime.... | python | def random_date(dt_from, dt_to):
"""
This function will return a random datetime between two datetime objects.
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:param end:
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delta = dt_to - dt_from
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telminov/sw-django-utils | djutils/json_utils.py | object_to_json | def object_to_json(obj, indent=2):
"""
transform object to json
"""
instance_json = json.dumps(obj, indent=indent, ensure_ascii=False, cls=DjangoJSONEncoder)
return instance_json | python | def object_to_json(obj, indent=2):
"""
transform object to json
"""
instance_json = json.dumps(obj, indent=indent, ensure_ascii=False, cls=DjangoJSONEncoder)
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telminov/sw-django-utils | djutils/json_utils.py | qs_to_json | def qs_to_json(qs, fields=None):
"""
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if not fields :
fields = [f.name for f in qs.model._meta.fields]
# сформируем список для сериализации
objects = []
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# сохраним порядок полей, как определено в моделе
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"""
transform QuerySet to json
"""
if not fields :
fields = [f.name for f in qs.model._meta.fields]
# сформируем список для сериализации
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telminov/sw-django-utils | djutils/json_utils.py | mongoqs_to_json | def mongoqs_to_json(qs, fields=None):
"""
transform mongoengine.QuerySet to json
"""
l = list(qs.as_pymongo())
for element in l:
element.pop('_cls')
# use DjangoJSONEncoder for transform date data type to datetime
json_qs = json.dumps(l, indent=2, ensure_ascii=False, cls=DjangoJSO... | python | def mongoqs_to_json(qs, fields=None):
"""
transform mongoengine.QuerySet to json
"""
l = list(qs.as_pymongo())
for element in l:
element.pop('_cls')
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telminov/sw-django-utils | djutils/views/helpers.py | url_path | def url_path(request, base_url=None, is_full=False, *args, **kwargs):
"""
join base_url and some GET-parameters to one; it could be absolute url optionally
usage example:
c['current_url'] = url_path(request, use_urllib=True, is_full=False)
...
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"""
join base_url and some GET-parameters to one; it could be absolute url optionally
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c['current_url'] = url_path(request, use_urllib=True, is_full=False)
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telminov/sw-django-utils | djutils/views/helpers.py | url_params | def url_params(request, except_params=None, as_is=False):
"""
create string with GET-params of request
usage example:
c['sort_url'] = url_params(request, except_params=('sort',))
...
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"""
if not request.GET:
... | python | def url_params(request, except_params=None, as_is=False):
"""
create string with GET-params of request
usage example:
c['sort_url'] = url_params(request, except_params=('sort',))
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telminov/sw-django-utils | djutils/views/helpers.py | prepare_sort_params | def prepare_sort_params(params, request, sort_key='sort', revers_sort=None, except_params=None):
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params - list of sort parameters
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telminov/sw-django-utils | djutils/views/helpers.py | sort_key_process | def sort_key_process(request, sort_key='sort'):
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telminov/sw-django-utils | djutils/forms.py | transform_form_error | def transform_form_error(form, verbose=True):
"""
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"""
errors = []
for field, err_msg in form.errors.items():
if field == '__all__': # general errors
errors.append(', '.join(err_msg))
else... | python | def transform_form_error(form, verbose=True):
"""
transform form errors to list like
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"""
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telminov/sw-django-utils | djutils/management/commands/__init__.py | process_date_from_to_options | def process_date_from_to_options(options, to_datetime=False, default_dt_to=False):
"""
to_datetime - приводить ли date к datetime
default_dt_to - устанавливать заведомо будущее дефолтное значение для dt_to
"""
start_time = datetime.datetime.now()
if options.get('last_week'):
dt_... | python | def process_date_from_to_options(options, to_datetime=False, default_dt_to=False):
"""
to_datetime - приводить ли date к datetime
default_dt_to - устанавливать заведомо будущее дефолтное значение для dt_to
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SteelPangolin/genderize | genderize/__init__.py | _chunked | def _chunked(iterable, n):
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Collect data into chunks of up to length n.
:type iterable: Iterable[T]
:type n: int
:rtype: Iterator[list[T]]
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SteelPangolin/genderize | genderize/__init__.py | Genderize.get | def get(self, names, country_id=None, language_id=None, retheader=False):
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Look up gender for a list of names.
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SteelPangolin/genderize | genderize/__init__.py | Genderize.get1 | def get1(self, name, **kwargs):
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Look up gender for a single name.
See :py:meth:`get`.
Doesn't support retheader option.
"""
if 'retheader' in kwargs:
raise GenderizeException(
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"""
Look up gender for a single name.
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ewiger/mlab | src/mlab/mlabwrap.py | saveVarsInMat | def saveVarsInMat(filename, varNamesStr, outOf=None, **opts):
"""Hacky convinience function to dump a couple of python variables in a
.mat file. See `awmstools.saveVars`.
"""
from mlabwrap import mlab
filename, varnames, outOf = __saveVarsHelper(
filename, varNamesStr, outOf, '.mat', **op... | python | def saveVarsInMat(filename, varNamesStr, outOf=None, **opts):
"""Hacky convinience function to dump a couple of python variables in a
.mat file. See `awmstools.saveVars`.
"""
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ewiger/mlab | src/mlab/mlabwrap.py | MlabWrap._make_proxy | def _make_proxy(self, varname, parent=None, constructor=MlabObjectProxy):
"""Creates a proxy for a variable.
XXX create and cache nested proxies also here.
"""
# FIXME why not just use gensym here?
proxy_val_name = "PROXY_VAL%d__" % self._proxy_count
self._proxy_count +=... | python | def _make_proxy(self, varname, parent=None, constructor=MlabObjectProxy):
"""Creates a proxy for a variable.
XXX create and cache nested proxies also here.
"""
# FIXME why not just use gensym here?
proxy_val_name = "PROXY_VAL%d__" % self._proxy_count
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ewiger/mlab | src/mlab/mlabwrap.py | MlabWrap._do | def _do(self, cmd, *args, **kwargs):
"""Semi-raw execution of a matlab command.
Smartly handle calls to matlab, figure out what to do with `args`,
and when to use function call syntax and not.
