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Lib/site-packages/pipenv/vendor/passa/actions/upgrade.py

@@ -0,0 +1,52 @@
+# -*- coding=utf-8 -*-
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+import sys
+
+
+def upgrade(project=None, strategy="only-if-needed", sync=True, packages=[]):
+    from passa.models.lockers import EagerUpgradeLocker, PinReuseLocker
+    from passa.operations.lock import lock
+
+    for package in packages:
+        if not project.contains_key_in_pipfile(package):
+            print("{package!r} not found in Pipfile".format(
+                package=package,
+            ), file=sys.stderr)
+            return 2
+
+    project.remove_keys_from_lockfile(packages)
+
+    prev_lockfile = project.lockfile
+
+    if strategy == "eager":
+        locker = EagerUpgradeLocker(project, packages)
+    else:
+        locker = PinReuseLocker(project)
+    success = lock(locker)
+    if not success:
+        return 1
+
+    project._l.write()
+    print("Written to project at", project.root)
+
+    if not sync:
+        return
+
+    from passa.operations.sync import sync
+    from passa.models.synchronizers import Synchronizer
+
+    lockfile_diff = project.difference_lockfile(prev_lockfile)
+    default = bool(any(lockfile_diff.default))
+    develop = bool(any(lockfile_diff.develop))
+
+    syncer = Synchronizer(
+        project, default=default, develop=develop,
+        clean_unneeded=False,
+    )
+    success = sync(syncer)
+    if not success:
+        return 1
+
+    print("Synchronized project at", project.root)