FM / _vendor

/usr/lib/python3.8/site-packages/pip/_vendor/

/usr/lib/python3.8/site-packages/pip/_vendor

Name	Size	Mode	Actions
cachecontrol/	-	0755	rm
certifi/	-	0755	rm
chardet/	-	0755	rm
colorama/	-	0755	rm
distlib/	-	0755	rm
html5lib/	-	0755	rm
idna/	-	0755	rm
msgpack/	-	0755	rm
packaging/	-	0755	rm
pep517/	-	0755	rm
pkg_resources/	-	0755	rm
progress/	-	0755	rm
pytoml/	-	0755	rm
requests/	-	0755	rm
urllib3/	-	0755	rm
webencodings/	-	0755	rm
__pycache__/	-	0755	rm
appdirs.py	24547	0644	edit dl rm
contextlib2.py	16915	0644	edit dl rm
distro.py	43251	0644	edit dl rm
ipaddress.py	79852	0644	edit dl rm
pyparsing.py	263468	0644	edit dl rm
retrying.py	9972	0644	edit dl rm
six.py	32452	0644	edit dl rm
__init__.py	4657	0644	edit dl rm

Edit: /usr/lib/python3.8/site-packages/pip/_vendor/retrying.py (9972B)

## Copyright 2013-2014 Ray Holder
##
## Licensed under the Apache License, Version 2.0 (the "License");
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.

import random
from pip._vendor import six
import sys
import time
import traceback

# sys.maxint / 2, since Python 3.2 doesn't have a sys.maxint...
MAX_WAIT = 1073741823

def retry(*dargs, **dkw):
    """
    Decorator function that instantiates the Retrying object
    @param *dargs: positional arguments passed to Retrying object
    @param **dkw: keyword arguments passed to the Retrying object
    """
    # support both @retry and @retry() as valid syntax
    if len(dargs) == 1 and callable(dargs[0]):
        def wrap_simple(f):

@six.wraps(f)
            def wrapped_f(*args, **kw):
                return Retrying().call(f, *args, **kw)

return wrapped_f

return wrap_simple(dargs[0])

else:
        def wrap(f):

@six.wraps(f)
            def wrapped_f(*args, **kw):
                return Retrying(*dargs, **dkw).call(f, *args, **kw)

return wrapped_f

return wrap

class Retrying(object):

def __init__(self,
                 stop=None, wait=None,
                 stop_max_attempt_number=None,
                 stop_max_delay=None,
                 wait_fixed=None,
                 wait_random_min=None, wait_random_max=None,
                 wait_incrementing_start=None, wait_incrementing_increment=None,
                 wait_exponential_multiplier=None, wait_exponential_max=None,
                 retry_on_exception=None,
                 retry_on_result=None,
                 wrap_exception=False,
                 stop_func=None,
                 wait_func=None,
                 wait_jitter_max=None):

self._stop_max_attempt_number = 5 if stop_max_attempt_number is None else stop_max_attempt_number
        self._stop_max_delay = 100 if stop_max_delay is None else stop_max_delay
        self._wait_fixed = 1000 if wait_fixed is None else wait_fixed
        self._wait_random_min = 0 if wait_random_min is None else wait_random_min
        self._wait_random_max = 1000 if wait_random_max is None else wait_random_max
        self._wait_incrementing_start = 0 if wait_incrementing_start is None else wait_incrementing_start
        self._wait_incrementing_increment = 100 if wait_incrementing_increment is None else wait_incrementing_increment
        self._wait_exponential_multiplier = 1 if wait_exponential_multiplier is None else wait_exponential_multiplier
        self._wait_exponential_max = MAX_WAIT if wait_exponential_max is None else wait_exponential_max
        self._wait_jitter_max = 0 if wait_jitter_max is None else wait_jitter_max

# TODO add chaining of stop behaviors
        # stop behavior
        stop_funcs = []
        if stop_max_attempt_number is not None:
            stop_funcs.append(self.stop_after_attempt)

if stop_max_delay is not None:
            stop_funcs.append(self.stop_after_delay)

if stop_func is not None:
            self.stop = stop_func

elif stop is None:
            self.stop = lambda attempts, delay: any(f(attempts, delay) for f in stop_funcs)

else:
            self.stop = getattr(self, stop)

# TODO add chaining of wait behaviors
        # wait behavior
        wait_funcs = [lambda *args, **kwargs: 0]
        if wait_fixed is not None:
            wait_funcs.append(self.fixed_sleep)

if wait_random_min is not None or wait_random_max is not None:
            wait_funcs.append(self.random_sleep)

if wait_incrementing_start is not None or wait_incrementing_increment is not None:
            wait_funcs.append(self.incrementing_sleep)

if wait_exponential_multiplier is not None or wait_exponential_max is not None:
            wait_funcs.append(self.exponential_sleep)

if wait_func is not None:
            self.wait = wait_func

elif wait is None:
            self.wait = lambda attempts, delay: max(f(attempts, delay) for f in wait_funcs)

else:
            self.wait = getattr(self, wait)

