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Tom Price
2014-12-07 17:32:24 +00:00
parent c76d12d877
commit 7ba11a2db9
571 changed files with 143368 additions and 6 deletions
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zope/interface/common/__init__.py Normal file
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#
# This file is necessary to make this directory a package.

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zope/interface/common/idatetime.py Normal file
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##############################################################################
# Copyright (c) 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
##############################################################################
"""Datetime interfaces.
This module is called idatetime because if it were called datetime the import
of the real datetime would fail.
"""
from zope.interface import Interface, Attribute
from zope.interface import classImplements
from datetime import timedelta, date, datetime, time, tzinfo
class ITimeDeltaClass(Interface):
"""This is the timedelta class interface."""
min = Attribute("The most negative timedelta object")
max = Attribute("The most positive timedelta object")
resolution = Attribute(
"The smallest difference between non-equal timedelta objects")
class ITimeDelta(ITimeDeltaClass):
"""Represent the difference between two datetime objects.
Supported operators:
- add, subtract timedelta
- unary plus, minus, abs
- compare to timedelta
- multiply, divide by int/long
In addition, datetime supports subtraction of two datetime objects
returning a timedelta, and addition or subtraction of a datetime
and a timedelta giving a datetime.
Representation: (days, seconds, microseconds).
"""
days = Attribute("Days between -999999999 and 999999999 inclusive")
seconds = Attribute("Seconds between 0 and 86399 inclusive")
microseconds = Attribute("Microseconds between 0 and 999999 inclusive")
class IDateClass(Interface):
"""This is the date class interface."""
min = Attribute("The earliest representable date")
max = Attribute("The latest representable date")
resolution = Attribute(
"The smallest difference between non-equal date objects")
def today():
"""Return the current local time.
This is equivalent to date.fromtimestamp(time.time())"""
def fromtimestamp(timestamp):
"""Return the local date from a POSIX timestamp (like time.time())
This may raise ValueError, if the timestamp is out of the range of
values supported by the platform C localtime() function. It's common
for this to be restricted to years from 1970 through 2038. Note that
on non-POSIX systems that include leap seconds in their notion of a
timestamp, leap seconds are ignored by fromtimestamp().
"""
def fromordinal(ordinal):
"""Return the date corresponding to the proleptic Gregorian ordinal.
January 1 of year 1 has ordinal 1. ValueError is raised unless
1 <= ordinal <= date.max.toordinal().
For any date d, date.fromordinal(d.toordinal()) == d.
"""
class IDate(IDateClass):
"""Represents a date (year, month and day) in an idealized calendar.
Operators:
__repr__, __str__
__cmp__, __hash__
__add__, __radd__, __sub__ (add/radd only with timedelta arg)
"""
year = Attribute("Between MINYEAR and MAXYEAR inclusive.")
month = Attribute("Between 1 and 12 inclusive")
day = Attribute(
"Between 1 and the number of days in the given month of the given year.")
def replace(year, month, day):
"""Return a date with the same value.
Except for those members given new values by whichever keyword
arguments are specified. For example, if d == date(2002, 12, 31), then
d.replace(day=26) == date(2000, 12, 26).
"""
def timetuple():
"""Return a 9-element tuple of the form returned by time.localtime().
The hours, minutes and seconds are 0, and the DST flag is -1.
d.timetuple() is equivalent to
(d.year, d.month, d.day, 0, 0, 0, d.weekday(), d.toordinal() -
date(d.year, 1, 1).toordinal() + 1, -1)
"""
def toordinal():
"""Return the proleptic Gregorian ordinal of the date
January 1 of year 1 has ordinal 1. For any date object d,
date.fromordinal(d.toordinal()) == d.
"""
def weekday():
"""Return the day of the week as an integer.
Monday is 0 and Sunday is 6. For example,
date(2002, 12, 4).weekday() == 2, a Wednesday.
See also isoweekday().
"""
def isoweekday():
"""Return the day of the week as an integer.