If no `args` are specified, the ``cmd`` not ``result = cmd()`` form is
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"""Semi-raw execution of a matlab command.
Smartly handle calls to matlab, figure out what to do with `args`,
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ewiger/mlab | src/mlab/mlabwrap.py | MlabWrap._get | def _get(self, name, remove=False):
r"""Directly access a variable in matlab space.
This should normally not be used by user code."""
# FIXME should this really be needed in normal operation?
if name in self._proxies: return self._proxies[name]
varname = name
vartype = s... | python | def _get(self, name, remove=False):
r"""Directly access a variable in matlab space.
This should normally not be used by user code."""
# FIXME should this really be needed in normal operation?
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ewiger/mlab | src/mlab/mlabwrap.py | MlabWrap._set | def _set(self, name, value):
r"""Directly set a variable `name` in matlab space to `value`.
This should normally not be used in user code."""
if isinstance(value, MlabObjectProxy):
mlabraw.eval(self._session, "%s = %s;" % (name, value._name))
else:
## mlabraw.put... | python | def _set(self, name, value):
r"""Directly set a variable `name` in matlab space to `value`.
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ewiger/mlab | src/mlab/matlabcom.py | MatlabCom.open | def open(self, visible=False):
""" Dispatches the matlab COM client.
Note: If this method fails, try running matlab with the -regserver flag.
"""
if self.client:
raise MatlabConnectionError('Matlab(TM) COM client is still active. Use close to '
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self.client = ... | python | def open(self, visible=False):
""" Dispatches the matlab COM client.
Note: If this method fails, try running matlab with the -regserver flag.
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ewiger/mlab | src/mlab/matlabcom.py | MatlabCom.eval | def eval(self, expression, identify_erros=True):
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ewiger/mlab | src/mlab/matlabcom.py | MatlabCom.get | def get(self, names_to_get, convert_to_numpy=True):
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ewiger/mlab | src/mlab/mlabraw.py | open | def open():
global _MATLAB_RELEASE
'''Opens MATLAB using specified connection (or DCOM+ protocol on Windows)where matlab_location '''
if is_win:
ret = MatlabConnection()
ret.open()
return ret
else:
if settings.MATLAB_PATH != 'guess':
matlab_path = settings.MA... | python | def open():
global _MATLAB_RELEASE
'''Opens MATLAB using specified connection (or DCOM+ protocol on Windows)where matlab_location '''
if is_win:
ret = MatlabConnection()
ret.open()
return ret
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ewiger/mlab | src/mlab/matlabpipe.py | _list_releases | def _list_releases():
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'''
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Tries to guess matlab process release version and location path on
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ewiger/mlab | src/mlab/matlabpipe.py | is_valid_release_version | def is_valid_release_version(version):
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and int(version[1:5]) in range(1990, 2050) \
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'''Checks that the given version code is valid.'''
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ewiger/mlab | src/mlab/matlabpipe.py | find_matlab_version | def find_matlab_version(process_path):
""" Tries to guess matlab's version according to its process path.
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"""
bin_path = os.path.dirname(process_path)
matlab_path = os.path.dirname(bin_path)
matlab_dir_name = os.path.basename(matlab_path)
v... | python | def find_matlab_version(process_path):
""" Tries to guess matlab's version according to its process path.
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"""
bin_path = os.path.dirname(process_path)
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ewiger/mlab | src/mlab/matlabpipe.py | MatlabPipe.open | def open(self, print_matlab_welcome=False):
'''Opens the matlab process.'''
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raise MatlabConnectionError('Matlab(TM) process is still active. Use close to '
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'''Opens the matlab process.'''
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ewiger/mlab | src/mlab/matlabpipe.py | MatlabPipe.eval | def eval(self,
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ewiger/mlab | src/mlab/matlabpipe.py | MatlabPipe.put | def put(self, name_to_val, oned_as='row', on_new_output=None):
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oned_as is the same as in scipy.io.matlab.savemat function:
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ewiger/mlab | src/mlab/awmstools.py | rexGroups | def rexGroups(rex):
"""Return the named groups in a regular expression (compiled or as string)
in occuring order.
>>> rexGroups(r'(?P<name>\w+) +(?P<surname>\w+)')
('name', 'surname')
"""
if isinstance(rex,basestring): rex = re.compile(rex)
return zip(*sorted([(n,g) for (g,n) in rex.groupi... | python | def rexGroups(rex):
"""Return the named groups in a regular expression (compiled or as string)
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>>> rexGroups(r'(?P<name>\w+) +(?P<surname>\w+)')
('name', 'surname')
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ewiger/mlab | src/mlab/awmstools.py | div | def div(a,b):
"""``div(a,b)`` is like ``a // b`` if ``b`` devides ``a``, otherwise
an `ValueError` is raised.
>>> div(10,2)
5
>>> div(10,3)
Traceback (most recent call last):
...
ValueError: 3 does not divide 10
"""
res, fail = divmod(a,b)
if fail:
raise ValueError("... | python | def div(a,b):
"""``div(a,b)`` is like ``a // b`` if ``b`` devides ``a``, otherwise
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>>> div(10,2)
5
>>> div(10,3)
Traceback (most recent call last):
...
ValueError: 3 does not divide 10
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ewiger/mlab | src/mlab/awmstools.py | ipshuffle | def ipshuffle(l, random=None):
r"""Shuffle list `l` inplace and return it."""
import random as _random
_random.shuffle(l, random)
return l | python | def ipshuffle(l, random=None):
r"""Shuffle list `l` inplace and return it."""
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ewiger/mlab | src/mlab/awmstools.py | shuffle | def shuffle(seq, random=None):
r"""Return shuffled *copy* of `seq`."""
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elif isString(seq):
# seq[0:0] == "" or u""
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ewiger/mlab | src/mlab/awmstools.py | slurp | def slurp(file, binary=False, expand=False):
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- `binary`: whether to read in the file in binary mode (default: False).
