本文整理汇总了Python中isodatetime.parsers.DurationParser类的典型用法代码示例。如果您正苦于以下问题：Python DurationParser类的具体用法？Python DurationParser怎么用？Python DurationParser使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了DurationParser类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _coerce_cycleinterval
def _coerce_cycleinterval(value, keys, _):
"""Coerce value to a cycle interval."""
if not value:
return None
value = _strip_and_unquote(keys, value)
if value.isdigit():
# Old runahead limit format.
set_syntax_version(VERSION_PREV,
"integer interval for %s" % itemstr(
keys[:-1], keys[-1], value))
return value
if REC_INTEGER_INTERVAL.match(value):
# New integer cycling format.
set_syntax_version(VERSION_NEW,
"integer interval for %s" % itemstr(
keys[:-1], keys[-1], value))
return value
parser = DurationParser()
try:
parser.parse(value)
except ValueError:
raise IllegalValueError("interval", keys, value)
set_syntax_version(VERSION_NEW,
"ISO 8601 interval for %s" % itemstr(
keys[:-1], keys[-1], value))
return value示例2: coerce_interval
def coerce_interval(self, value, keys):
"""Coerce an ISO 8601 interval (or number: back-comp) into seconds."""
value = self.strip_and_unquote(keys, value)
if not value:
# Allow explicit empty values.
return None
try:
interval = DurationParser().parse(value)
except ValueError:
raise IllegalValueError("ISO 8601 interval", keys, value)
days, seconds = interval.get_days_and_seconds()
return DurationFloat(
days * Calendar.default().SECONDS_IN_DAY + seconds)示例3: __init__
def __init__(self, parse_format=None, utc_mode=False, calendar_mode=None,
ref_point_str=None):
"""Constructor.
parse_format -- If specified, parse with the specified format.
Otherwise, parse with one of the format strings in
self.PARSE_FORMATS. The format should be a string
compatible to strptime(3).
utc_mode -- If True, parse/print in UTC mode rather than local or
other timezones.
calendar_mode -- Set calendar mode, for isodatetime.data.Calendar.
ref_point_str -- Set the reference time point for operations.
If not specified, operations use current date time.
"""
self.parse_formats = self.PARSE_FORMATS
self.custom_parse_format = parse_format
self.utc_mode = utc_mode
if self.utc_mode:
assumed_time_zone = (0, 0)
else:
assumed_time_zone = None
self.set_calendar_mode(calendar_mode)
self.time_point_dumper = TimePointDumper()
self.time_point_parser = TimePointParser(
assumed_time_zone=assumed_time_zone)
self.duration_parser = DurationParser()
self.ref_point_str = ref_point_str示例4: coerce_cycle_point
def coerce_cycle_point(cls, value, keys):
"""Coerce value to a cycle point."""
if not value:
return None
value = cls.strip_and_unquote(keys, value)
if value == 'now':
# Handle this later in config.py when the suite UTC mode is known.
return value
if "next" in value or "previous" in value:
# Handle this later, as for "now".
return value
if value.isdigit():
# Could be an old date-time cycle point format, or integer format.
return value
if "P" not in value and (
value.startswith('-') or value.startswith('+')):
# We don't know the value given for num expanded year digits...
for i in range(1, 101):
try:
TimePointParser(num_expanded_year_digits=i).parse(value)
except ValueError:
continue
return value
raise IllegalValueError('cycle point', keys, value)
if "P" in value:
# ICP is an offset
parser = DurationParser()
try:
if value.startswith("-"):
# parser doesn't allow negative duration with this setup?
parser.parse(value[1:])
else:
parser.parse(value)
return value
except ValueError:
raise IllegalValueError("cycle point", keys, value)
try:
TimePointParser().parse(value)
except ValueError:
raise IllegalValueError('cycle point', keys, value)
return value示例5: __init__
def __init__(self, *args, **kwargs):
Runner.__init__(self, *args, **kwargs)
path = os.path.dirname(os.path.dirname(sys.modules["rose"].__file__))
self.builtins_manager = SchemeHandlersManager(
[path], "rose.apps", ["run"], None, *args, **kwargs)
self.duration_parser = DurationParser()示例6: AppRunner
class AppRunner(Runner):
"""Invoke a Rose application."""
OLD_DURATION_UNITS = {"h": 3600, "m": 60, "s": 1}
NAME = "app"
OPTIONS = ["app_mode", "command_key", "conf_dir", "defines",
"install_only_mode", "new_mode", "no_overwrite_mode",
"opt_conf_keys"]
def __init__(self, *args, **kwargs):
Runner.__init__(self, *args, **kwargs)
path = os.path.dirname(os.path.dirname(sys.modules["rose"].__file__))
self.builtins_manager = SchemeHandlersManager(
[path], "rose.apps", ["run"], None, *args, **kwargs)
self.duration_parser = DurationParser()
def run_impl(self, opts, args, uuid, work_files):
"""The actual logic for a run."""