Monday is 1 and Sunday is 7. For example,
date(2002, 12, 4).isoweekday() == 3, a Wednesday.
See also weekday(), isocalendar().
"""
def isocalendar():
"""Return a 3-tuple, (ISO year, ISO week number, ISO weekday).
The ISO calendar is a widely used variant of the Gregorian calendar.
See http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm for a good
explanation.
The ISO year consists of 52 or 53 full weeks, and where a week starts
on a Monday and ends on a Sunday. The first week of an ISO year is the
first (Gregorian) calendar week of a year containing a Thursday. This
is called week number 1, and the ISO year of that Thursday is the same
as its Gregorian year.
For example, 2004 begins on a Thursday, so the first week of ISO year
2004 begins on Monday, 29 Dec 2003 and ends on Sunday, 4 Jan 2004, so
that date(2003, 12, 29).isocalendar() == (2004, 1, 1) and
date(2004, 1, 4).isocalendar() == (2004, 1, 7).
"""
def isoformat():
"""Return a string representing the date in ISO 8601 format.
This is 'YYYY-MM-DD'.
For example, date(2002, 12, 4).isoformat() == '2002-12-04'.
"""
def __str__():
"""For a date d, str(d) is equivalent to d.isoformat()."""
def ctime():
"""Return a string representing the date.
For example date(2002, 12, 4).ctime() == 'Wed Dec 4 00:00:00 2002'.
d.ctime() is equivalent to time.ctime(time.mktime(d.timetuple()))
on platforms where the native C ctime() function
(which time.ctime() invokes, but which date.ctime() does not invoke)
conforms to the C standard.
"""
def strftime(format):
"""Return a string representing the date.
Controlled by an explicit format string. Format codes referring to
hours, minutes or seconds will see 0 values.
"""
class IDateTimeClass(Interface):
"""This is the datetime class interface."""
min = Attribute("The earliest representable datetime")
max = Attribute("The latest representable datetime")
resolution = Attribute(
"The smallest possible difference between non-equal datetime objects")
def today():
"""Return the current local datetime, with tzinfo None.
This is equivalent to datetime.fromtimestamp(time.time()).
See also now(), fromtimestamp().
"""
def now(tz=None):
"""Return the current local date and time.
If optional argument tz is None or not specified, this is like today(),
but, if possible, supplies more precision than can be gotten from going
through a time.time() timestamp (for example, this may be possible on
platforms supplying the C gettimeofday() function).
Else tz must be an instance of a class tzinfo subclass, and the current
date and time are converted to tz's time zone. In this case the result
is equivalent to tz.fromutc(datetime.utcnow().replace(tzinfo=tz)).
See also today(), utcnow().
"""
def utcnow():
"""Return the current UTC date and time, with tzinfo None.
This is like now(), but returns the current UTC date and time, as a
naive datetime object.
See also now().
"""
def fromtimestamp(timestamp, tz=None):
"""Return the local date and time corresponding to the POSIX timestamp.
Same as is returned by time.time(). If optional argument tz is None or
not specified, the timestamp is converted to the platform's local date
and time, and the returned datetime object is naive.
Else tz must be an instance of a class tzinfo subclass, and the
timestamp is converted to tz's time zone. In this case the result is
equivalent to
tz.fromutc(datetime.utcfromtimestamp(timestamp).replace(tzinfo=tz)).
fromtimestamp() may raise ValueError, if the timestamp is out of the
range of values supported by the platform C localtime() or gmtime()
functions. It's common for this to be restricted to years in 1970
through 2038. Note that on non-POSIX systems that include leap seconds
in their notion of a timestamp, leap seconds are ignored by
fromtimestamp(), and then it's possible to have two timestamps
differing by a second that yield identical datetime objects.
See also utcfromtimestamp().
"""
def utcfromtimestamp(timestamp):
"""Return the UTC datetime from the POSIX timestamp with tzinfo None.