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mode = "r" + ["b",""][not binary]
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ewiger/mlab | src/mlab/awmstools.py | slurpLines | def slurpLines(file, expand=False):
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file = _normalizeToFile(file, "r", expand)
try: return file.readlines()
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r"""Read in a complete file (specified by a file handler or a filename
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ewiger/mlab | src/mlab/awmstools.py | slurpChompedLines | def slurpChompedLines(file, expand=False):
r"""Return ``file`` a list of chomped lines. See `slurpLines`."""
f=_normalizeToFile(file, "r", expand)
try: return list(chompLines(f))
finally: f.close() | python | def slurpChompedLines(file, expand=False):
r"""Return ``file`` a list of chomped lines. See `slurpLines`."""
f=_normalizeToFile(file, "r", expand)
try: return list(chompLines(f))
finally: f.close() | [
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ewiger/mlab | src/mlab/awmstools.py | strToTempfile | def strToTempfile(s, suffix=None, prefix=None, dir=None, binary=False):
"""Create a new tempfile, write ``s`` to it and return the filename.
`suffix`, `prefix` and `dir` are like in `tempfile.mkstemp`.
"""
fd, filename = tempfile.mkstemp(**dict((k,v) for (k,v) in
... | python | def strToTempfile(s, suffix=None, prefix=None, dir=None, binary=False):
"""Create a new tempfile, write ``s`` to it and return the filename.
`suffix`, `prefix` and `dir` are like in `tempfile.mkstemp`.
"""
fd, filename = tempfile.mkstemp(**dict((k,v) for (k,v) in
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ewiger/mlab | src/mlab/awmstools.py | spitOut | def spitOut(s, file, binary=False, expand=False):
r"""Write string `s` into `file` (which can be a string (`str` or
`unicode`) or a `file` instance)."""
mode = "w" + ["b",""][not binary]
file = _normalizeToFile(file, mode=mode, expand=expand)
try: file.write(s)
finally: file.close() | python | def spitOut(s, file, binary=False, expand=False):
r"""Write string `s` into `file` (which can be a string (`str` or
`unicode`) or a `file` instance)."""
mode = "w" + ["b",""][not binary]
file = _normalizeToFile(file, mode=mode, expand=expand)
try: file.write(s)
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ewiger/mlab | src/mlab/awmstools.py | spitOutLines | def spitOutLines(lines, file, expand=False):
r"""Write all the `lines` to `file` (which can be a string/unicode or a
file handler)."""
file = _normalizeToFile(file, mode="w", expand=expand)
try: file.writelines(lines)
finally: file.close() | python | def spitOutLines(lines, file, expand=False):
r"""Write all the `lines` to `file` (which can be a string/unicode or a
file handler)."""
file = _normalizeToFile(file, mode="w", expand=expand)
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ewiger/mlab | src/mlab/awmstools.py | readProcess | def readProcess(cmd, *args):
r"""Similar to `os.popen3`, but returns 2 strings (stdin, stdout) and the
exit code (unlike popen2, exit is 0 if no problems occured (for some
bizarre reason popen2 returns None... <sigh>).
FIXME: only works for UNIX; handling of signalled processes.
"""
import pope... | python | def readProcess(cmd, *args):
r"""Similar to `os.popen3`, but returns 2 strings (stdin, stdout) and the
exit code (unlike popen2, exit is 0 if no problems occured (for some
bizarre reason popen2 returns None... <sigh>).
FIXME: only works for UNIX; handling of signalled processes.
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ewiger/mlab | src/mlab/awmstools.py | runProcess | def runProcess(cmd, *args):
"""Run `cmd` (which is searched for in the executable path) with `args` and
return the exit status.
In general (unless you know what you're doing) use::
runProcess('program', filename)
rather than::
os.system('program %s' % filename)
because the latter will... | python | def runProcess(cmd, *args):
"""Run `cmd` (which is searched for in the executable path) with `args` and
return the exit status.
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runProcess('program', filename)
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os.system('program %s' % filename)
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ewiger/mlab | src/mlab/awmstools.py | splitext | def splitext(p):
r"""Like the normal splitext (in posixpath), but doesn't treat dotfiles
(e.g. .emacs) as extensions. Also uses os.sep instead of '/'."""
root, ext = os.path.splitext(p)
# check for dotfiles
if (not root or root[-1] == os.sep): # XXX: use '/' or os.sep here???
return (root +... | python | def splitext(p):
r"""Like the normal splitext (in posixpath), but doesn't treat dotfiles
(e.g. .emacs) as extensions. Also uses os.sep instead of '/'."""
root, ext = os.path.splitext(p)
# check for dotfiles
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ewiger/mlab | src/mlab/awmstools.py | bipart | def bipart(func, seq):
r"""Like a partitioning version of `filter`. Returns
``[itemsForWhichFuncReturnedFalse, itemsForWhichFuncReturnedTrue]``.
Example:
>>> bipart(bool, [1,None,2,3,0,[],[0]])
[[None, 0, []], [1, 2, 3, [0]]]
"""
if func is None: func = bool
res = [[],[]]
for i in... | python | def bipart(func, seq):
r"""Like a partitioning version of `filter`. Returns
``[itemsForWhichFuncReturnedFalse, itemsForWhichFuncReturnedTrue]``.
Example:
>>> bipart(bool, [1,None,2,3,0,[],[0]])
[[None, 0, []], [1, 2, 3, [0]]]
"""
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ewiger/mlab | src/mlab/awmstools.py | binarySearchPos | def binarySearchPos(seq, item, cmpfunc=cmp):
r"""Return the position of `item` in ordered sequence `seq`, using comparison
function `cmpfunc` (defaults to ``cmp``) and return the first found
position of `item`, or -1 if `item` is not in `seq`. The returned position
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r"""Return the position of `item` in ordered sequence `seq`, using comparison
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ewiger/mlab | src/mlab/awmstools.py | binarySearchItem | def binarySearchItem(seq, item, cmpfunc=cmp):
r""" Search an ordered sequence `seq` for `item`, using comparison function
`cmpfunc` (defaults to ``cmp``) and return the first found instance of
`item`, or `None` if item is not in `seq`. The returned item is NOT
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ewiger/mlab | src/mlab/awmstools.py | rotate | def rotate(l, steps=1):
r"""Rotates a list `l` `steps` to the left. Accepts
`steps` > `len(l)` or < 0.