# Preparation.
conf_tree = self.config_load(opts)
self._prep(conf_tree, opts)
self._poll(conf_tree)
# Run the application or the command.
app_mode = conf_tree.node.get_value(["mode"])
if app_mode is None:
app_mode = opts.app_mode
if app_mode in [None, "command"]:
return self._command(conf_tree, opts, args)
else:
builtin_app = self.builtins_manager.get_handler(app_mode)
if builtin_app is None:
raise UnknownBuiltinAppError(app_mode)
return builtin_app.run(self, conf_tree, opts, args, uuid,
work_files)
def _poll(self, conf_tree):
"""Poll for prerequisites of applications."""
# Poll configuration
poll_test = conf_tree.node.get_value(["poll", "test"])
poll_all_files_value = conf_tree.node.get_value(["poll", "all-files"])
poll_all_files = []
if poll_all_files_value:
try:
poll_all_files = shlex.split(
env_var_process(poll_all_files_value))
except UnboundEnvironmentVariableError as exc:
raise ConfigValueError(["poll", "all-files"],
poll_all_files_value, exc)
poll_any_files_value = conf_tree.node.get_value(["poll", "any-files"])
poll_any_files = []
if poll_any_files_value:
try:
poll_any_files = shlex.split(
env_var_process(poll_any_files_value))
except UnboundEnvironmentVariableError as exc:
raise ConfigValueError(["poll", "any-files"],
poll_any_files_value, exc)
poll_file_test = None
if poll_all_files or poll_any_files:
poll_file_test = conf_tree.node.get_value(["poll", "file-test"])
if poll_file_test and "{}" not in poll_file_test:
raise ConfigValueError(["poll", "file-test"], poll_file_test,
ConfigValueError.SYNTAX)
poll_delays = []
if poll_test or poll_all_files or poll_any_files:
# Parse something like this: delays=10,4*PT30S,PT2M30S,2*PT1H
# R*DURATION: repeat the value R times
conf_keys = ["poll", "delays"]
poll_delays_value = conf_tree.node.get_value(
conf_keys, default="").strip()
if poll_delays_value:
is_legacy0 = None
for item in poll_delays_value.split(","):
value = item.strip()
repeat = 1
if "*" in value:
repeat, value = value.split("*", 1)
try:
repeat = int(repeat)
except ValueError as exc:
raise ConfigValueError(conf_keys,
poll_delays_value,
ConfigValueError.SYNTAX)
try:
value = self.duration_parser.parse(value).get_seconds()
is_legacy = False
except ISO8601SyntaxError:
# Legacy mode: nnnU
# nnn is a float, U is the unit
# No unit or s: seconds
# m: minutes
# h: hours
unit = None
if value[-1].lower() in self.OLD_DURATION_UNITS:
unit = self.OLD_DURATION_UNITS[value[-1].lower()]
value = value[:-1]
try:
#.........这里部分代码省略.........
示例7: RoseDateTimeOperator
class RoseDateTimeOperator(object):
"""A class to parse and print date string with an offset."""
CURRENT_TIME_DUMP_FORMAT = u"CCYY-MM-DDThh:mm:ss+hh:mm"
CURRENT_TIME_DUMP_FORMAT_Z = u"CCYY-MM-DDThh:mm:ssZ"
NEGATIVE = "-"
# strptime formats and their compatibility with the ISO 8601 parser.
PARSE_FORMATS = [
("%a %b %d %H:%M:%S %Y", True), # ctime
("%a %b %d %H:%M:%S %Z %Y", True), # Unix "date"
("%Y-%m-%dT%H:%M:%S", False), # ISO8601, extended
("%Y%m%dT%H%M%S", False), # ISO8601, basic
("%Y%m%d%H", False) # Cylc (current)
]
REC_OFFSET = re.compile(r"""\A[\+\-]?(?:\d+[wdhms])+\Z""", re.I)
REC_OFFSET_FIND = re.compile(r"""(?P<num>\d+)(?P<unit>[wdhms])""")
STR_NOW = "now"
STR_REF = "ref"
TASK_CYCLE_TIME_ENV = "ROSE_TASK_CYCLE_TIME"
UNITS = {"w": "weeks",
"d": "days",
"h": "hours",
"m": "minutes",
"s": "seconds"}
def __init__(self, parse_format=None, utc_mode=False, calendar_mode=None,
ref_point_str=None):
"""Constructor.
parse_format -- If specified, parse with the specified format.
Otherwise, parse with one of the format strings in
self.PARSE_FORMATS. The format should be a string
compatible to strptime(3).
utc_mode -- If True, parse/print in UTC mode rather than local or
other timezones.
calendar_mode -- Set calendar mode, for isodatetime.data.Calendar.
ref_point_str -- Set the reference time point for operations.
If not specified, operations use current date time.
