Add the ability to add complete dependencies in one go

docs/docs/cli.md

@@ -186,6 +186,7 @@ You also can specify a constraint when adding a package, like so:
 
 ```bash
 poetry add pendulum@^2.0.5
+poetry add "pendulum>=2.0.5"
 ```
 
 If you try to add a package that is already present, you will get an error.
@@ -224,11 +225,20 @@ It means that changes in the local directory will be reflected directly in envir
 
 If you don't want the dependency to be installed in editable mode you can specify it in the `pyproject.toml` file:
 
-```
+```toml
 [tool.poetry.dependencies]
 my-package = {path = "../my/path", develop = false}
 ```
 
+If the package(s) you want to install provide extras, you can specify them
+when adding the package:
+
+```bash
+poetry add requests[security,socks]
+poetry add "requests[security,socks]~=2.22.0"
+poetry add "git+https://github.com/pallets/flask.git@1.1.1[dotenv,dev]"
+```
+
 ### Options
 
 * `--dev (-D)`: Add package as development dependency.

poetry/console/commands/init.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+import os
 import re
 
 from typing import Dict
@@ -10,7 +11,6 @@
 
 from cleo import option
 from tomlkit import inline_table
-from tomlkit import table
 
 from poetry.utils._compat import Path
 from poetry.utils._compat import OrderedDict
@@ -336,6 +336,13 @@ def _parse_requirements(
             cwd = Path.cwd()
 
         for requirement in requirements:
+            requirement = requirement.strip()
+            extras = []
+            extras_m = re.search(r"\[([\w\d,-_]+)\]$", requirement)
+            if extras_m:
+                extras = [e.strip() for e in extras_m.group(1).split(",")]
+                requirement, _ = requirement.split("[")
+
             if requirement.startswith(("git+https://", "git+ssh://")):
                 url = requirement.lstrip("git+")
                 rev = None
@@ -348,14 +355,19 @@ def _parse_requirements(
                 if rev:
                     pair["rev"] = rev
 
+                if extras:
+                    pair["extras"] = extras
+
                 package = Provider.get_package_from_vcs(
                     "git", url, reference=pair.get("rev")
                 )
                 pair["name"] = package.name
                 result.append(pair)
 
                 continue
-            elif cwd.joinpath(requirement).exists():
+            elif (os.path.sep in requirement or "/" in requirement) and cwd.joinpath(
+                requirement
+            ).exists():
                 path = cwd.joinpath(requirement)
                 if path.is_file():
                     package = Provider.get_package_from_file(path.resolve())
@@ -368,19 +380,47 @@ def _parse_requirements(
                             ("name", package.name),
                             ("path", path.relative_to(cwd).as_posix()),
                         ]
+                        + ([("extras", extras)] if extras else [])
                     )
                 )
 
                 continue
 
-            pair = re.sub("^([^=: ]+)[@=: ](.*)$", "\\1 \\2", requirement.strip())
+            pair = re.sub(
+                "^([^@=: ]+)(?:@|==|(?<![<>~!])=|:| )(.*)$", "\\1 \\2", requirement
+            )
             pair = pair.strip()
 
+            require = OrderedDict()
             if " " in pair:
                 name, version = pair.split(" ", 2)
-                result.append({"name": name, "version": version})
+                require["name"] = name
+                require["version"] = version
             else:
-                result.append({"name": pair})
+                m = re.match(
+                    "^([^><=!: ]+)((?:>=|<=|>|<|!=|~=|~|\^).*)$", requirement.strip()
+                )
+                if m:
+                    name, constraint = m.group(1), m.group(2)
+                    extras_m = re.search(r"\[([\w\d,-_]+)\]$", name)
+                    if extras_m:
+                        extras = [e.strip() for e in extras_m.group(1).split(",")]
+                        name, _ = name.split("[")
+
+                    require["name"] = name
+                    require["version"] = constraint
+                else:
+                    extras_m = re.search(r"\[([\w\d,-_]+)\]$", pair)
+                    if extras_m:
+                        extras = [e.strip() for e in extras_m.group(1).split(",")]
+                        pair, _ = pair.split("[")
+
+                    require["name"] = pair
+
+            if extras:
+                require["extras"] = extras
+
+            result.append(require)
 
         return result
 

tests/console/commands/test_add.py

@@ -42,14 +42,14 @@ def test_add_no_constraint(app, repo, installer):
     assert content["dependencies"]["cachy"] == "^0.2.0"
 
 
-def test_add_constraint(app, repo, installer):
+def test_add_equal_constraint(app, repo, installer):
     command = app.find("add")
     tester = CommandTester(command)
 
     repo.add_package(get_package("cachy", "0.1.0"))
     repo.add_package(get_package("cachy", "0.2.0"))
 
-    tester.execute("cachy=0.1.0")
+    tester.execute("cachy==0.1.0")
 
     expected = """\
 
@@ -69,6 +69,67 @@ def test_add_constraint(app, repo, installer):
     assert len(installer.installs) == 1
 
 
+def test_add_greater_constraint(app, repo, installer):
+    command = app.find("add")
+    tester = CommandTester(command)
+
+    repo.add_package(get_package("cachy", "0.1.0"))
+    repo.add_package(get_package("cachy", "0.2.0"))
+
+    tester.execute("cachy>=0.1.0")
+
+    expected = """\
+
+Updating dependencies
+Resolving dependencies...
+
+Writing lock file
+
+
+Package operations: 1 install, 0 updates, 0 removals
+
+  - Installing cachy (0.2.0)
+"""
+
+    assert expected == tester.io.fetch_output()
+
+    assert len(installer.installs) == 1
+
+
+def test_add_constraint_with_extras(app, repo, installer):
+    command = app.find("add")
+    tester = CommandTester(command)
+
+    cachy1 = get_package("cachy", "0.1.0")
+    cachy1.extras = {"msgpack": [get_dependency("msgpack-python")]}
+    msgpack_dep = get_dependency("msgpack-python", ">=0.5 <0.6", optional=True)
+    cachy1.requires = [msgpack_dep]
+
+    repo.add_package(get_package("cachy", "0.2.0"))
+    repo.add_package(cachy1)
+    repo.add_package(get_package("msgpack-python", "0.5.3"))
+
+    tester.execute("cachy[msgpack]^0.1.0")
+
+    expected = """\
+
+Updating dependencies
+Resolving dependencies...
+
+Writing lock file
+
+
+Package operations: 2 installs, 0 updates, 0 removals
+
+  - Installing msgpack-python (0.5.3)
+  - Installing cachy (0.1.0)
+"""
+
+    assert expected == tester.io.fetch_output()
+
+    assert len(installer.installs) == 2
+
+
 def test_add_constraint_dependencies(app, repo, installer):
     command = app.find("add")
     tester = CommandTester(command)
@@ -164,6 +225,45 @@ def test_add_git_constraint_with_poetry(app, repo, installer):
     assert len(installer.installs) == 2
 
 
+def test_add_git_constraint_with_extras(app, repo, installer):
+    command = app.find("add")
+    tester = CommandTester(command)
+
+    repo.add_package(get_package("pendulum", "1.4.4"))
+    repo.add_package(get_package("cleo", "0.6.5"))
+    repo.add_package(get_package("tomlkit", "0.5.5"))
+
+    tester.execute("git+https://github.com/demo/demo.git[foo,bar]")
+
+    expected = """\
+
+Updating dependencies
+Resolving dependencies...
+
+Writing lock file
+
+
+Package operations: 4 installs, 0 updates, 0 removals
+
+  - Installing cleo (0.6.5)
+  - Installing pendulum (1.4.4)
+  - Installing tomlkit (0.5.5)
+  - Installing demo (0.1.2 9cf87a2)
+"""
+
+    assert expected == tester.io.fetch_output()
+
+    assert len(installer.installs) == 4
+
+    content = app.poetry.file.read()["tool"]["poetry"]
+
+    assert "demo" in content["dependencies"]
+    assert content["dependencies"]["demo"] == {
+        "git": "https://github.com/demo/demo.git",
+        "extras": ["foo", "bar"],
+    }
+
+
 def test_add_directory_constraint(app, repo, installer, mocker):
     p = mocker.patch("poetry.utils._compat.Path.cwd")
     p.return_value = Path(__file__) / ".."
@@ -304,7 +404,7 @@ def test_add_file_constraint_sdist(app, repo, installer, mocker):
     }
 
 
-def test_add_constraint_with_extras(app, repo, installer):
+def test_add_constraint_with_extras_option(app, repo, installer):
     command = app.find("add")
     tester = CommandTester(command)