>>> rotate([1,2,3])
[2, 3, 1]
>>> rotate([1,2,3,4],-2)
[3, 4, 1, 2]
>>> rotate([1,2,3,4],-5)
[4, 1, 2, 3]
>>> rotate([1,2,3,4],1)
[2, 3, 4, 1]
>>> l = [1,2,3]; rotate(l) is... | python | def rotate(l, steps=1):
r"""Rotates a list `l` `steps` to the left. Accepts
`steps` > `len(l)` or < 0.
>>> rotate([1,2,3])
[2, 3, 1]
>>> rotate([1,2,3,4],-2)
[3, 4, 1, 2]
>>> rotate([1,2,3,4],-5)
[4, 1, 2, 3]
>>> rotate([1,2,3,4],1)
[2, 3, 4, 1]
>>> l = [1,2,3]; rotate(l) is... | [
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ewiger/mlab | src/mlab/awmstools.py | iprotate | def iprotate(l, steps=1):
r"""Like rotate, but modifies `l` in-place.
>>> l = [1,2,3]
>>> iprotate(l) is l
True
>>> l
[2, 3, 1]
>>> iprotate(iprotate(l, 2), -3)
[1, 2, 3]
"""
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del ... | python | def iprotate(l, steps=1):
r"""Like rotate, but modifies `l` in-place.
>>> l = [1,2,3]
>>> iprotate(l) is l
True
>>> l
[2, 3, 1]
>>> iprotate(iprotate(l, 2), -3)
[1, 2, 3]
"""
if len(l):
steps %= len(l)
if steps:
firstPart = l[:steps]
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ewiger/mlab | src/mlab/awmstools.py | unique | def unique(iterable):
r"""Returns all unique items in `iterable` in the *same* order (only works
if items in `seq` are hashable).
"""
d = {}
return (d.setdefault(x,x) for x in iterable if x not in d) | python | def unique(iterable):
r"""Returns all unique items in `iterable` in the *same* order (only works
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"""
d = {}
return (d.setdefault(x,x) for x in iterable if x not in d) | [
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ewiger/mlab | src/mlab/awmstools.py | notUnique | def notUnique(iterable, reportMax=INF):
"""Returns the elements in `iterable` that aren't unique; stops after it found
`reportMax` non-unique elements.
Examples:
>>> list(notUnique([1,1,2,2,3,3]))
[1, 2, 3]
>>> list(notUnique([1,1,2,2,3,3], 1))
[1]
"""
hash = {}
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"""Returns the elements in `iterable` that aren't unique; stops after it found
`reportMax` non-unique elements.
Examples:
>>> list(notUnique([1,1,2,2,3,3]))
[1, 2, 3]
>>> list(notUnique([1,1,2,2,3,3], 1))
[1]
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ewiger/mlab | src/mlab/awmstools.py | unweave | def unweave(iterable, n=2):
r"""Divide `iterable` in `n` lists, so that every `n`th element belongs to
list `n`.
Example:
>>> unweave((1,2,3,4,5), 3)
[[1, 4], [2, 5], [3]]
"""
res = [[] for i in range(n)]
i = 0
for x in iterable:
res[i % n].append(x)
i += 1
retu... | python | def unweave(iterable, n=2):
r"""Divide `iterable` in `n` lists, so that every `n`th element belongs to
list `n`.
Example:
>>> unweave((1,2,3,4,5), 3)
[[1, 4], [2, 5], [3]]
"""
res = [[] for i in range(n)]
i = 0
for x in iterable:
res[i % n].append(x)
i += 1
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ewiger/mlab | src/mlab/awmstools.py | weave | def weave(*iterables):
r"""weave(seq1 [, seq2] [...]) -> iter([seq1[0], seq2[0] ...]).
>>> list(weave([1,2,3], [4,5,6,'A'], [6,7,8, 'B', 'C']))
[1, 4, 6, 2, 5, 7, 3, 6, 8]
Any iterable will work. The first exhausted iterable determines when to
stop. FIXME rethink stopping semantics.
>>> list... | python | def weave(*iterables):
r"""weave(seq1 [, seq2] [...]) -> iter([seq1[0], seq2[0] ...]).
>>> list(weave([1,2,3], [4,5,6,'A'], [6,7,8, 'B', 'C']))
[1, 4, 6, 2, 5, 7, 3, 6, 8]
Any iterable will work. The first exhausted iterable determines when to
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[1, 4, 6, 2, 5, 7, 3, 6, 8]
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ewiger/mlab | src/mlab/awmstools.py | atIndices | def atIndices(indexable, indices, default=__unique):
r"""Return a list of items in `indexable` at positions `indices`.
Examples:
>>> atIndices([1,2,3], [1,1,0])
[2, 2, 1]
>>> atIndices([1,2,3], [1,1,0,4], 'default')
[2, 2, 1, 'default']
>>> atIndices({'a':3, 'b':0}, ['a'])
[3]
"""
... | python | def atIndices(indexable, indices, default=__unique):
r"""Return a list of items in `indexable` at positions `indices`.
Examples:
>>> atIndices([1,2,3], [1,1,0])
[2, 2, 1]
>>> atIndices([1,2,3], [1,1,0,4], 'default')
[2, 2, 1, 'default']
>>> atIndices({'a':3, 'b':0}, ['a'])
[3]
"""
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ewiger/mlab | src/mlab/awmstools.py | window | def window(iterable, n=2, s=1):
r"""Move an `n`-item (default 2) windows `s` steps (default 1) at a time
over `iterable`.
Examples:
>>> list(window(range(6),2))
[(0, 1), (1, 2), (2, 3), (3, 4), (4, 5)]
>>> list(window(range(6),3))
[(0, 1, 2), (1, 2, 3), (2, 3, 4), (3, 4, 5)]
>>> list(w... | python | def window(iterable, n=2, s=1):
r"""Move an `n`-item (default 2) windows `s` steps (default 1) at a time
over `iterable`.
Examples:
>>> list(window(range(6),2))
[(0, 1), (1, 2), (2, 3), (3, 4), (4, 5)]
>>> list(window(range(6),3))
[(0, 1, 2), (1, 2, 3), (2, 3, 4), (3, 4, 5)]
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>>> list(window(range(6),3))
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>>> list(window(range(6),3, 2))
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ewiger/mlab | src/mlab/awmstools.py | group | def group(iterable, n=2, pad=__unique):
r"""Iterate `n`-wise (default pairwise) over `iter`.
