Replace relative imports by absolute ones in a few packages

src/sage/arith/all.py

@@ -1,35 +1,96 @@
 from sage.misc.lazy_import import lazy_import
 
-from .misc import (algdep, bernoulli, is_prime, is_prime_power,
-    is_pseudoprime, is_pseudoprime_power,
-    prime_powers, primes_first_n, eratosthenes, primes,
-    next_prime_power, next_probable_prime, next_prime,
-    previous_prime, previous_prime_power, random_prime,
-    divisors, sigma, gcd, GCD, xlcm, xgcd, xkcd,
-    inverse_mod, get_gcd, get_inverse_mod, power_mod,
-    rational_reconstruction, mqrr_rational_reconstruction,
-    trial_division, factor, prime_divisors, odd_part, prime_to_m_part,
-    is_square, is_squarefree, euler_phi, carmichael_lambda, crt, CRT,
-    CRT_list, CRT_basis, CRT_vectors, multinomial, multinomial_coefficients,
-    binomial, factorial, kronecker_symbol, kronecker, legendre_symbol,
-    primitive_root, nth_prime, quadratic_residues, moebius,
-    continuant, number_of_divisors, hilbert_symbol, hilbert_conductor,
-    hilbert_conductor_inverse, falling_factorial, rising_factorial,
-    integer_ceil, integer_floor,
-    two_squares, three_squares, four_squares, sum_of_k_squares,
-    subfactorial, is_power_of_two, differences,
+from sage.arith.misc import (
+    algdep,
+    bernoulli,
+    is_prime,
+    is_prime_power,
+    is_pseudoprime,
+    is_pseudoprime_power,
+    prime_powers,
+    primes_first_n,
+    eratosthenes,
+    primes,
+    next_prime_power,
+    next_probable_prime,
+    next_prime,
+    previous_prime,
+    previous_prime_power,
+    random_prime,
+    divisors,
+    sigma,
+    gcd,
+    GCD,
+    xlcm,
+    xgcd,
+    xkcd,
+    inverse_mod,
+    get_gcd,
+    get_inverse_mod,
+    power_mod,
+    rational_reconstruction,
+    mqrr_rational_reconstruction,
+    trial_division,
+    factor,
+    prime_divisors,
+    odd_part,
+    prime_to_m_part,
+    is_square,
+    is_squarefree,
+    euler_phi,
+    carmichael_lambda,
+    crt,
+    CRT,
+    CRT_list,
+    CRT_basis,
+    CRT_vectors,
+    multinomial,
+    multinomial_coefficients,
+    binomial,
+    factorial,
+    kronecker_symbol,
+    kronecker,
+    legendre_symbol,
+    primitive_root,
+    nth_prime,
+    quadratic_residues,
+    moebius,
+    continuant,
+    number_of_divisors,
+    hilbert_symbol,
+    hilbert_conductor,
+    hilbert_conductor_inverse,
+    falling_factorial,
+    rising_factorial,
+    integer_ceil,
+    integer_floor,
+    two_squares,
+    three_squares,
+    four_squares,
+    sum_of_k_squares,
+    subfactorial,
+    is_power_of_two,
+    differences,
     sort_complex_numbers_for_display,
-    fundamental_discriminant, squarefree_divisors,
-    radical, binomial_coefficients, jacobi_symbol,
+    fundamental_discriminant,
+    squarefree_divisors,
+    radical,
+    binomial_coefficients,
+    jacobi_symbol,
     dedekind_sum,
-    prime_factors, prime_range, valuation)
+    prime_factors,
+    prime_range,
+    valuation,
+)
 
-lazy_import('sage.arith.misc', ('Sigma', 'Moebius', 'Euler_Phi'), deprecation=30322)
+lazy_import("sage.arith.misc", ("Sigma", "Moebius", "Euler_Phi"), deprecation=30322)
+
+from sage.arith.functions import lcm
 
-from .functions import lcm
 LCM = lcm
 
-from .srange import xsrange, srange, ellipsis_iter, ellipsis_range
+from sage.arith.srange import xsrange, srange, ellipsis_iter, ellipsis_range
+
 sxrange = xsrange
 
 σ = sigma

src/sage/arith/power.pyx

@@ -17,7 +17,7 @@ square-and-multiply algorithm.
 
 from cysignals.signals cimport sig_check
 
-from .long cimport integer_check_long
+from sage.arith.long cimport integer_check_long
 
 
 cpdef generic_power(a, n) noexcept:

src/sage/cpython/all.py

@@ -1,2 +1,2 @@
-from .debug import getattr_debug, type_debug
-from .getattr import raw_getattr
+from sage.cpython.debug import getattr_debug, type_debug
+from sage.cpython.getattr import raw_getattr

src/sage/cpython/debug.pyx

@@ -21,7 +21,7 @@ cdef extern from "Python.h":
 cdef extern from "sage/cpython/debugimpl.c":
     void _type_debug(PyTypeObject*)
 
