Python permissions windows 7

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Question feed. Stack Overflow works best with JavaScript enabled. Accept all cookies Customize settings. It works fine. When I run it from the command line with a file open and it fails on the permissions when it saves the Test.

The open statement works and prints the contents of the. For some reason it seems related to xlsx files but I have no idea why and why it would work fine in the interpreter. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Python Permissions 2. Asked 3 years, 1 month ago. Active 3 years, 1 month ago. Viewed times. I have this simple bit of code.

Python 3. Workbook 'New. Excel locks this file for writing then. The shebang lines can also specify additional options to be passed to the Python interpreter. For example, if you have a shebang line:. Then Python will be started with the -v option. The same. In some cases, a version qualifier can be included in a command to dictate which version of Python will be used by the command.

For example, a shebang line of! If no such option is found, the launcher will enumerate the installed Python versions and use the latest minor release found for the major version, which is likely, although not guaranteed, to be the most recently installed version in that family.

On bit Windows with both bit and bit implementations of the same major. This will be true for both bit and bit implementations of the launcher - a bit launcher will prefer to execute a bit Python installation of the specified version if available. This is so the behavior of the launcher can be predicted knowing only what versions are installed on the PC and without regard to the order in which they were installed i.

If no relevant options are set, the commands python and python2 will use the latest Python 2. The commands python3. In addition to environment variables, the same settings can be configured in the. INI file used by the launcher. The contents of an environment variable will override things specified in the INI file. While this information manages to be simultaneously verbose and terse, it should allow you to see what versions of Python were located, why a particular version was chosen and the exact command-line used to execute the target Python.

Python usually stores its library and thereby your site-packages folder in the installation directory.

To completely override sys. The file based on the DLL name overrides the one based on the executable, which allows paths to be restricted for any program loading the runtime if desired. When the file exists, all registry and environment variables are ignored, isolated mode is enabled, and site is not imported unless one line in the file specifies import site.

Blank paths and lines starting with are ignored. Each path may be absolute or relative to the location of the file. Import statements other than to site are not permitted, and arbitrary code cannot be specified.

Note that. When no. Subkeys which have semicolon-delimited path strings as their default value will cause each path to be added to sys. If a Python home is found, the relevant sub-directories added to sys. Otherwise, the core Python path is constructed from the PythonPath stored in the registry.

If a pyvenv. When running python. When Python is hosted in another. For those who want to bundle Python into their application or distribution, the following advice will prevent conflicts with other installations:. Include a. This will ignore paths listed in the registry and environment variables, and also ignore site unless import site is listed. If you are loading python3. If you cannot use the previous suggestions for example, you are a distribution that allows people to run python.

These will ensure that the files in a system-wide installation will not take precedence over the copy of the standard library bundled with your application. Otherwise, your users may experience problems using your application.

Note that the first suggestion is the best, as the others may still be susceptible to non-standard paths in the registry and user site-packages.

Adds pythonXX. Modules specified in the registry under Modules not PythonPath may be imported by importlib. This finder is enabled on Windows in 3. Even though Python aims to be portable among all platforms, there are features that are unique to Windows.

A couple of modules, both in the standard library and external, and snippets exist to use these features. This includes utilities for:. It is an embeddable IDE with a built-in debugger.

When you have done this, you can distribute your application without requiring your users to install Python. H , used to create text user interfaces. If you want to compile CPython yourself, first thing you should do is get the source. The source tree contains a build solution and project files for Microsoft Visual Studio , which is the compiler used to build the official Python releases. These files are in the PCbuild directory. With ongoing development of Python, some platforms that used to be supported earlier are no longer supported due to the lack of users or developers.

Check PEP 11 for details on all unsupported platforms. Windows CE is still supported. The Cygwin installer offers to install the Python interpreter as well cf. Cygwin package source , Maintainer releases. See Python for Windows for detailed information about platforms with pre-compiled installers. Navigation index modules next previous Python ». In this case: You may be required to provide administrative credentials or approval Python will be installed into the Program Files directory The Python Launcher for Windows will be installed into the Windows directory Optional features may be selected during installation The standard library can be pre-compiled to bytecode If selected, the install directory will be added to the system PATH Shortcuts are available for all users.

After changing the above option, no further configuration is required. This will override most other options. Warning Python will always be available for free on the Microsoft Store. Note The embedded distribution does not include the Microsoft C Runtime and it is the responsibility of the application installer to provide this.

The following is a list of popular versions and their key features: ActivePython Installer with multi-platform compatibility, documentation, PyWin32 Anaconda Popular scientific modules such as numpy, scipy and pandas and the conda package manager. WinPython Windows-specific distribution with prebuilt scientific packages and tools for building packages. For example, if you have a shebang line:! Examples: If no relevant options are set, the commands python and python2 will use the latest Python 2.

The end result of all this is: When running python. For those who want to bundle Python into their application or distribution, the following advice will prevent conflicts with other installations: Include a. Deprecated since version 3. See also Win32 How Do I…? Cygwin package source , Maintainer releases See Python for Windows for detailed information about platforms with pre-compiled installers. Table of Contents 4.

Using Python on Windows 4. The full installer 4. Installation steps 4. Installing Without UI 4. Installing Without Downloading 4. Modifying an install 4.

The Microsoft Store package 4. Known Issues 4. The embeddable package 4. Python Application 4. Embedding Python 4.

Alternative bundles 4. Configuring Python 4. Excursus: Setting environment variables 4. Finding the Python executable 4. UTF-8 mode 4. Python Launcher for Windows 4. Getting started 4.