Examples:
>>> for (first, last) in group("Akira Kurosawa John Ford".split()):
... print "given name: %s surname: %s" % (first, last)
...
given name: Akira surname: Kurosawa
given name: John sur... | python | def group(iterable, n=2, pad=__unique):
r"""Iterate `n`-wise (default pairwise) over `iter`.
Examples:
>>> for (first, last) in group("Akira Kurosawa John Ford".split()):
... print "given name: %s surname: %s" % (first, last)
...
given name: Akira surname: Kurosawa
given name: John sur... | [
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ewiger/mlab | src/mlab/awmstools.py | iterate | def iterate(f, n=None, last=__unique):
"""
>>> list(iterate(lambda x:x//2)(128))
[128, 64, 32, 16, 8, 4, 2, 1, 0]
>>> list(iterate(lambda x:x//2, n=2)(128))
[128, 64]
"""
if n is not None:
def funciter(start):
for i in xrange(n): yield start; start = f(start)
else:
... | python | def iterate(f, n=None, last=__unique):
"""
>>> list(iterate(lambda x:x//2)(128))
[128, 64, 32, 16, 8, 4, 2, 1, 0]
>>> list(iterate(lambda x:x//2, n=2)(128))
[128, 64]
"""
if n is not None:
def funciter(start):
for i in xrange(n): yield start; start = f(start)
else:
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ewiger/mlab | src/mlab/awmstools.py | dropwhilenot | def dropwhilenot(func, iterable):
"""
>>> list(dropwhilenot(lambda x:x==3, range(10)))
[3, 4, 5, 6, 7, 8, 9]
"""
iterable = iter(iterable)
for x in iterable:
if func(x): break
else: return
yield x
for x in iterable:
yield x | python | def dropwhilenot(func, iterable):
"""
>>> list(dropwhilenot(lambda x:x==3, range(10)))
[3, 4, 5, 6, 7, 8, 9]
"""
iterable = iter(iterable)
for x in iterable:
if func(x): break
else: return
yield x
for x in iterable:
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ewiger/mlab | src/mlab/awmstools.py | stretch | def stretch(iterable, n=2):
r"""Repeat each item in `iterable` `n` times.
Example:
>>> list(stretch(range(3), 2))
[0, 0, 1, 1, 2, 2]
"""
times = range(n)
for item in iterable:
for i in times: yield item | python | def stretch(iterable, n=2):
r"""Repeat each item in `iterable` `n` times.
Example:
>>> list(stretch(range(3), 2))
[0, 0, 1, 1, 2, 2]
"""
times = range(n)
for item in iterable:
for i in times: yield item | [
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ewiger/mlab | src/mlab/awmstools.py | splitAt | def splitAt(iterable, indices):
r"""Yield chunks of `iterable`, split at the points in `indices`:
>>> [l for l in splitAt(range(10), [2,5])]
[[0, 1], [2, 3, 4], [5, 6, 7, 8, 9]]
splits past the length of `iterable` are ignored:
>>> [l for l in splitAt(range(10), [2,5,10])]
[[0, 1], [2, 3, 4],... | python | def splitAt(iterable, indices):
r"""Yield chunks of `iterable`, split at the points in `indices`:
>>> [l for l in splitAt(range(10), [2,5])]
[[0, 1], [2, 3, 4], [5, 6, 7, 8, 9]]
splits past the length of `iterable` are ignored:
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ewiger/mlab | src/mlab/awmstools.py | update | def update(d, e):
"""Return a copy of dict `d` updated with dict `e`."""
res = copy.copy(d)
res.update(e)
return res | python | def update(d, e):
"""Return a copy of dict `d` updated with dict `e`."""
res = copy.copy(d)
res.update(e)
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ewiger/mlab | src/mlab/awmstools.py | invertDict | def invertDict(d, allowManyToOne=False):
r"""Return an inverted version of dict `d`, so that values become keys and
vice versa. If multiple keys in `d` have the same value an error is
raised, unless `allowManyToOne` is true, in which case one of those
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r"""Return an inverted version of dict `d`, so that values become keys and
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ewiger/mlab | src/mlab/awmstools.py | iflatten | def iflatten(seq, isSeq=isSeq):
r"""Like `flatten` but lazy."""
for elt in seq:
if isSeq(elt):
for x in iflatten(elt, isSeq):
yield x
else:
yield elt | python | def iflatten(seq, isSeq=isSeq):
r"""Like `flatten` but lazy."""
for elt in seq:
if isSeq(elt):
for x in iflatten(elt, isSeq):
yield x
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- `isSeq`: The function called to determine whether something is a
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ewiger/mlab | src/mlab/awmstools.py | positionIf | def positionIf(pred, seq):
"""
>>> positionIf(lambda x: x > 3, range(10))
4
"""
for i,e in enumerate(seq):
if pred(e):
return i
return -1 | python | def positionIf(pred, seq):
"""
>>> positionIf(lambda x: x > 3, range(10))
4
"""
for i,e in enumerate(seq):
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ewiger/mlab | src/mlab/awmstools.py | union | def union(seq1=(), *seqs):
r"""Return the set union of `seq1` and `seqs`, duplicates removed, order random.
Examples:
>>> union()
[]
>>> union([1,2,3])
[1, 2, 3]
>>> union([1,2,3], {1:2, 5:1})
[1, 2, 3, 5]
>>> union((1,2,3), ['a'], "bcd")
['a', 1, 2, 3, 'd', 'b', 'c']
>>> un... | python | def union(seq1=(), *seqs):
r"""Return the set union of `seq1` and `seqs`, duplicates removed, order random.
Examples:
>>> union()
[]
>>> union([1,2,3])
[1, 2, 3]
>>> union([1,2,3], {1:2, 5:1})
[1, 2, 3, 5]
>>> union((1,2,3), ['a'], "bcd")
['a', 1, 2, 3, 'd', 'b', 'c']
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ewiger/mlab | src/mlab/awmstools.py | without | def without(seq1, seq2):
r"""Return a list with all elements in `seq2` removed from `seq1`, order
preserved.
