mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-01 00:43:37 +00:00
0d9fbc1ad7
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer. Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer. Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk! Enjoy!
185 lines
4.3 KiB
Python
185 lines
4.3 KiB
Python
"""
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Compatibility constants and functions. This module works on Python 1.5 to 2.5.
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This module provides:
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- True and False constants ;
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- any() and all() function ;
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- has_yield and has_slice values ;
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- isinstance() with Python 2.3 behaviour ;
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- reversed() and sorted() function.
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True and False constants
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========================
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Truth constants: True is yes (one) and False is no (zero).
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>>> int(True), int(False) # int value
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(1, 0)
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>>> int(False | True) # and binary operator
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1
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>>> int(True & False) # or binary operator
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0
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>>> int(not(True) == False) # not binary operator
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1
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Warning: on Python smaller than 2.3, True and False are aliases to
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number 1 and 0. So "print True" will displays 1 and not True.
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any() function
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==============
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any() returns True if at least one items is True, or False otherwise.
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>>> any([False, True])
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True
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>>> any([True, True])
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True
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>>> any([False, False])
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False
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all() function
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==============
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all() returns True if all items are True, or False otherwise.
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This function is just apply binary and operator (&) on all values.
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>>> all([True, True])
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True
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>>> all([False, True])
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False
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>>> all([False, False])
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False
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has_yield boolean
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=================
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has_yield: boolean which indicatese if the interpreter supports yield keyword.
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yield keyworkd is available since Python 2.0.
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has_yield boolean
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=================
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has_slice: boolean which indicates if the interpreter supports slices with step
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argument or not. slice with step is available since Python 2.3.
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reversed() and sorted() function
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================================
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reversed() and sorted() function has been introduced in Python 2.4.
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It's should returns a generator, but this module it may be a list.
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>>> data = list("cab")
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>>> list(sorted(data))
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['a', 'b', 'c']
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>>> list(reversed("abc"))
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['c', 'b', 'a']
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"""
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import copy
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import operator
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# --- True and False constants from Python 2.0 ---
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# --- Warning: for Python < 2.3, they are aliases for 1 and 0 ---
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try:
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True = True
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False = False
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except NameError:
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True = 1
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False = 0
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# --- any() from Python 2.5 ---
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try:
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from __builtin__ import any
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except ImportError:
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def any(items):
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for item in items:
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if item:
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return True
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return False
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# ---all() from Python 2.5 ---
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try:
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from __builtin__ import all
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except ImportError:
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def all(items):
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return reduce(operator.__and__, items)
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# --- test if interpreter supports yield keyword ---
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try:
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eval(compile("""
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from __future__ import generators
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def gen():
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yield 1
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yield 2
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if list(gen()) != [1, 2]:
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raise KeyError("42")
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""", "<string>", "exec"))
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except (KeyError, SyntaxError):
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has_yield = False
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else:
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has_yield = True
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# --- test if interpreter supports slices (with step argument) ---
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try:
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has_slice = eval('"abc"[::-1] == "cba"')
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except (TypeError, SyntaxError):
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has_slice = False
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# --- isinstance with isinstance Python 2.3 behaviour (arg 2 is a type) ---
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try:
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if isinstance(1, int):
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from __builtin__ import isinstance
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except TypeError:
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print "Redef isinstance"
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def isinstance20(a, typea):
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if type(typea) != type(type):
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raise TypeError("TypeError: isinstance() arg 2 must be a class, type, or tuple of classes and types")
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return type(typea) != typea
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isinstance = isinstance20
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# --- reversed() from Python 2.4 ---
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try:
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from __builtin__ import reversed
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except ImportError:
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# if hasYield() == "ok":
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# code = """
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#def reversed(data):
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# for index in xrange(len(data)-1, -1, -1):
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# yield data[index];
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#reversed"""
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# reversed = eval(compile(code, "<string>", "exec"))
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if has_slice:
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def reversed(data):
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if not isinstance(data, list):
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data = list(data)
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return data[::-1]
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else:
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def reversed(data):
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if not isinstance(data, list):
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data = list(data)
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reversed_data = []
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for index in xrange(len(data)-1, -1, -1):
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reversed_data.append(data[index])
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return reversed_data
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# --- sorted() from Python 2.4 ---
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try:
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from __builtin__ import sorted
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except ImportError:
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def sorted(data):
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sorted_data = copy.copy(data)
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sorted_data.sort()
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return sorted
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__all__ = ("True", "False",
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"any", "all", "has_yield", "has_slice",
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"isinstance", "reversed", "sorted")
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