python3 fixes

pipenv/_pipfile/api.py

@@ -1,11 +1,13 @@
 import toml
 
+import codecs
 import json
 import hashlib
 import platform
 import sys
 import os
 
+
 def format_full_version(info):
     version = '{0.major}.{0.minor}.{0.micro}'.format(info)
     kind = info.releaselevel
@@ -128,12 +130,12 @@ class Pipfile(object):
     @property
     def hash(self):
         """Returns the SHA256 of the pipfile."""
-        return hashlib.sha256(self.contents).hexdigest()
+        return hashlib.sha256(self.contents.encode('utf-8')).hexdigest()
 
     @property
     def contents(self):
         """Returns the contents of the pipfile."""
-        with open(self.filename, 'r') as f:
+        with codecs.open(self.filename, 'r', 'utf-8') as f:
             return f.read()
 
     def freeze(self):
@@ -172,7 +174,7 @@ class Pipfile(object):
         }
 
         # Assert each specified requirement.
-        for marker, specifier in self.data['_meta']['requires'].iteritems():
+        for marker, specifier in self.data['_meta']['requires'].items():
 
             if marker in lookup:
                 try:

pipenv/cli.py

@@ -297,7 +297,8 @@ def install(package_name=False, dev=False, system=False):
     try:
         assert c.return_code == 0
     except AssertionError:
-        click.echo('{1} An error occured while installing {1}'.format(crayons.red('Error: '), crayons.green(package_name)))
+        click.echo('{0} An error occured while installing {1}'.format(crayons.red('Error: '), crayons.green(package_name)))
+        click.echo(crayons.blue(c.err))
         sys.exit(1)
 
     if dev:
@@ -322,7 +323,7 @@ def uninstall(package_name=False, system=False):
         do_purge(allow_global=system)
         sys.exit(1)
 
-    click.echo('Un-installing {1}...'.format(crayons.green(package_name)))
+    click.echo('Un-installing {0}...'.format(crayons.green(package_name)))
 
     c = delegator.run('{0} uninstall {1} -y'.format(which_pip(allow_global=system), package_name))
     click.echo(crayons.blue(c.out))

pipenv/project.py

@@ -81,7 +81,7 @@ class Project(object):
                 p[key] = {}
 
             package = convert_deps_from_pip(package_name)
-            package_name = package.keys()[0]
+            package_name = [k for k in package.keys()][0]
 
             # Add the package to the group.
             p[key][package_name] = package[package_name]