black

get-pipenv.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-
 # Note, this script is based off of https://bootstrap.pypa.io/get-pip.py
 #
 # Hi There!
@@ -21,9 +20,7 @@
 # If you're wondering how this is created, it is using an invoke task located
 # in tasks/generate.py called "installer". It can be invoked by using
 # ``invoke generate.installer``.
-
 # Note, this get-pip.py installer is modified to meet pipenv's needs.
-
 import os.path
 import pkgutil
 import shutil
@@ -34,30 +31,32 @@
 # Useful for very coarse version differentiation.
 PY2 = sys.version_info[0] == 2
 PY3 = sys.version_info[0] == 3
-
 if PY3:
     iterbytes = iter
 else:
+
     def iterbytes(buf):
         return (ord(byte) for byte in buf)
 
+
 try:
     from base64 import b85decode
 except ImportError:
-    _b85alphabet = (b"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                    b"abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~")
+    _b85alphabet = (
+        b"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        b"abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~"
+    )
 
     def b85decode(b):
         _b85dec = [None] * 256
         for i, c in enumerate(iterbytes(_b85alphabet)):
             _b85dec[c] = i
-
-        padding = (-len(b)) % 5
+        padding = (- len(b)) % 5
         b = b + b'~' * padding
         out = []
         packI = struct.Struct('!I').pack
         for i in range(0, len(b), 5):
-            chunk = b[i:i + 5]
+            chunk = b[i: i + 5]
             acc = 0
             try:
                 for c in iterbytes(chunk):
@@ -68,12 +67,13 @@ def b85decode(b):
                         raise ValueError(
                             'bad base85 character at position %d' % (i + j)
                         )
+
                 raise
+
             try:
                 out.append(packI(acc))
             except struct.error:
-                raise ValueError('base85 overflow in hunk starting at byte %d'
-                                 % i)
+                raise ValueError('base85 overflow in hunk starting at byte %d' % i)
 
         result = b''.join(out)
         if padding:
@@ -87,8 +87,10 @@ def bootstrap(tmpdir=None):
     from pip.commands.install import InstallCommand
     from pip.req import InstallRequirement
 
+
     # Wrapper to provide default certificate with the lowest priority
     class CertInstallCommand(InstallCommand):
+
         def parse_args(self, args):
             # If cert isn't specified in config or environment, we provide our
             # own certificate through defaults.
@@ -99,38 +101,35 @@ def parse_args(self, args):
             return super(CertInstallCommand, self).parse_args(args)
 
     pip.commands_dict["install"] = CertInstallCommand
-
     implicit_pip = True
     implicit_setuptools = True
     implicit_wheel = True
-
     # Check if the user has requested us not to install setuptools
     if "--no-setuptools" in sys.argv or os.environ.get("PIP_NO_SETUPTOOLS"):
         args = [x for x in sys.argv[1:] if x != "--no-setuptools"]
         implicit_setuptools = False
     else:
         args = sys.argv[1:]
-
     # Check if the user has requested us not to install wheel
     if "--no-wheel" in args or os.environ.get("PIP_NO_WHEEL"):
         args = [x for x in args if x != "--no-wheel"]
         implicit_wheel = False
-
     # We only want to implicitly install setuptools and wheel if they don't
     # already exist on the target platform.
     if implicit_setuptools:
         try:
             import setuptools  # noqa
+
             implicit_setuptools = False
         except ImportError:
             pass
     if implicit_wheel:
         try:
             import wheel  # noqa
+
             implicit_wheel = False
         except ImportError:
             pass
-
     # We want to support people passing things like 'pip<8' to get-pip.py which
     # will let them install a specific version. However because of the dreaded
     # DoubleRequirement error if any of the args look like they might be a
@@ -148,32 +147,27 @@ def parse_args(self, args):
             implicit_setuptools = False
         elif implicit_wheel and req.name == "wheel":
             implicit_wheel = False
-
     # Add any implicit installations to the end of our args
     if implicit_pip:
         args += ["pip"]
     if implicit_setuptools:
         args += ["setuptools"]
     if implicit_wheel:
         args += ["wheel"]
-
     # Pipenv modifications here.
     args += ["pipenv"]
-
     delete_tmpdir = False
     try:
         # Create a temporary directory to act as a working directory if we were
         # not given one.
         if tmpdir is None:
             tmpdir = tempfile.mkdtemp()
             delete_tmpdir = True
-
         # We need to extract the SSL certificates from requests so that they
         # can be passed to --cert
         cert_path = os.path.join(tmpdir, "cacert.pem")
         with open(cert_path, "wb") as cert:
             cert.write(pkgutil.get_data("pip._vendor.requests", "cacert.pem"))
-
         # Execute the included pip and use it to install the latest pip and
         # setuptools from PyPI
         sys.exit(pip.main(["install", "--upgrade"] + args))
@@ -188,15 +182,12 @@ def main():
     try:
         # Create a temporary working directory
         tmpdir = tempfile.mkdtemp()
-
         # Unpack the zipfile into the temporary directory
         pip_zip = os.path.join(tmpdir, "pip.zip")
         with open(pip_zip, "wb") as fp:
             fp.write(b85decode(DATA.replace(b"\n", b"")))
-
         # Add the zipfile to sys.path so that we can import it
         sys.path.insert(0, pip_zip)
-
         # Run the bootstrap
         bootstrap(tmpdir=tmpdir)
     finally:
@@ -20062,7 +20053,5 @@ def main():
 PHp0u%!j0000806LatN$y5^m0m3X0LEPa02%-Q00000000000HlEirV;>fX>ct$E-)@JE@WwQbS-IaW
 ^XT2MMF<gL{Liw1^@s60RI600O3&p0G!hj0000
 """
-
-
 if __name__ == "__main__":
-    main()
+    main()