# retry on exception filter
        if retry_on_exception is None:
            self._retry_on_exception = self.always_reject
        else:
            self._retry_on_exception = retry_on_exception

# TODO simplify retrying by Exception types
        # retry on result filter
        if retry_on_result is None:
            self._retry_on_result = self.never_reject
        else:
            self._retry_on_result = retry_on_result

self._wrap_exception = wrap_exception

def stop_after_attempt(self, previous_attempt_number, delay_since_first_attempt_ms):
        """Stop after the previous attempt >= stop_max_attempt_number."""
        return previous_attempt_number >= self._stop_max_attempt_number

def stop_after_delay(self, previous_attempt_number, delay_since_first_attempt_ms):
        """Stop after the time from the first attempt >= stop_max_delay."""
        return delay_since_first_attempt_ms >= self._stop_max_delay

def no_sleep(self, previous_attempt_number, delay_since_first_attempt_ms):
        """Don't sleep at all before retrying."""
        return 0

def fixed_sleep(self, previous_attempt_number, delay_since_first_attempt_ms):
        """Sleep a fixed amount of time between each retry."""
        return self._wait_fixed

def random_sleep(self, previous_attempt_number, delay_since_first_attempt_ms):
        """Sleep a random amount of time between wait_random_min and wait_random_max"""
        return random.randint(self._wait_random_min, self._wait_random_max)

def incrementing_sleep(self, previous_attempt_number, delay_since_first_attempt_ms):
        """
        Sleep an incremental amount of time after each attempt, starting at
        wait_incrementing_start and incrementing by wait_incrementing_increment
        """
        result = self._wait_incrementing_start + (self._wait_incrementing_increment * (previous_attempt_number - 1))
        if result < 0:
            result = 0
        return result

def exponential_sleep(self, previous_attempt_number, delay_since_first_attempt_ms):
        exp = 2 ** previous_attempt_number
        result = self._wait_exponential_multiplier * exp
        if result > self._wait_exponential_max:
            result = self._wait_exponential_max
        if result < 0:
            result = 0
        return result

def never_reject(self, result):
        return False

def always_reject(self, result):
        return True

def should_reject(self, attempt):
        reject = False
        if attempt.has_exception:
            reject |= self._retry_on_exception(attempt.value[1])
        else:
            reject |= self._retry_on_result(attempt.value)

return reject

def call(self, fn, *args, **kwargs):
        start_time = int(round(time.time() * 1000))
        attempt_number = 1
        while True:
            try:
                attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
            except:
                tb = sys.exc_info()
                attempt = Attempt(tb, attempt_number, True)

if not self.should_reject(attempt):
                return attempt.get(self._wrap_exception)

delay_since_first_attempt_ms = int(round(time.time() * 1000)) - start_time
            if self.stop(attempt_number, delay_since_first_attempt_ms):
                if not self._wrap_exception and attempt.has_exception:
                    # get() on an attempt with an exception should cause it to be raised, but raise just in case
                    raise attempt.get()
                else:
                    raise RetryError(attempt)
            else:
                sleep = self.wait(attempt_number, delay_since_first_attempt_ms)
                if self._wait_jitter_max:
                    jitter = random.random() * self._wait_jitter_max
                    sleep = sleep + max(0, jitter)
                time.sleep(sleep / 1000.0)

attempt_number += 1

class Attempt(object):
    """
    An Attempt encapsulates a call to a target function that may end as a
    normal return value from the function or an Exception depending on what
    occurred during the execution.
    """

def __init__(self, value, attempt_number, has_exception):
        self.value = value
        self.attempt_number = attempt_number
        self.has_exception = has_exception

def get(self, wrap_exception=False):
        """
        Return the return value of this Attempt instance or raise an Exception.
        If wrap_exception is true, this Attempt is wrapped inside of a
        RetryError before being raised.
        """
        if self.has_exception:
            if wrap_exception:
                raise RetryError(self)
            else:
                six.reraise(self.value[0], self.value[1], self.value[2])
        else:
            return self.value

def __repr__(self):
        if self.has_exception:
            return "Attempts: {0}, Error:\n{1}".format(self.attempt_number, "".join(traceback.format_tb(self.value[2])))
        else:
            return "Attempts: {0}, Value: {1}".format(self.attempt_number, self.value)

class RetryError(Exception):
    """
    A RetryError encapsulates the last Attempt instance right before giving up.
    """

def __init__(self, last_attempt):
        self.last_attempt = last_attempt

def __str__(self):
        return "RetryError[{0}]".format(self.last_attempt)

cmd: