[Issue-46] remove redundant to-requirements.txt installation to the file

aliases/base.py

@@ -22,7 +22,7 @@ def run_setup(package_name: str, directory: str = '.'):
         packages=find_packages(directory),
         # Start with a small number and increase it with
         # every change you make https://semver.org
-        version='2.0.6',
+        version='2.0.7',
         # Chose a license from here: https: //
         # help.github.com / articles / licensing - a -
         # repository. For example: MIT

requirements_txt/commands/init/service.py

@@ -45,12 +45,16 @@ def init_virtual_env(verbose: bool = False):
     logger.info(" Done.\n")
 
     logger.info("Installing to-requirements.txt to virtual environment...")
-    subprocess.call(
-        [f"{venv_path}/bin/pip", "install", "to-requirements.txt"],
-        stdout=stdout,
-        stderr=stderr,
-    )
-    logger.info(" Done.\n")
+    if not os.path.exists(f"{venv_path}/bin/requirements-txt"):
+        subprocess.call(
+            [f"{venv_path}/bin/pip", "install", "to-requirements.txt"],
+            stdout=stdout,
+            stderr=stderr,
+        )
+        logger.info(" Done.\n")
+    else:
+        logger.info(" Skip.\n")
+
     logger.info("Setting up to-requirements.txt...")
     install_for_venv()
     logger.info(" Done.\n")

tests/integrationtests/test_pip.py

@@ -1,4 +1,3 @@
-import re
 import sys
 import tempfile
 import os
@@ -22,7 +21,6 @@ def virtual_environment():
 
 
 def init_rt():
-    subprocess.run(['./venv/bin/pip', 'install', CURRENT_DIR])
     subprocess.run(['./venv/bin/rt', 'i'])
 
 
@@ -45,20 +43,17 @@ def is_importable(module_name: str):
 class TestPIP:
     def test_package_installation(self):
         with virtual_environment() as path:
-            init_rt()
             install_package('appdata==2.2.1')
             requirements_txt_path = os.path.join(path, 'requirements.txt')
             with open(requirements_txt_path, 'r') as requirements_file:
                 requirements = [x.strip() for x in requirements_file.readlines()]
 
-            assert len(requirements) == 3
-            assert re.compile('to-requirements\.txt==.*').fullmatch(requirements[0])
-            assert requirements[1] == 'appdata==2.2.1'
+            assert len(requirements) == 1
+            assert requirements[0] == 'appdata==2.2.1'
             assert is_importable('appdata')
 
     def test_local_package_installation(self):
         with virtual_environment() as path:
-            init_rt()
             path_to_local_package = os.path.join(
                 os.path.dirname(__file__),
                 'test_package',
@@ -67,41 +62,48 @@ def test_local_package_installation(self):
             requirements_txt_path = os.path.join(path, 'requirements.txt')
             with open(requirements_txt_path, 'r') as requirements_file:
                 requirements = [x.strip() for x in requirements_file.readlines()]
-            assert len(requirements) == 3
-            assert re.compile('to-requirements\.txt==.*').fullmatch(requirements[0])
-            assert requirements[2] == path_to_local_package
+            assert len(requirements) == 1
+            assert requirements[0] == path_to_local_package
             assert is_importable('test_package')
 
     def test_git_package_installation(self):
         with virtual_environment() as path:
-            init_rt()
             package_name = "git+https://github.com/VoIlAlex/appdata.git"
             install_package(package_name)
             requirements_txt_path = os.path.join(path, 'requirements.txt')
             with open(requirements_txt_path, 'r') as requirements_file:
                 requirements = [x.strip() for x in requirements_file.readlines()]
 
-            assert len(requirements) == 3
-            assert re.compile('to-requirements\.txt==.*').fullmatch(requirements[0])
-            assert requirements[1] == package_name
+            assert len(requirements) == 1
+            assert requirements[0] == package_name
             assert is_importable('appdata')
 
-    def test_package_uninstallation(self):
+    def test_double_init(self):
         with virtual_environment() as path:
+            requirements_txt_path = os.path.join(path, 'requirements.txt')
+            with open(requirements_txt_path, 'r') as requirements_file:
+                requirements = [x.strip() for x in requirements_file.readlines()]
+            assert len(requirements) == 0
+
             init_rt()
+            with open(requirements_txt_path, 'r') as requirements_file:
+                requirements = [x.strip() for x in requirements_file.readlines()]
+            assert len(requirements) == 0
+
+    def test_package_uninstallation(self):
+        with virtual_environment() as path:
             install_package('appdata==2.2.1')
             requirements_txt_path = os.path.join(path, 'requirements.txt')
             with open(requirements_txt_path, 'r') as requirements_file:
                 requirements = [x.strip() for x in requirements_file.readlines()]
 
-            assert len(requirements) == 3
-            assert re.compile('to-requirements\.txt==.*').fullmatch(requirements[0])
-            assert requirements[1] == 'appdata==2.2.1'
+            assert len(requirements) == 1
+            assert requirements[0] == 'appdata==2.2.1'
             assert is_importable('appdata')
 
             uninstall_package('appdata')
             with open(requirements_txt_path, 'r') as requirements_file:
                 requirements = [x.strip() for x in requirements_file.readlines()]
 
-            assert len(requirements) == 2
+            assert len(requirements) == 0
             assert not is_importable('appdata')