This may raise ValueError, if the timestamp is out of the range of
values supported by the platform C gmtime() function. It's common for
this to be restricted to years in 1970 through 2038.
See also fromtimestamp().
"""
def fromordinal(ordinal):
"""Return the datetime from the proleptic Gregorian ordinal.
January 1 of year 1 has ordinal 1. ValueError is raised unless
1 <= ordinal <= datetime.max.toordinal().
The hour, minute, second and microsecond of the result are all 0, and
tzinfo is None.
"""
def combine(date, time):
"""Return a new datetime object.
Its date members are equal to the given date object's, and whose time
and tzinfo members are equal to the given time object's. For any
datetime object d, d == datetime.combine(d.date(), d.timetz()).
If date is a datetime object, its time and tzinfo members are ignored.
"""
class IDateTime(IDate, IDateTimeClass):
"""Object contains all the information from a date object and a time object.
"""
year = Attribute("Year between MINYEAR and MAXYEAR inclusive")
month = Attribute("Month between 1 and 12 inclusive")
day = Attribute(
"Day between 1 and the number of days in the given month of the year")
hour = Attribute("Hour in range(24)")
minute = Attribute("Minute in range(60)")
second = Attribute("Second in range(60)")
microsecond = Attribute("Microsecond in range(1000000)")
tzinfo = Attribute(
"""The object passed as the tzinfo argument to the datetime constructor
or None if none was passed""")
def date():
"""Return date object with same year, month and day."""
def time():
"""Return time object with same hour, minute, second, microsecond.
tzinfo is None. See also method timetz().
"""
def timetz():
"""Return time object with same hour, minute, second, microsecond,
and tzinfo.
See also method time().
"""
def replace(year, month, day, hour, minute, second, microsecond, tzinfo):
"""Return a datetime with the same members, except for those members
given new values by whichever keyword arguments are specified.
Note that tzinfo=None can be specified to create a naive datetime from
an aware datetime with no conversion of date and time members.
"""
def astimezone(tz):
"""Return a datetime object with new tzinfo member tz, adjusting the
date and time members so the result is the same UTC time as self, but
in tz's local time.
tz must be an instance of a tzinfo subclass, and its utcoffset() and
dst() methods must not return None. self must be aware (self.tzinfo
must not be None, and self.utcoffset() must not return None).
If self.tzinfo is tz, self.astimezone(tz) is equal to self: no
adjustment of date or time members is performed. Else the result is
local time in time zone tz, representing the same UTC time as self:
after astz = dt.astimezone(tz), astz - astz.utcoffset()
will usually have the same date and time members as dt - dt.utcoffset().
The discussion of class tzinfo explains the cases at Daylight Saving
Time transition boundaries where this cannot be achieved (an issue only
if tz models both standard and daylight time).
If you merely want to attach a time zone object tz to a datetime dt
without adjustment of date and time members, use dt.replace(tzinfo=tz).
If you merely want to remove the time zone object from an aware
datetime dt without conversion of date and time members, use
dt.replace(tzinfo=None).
Note that the default tzinfo.fromutc() method can be overridden in a
tzinfo subclass to effect the result returned by astimezone().
"""
def utcoffset():
"""Return the timezone offset in minutes east of UTC (negative west of
UTC)."""
def dst():
"""Return 0 if DST is not in effect, or the DST offset (in minutes
eastward) if DST is in effect.
"""
def tzname():
"""Return the timezone name."""
def timetuple():
"""Return a 9-element tuple of the form returned by time.localtime()."""
def utctimetuple():
"""Return UTC time tuple compatilble with time.gmtimr()."""
def toordinal():
"""Return the proleptic Gregorian ordinal of the date.
The same as self.date().toordinal().
"""
def weekday():
"""Return the day of the week as an integer.
Monday is 0 and Sunday is 6. The same as self.date().weekday().
See also isoweekday().
"""
def isoweekday():
"""Return the day of the week as an integer.
Monday is 1 and Sunday is 7. The same as self.date().isoweekday.
See also weekday(), isocalendar().
