Add support for file dependencies in the add command

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - Added the `cache:clear` command.
 - Added support for `git` dependencies in the `add` command.
+- Added support for `file` dependencies in the `add` command.
 
 ### Changed
 

poetry/console/commands/add.py

@@ -14,6 +14,7 @@ class AddCommand(VenvCommand):
         { name* : Packages to add. }
         { --D|dev : Add package as development dependency. }
         { --git= : The url of the Git repository. }
+        { --path= : The path to a dependency. }
         { --optional : Add as an optional dependency. }
         { --allow-prereleases : Accept prereleases. }
         { --dry-run : Outputs the operations but will not execute anything
@@ -36,9 +37,15 @@ If you do not specify a version constraint, poetry will choose a suitable one ba
         packages = self.argument('name')
         is_dev = self.option('dev')
 
-        if self.option('git') and len(packages) > 1:
+        if (self.option('git') or self.option('path')) and len(packages) > 1:
             raise ValueError(
-                'You can only specify one package when using the --git option'
+                'You can only specify one package '
+                'when using the --git or --path options'
+            )
+
+        if self.option('git') and self.option('path'):
+            raise RuntimeError(
+                '--git and --path cannot be used at the same time'
             )
 
         section = 'dependencies'
@@ -56,7 +63,7 @@ If you do not specify a version constraint, poetry will choose a suitable one ba
                         'Package {} is already present'.format(name)
                     )
 
-        if self.option('git'):
+        if self.option('git') or self.option('path'):
             requirements = {
                 packages[0]: ''
             }
@@ -81,6 +88,10 @@ If you do not specify a version constraint, poetry will choose a suitable one ba
                 del constraint['version']
 
                 constraint['git'] = self.option('git')
+            elif self.option('path'):
+                del constraint['version']
+
+                constraint['path'] = self.option('path')
 
             if self.option('optional'):
                 constraint['optional'] = True

poetry/packages/file_dependency.py

@@ -74,7 +74,7 @@ class FileDependency(Dependency):
 
     def hash(self):
         h = hashlib.sha256()
-        with self._path.open('rb') as fp:
+        with self._full_path.open('rb') as fp:
             for content in iter(lambda: fp.read(io.DEFAULT_BUFFER_SIZE), b''):
                 h.update(content)
 

tests/console/commands/test_add.py

@@ -177,3 +177,79 @@ Writing lock file
     assert tester.get_display() == expected
 
     assert len(installer.installs) == 2
+
+
+def test_add_file_constraint_wheel(app, repo, installer):
+    command = app.find('add')
+    tester = CommandTester(command)
+
+    repo.add_package(get_package('pendulum', '1.4.4'))
+
+    tester.execute([
+        ('command', command.get_name()),
+        ('name', ['demo']),
+        ('--path', '../distributions/demo-0.1.0-py2.py3-none-any.whl')
+    ])
+
+    expected = """\
+
+Updating dependencies
+Resolving dependencies
+
+
+Package operations: 2 installs, 0 updates, 0 removals
+
+Writing lock file
+
+  - Installing pendulum (1.4.4)
+  - Installing demo (0.1.0)
+"""
+
+    assert tester.get_display() == expected
+
+    assert len(installer.installs) == 2
+
+    content = app.poetry.file.read(raw=True)['tool']['poetry']
+
+    assert 'demo' in content['dependencies']
+    assert content['dependencies']['demo'] == {
+        'path': '../distributions/demo-0.1.0-py2.py3-none-any.whl'
+    }
+
+
+def test_add_file_constraint_sdist(app, repo, installer):
+    command = app.find('add')
+    tester = CommandTester(command)
+
+    repo.add_package(get_package('pendulum', '1.4.4'))
+
+    tester.execute([
+        ('command', command.get_name()),
+        ('name', ['demo']),
+        ('--path', '../distributions/demo-0.1.0.tar.gz')
+    ])
+
+    expected = """\
+
+Updating dependencies
+Resolving dependencies
+
+
+Package operations: 2 installs, 0 updates, 0 removals
+
+Writing lock file
+
+  - Installing pendulum (1.4.4)
+  - Installing demo (0.1.0)
+"""
+
+    assert tester.get_display() == expected
+
+    assert len(installer.installs) == 2
+
+    content = app.poetry.file.read(raw=True)['tool']['poetry']
+
+    assert 'demo' in content['dependencies']
+    assert content['dependencies']['demo'] == {
+        'path': '../distributions/demo-0.1.0.tar.gz'
+    }