-from .getattr cimport AttributeErrorMessage
+from sage.cpython.getattr cimport AttributeErrorMessage
 
 
 # Determine subtype_traverse, subtype_clear, subtype_dealloc functions

src/sage/data_structures/all.py

@@ -1,2 +1,2 @@
 
-from .bitset import Bitset, FrozenBitset
+from sage.data_structures.bitset import Bitset, FrozenBitset

src/sage/data_structures/bitset.pxd

@@ -7,7 +7,7 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 
-from .bitset_base cimport bitset_t
+from sage.data_structures.bitset_base cimport bitset_t
 
 # Python layer over bitset_t
 cdef class FrozenBitset:

src/sage/data_structures/bitset.pyx

@@ -31,7 +31,7 @@ linear in ``capacity``.
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 
-from .bitset_base cimport *
+from sage.data_structures.bitset_base cimport *
 from cpython.object cimport Py_LT, Py_LE, Py_EQ, Py_NE, Py_GT, Py_GE
 
 

src/sage/misc/all.py

@@ -1,11 +1,11 @@
-from .lazy_attribute import lazy_attribute, lazy_class_attribute
-from .lazy_import import lazy_import
+from sage.misc.lazy_attribute import lazy_attribute, lazy_class_attribute
+from sage.misc.lazy_import import lazy_import
 
-from .all__sagemath_objects import *
-from .all__sagemath_environment import *
-from .all__sagemath_repl import *
+from sage.misc.all__sagemath_objects import *
+from sage.misc.all__sagemath_environment import *
+from sage.misc.all__sagemath_repl import *
 
-from .misc import (BackslashOperator,
+from sage.misc.misc import (BackslashOperator,
                   exists, forall, is_iterator,
                   random_sublist,
                   pad_zeros,
@@ -15,27 +15,27 @@
 lazy_import('sage.misc.misc', 'union',
             deprecation=32096)
 
-from .banner import version
+from sage.misc.banner import version
 
-from .dev_tools import import_statements
+from sage.misc.dev_tools import import_statements
 
-from .html import html, pretty_print_default
+from sage.misc.html import html, pretty_print_default
 
-from .table import table
+from sage.misc.table import table
 
-from .sage_timeit_class import timeit
+from sage.misc.sage_timeit_class import timeit
 
-from .edit_module import edit
+from sage.misc.edit_module import edit
 
-from .map_threaded import map_threaded
+from sage.misc.map_threaded import map_threaded
 
-from .session import load_session, save_session, show_identifiers
+from sage.misc.session import load_session, save_session, show_identifiers
 
-from .remote_file import get_remote_file
+from sage.misc.remote_file import get_remote_file
 
-from .mrange import xmrange, mrange, xmrange_iter, mrange_iter, cartesian_product_iterator
+from sage.misc.mrange import xmrange, mrange, xmrange_iter, mrange_iter, cartesian_product_iterator
 
-from .fpickle import pickle_function, unpickle_function
+from sage.misc.fpickle import pickle_function, unpickle_function
 
 lazy_import('sage.misc.pager', 'pager')
 
@@ -45,21 +45,21 @@
         'constructions', 'help'])
 lazy_import('pydoc', 'help', 'python_help')
 
-from .classgraph import class_graph
+from sage.misc.classgraph import class_graph
 
-from .reset import reset, restore
+from sage.misc.reset import reset, restore
 
-from .mathml import mathml
+from sage.misc.mathml import mathml
 
-from .defaults import (set_default_variable_name,
+from sage.misc.defaults import (set_default_variable_name,
                        series_precision, set_series_precision)
 
 lazy_import("sage.misc.cython", "cython_lambda")
 lazy_import("sage.misc.cython", "cython_compile", "cython")
 
-from .func_persist import func_persist
+from sage.misc.func_persist import func_persist
 
-from .functional import (additive_order,
+from sage.misc.functional import (additive_order,
                         base_ring,
                         base_field,
                         basis,
@@ -118,15 +118,15 @@
                         transpose)
 
 
-from .latex import LatexExpr, latex, view
+from sage.misc.latex import LatexExpr, latex, view
 
-from .randstate import seed, set_random_seed, initial_seed, current_randstate
+from sage.misc.randstate import seed, set_random_seed, initial_seed, current_randstate
 
-from .prandom import *
+from sage.misc.prandom import *
 
-from .timing import walltime, cputime
+from sage.misc.timing import walltime, cputime
 