"""
def isocalendar():
"""Return a 3-tuple, (ISO year, ISO week number, ISO weekday).
The same as self.date().isocalendar().
"""
def isoformat(sep='T'):
"""Return a string representing the date and time in ISO 8601 format.
YYYY-MM-DDTHH:MM:SS.mmmmmm or YYYY-MM-DDTHH:MM:SS if microsecond is 0
If utcoffset() does not return None, a 6-character string is appended,
giving the UTC offset in (signed) hours and minutes:
YYYY-MM-DDTHH:MM:SS.mmmmmm+HH:MM or YYYY-MM-DDTHH:MM:SS+HH:MM
if microsecond is 0.
The optional argument sep (default 'T') is a one-character separator,
placed between the date and time portions of the result.
"""
def __str__():
"""For a datetime instance d, str(d) is equivalent to d.isoformat(' ').
"""
def ctime():
"""Return a string representing the date and time.
datetime(2002, 12, 4, 20, 30, 40).ctime() == 'Wed Dec 4 20:30:40 2002'.
d.ctime() is equivalent to time.ctime(time.mktime(d.timetuple())) on
platforms where the native C ctime() function (which time.ctime()
invokes, but which datetime.ctime() does not invoke) conforms to the
C standard.
"""
def strftime(format):
"""Return a string representing the date and time.
This is controlled by an explicit format string.
"""
class ITimeClass(Interface):
"""This is the time class interface."""
min = Attribute("The earliest representable time")
max = Attribute("The latest representable time")
resolution = Attribute(
"The smallest possible difference between non-equal time objects")
class ITime(ITimeClass):
"""Represent time with time zone.
Operators:
__repr__, __str__
__cmp__, __hash__
"""
hour = Attribute("Hour in range(24)")
minute = Attribute("Minute in range(60)")
second = Attribute("Second in range(60)")
microsecond = Attribute("Microsecond in range(1000000)")
tzinfo = Attribute(
"""The object passed as the tzinfo argument to the time constructor
or None if none was passed.""")
def replace(hour, minute, second, microsecond, tzinfo):
"""Return a time with the same value.
Except for those members given new values by whichever keyword
arguments are specified. Note that tzinfo=None can be specified
to create a naive time from an aware time, without conversion of the
time members.
"""
def isoformat():
"""Return a string representing the time in ISO 8601 format.
That is HH:MM:SS.mmmmmm or, if self.microsecond is 0, HH:MM:SS
If utcoffset() does not return None, a 6-character string is appended,
giving the UTC offset in (signed) hours and minutes:
HH:MM:SS.mmmmmm+HH:MM or, if self.microsecond is 0, HH:MM:SS+HH:MM
"""
def __str__():
"""For a time t, str(t) is equivalent to t.isoformat()."""
def strftime(format):
"""Return a string representing the time.
This is controlled by an explicit format string.
"""
def utcoffset():
"""Return the timezone offset in minutes east of UTC (negative west of
UTC).
If tzinfo is None, returns None, else returns
self.tzinfo.utcoffset(None), and raises an exception if the latter
doesn't return None or a timedelta object representing a whole number
of minutes with magnitude less than one day.
"""
def dst():
"""Return 0 if DST is not in effect, or the DST offset (in minutes
eastward) if DST is in effect.
If tzinfo is None, returns None, else returns self.tzinfo.dst(None),
and raises an exception if the latter doesn't return None, or a
timedelta object representing a whole number of minutes with
magnitude less than one day.
"""
def tzname():
"""Return the timezone name.
If tzinfo is None, returns None, else returns self.tzinfo.tzname(None),
or raises an exception if the latter doesn't return None or a string
object.
"""
class ITZInfo(Interface):
"""Time zone info class.
"""
def utcoffset(dt):
"""Return offset of local time from UTC, in minutes east of UTC.
If local time is west of UTC, this should be negative.
