Implements requirements command as per #4959

pipenv/cli/command.py

@@ -714,17 +714,22 @@ def verify(state):
     context_settings=CONTEXT_SETTINGS,
 )
 @option("--dev", is_flag=True, default=False, help="Also add development requirements.")
+@option("--dev-only", is_flag=True, default=False, help="Only add development requirements.")
+@option("--hash", is_flag=True, default=False, help="Add package hashes.")
 @pass_state
-def requirements(state, dev=False):
+def requirements(state, dev=False, dev_only=False, hash=False):
     lockfile = state.project.lockfile_content
     for i, package_index in enumerate(lockfile['_meta']['sources']):
         prefix = '-i' if i == 0 else '--extra-index-url'
         echo(crayons.normal(' '.join([prefix, package_index['url']])))
-    for req_name, value in lockfile['default'].items():
-        echo(crayons.normal(f"{req_name}{value['version']}"))
-    if dev:
+    if not dev_only:
+        for req_name, value in lockfile['default'].items():
+            hashes = [f' \\\n    --hash={h}' for h in value['hashes'] if hash]
+            echo(crayons.normal(''.join([req_name, value['version'], *hashes])))
+    if dev or dev_only:
         for req_name, value in lockfile['develop'].items():
-            echo(crayons.normal(f"{req_name}{value['version']}"))
+            hashes = [f' \\\n    --hash={h}' for h in value['hashes'] if hash]
+            echo(crayons.normal(''.join([req_name, value['version'], *hashes])))
     sys.exit(0)
 
 

tests/integration/test_requirements.py

@@ -16,16 +16,27 @@ def test_requirements_generates_requirements_from_lockfile(PipenvInstance):
             f.write(contents)
         p.pipenv('lock')
         c = p.pipenv('requirements')
-        d = p.pipenv('requirements --dev')
         assert c.returncode == 0
-        assert d.returncode == 0
-
         assert f'{packages[0]}=={packages[1]}' in c.stdout
         assert f'{dev_packages[0]}=={dev_packages[1]}' not in c.stdout
 
+        d = p.pipenv('requirements --dev')
+        assert d.returncode == 0
         assert f'{packages[0]}=={packages[1]}' in d.stdout
         assert f'{dev_packages[0]}=={dev_packages[1]}' in d.stdout
 
+        e = p.pipenv('requirements --dev-only')
+        assert e.returncode == 0
+        assert f'{packages[0]}=={packages[1]}' not in e.stdout
+        assert f'{dev_packages[0]}=={dev_packages[1]}' in e.stdout
+
+        e = p.pipenv('requirements --hash')
+        assert e.returncode == 0
+        assert f'{packages[0]}=={packages[1]}' in e.stdout
+        for value in p.lockfile['default'].values():
+            for hash in value['hashes']:
+                assert f' --hash={hash}' in e.stdout
+
 
 @pytest.mark.requirements
 def test_requirements_generates_requirements_from_lockfile_multiple_sources(PipenvInstance):
@@ -40,17 +51,18 @@ def test_requirements_generates_requirements_from_lockfile_multiple_sources(Pipe
             verify_ssl = true
             [[source]]
             name = "other_source"
-            url = "https://some_other_source.org"
+            url = "https://https://$USERNAME:${{PASSWORD}}@some_other_source.org"
             verify_ssl = true
             [packages]
             {packages[0]}= "=={packages[1]}"
             [dev-packages]
             {dev_packages[0]}= "=={dev_packages[1]}"
             """.strip()
             f.write(contents)
-        p.pipenv('lock')
+        l = p.pipenv('lock')
+        assert l.returncode == 0
         c = p.pipenv('requirements')
         assert c.returncode == 0
 
         assert '-i https://pypi.org/simple' in c.stdout
-        assert '--extra-index-url https://some_other_source.org' in c.stdout
+        assert '--extra-index-url https://$USERNAME:${PASSWORD}@some_other_source.org' in c.stdout