Only require typing-extensions if Python < 3.8 (#1873)

diff --git a/Pipfile b/Pipfile
index 9a4d5bd7c1b3fb09934dcc3b766073511c3baf05..32fb867415f3253bbaeb6a2221e57e75edab5b54 100644 (file)
--- a/Pipfile
+++ b/Pipfile
@@ -29,6 +29,6 @@ pathspec = ">=0.6"
 regex = ">=2020.1.8"
 toml = ">=0.10.1"
 typed-ast = "==1.4.2"
 regex = ">=2020.1.8"
 toml = ">=0.10.1"
 typed-ast = "==1.4.2"

-typing_extensions = ">=3.7.4"
+typing_extensions = {"python_version <" = "3.8","version >=" = "3.7.4"}

 black = {editable = true,extras = ["d"],path = "."}
 dataclasses = {"python_version <" = "3.7","version >" = "0.6"}
 black = {editable = true,extras = ["d"],path = "."}
 dataclasses = {"python_version <" = "3.7","version >" = "0.6"}

diff --git a/Pipfile.lock b/Pipfile.lock
index dd78a3c317887261e20f01ae0d4148ec5be42b67..91fd3a49556db994b5b9f52bd06a059f3954fa06 100644 (file)
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
 {
     "_meta": {
         "hash": {

-            "sha256": "3c4e23d0b6e49bac5ff2347dcb07bb4dd084d39b78c93a32359842dda401e7bf"
+            "sha256": "1b075e0e344dad54944ed4474351c3f311accb67cbea2e0c381da3700b71f415"

         },
         "pipfile-spec": 6,
         "requires": {},
         },
         "pipfile-spec": 6,
         "requires": {},


@@ -300,7 +300,9 @@
                 "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
             ],
             "index": "pypi",
                 "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
             ],
             "index": "pypi",

-            "version": "==3.7.4.3"
+            "python_version <": "3.8",
+            "version": "==3.7.4.3",
+            "version >=": "3.7.4"

         },
         "yarl": {
             "hashes": [
         },
         "yarl": {
             "hashes": [


@@ -459,6 +461,47 @@
             ],
             "version": "==2020.12.5"
         },
             ],
             "version": "==2020.12.5"
         },

+        "cffi": {
+            "hashes": [
+                "sha256:00a1ba5e2e95684448de9b89888ccd02c98d512064b4cb987d48f4b40aa0421e",
+                "sha256:00e28066507bfc3fe865a31f325c8391a1ac2916219340f87dfad602c3e48e5d",
+                "sha256:045d792900a75e8b1e1b0ab6787dd733a8190ffcf80e8c8ceb2fb10a29ff238a",
+                "sha256:0638c3ae1a0edfb77c6765d487fee624d2b1ee1bdfeffc1f0b58c64d149e7eec",
+                "sha256:105abaf8a6075dc96c1fe5ae7aae073f4696f2905fde6aeada4c9d2926752362",
+                "sha256:155136b51fd733fa94e1c2ea5211dcd4c8879869008fc811648f16541bf99668",
+                "sha256:1a465cbe98a7fd391d47dce4b8f7e5b921e6cd805ef421d04f5f66ba8f06086c",
+                "sha256:1d2c4994f515e5b485fd6d3a73d05526aa0fcf248eb135996b088d25dfa1865b",
+                "sha256:2c24d61263f511551f740d1a065eb0212db1dbbbbd241db758f5244281590c06",
+                "sha256:51a8b381b16ddd370178a65360ebe15fbc1c71cf6f584613a7ea08bfad946698",
+                "sha256:594234691ac0e9b770aee9fcdb8fa02c22e43e5c619456efd0d6c2bf276f3eb2",
+                "sha256:5cf4be6c304ad0b6602f5c4e90e2f59b47653ac1ed9c662ed379fe48a8f26b0c",
+                "sha256:64081b3f8f6f3c3de6191ec89d7dc6c86a8a43911f7ecb422c60e90c70be41c7",
+                "sha256:6bc25fc545a6b3d57b5f8618e59fc13d3a3a68431e8ca5fd4c13241cd70d0009",
+                "sha256:798caa2a2384b1cbe8a2a139d80734c9db54f9cc155c99d7cc92441a23871c03",
+                "sha256:7c6b1dece89874d9541fc974917b631406233ea0440d0bdfbb8e03bf39a49b3b",
+                "sha256:840793c68105fe031f34d6a086eaea153a0cd5c491cde82a74b420edd0a2b909",
+                "sha256:8d6603078baf4e11edc4168a514c5ce5b3ba6e3e9c374298cb88437957960a53",
+                "sha256:9cc46bc107224ff5b6d04369e7c595acb700c3613ad7bcf2e2012f62ece80c35",
+                "sha256:9f7a31251289b2ab6d4012f6e83e58bc3b96bd151f5b5262467f4bb6b34a7c26",
+                "sha256:9ffb888f19d54a4d4dfd4b3f29bc2c16aa4972f1c2ab9c4ab09b8ab8685b9c2b",
+                "sha256:a5ed8c05548b54b998b9498753fb9cadbfd92ee88e884641377d8a8b291bcc01",
+                "sha256:a7711edca4dcef1a75257b50a2fbfe92a65187c47dab5a0f1b9b332c5919a3fb",
+                "sha256:af5c59122a011049aad5dd87424b8e65a80e4a6477419c0c1015f73fb5ea0293",
+                "sha256:b18e0a9ef57d2b41f5c68beefa32317d286c3d6ac0484efd10d6e07491bb95dd",
+                "sha256:b4e248d1087abf9f4c10f3c398896c87ce82a9856494a7155823eb45a892395d",
+                "sha256:ba4e9e0ae13fc41c6b23299545e5ef73055213e466bd107953e4a013a5ddd7e3",
+                "sha256:c6332685306b6417a91b1ff9fae889b3ba65c2292d64bd9245c093b1b284809d",
+                "sha256:d5ff0621c88ce83a28a10d2ce719b2ee85635e85c515f12bac99a95306da4b2e",
+                "sha256:d9efd8b7a3ef378dd61a1e77367f1924375befc2eba06168b6ebfa903a5e59ca",
+                "sha256:df5169c4396adc04f9b0a05f13c074df878b6052430e03f50e68adf3a57aa28d",
+                "sha256:ebb253464a5d0482b191274f1c8bf00e33f7e0b9c66405fbffc61ed2c839c775",
+                "sha256:ec80dc47f54e6e9a78181ce05feb71a0353854cc26999db963695f950b5fb375",
+                "sha256:f032b34669220030f905152045dfa27741ce1a6db3324a5bc0b96b6c7420c87b",
+                "sha256:f60567825f791c6f8a592f3c6e3bd93dd2934e3f9dac189308426bd76b00ef3b",
+                "sha256:f803eaa94c2fcda012c047e62bc7a51b0bdabda1cad7a92a522694ea2d76e49f"
+            ],
+            "version": "==1.14.4"
+        },