Note that this is intended to be the total offset from UTC;
for example, if a tzinfo object represents both time zone and DST
adjustments, utcoffset() should return their sum. If the UTC offset
isn't known, return None. Else the value returned must be a timedelta
object specifying a whole number of minutes in the range -1439 to 1439
inclusive (1440 = 24*60; the magnitude of the offset must be less
than one day).
"""
def dst(dt):
"""Return the daylight saving time (DST) adjustment, in minutes east
of UTC, or None if DST information isn't known.
"""
def tzname(dt):
"""Return the time zone name corresponding to the datetime object as
a string.
"""
def fromutc(dt):
"""Return an equivalent datetime in self's local time."""
classImplements(timedelta, ITimeDelta)
classImplements(date, IDate)
classImplements(datetime, IDateTime)
classImplements(time, ITime)
classImplements(tzinfo, ITZInfo)
## directlyProvides(timedelta, ITimeDeltaClass)
## directlyProvides(date, IDateClass)
## directlyProvides(datetime, IDateTimeClass)
## directlyProvides(time, ITimeClass)

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##############################################################################
#
# Copyright (c) 2003 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Interfaces for standard python exceptions
"""
from zope.interface import Interface
from zope.interface import classImplements
class IException(Interface): pass
class IStandardError(IException): pass
class IWarning(IException): pass
class ISyntaxError(IStandardError): pass
class ILookupError(IStandardError): pass
class IValueError(IStandardError): pass
class IRuntimeError(IStandardError): pass
class IArithmeticError(IStandardError): pass
class IAssertionError(IStandardError): pass
class IAttributeError(IStandardError): pass
class IDeprecationWarning(IWarning): pass
class IEOFError(IStandardError): pass
class IEnvironmentError(IStandardError): pass
class IFloatingPointError(IArithmeticError): pass
class IIOError(IEnvironmentError): pass
class IImportError(IStandardError): pass
class IIndentationError(ISyntaxError): pass
class IIndexError(ILookupError): pass
class IKeyError(ILookupError): pass
class IKeyboardInterrupt(IStandardError): pass
class IMemoryError(IStandardError): pass
class INameError(IStandardError): pass
class INotImplementedError(IRuntimeError): pass
class IOSError(IEnvironmentError): pass
class IOverflowError(IArithmeticError): pass
class IOverflowWarning(IWarning): pass
class IReferenceError(IStandardError): pass
class IRuntimeWarning(IWarning): pass
class IStopIteration(IException): pass
class ISyntaxWarning(IWarning): pass
class ISystemError(IStandardError): pass
class ISystemExit(IException): pass
class ITabError(IIndentationError): pass
class ITypeError(IStandardError): pass
class IUnboundLocalError(INameError): pass
class IUnicodeError(IValueError): pass
class IUserWarning(IWarning): pass
class IZeroDivisionError(IArithmeticError): pass
classImplements(ArithmeticError, IArithmeticError)
classImplements(AssertionError, IAssertionError)
classImplements(AttributeError, IAttributeError)
classImplements(DeprecationWarning, IDeprecationWarning)
classImplements(EnvironmentError, IEnvironmentError)
classImplements(EOFError, IEOFError)
classImplements(Exception, IException)
classImplements(FloatingPointError, IFloatingPointError)
classImplements(ImportError, IImportError)
classImplements(IndentationError, IIndentationError)
classImplements(IndexError, IIndexError)
classImplements(IOError, IIOError)
classImplements(KeyboardInterrupt, IKeyboardInterrupt)
classImplements(KeyError, IKeyError)
classImplements(LookupError, ILookupError)
classImplements(MemoryError, IMemoryError)
classImplements(NameError, INameError)
classImplements(NotImplementedError, INotImplementedError)
classImplements(OSError, IOSError)
classImplements(OverflowError, IOverflowError)
try:
classImplements(OverflowWarning, IOverflowWarning)
except NameError: #pragma NO COVER
pass # OverflowWarning was removed in Python 2.5
classImplements(ReferenceError, IReferenceError)
classImplements(RuntimeError, IRuntimeError)
classImplements(RuntimeWarning, IRuntimeWarning)
try:
classImplements(StandardError, IStandardError)
except NameError: #pragma NO COVER
pass # StandardError does not exist in Python 3
classImplements(StopIteration, IStopIteration)
classImplements(SyntaxError, ISyntaxError)
classImplements(SyntaxWarning, ISyntaxWarning)
classImplements(SystemError, ISystemError)
classImplements(SystemExit, ISystemExit)
classImplements(TabError, ITabError)
classImplements(TypeError, ITypeError)
classImplements(UnboundLocalError, IUnboundLocalError)
classImplements(UnicodeError, IUnicodeError)
classImplements(UserWarning, IUserWarning)
classImplements(ValueError, IValueError)
classImplements(Warning, IWarning)
classImplements(ZeroDivisionError, IZeroDivisionError)

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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Mapping Interfaces
"""
from zope.interface import Interface
class IItemMapping(Interface):
"""Simplest readable mapping object
"""
def __getitem__(key):
"""Get a value for a key
A KeyError is raised if there is no value for the key.