Examples:
>>> without([1,2,3,1,2], [1])
[2, 3, 2]
"""
if isSet(seq2): d2 = seq2
else: d2 = set(seq2)
return [elt for elt in seq1 if elt not in d2] | python | def without(seq1, seq2):
r"""Return a list with all elements in `seq2` removed from `seq1`, order
preserved.
Examples:
>>> without([1,2,3,1,2], [1])
[2, 3, 2]
"""
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ewiger/mlab | src/mlab/awmstools.py | some | def some(predicate, *seqs):
"""
>>> some(lambda x: x, [0, False, None])
False
>>> some(lambda x: x, [None, 0, 2, 3])
2
>>> some(operator.eq, [0,1,2], [2,1,0])
True
>>> some(operator.eq, [1,2], [2,1])
False
"""
try:
if len(seqs) == 1: return ifilter(bool,imap(predicate... | python | def some(predicate, *seqs):
"""
>>> some(lambda x: x, [0, False, None])
False
>>> some(lambda x: x, [None, 0, 2, 3])
2
>>> some(operator.eq, [0,1,2], [2,1,0])
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>>> some(operator.eq, [1,2], [2,1])
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ewiger/mlab | src/mlab/awmstools.py | every | def every(predicate, *iterables):
r"""Like `some`, but only returns `True` if all the elements of `iterables`
satisfy `predicate`.
Examples:
>>> every(bool, [])
True
>>> every(bool, [0])
False
>>> every(bool, [1,1])
True
>>> every(operator.eq, [1,2,3],[1,2])
True
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r"""Like `some`, but only returns `True` if all the elements of `iterables`
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Examples:
>>> every(bool, [])
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>>> every(bool, [0])
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>>> every(bool, [1,1])
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ewiger/mlab | src/mlab/awmstools.py | nTimes | def nTimes(n, f, *args, **kwargs):
r"""Call `f` `n` times with `args` and `kwargs`.
Useful e.g. for simplistic timing.
Examples:
>>> nTimes(3, sys.stdout.write, 'hallo\n')
hallo
hallo
hallo
"""
for i in xrange(n): f(*args, **kwargs) | python | def nTimes(n, f, *args, **kwargs):
r"""Call `f` `n` times with `args` and `kwargs`.
Useful e.g. for simplistic timing.
Examples:
>>> nTimes(3, sys.stdout.write, 'hallo\n')
hallo
hallo
hallo
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ewiger/mlab | src/mlab/awmstools.py | timeCall | def timeCall(*funcAndArgs, **kwargs):
r"""Return the time (in ms) it takes to call a function (the first
argument) with the remaining arguments and `kwargs`.
Examples:
To find out how long ``func('foo', spam=1)`` takes to execute, do:
``timeCall(func, foo, spam=1)``
"""
func, args = func... | python | def timeCall(*funcAndArgs, **kwargs):
r"""Return the time (in ms) it takes to call a function (the first
argument) with the remaining arguments and `kwargs`.
Examples:
To find out how long ``func('foo', spam=1)`` takes to execute, do:
``timeCall(func, foo, spam=1)``
"""
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ewiger/mlab | src/mlab/awmstools.py | replaceStrs | def replaceStrs(s, *args):
r"""Replace all ``(frm, to)`` tuples in `args` in string `s`.
>>> replaceStrs("nothing is better than warm beer",
... ('nothing','warm beer'), ('warm beer','nothing'))
'warm beer is better than nothing'
"""
if args == (): return s
mapping = dict((frm,... | python | def replaceStrs(s, *args):
r"""Replace all ``(frm, to)`` tuples in `args` in string `s`.
>>> replaceStrs("nothing is better than warm beer",
... ('nothing','warm beer'), ('warm beer','nothing'))
'warm beer is better than nothing'
"""
if args == (): return s
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ewiger/mlab | src/mlab/awmstools.py | unescape | def unescape(s):
r"""Inverse of `escape`.
>>> unescape(r'\x41\n\x42\n\x43')
'A\nB\nC'
>>> unescape(r'\u86c7')
u'\u86c7'
>>> unescape(u'ah')
u'ah'
"""
if re.search(r'(?<!\\)\\(\\\\)*[uU]', s) or isinstance(s, unicode):
return unescapeUnicode(s)
else:
return unescap... | python | def unescape(s):
r"""Inverse of `escape`.
>>> unescape(r'\x41\n\x42\n\x43')
'A\nB\nC'
>>> unescape(r'\u86c7')
u'\u86c7'
>>> unescape(u'ah')
u'ah'
"""
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ewiger/mlab | src/mlab/awmstools.py | lineAndColumnAt | def lineAndColumnAt(s, pos):
r"""Return line and column of `pos` (0-based!) in `s`. Lines start with
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Examples:
>>> lineAndColumnAt("0123\n56", 5)
(2, 0)
>>> lineAndColumnAt("0123\n56", 6)
(2, 1)
>>> lineAndColumnAt("0123\n56", 0)
(1, 0)
"""
if pos >= len(... | python | def lineAndColumnAt(s, pos):
r"""Return line and column of `pos` (0-based!) in `s`. Lines start with
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Examples:
>>> lineAndColumnAt("0123\n56", 5)
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>>> lineAndColumnAt("0123\n56", 6)
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(1, 0)
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ewiger/mlab | src/mlab/awmstools.py | prin | def prin(*args, **kwargs):
r"""Like ``print``, but a function. I.e. prints out all arguments as
``print`` would do. Specify output stream like this::
print('ERROR', `out="sys.stderr"``).
"""
print >> kwargs.get('out',None), " ".join([str(arg) for arg in args]) | python | def prin(*args, **kwargs):
r"""Like ``print``, but a function. I.e. prints out all arguments as
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print('ERROR', `out="sys.stderr"``).
"""
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ewiger/mlab | src/mlab/awmstools.py | fitString | def fitString(s, maxCol=79, newlineReplacement=None):
r"""Truncate `s` if necessary to fit into a line of width `maxCol`
(default: 79), also replacing newlines with `newlineReplacement` (default
`None`: in which case everything after the first newline is simply
discarded).