         "cfgv": {
             "hashes": [
                 "sha256:32e43d604bbe7896fe7c248a9c2276447dbef840feb28fe20494f62af110211d",
         "cfgv": {
             "hashes": [
                 "sha256:32e43d604bbe7896fe7c248a9c2276447dbef840feb28fe20494f62af110211d",


@@ -552,6 +595,26 @@
             "index": "pypi",
             "version": "==5.3.1"
         },
             "index": "pypi",
             "version": "==5.3.1"
         },

+        "cryptography": {
+            "hashes": [
+                "sha256:0003a52a123602e1acee177dc90dd201f9bb1e73f24a070db7d36c588e8f5c7d",
+                "sha256:0e85aaae861d0485eb5a79d33226dd6248d2a9f133b81532c8f5aae37de10ff7",
+                "sha256:594a1db4511bc4d960571536abe21b4e5c3003e8750ab8365fafce71c5d86901",
+                "sha256:69e836c9e5ff4373ce6d3ab311c1a2eed274793083858d3cd4c7d12ce20d5f9c",
+                "sha256:788a3c9942df5e4371c199d10383f44a105d67d401fb4304178020142f020244",
+                "sha256:7e177e4bea2de937a584b13645cab32f25e3d96fc0bc4a4cf99c27dc77682be6",
+                "sha256:83d9d2dfec70364a74f4e7c70ad04d3ca2e6a08b703606993407bf46b97868c5",
+                "sha256:84ef7a0c10c24a7773163f917f1cb6b4444597efd505a8aed0a22e8c4780f27e",
+                "sha256:9e21301f7a1e7c03dbea73e8602905a4ebba641547a462b26dd03451e5769e7c",
+                "sha256:9f6b0492d111b43de5f70052e24c1f0951cb9e6022188ebcb1cc3a3d301469b0",
+                "sha256:a69bd3c68b98298f490e84519b954335154917eaab52cf582fa2c5c7efc6e812",
+                "sha256:b4890d5fb9b7a23e3bf8abf5a8a7da8e228f1e97dc96b30b95685df840b6914a",
+                "sha256:c366df0401d1ec4e548bebe8f91d55ebcc0ec3137900d214dd7aac8427ef3030",
+                "sha256:dc42f645f8f3a489c3dd416730a514e7a91a59510ddaadc09d04224c098d3302"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
+            "version": "==3.3.1"
+        },

         "distlib": {
             "hashes": [
                 "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb",
         "distlib": {
             "hashes": [
                 "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb",


@@ -615,6 +678,14 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.2.0"
         },
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.2.0"
         },