"""
class IReadMapping(IItemMapping):
"""Basic mapping interface
"""
def get(key, default=None):
"""Get a value for a key
The default is returned if there is no value for the key.
"""
def __contains__(key):
"""Tell if a key exists in the mapping."""
class IWriteMapping(Interface):
"""Mapping methods for changing data"""
def __delitem__(key):
"""Delete a value from the mapping using the key."""
def __setitem__(key, value):
"""Set a new item in the mapping."""
class IEnumerableMapping(IReadMapping):
"""Mapping objects whose items can be enumerated.
"""
def keys():
"""Return the keys of the mapping object.
"""
def __iter__():
"""Return an iterator for the keys of the mapping object.
"""
def values():
"""Return the values of the mapping object.
"""
def items():
"""Return the items of the mapping object.
"""
def __len__():
"""Return the number of items.
"""
class IMapping(IWriteMapping, IEnumerableMapping):
''' Simple mapping interface '''
class IIterableMapping(IEnumerableMapping):
def iterkeys():
"iterate over keys; equivalent to __iter__"
def itervalues():
"iterate over values"
def iteritems():
"iterate over items"
class IClonableMapping(Interface):
def copy():
"return copy of dict"
class IExtendedReadMapping(IIterableMapping):
def has_key(key):
"""Tell if a key exists in the mapping; equivalent to __contains__"""
class IExtendedWriteMapping(IWriteMapping):
def clear():
"delete all items"
def update(d):
" Update D from E: for k in E.keys(): D[k] = E[k]"
def setdefault(key, default=None):
"D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D"
def pop(k, *args):
"""remove specified key and return the corresponding value
*args may contain a single default value, or may not be supplied.
If key is not found, default is returned if given, otherwise
KeyError is raised"""
def popitem():
"""remove and return some (key, value) pair as a
2-tuple; but raise KeyError if mapping is empty"""
class IFullMapping(
IExtendedReadMapping, IExtendedWriteMapping, IClonableMapping, IMapping):
''' Full mapping interface ''' # IMapping included so tests for IMapping
# succeed with IFullMapping

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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Sequence Interfaces
"""
__docformat__ = 'restructuredtext'
from zope import interface
class IMinimalSequence(interface.Interface):
"""Most basic sequence interface.
All sequences are iterable. This requires at least one of the
following:
- a `__getitem__()` method that takes a single argument; interger
values starting at 0 must be supported, and `IndexError` should
be raised for the first index for which there is no value, or
- an `__iter__()` method that returns an iterator as defined in
the Python documentation (http://docs.python.org/lib/typeiter.html).
"""
def __getitem__(index):
"""`x.__getitem__(index)` <==> `x[index]`
Declaring this interface does not specify whether `__getitem__`
supports slice objects."""
class IFiniteSequence(IMinimalSequence):
def __len__():
"""`x.__len__()` <==> `len(x)`"""
class IReadSequence(IFiniteSequence):
"""read interface shared by tuple and list"""
def __contains__(item):
"""`x.__contains__(item)` <==> `item in x`"""
def __lt__(other):
"""`x.__lt__(other)` <==> `x < other`"""
def __le__(other):
"""`x.__le__(other)` <==> `x <= other`"""
def __eq__(other):
"""`x.__eq__(other)` <==> `x == other`"""
def __ne__(other):
"""`x.__ne__(other)` <==> `x != other`"""
def __gt__(other):
"""`x.__gt__(other)` <==> `x > other`"""
def __ge__(other):
"""`x.__ge__(other)` <==> `x >= other`"""
def __add__(other):
"""`x.__add__(other)` <==> `x + other`"""
def __mul__(n):
"""`x.__mul__(n)` <==> `x * n`"""
def __rmul__(n):
"""`x.__rmul__(n)` <==> `n * x`"""
def __getslice__(i, j):
"""`x.__getslice__(i, j)` <==> `x[i:j]`
Use of negative indices is not supported.
Deprecated since Python 2.0 but still a part of `UserList`.
"""
class IExtendedReadSequence(IReadSequence):
"""Full read interface for lists"""
def count(item):
"""Return number of occurrences of value"""
def index(item, *args):
"""Return first index of value
`L.index(value, [start, [stop]])` -> integer"""
class IUniqueMemberWriteSequence(interface.Interface):
"""The write contract for a sequence that may enforce unique members"""
def __setitem__(index, item):
"""`x.__setitem__(index, item)` <==> `x[index] = item`
Declaring this interface does not specify whether `__setitem__`
supports slice objects.
"""
def __delitem__(index):
"""`x.__delitem__(index)` <==> `del x[index]`
Declaring this interface does not specify whether `__delitem__`
supports slice objects.
"""
def __setslice__(i, j, other):
"""`x.__setslice__(i, j, other)` <==> `x[i:j]=other`
Use of negative indices is not supported.
Deprecated since Python 2.0 but still a part of `UserList`.
"""
def __delslice__(i, j):
"""`x.__delslice__(i, j)` <==> `del x[i:j]`
Use of negative indices is not supported.
Deprecated since Python 2.0 but still a part of `UserList`.
"""
def __iadd__(y):
"""`x.__iadd__(y)` <==> `x += y`"""
def append(item):
"""Append item to end"""
def insert(index, item):
"""Insert item before index"""
def pop(index=-1):
"""Remove and return item at index (default last)"""
def remove(item):
"""Remove first occurrence of value"""
def reverse():
"""Reverse *IN PLACE*"""
def sort(cmpfunc=None):
"""Stable sort *IN PLACE*; `cmpfunc(x, y)` -> -1, 0, 1"""
def extend(iterable):
"""Extend list by appending elements from the iterable"""
class IWriteSequence(IUniqueMemberWriteSequence):
"""Full write contract for sequences"""
def __imul__(n):
"""`x.__imul__(n)` <==> `x *= n`"""
class ISequence(IReadSequence, IWriteSequence):
"""Full sequence contract"""

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zope/interface/common/tests/__init__.py Normal file
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#
# This file is necessary to make this directory a package.

107
zope/interface/common/tests/basemapping.py Normal file
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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Base Mapping tests
"""
from operator import __getitem__
def testIReadMapping(self, inst, state, absent):
for key in state:
self.assertEqual(inst[key], state[key])
self.assertEqual(inst.get(key, None), state[key])
self.failUnless(key in inst)
for key in absent:
self.assertEqual(inst.get(key, None), None)
self.assertEqual(inst.get(key), None)
self.assertEqual(inst.get(key, self), self)
self.assertRaises(KeyError, __getitem__, inst, key)
def test_keys(self, inst, state):
# Return the keys of the mapping object
inst_keys = list(inst.keys()); inst_keys.sort()
state_keys = list(state.keys()) ; state_keys.sort()
self.assertEqual(inst_keys, state_keys)
def test_iter(self, inst, state):
# Return the keys of the mapping object
inst_keys = list(inst); inst_keys.sort()
state_keys = list(state.keys()) ; state_keys.sort()
self.assertEqual(inst_keys, state_keys)
def test_values(self, inst, state):
# Return the values of the mapping object
inst_values = list(inst.values()); inst_values.sort()
state_values = list(state.values()) ; state_values.sort()
self.assertEqual(inst_values, state_values)
def test_items(self, inst, state):
# Return the items of the mapping object
inst_items = list(inst.items()); inst_items.sort()
state_items = list(state.items()) ; state_items.sort()
self.assertEqual(inst_items, state_items)
def test___len__(self, inst, state):
# Return the number of items
self.assertEqual(len(inst), len(state))
def testIEnumerableMapping(self, inst, state):
test_keys(self, inst, state)
test_items(self, inst, state)
test_values(self, inst, state)
test___len__(self, inst, state)
class BaseTestIReadMapping(object):
def testIReadMapping(self):
inst = self._IReadMapping__sample()
state = self._IReadMapping__stateDict()
absent = self._IReadMapping__absentKeys()
testIReadMapping(self, inst, state, absent)
class BaseTestIEnumerableMapping(BaseTestIReadMapping):
# Mapping objects whose items can be enumerated
def test_keys(self):
# Return the keys of the mapping object
inst = self._IEnumerableMapping__sample()
state = self._IEnumerableMapping__stateDict()
test_keys(self, inst, state)
def test_values(self):
# Return the values of the mapping object
inst = self._IEnumerableMapping__sample()
state = self._IEnumerableMapping__stateDict()
test_values(self, inst, state)
def test_items(self):
# Return the items of the mapping object
inst = self._IEnumerableMapping__sample()
state = self._IEnumerableMapping__stateDict()
test_items(self, inst, state)
def test___len__(self):
# Return the number of items
inst = self._IEnumerableMapping__sample()
state = self._IEnumerableMapping__stateDict()
test___len__(self, inst, state)
def _IReadMapping__stateDict(self):
return self._IEnumerableMapping__stateDict()
def _IReadMapping__sample(self):
return self._IEnumerableMapping__sample()
def _IReadMapping__absentKeys(self):
return self._IEnumerableMapping__absentKeys()

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zope/interface/common/tests/test_idatetime.py Normal file
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##############################################################################
#
# Copyright (c) 2003 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Test for datetime interfaces
"""
import unittest
from zope.interface.verify import verifyObject, verifyClass
from zope.interface.common.idatetime import ITimeDelta, ITimeDeltaClass
from zope.interface.common.idatetime import IDate, IDateClass
from zope.interface.common.idatetime import IDateTime, IDateTimeClass
from zope.interface.common.idatetime import ITime, ITimeClass, ITZInfo
from datetime import timedelta, date, datetime, time, tzinfo
class TestDateTimeInterfaces(unittest.TestCase):
def test_interfaces(self):
verifyObject(ITimeDelta, timedelta(minutes=20))
verifyObject(IDate, date(2000, 1, 2))
verifyObject(IDateTime, datetime(2000, 1, 2, 10, 20))
verifyObject(ITime, time(20, 30, 15, 1234))
verifyObject(ITZInfo, tzinfo())
verifyClass(ITimeDeltaClass, timedelta)
verifyClass(IDateClass, date)
verifyClass(IDateTimeClass, datetime)
verifyClass(ITimeClass, time)
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(TestDateTimeInterfaces))
return suite
if __name__ == '__main__':
unittest.main()

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zope/interface/common/tests/test_import_interfaces.py Normal file
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##############################################################################
#
# Copyright (c) 2006 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
import doctest
import unittest
def test_interface_import():
"""
>>> import zope.interface.common.interfaces
"""
def test_suite():
return unittest.TestSuite((
doctest.DocTestSuite(),
))
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')