-from .explain_pickle import explain_pickle, unpickle_newobj, unpickle_global, unpickle_build, unpickle_instantiate, unpickle_persistent, unpickle_extension, unpickle_appends
+from sage.misc.explain_pickle import explain_pickle, unpickle_newobj, unpickle_global, unpickle_build, unpickle_instantiate, unpickle_persistent, unpickle_extension, unpickle_appends
 
 lazy_import('sage.misc.inline_fortran', 'fortran')
 

src/sage/misc/all__sagemath_environment.py

@@ -1 +1 @@
-from .temporary_file import tmp_dir, tmp_filename
+from sage.misc.temporary_file import tmp_dir, tmp_filename

src/sage/misc/all__sagemath_objects.py

@@ -2,35 +2,35 @@
 
 import sage.structure.all   # to break a cyclic import
 
-from .lazy_attribute import lazy_attribute, lazy_class_attribute
-from .lazy_import import lazy_import
+from sage.misc.lazy_attribute import lazy_attribute, lazy_class_attribute
+from sage.misc.lazy_import import lazy_import
 
-from .verbose import (set_verbose, set_verbose_files,
+from sage.misc.verbose import (set_verbose, set_verbose_files,
                       get_verbose_files, unset_verbose_files, get_verbose)
 lazy_import('sage.misc.verbose', 'verbose',
             deprecation=17815)
-from .call import attrcall
+from sage.misc.call import attrcall
 
-from .misc_c import prod, running_total, balanced_sum
+from sage.misc.misc_c import prod, running_total, balanced_sum
 mul = prod
 add = sum
 
-from .repr import repr_lincomb
+from sage.misc.repr import repr_lincomb
 
-from .flatten import flatten
+from sage.misc.flatten import flatten
 
-from .persist import save, load, dumps, loads, db, db_save
+from sage.misc.persist import save, load, dumps, loads, db, db_save
 
-from .constant_function import ConstantFunction
+from sage.misc.constant_function import ConstantFunction
 
-from .sage_unittest import TestSuite
+from sage.misc.sage_unittest import TestSuite
 
-from .decorators import specialize, sage_wraps, infix_operator
+from sage.misc.decorators import specialize, sage_wraps, infix_operator
 
-from .unknown import Unknown, UnknownError
+from sage.misc.unknown import Unknown, UnknownError
 
-from .cachefunc import CachedFunction, cached_function, cached_method, cached_in_parent_method, disk_cached_function
+from sage.misc.cachefunc import CachedFunction, cached_function, cached_method, cached_in_parent_method, disk_cached_function
 
-from .abstract_method import abstract_method
+from sage.misc.abstract_method import abstract_method
 
-from .timing import walltime, cputime
+from sage.misc.timing import walltime, cputime

src/sage/misc/all__sagemath_repl.py

@@ -1,3 +1,3 @@
-from .sage_eval import sage_eval, sageobj
+from sage.misc.sage_eval import sage_eval, sageobj
 
-from .sage_input import sage_input
+from sage.misc.sage_input import sage_input

src/sage/misc/benchmark.py

@@ -1,6 +1,6 @@
 "Benchmarks"
 
-from .misc import cputime
+from sage.misc.misc import cputime
 
 from sage.all import *
 

src/sage/misc/copying.py

@@ -1,7 +1,7 @@
 "License"
 
 import os
-from . import pager
+from sage.misc import pager
 
 from sage.env import SAGE_ROOT
 

src/sage/misc/cython.py

@@ -27,7 +27,7 @@
 
 from sage.env import (SAGE_LOCAL, cython_aliases,
                       sage_include_directories)
-from .temporary_file import spyx_tmp, tmp_filename
+from sage.misc.temporary_file import spyx_tmp, tmp_filename
 from sage.repl.user_globals import get_globals
 from sage.misc.sage_ostools import restore_cwd, redirection
 from sage.cpython.string import str_to_bytes

src/sage/misc/func_persist.py

@@ -43,7 +43,7 @@ def bern(n):
 import inspect
 import os
 
-from . import persist
+from sage.misc import persist
 
 class func_persist:
     r"""

src/sage/misc/lazy_import_cache.py

@@ -6,7 +6,7 @@
 import os
 import hashlib
 
-from ..env import SAGE_LIB, DOT_SAGE
+from sage.env import SAGE_LIB, DOT_SAGE
 
 
 def get_cache_file():

src/sage/misc/misc.py

@@ -45,7 +45,7 @@
 import sys
 import warnings
 
-from .lazy_string import lazy_string
+from sage.misc.lazy_string import lazy_string
 from sage.env import DOT_SAGE, HOSTNAME
 from sage.misc.lazy_import import lazy_import
 

src/sage/misc/sagedoc.py

@@ -45,8 +45,8 @@
 import sys
 import pydoc
 from sage.misc.temporary_file import tmp_dir
-from .viewer import browser
-from . import sageinspect
+from sage.misc.viewer import browser
+from sage.misc import sageinspect
 import sage.version
 from sage.env import SAGE_DOC, SAGE_SRC