"""
self.parse_formats = self.PARSE_FORMATS
self.custom_parse_format = parse_format
self.utc_mode = utc_mode
if self.utc_mode:
assumed_time_zone = (0, 0)
else:
assumed_time_zone = None
self.set_calendar_mode(calendar_mode)
self.time_point_dumper = TimePointDumper()
self.time_point_parser = TimePointParser(
assumed_time_zone=assumed_time_zone)
self.duration_parser = DurationParser()
self.ref_point_str = ref_point_str
def date_format(self, print_format, time_point=None):
"""Reformat time_point according to print_format.
time_point -- The time point to format.
Otherwise, use ref date time.
"""
if time_point is None:
time_point = self.date_parse()[0]
if print_format is None:
return str(time_point)
if "%" in print_format:
try:
return time_point.strftime(print_format)
except ValueError:
return self.get_datetime_strftime(time_point, print_format)
return self.time_point_dumper.dump(time_point, print_format)
def date_parse(self, time_point_str=None):
"""Parse time_point_str.
Return (t, format) where t is a isodatetime.data.TimePoint object and
format is the format that matches time_point_str.
time_point_str -- The time point string to parse.
Otherwise, use ref time.
"""
if time_point_str is None or time_point_str == self.STR_REF:
time_point_str = self.ref_point_str
if time_point_str is None or time_point_str == self.STR_NOW:
time_point = get_timepoint_for_now()
#.........这里部分代码省略.........
示例8: ControlTree
class ControlTree(object):
"""Text Treeview suite control interface."""
def __init__(self, cfg, updater, theme, dot_size, info_bar,
get_right_click_menu, log_colors, insert_task_popup):
self.cfg = cfg
self.updater = updater
self.theme = theme
self.dot_size = dot_size
self.info_bar = info_bar
self.get_right_click_menu = get_right_click_menu
self.log_colors = log_colors
self.insert_task_popup = insert_task_popup
self.interval_parser = DurationParser()
self.gcapture_windows = []
self.ttree_paths = {} # Cache dict of tree paths & states, names.
def get_control_widgets(self):
main_box = gtk.VBox()
main_box.pack_start(self.treeview_widgets(), expand=True, fill=True)
self.t = TreeUpdater(
self.cfg, self.updater, self.ttreeview, self.ttree_paths,
self.info_bar, self.theme, self.dot_size
)
self.t.start()
return main_box
def toggle_grouping(self, toggle_item):
"""Toggle grouping by visualisation families."""
group_on = toggle_item.get_active()
if group_on == self.t.should_group_families:
return False
if group_on:
if "text" in self.cfg.ungrouped_views:
self.cfg.ungrouped_views.remove("text")
elif "text" not in self.cfg.ungrouped_views:
self.cfg.ungrouped_views.append("text")
self.t.should_group_families = group_on
if isinstance(toggle_item, gtk.ToggleToolButton):
if group_on:
tip_text = "Tree View - Click to ungroup families"
else:
tip_text = "Tree View - Click to group tasks by families"
self._set_tooltip(toggle_item, tip_text)
self.group_menu_item.set_active(group_on)
else:
if toggle_item != self.group_menu_item:
self.group_menu_item.set_active(group_on)
self.group_toolbutton.set_active(group_on)
self.t.update_gui()
return False
def stop(self):
self.t.quit = True
def toggle_autoexpand(self, w):
self.t.autoexpand = not self.t.autoexpand
def treeview_widgets(self):
self.sort_col_num = 0
self.ttreestore = gtk.TreeStore(
str, str, str, str, str, str, str, str, str, str, str,
gtk.gdk.Pixbuf, int)
self.ttreeview = gtk.TreeView()
self.ttreeview.set_rules_hint(True)
# TODO - REMOVE FILTER HERE?
self.tmodelfilter = self.ttreestore.filter_new()
self.tmodelsort = gtk.TreeModelSort(self.tmodelfilter)
self.ttreeview.set_model(self.tmodelsort)
ts = self.ttreeview.get_selection()
ts.set_mode(gtk.SELECTION_SINGLE)
self.ttreeview.connect(
'button_press_event', self.on_treeview_button_pressed)
headings = [
None, 'task', 'state', 'host', 'job system', 'job ID', 'T-submit',
'T-start', 'T-finish', 'dT-mean', 'latest message',
]
for n in range(1, len(headings)):
# Skip first column (cycle point)
tvc = gtk.TreeViewColumn(headings[n])
if n == 1:
crp = gtk.CellRendererPixbuf()
tvc.pack_start(crp, False)
tvc.set_attributes(crp, pixbuf=11)
if n == 8:
# Pack in progress and text cell renderers.
prog_cr = gtk.CellRendererProgress()
tvc.pack_start(prog_cr, True)
tvc.set_cell_data_func(prog_cr, self._set_cell_text_time, n)
cr = gtk.CellRendererText()
tvc.pack_start(cr, True)
if n == 6 or n == 7 or n == 8:
tvc.set_cell_data_func(cr, self._set_cell_text_time, n)
else:
#.........这里部分代码省略.........