Examples:
>>> fitStr... | python | def fitString(s, maxCol=79, newlineReplacement=None):
r"""Truncate `s` if necessary to fit into a line of width `maxCol`
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ewiger/mlab | src/mlab/awmstools.py | saveVars | def saveVars(filename, varNamesStr, outOf=None, **opts):
r"""Pickle name and value of all those variables in `outOf` (default: all
global variables (as seen from the caller)) that are named in
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r"""Pickle name and value of all those variables in `outOf` (default: all
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ewiger/mlab | src/mlab/awmstools.py | addVars | def addVars(filename, varNamesStr, outOf=None):
r"""Like `saveVars`, but appends additional variables to file."""
filename, varnames, outOf = __saveVarsHelper(filename, varNamesStr, outOf)
f = None
try:
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h = cPickle.load(f)
f.close()
h.update(dict... | python | def addVars(filename, varNamesStr, outOf=None):
r"""Like `saveVars`, but appends additional variables to file."""
filename, varnames, outOf = __saveVarsHelper(filename, varNamesStr, outOf)
f = None
try:
f = open(filename, "rb")
h = cPickle.load(f)
f.close()
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"""Return the variables pickled pickled into `filename` with `saveVars`
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filename = os.path.expanduser(filename)
if not splitext(filename)[1]: filename += ".bpickle"
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ewiger/mlab | src/mlab/awmstools.py | loadVars | def loadVars(filename, ask=True, into=None, only=None):
r"""Load variables pickled with `saveVars`.
Parameters:
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asking.
- `only`: A list to limit the variables to or `None`.
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r"""Load variables pickled with `saveVars`.
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ewiger/mlab | src/mlab/awmstools.py | runInfo | def runInfo(prog=None,vers=None,date=None,user=None,dir=None,args=None):
r"""Create a short info string detailing how a program was invoked. This is
meant to be added to a history comment field of a data file were it is
important to keep track of what programs modified it and how.
!!!:`args` should be ... | python | def runInfo(prog=None,vers=None,date=None,user=None,dir=None,args=None):
r"""Create a short info string detailing how a program was invoked. This is
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ewiger/mlab | src/mlab/awmstools.py | makePrintReturner | def makePrintReturner(pre="", post="" ,out=None):
r"""Creates functions that print out their argument, (between optional
`pre` and `post` strings) and return it unmodified. This is usefull for
debugging e.g. parts of expressions, without having to modify the behavior
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Example:
>... | python | def makePrintReturner(pre="", post="" ,out=None):
r"""Creates functions that print out their argument, (between optional
`pre` and `post` strings) and return it unmodified. This is usefull for
debugging e.g. parts of expressions, without having to modify the behavior
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ewiger/mlab | src/mlab/awmstools.py | asVerboseContainer | def asVerboseContainer(cont, onGet=None, onSet=None, onDel=None):
"""Returns a 'verbose' version of container instance `cont`, that will
execute `onGet`, `onSet` and `onDel` (if not `None`) every time
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(and `value` in the... | python | def asVerboseContainer(cont, onGet=None, onSet=None, onDel=None):
"""Returns a 'verbose' version of container instance `cont`, that will
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ewiger/mlab | src/mlab/awmstools.py | mkRepr | def mkRepr(instance, *argls, **kwargs):
r"""Convinience function to implement ``__repr__``. `kwargs` values are
``repr`` ed. Special behavior for ``instance=None``: just the
arguments are formatted.
Example:
>>> class Thing:
... def __init__(self, color, shape, taste=None):... | python | def mkRepr(instance, *argls, **kwargs):
r"""Convinience function to implement ``__repr__``. `kwargs` values are
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Example:
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ewiger/mlab | src/mlab/awmstools.py | d2attrs | def d2attrs(*args, **kwargs):
"""Utility function to remove ``**kwargs`` parsing boiler-plate in
``__init__``:
>>> kwargs = dict(name='Bill', age=51, income=1e7)
>>> self = ezstruct(); d2attrs(kwargs, self, 'income', 'name'); self
ezstruct(income=10000000.0, name='Bill')
>>> ... | python | def d2attrs(*args, **kwargs):
"""Utility function to remove ``**kwargs`` parsing boiler-plate in
``__init__``:
>>> kwargs = dict(name='Bill', age=51, income=1e7)
>>> self = ezstruct(); d2attrs(kwargs, self, 'income', 'name'); self
ezstruct(income=10000000.0, name='Bill')
>>> ... | [
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ewiger/mlab | src/mlab/awmstools.py | pairwise | def pairwise(fun, v):
"""
>>> pairwise(operator.sub, [4,3,2,1,-10])
[1, 1, 1, 11]
>>> import numpy
>>> pairwise(numpy.subtract, numpy.array([4,3,2,1,-10]))
array([ 1, 1, 1, 11])
"""
if not hasattr(v, 'shape'):
return list(ipairwise(fun,v))
else:
return fun(v[:-1],v[... | python | def pairwise(fun, v):
"""
>>> pairwise(operator.sub, [4,3,2,1,-10])
[1, 1, 1, 11]
>>> import numpy
>>> pairwise(numpy.subtract, numpy.array([4,3,2,1,-10]))
array([ 1, 1, 1, 11])
"""
if not hasattr(v, 'shape'):
return list(ipairwise(fun,v))
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ewiger/mlab | src/mlab/awmstools.py | argmax | def argmax(iterable, key=None, both=False):
"""
>>> argmax([4,2,-5])
0
>>> argmax([4,2,-5], key=abs)
2
>>> argmax([4,2,-5], key=abs, both=True)
(2, 5)
"""
if key is not None:
it = imap(key, iterable)
else:
it = iter(iterable)
score, argmax = reduce(max, izip(i... | python | def argmax(iterable, key=None, both=False):
"""
>>> argmax([4,2,-5])
0
>>> argmax([4,2,-5], key=abs)
2
>>> argmax([4,2,-5], key=abs, both=True)
(2, 5)
"""
if key is not None:
it = imap(key, iterable)
else:
it = iter(iterable)
score, argmax = reduce(max, izip(i... | [
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"... | train | https://github.com/ewiger/mlab/blob/72a98adf6499f548848ad44c604f74d68f07fe4f/src/mlab/awmstools.py#L1846-L1862 |
ewiger/mlab | src/mlab/awmstools.py | argmin | def argmin(iterable, key=None, both=False):
"""See `argmax`.