+        "jeepney": {
+            "hashes": [
+                "sha256:7d59b6622675ca9e993a6bd38de845051d315f8b0c72cca3aef733a20b648657",
+                "sha256:aec56c0eb1691a841795111e184e13cad504f7703b9a64f63020816afa79a8ae"
+            ],
+            "markers": "sys_platform == 'linux'",
+            "version": "==0.6.0"
+        },

         "jinja2": {
             "hashes": [
                 "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
         "jinja2": {
             "hashes": [
                 "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",


@@ -794,6 +865,14 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.6.0"
         },
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.6.0"
         },

+        "pycparser": {
+            "hashes": [
+                "sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0",
+                "sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.20"
+        },

         "pyflakes": {
             "hashes": [
                 "sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92",
         "pyflakes": {
             "hashes": [
                 "sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92",


@@ -928,6 +1007,14 @@
             ],
             "version": "==1.4.0"
         },
             ],
             "version": "==1.4.0"
         },

+        "secretstorage": {
+            "hashes": [
+                "sha256:30cfdef28829dad64d6ea1ed08f8eff6aa115a77068926bcc9f5225d5a3246aa",
+                "sha256:5c36f6537a523ec5f969ef9fad61c98eb9e017bc601d811e53aa25bece64892f"
+            ],
+            "markers": "sys_platform == 'linux'",
+            "version": "==3.3.0"
+        },

         "setuptools-scm": {
             "hashes": [
                 "sha256:1fc4e25df445351d172bb4788f4d07f9e9ce0e8b7dee6b19584e46110172ca13",
         "setuptools-scm": {
             "hashes": [
                 "sha256:1fc4e25df445351d172bb4788f4d07f9e9ce0e8b7dee6b19584e46110172ca13",


@@ -1080,7 +1167,9 @@
                 "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
             ],
             "index": "pypi",
                 "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
             ],
             "index": "pypi",

-            "version": "==3.7.4.3"
+            "python_version <": "3.8",
+            "version": "==3.7.4.3",
+            "version >=": "3.7.4"

         },
         "urllib3": {
             "hashes": [
         },
         "urllib3": {
             "hashes": [

diff --git a/setup.py b/setup.py
index c97dd35fe28609378358d6ae5a4ff6033e4788cc..48160568265abd20402e7f6fd58b72710903fa2e 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ setup(
         "regex>=2020.1.8",
         "pathspec>=0.6, <1",
         "dataclasses>=0.6; python_version < '3.7'",
         "regex>=2020.1.8",
         "pathspec>=0.6, <1",
         "dataclasses>=0.6; python_version < '3.7'",

-        "typing_extensions>=3.7.4",
+        "typing_extensions>=3.7.4; python_version < '3.8'",

         "mypy_extensions>=0.4.3",
     ],
     extras_require={
         "mypy_extensions>=0.4.3",
     ],
     extras_require={

diff --git a/src/black/__init__.py b/src/black/__init__.py
index c7c5d724a9fd0d9744c7de45f25a0b33acbd250a..9b9903c66458f1ac1583fcc369e1fd65c5ff7838 100644 (file)
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -42,7 +42,6 @@ from typing import (
     cast,
     TYPE_CHECKING,
 )
     cast,
     TYPE_CHECKING,
 )

-from typing_extensions import Final

 from mypy_extensions import mypyc_attr
 
 from appdirs import user_cache_dir
 from mypy_extensions import mypyc_attr
 
 from appdirs import user_cache_dir


@@ -61,6 +60,11 @@ from blib2to3.pgen2.parse import ParseError
 
 from _black_version import version as __version__
 
 
 from _black_version import version as __version__
 

+if sys.version_info < (3, 8):
+    from typing_extensions import Final
+else:
+    from typing import Final
+

 if TYPE_CHECKING:
     import colorama  # noqa: F401
 
 if TYPE_CHECKING:
     import colorama  # noqa: F401
 

diff --git a/src/blib2to3/pgen2/token.py b/src/blib2to3/pgen2/token.py
index 5870d47a61af532210aebba1b6e61424caea881c..1e0dec9c714d9c5cf518e863e1087761f77a5253 100644 (file)
--- a/src/blib2to3/pgen2/token.py
+++ b/src/blib2to3/pgen2/token.py
@@ -1,7 +1,12 @@
 """Token constants (from "token.h")."""
 
 """Token constants (from "token.h")."""
 

+import sys

 from typing import Dict
 from typing import Dict

-from typing_extensions import Final
+
+if sys.version_info < (3, 8):
+    from typing_extensions import Final
+else:
+    from typing import Final

 
 #  Taken from Python (r53757) and modified to include some tokens
 #   originally monkeypatched in by pgen2.tokenize
 
 #  Taken from Python (r53757) and modified to include some tokens
 #   originally monkeypatched in by pgen2.tokenize