"""
if key is not None:
it = imap(key, iterable)
else:
it = iter(iterable)
score, argmin = reduce(min, izip(it, count()))
if both:
return argmin, score
return argmin | python | def argmin(iterable, key=None, both=False):
"""See `argmax`.
"""
if key is not None:
it = imap(key, iterable)
else:
it = iter(iterable)
score, argmin = reduce(min, izip(it, count()))
if both:
return argmin, score
return argmin | [
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ewiger/mlab | src/mlab/awmstools.py | isInt | def isInt(num):
"""Returns true if `num` is (sort of) an integer.
>>> isInt(3) == isInt(3.0) == 1
True
>>> isInt(3.2)
False
>>> import numpy
>>> isInt(numpy.array(1))
True
>>> isInt(numpy.array([1]))
False
"""
try:
len(num) # FIXME fails for Numeric but Numeric is... | python | def isInt(num):
"""Returns true if `num` is (sort of) an integer.
>>> isInt(3) == isInt(3.0) == 1
True
>>> isInt(3.2)
False
>>> import numpy
>>> isInt(numpy.array(1))
True
>>> isInt(numpy.array([1]))
False
"""
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>>> isInt(numpy.array(1))
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ewiger/mlab | src/mlab/awmstools.py | mapConcat | def mapConcat(func, *iterables):
"""Similar to `map` but the instead of collecting the return values of
`func` in a list, the items of each return value are instaed collected
(so `func` must return an iterable type).
Examples:
>>> mapConcat(lambda x:[x], [1,2,3])
[1, 2, 3]
>>> mapConcat(la... | python | def mapConcat(func, *iterables):
"""Similar to `map` but the instead of collecting the return values of
`func` in a list, the items of each return value are instaed collected
(so `func` must return an iterable type).
Examples:
>>> mapConcat(lambda x:[x], [1,2,3])
[1, 2, 3]
>>> mapConcat(la... | [
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Examples:
>>> mapConcat(lambda x:[x], [1,2,3])
[1, 2, 3]
>>> mapConcat(lambda x: [x,str(x)], [1,2,3])
[1, '1'... | [
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ewiger/mlab | src/mlab/awmstools.py | unfold | def unfold(seed, by, last = __unique):
"""
>>> list(unfold(1234, lambda x: divmod(x,10)))[::-1]
[1, 2, 3, 4]
>>> sum(imap(operator.mul,unfold(1234, lambda x:divmod(x,10)), iterate(lambda x:x*10)(1)))
1234
>>> g = unfold(1234, lambda x:divmod(x,10))
>>> reduce((lambda (total,pow),digit:(total... | python | def unfold(seed, by, last = __unique):
"""
>>> list(unfold(1234, lambda x: divmod(x,10)))[::-1]
[1, 2, 3, 4]
>>> sum(imap(operator.mul,unfold(1234, lambda x:divmod(x,10)), iterate(lambda x:x*10)(1)))
1234
>>> g = unfold(1234, lambda x:divmod(x,10))
>>> reduce((lambda (total,pow),digit:(total... | [
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] | >>> list(unfold(1234, lambda x: divmod(x,10)))[::-1]
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>>> sum(imap(operator.mul,unfold(1234, lambda x:divmod(x,10)), iterate(lambda x:x*10)(1)))
1234
>>> g = unfold(1234, lambda x:divmod(x,10))
>>> reduce((lambda (total,pow),digit:(total+pow*digit, 10*pow)), g, (0,1))
(1234, 10000) | [
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"... | train | https://github.com/ewiger/mlab/blob/72a98adf6499f548848ad44c604f74d68f07fe4f/src/mlab/awmstools.py#L1935-L1949 |
ewiger/mlab | src/mlab/awmstools.py | reduceR | def reduceR(f, sequence, initial=__unique):
"""*R*ight reduce.
>>> reduceR(lambda x,y:x/y, [1.,2.,3.,4]) == 1./(2./(3./4.)) == (1./2.)*(3./4.)
True
>>> reduceR(lambda x,y:x-y, iter([1,2,3]),4) == 1-(2-(3-4)) == (1-2)+(3-4)
True
"""
try: rev = reversed(sequence)
except TypeError: rev = re... | python | def reduceR(f, sequence, initial=__unique):
"""*R*ight reduce.
>>> reduceR(lambda x,y:x/y, [1.,2.,3.,4]) == 1./(2./(3./4.)) == (1./2.)*(3./4.)
True
>>> reduceR(lambda x,y:x-y, iter([1,2,3]),4) == 1-(2-(3-4)) == (1-2)+(3-4)
True
"""
try: rev = reversed(sequence)
except TypeError: rev = re... | [
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>>> reduceR(lambda x,y:x/y, [1.,2.,3.,4]) == 1./(2./(3./4.)) == (1./2.)*(3./4.)
True
>>> reduceR(lambda x,y:x-y, iter([1,2,3]),4) == 1-(2-(3-4)) == (1-2)+(3-4)
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ewiger/mlab | src/mlab/awmstools.py | compose | def compose(*funcs):
"""Compose `funcs` to a single function.
>>> compose(operator.abs, operator.add)(-2,-3)
5
>>> compose()('nada')
'nada'
>>> compose(sorted, set, partial(filter, None))(range(3)[::-1]*2)
[1, 2]
"""
# slightly optimized for most common cases and hence verbose
i... | python | def compose(*funcs):
"""Compose `funcs` to a single function.
>>> compose(operator.abs, operator.add)(-2,-3)
5
>>> compose()('nada')
'nada'
>>> compose(sorted, set, partial(filter, None))(range(3)[::-1]*2)
[1, 2]
"""
# slightly optimized for most common cases and hence verbose
i... | [
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>>> compose(operator.abs, operator.add)(-2,-3)
5
>>> compose()('nada')
'nada'
>>> compose(sorted, set, partial(filter, None))(range(3)[::-1]*2)
[1, 2] | [
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] | train | https://github.com/ewiger/mlab/blob/72a98adf6499f548848ad44c604f74d68f07fe4f/src/mlab/awmstools.py#L1964-L1984 |
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