entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/014c3606db54f6c90edc9e471724e9f3.png|imageAlt|1|https://ask.qcloudimg.com/http-save/actteam/63b5987f1cd7c8651519afe0d5d8f9f2.png|2|https://ask.qcloudimg.com/http-save/actteam/6b921871efd66332656fb8fc68cfa5c7.png|3|https://ask.qcloudimg.com/http-save/actteam/9bc09e933725d0ce8fc07894b5473eaa.png|blocks|key|5qi60|text|我不能确定你犯了什么错误，但是，这是正确重命名文件的方法：|unstyled|depth|inlineStyleRanges|entityRanges|eb3li|​|50v0k|?|atomic|offset|length|egjgq|qgv5|8l37r|如果以上操作失败，请尝试以下操作，否则这是需要上报的bug：|7dhel|7fcs1|4kkn7^0|0|0|0|1|0|0|0|1|1|0|0|1|2|0|0|0|1|3|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]|A|$2|3|4|5|6|$7|B|9|-4]]|C|$2|3|4|5|6|$7|D|9|-4]]|E|$2|3|4|5|6|$7|F|9|-4]]]|G|@$H|I|J|K|2|L|M|13|N|@]|O|@]|6|$]]|$H|P|J|Q|2|L|M|14|N|@]|O|@]|6|$]]|$H|R|J|S|2|T|M|15|N|@]|O|@$U|16|V|17|H|18]]|6|$]]|$H|W|J|S|2|T|M|19|N|@]|O|@$U|1A|V|1B|H|1C]]|6|$]]|$H|X|J|S|2|T|M|1D|N|@]|O|@$U|1E|V|1F|H|1G]]|6|$]]|$H|Y|J|Z|2|L|M|1H|N|@]|O|@]|6|$]]|$H|10|J|S|2|T|M|1I|N|@]|O|@$U|1J|V|1K|H|1L]]|6|$]]|$H|11|J|-4|2|L|M|1M|N|@]|O|@]|6|$]]|$H|12|J|Q|2|L|M|1N|N|@]|O|@]|6|$]]]]

I cannot say for sure what mistake you've made, however, this is the way to properly rename a file:

<img src="https://i.stack.imgur.com/NpsiP.png" alt="enter image description here">
<img src="https://i.stack.imgur.com/Hmzbn.png" alt="enter image description here">
<img src="https://i.stack.imgur.com/7LlB3.png" alt="enter image description here">

If the above fails for whatever reason, try the following, otherwise this is bug that you need to report:

<img src="https://i.stack.imgur.com/iKLlP.png" alt="enter image description here">

entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://stackoverflow.com/questions/65700794/webstorm-file-association-system-does-not-recognize-a-file|blocks|key|am828|text|设置(Mac上的首选项)%7C编辑器%7C文件类型%7C文本|unstyled|depth|inlineStyleRanges|entityRanges|948f2|检查模式(底部列表)+--你一定有过testTreeGen|offset|length|style|CODE|1ojhs|或者类似的模式。去掉它就行了。|9klfv|更新2021-02-28：|3toai|从2020.3开始版本，您还应该在下面的Auto-detect+file+type+by+content文件类型。|9777t|在此答案中使用屏幕截图查看更多信息：WebStorm文件关联系统无法识别文件|fjrfe|这通常发生在创建新文件时，而不是使用您使用的特定文件模板New+%7C+File并且忘记输入文件扩展名(这里需要输入文件扩展名，而不是自动添加文件扩展名的特定文件模板)+--这是为了允许创建具有任何扩展名的任何文件(例如.htaccess或者只是README)。|6im63|由于该文件(testTreeGen在您的情况下)没有扩展名，IDE不知道如何处理它，并将其视为纯文本(但不是自动的--它要求您选择正确的文件类型，并预先选择"text+file“类型，但绝大多数用户只是按enter键，而不是阅读屏幕上显示的内容--“别紧张，我是专业人士，我知道我在做什么”)。|a78lr|现在，由于testTreeGen模式已经存在，它比泛型更大/更精确*.rb或者*.py，文件被视为文本文件，而不考虑文件扩展名--重命名无济于事。|49m9k|结论/建议--多注意确认对话框。^0|0|I|B|0|0|0|K|W|0|I|K|0|0|S|A|30|9|3D|6|0|6|B|0|5|B|X|4|13|4|0^^$0|$1|$2|3|4|5|6|$7|8]]]|9|@$A|B|C|D|2|E|F|14|G|@]|H|@]|6|$]]|$A|I|C|J|2|E|F|15|G|@$K|16|L|17|M|N]]|H|@]|6|$]]|$A|O|C|P|2|E|F|18|G|@]|H|@]|6|$]]|$A|Q|C|R|2|E|F|19|G|@]|H|@]|6|$]]|$A|S|C|T|2|E|F|1A|G|@$K|1B|L|1C|M|N]]|H|@]|6|$]]|$A|U|C|V|2|E|F|1D|G|@]|H|@$K|1E|L|1F|A|1G]]|6|$]]|$A|W|C|X|2|E|F|1H|G|@$K|1I|L|1J|M|N]|$K|1K|L|1L|M|N]|$K|1M|L|1N|M|N]]|H|@]|6|$]]|$A|Y|C|Z|2|E|F|1O|G|@$K|1P|L|1Q|M|N]]|H|@]|6|$]]|$A|10|C|11|2|E|F|1R|G|@$K|1S|L|1T|M|N]|$K|1U|L|1V|M|N]|$K|1W|L|1X|M|N]]|H|@]|6|$]]|$A|12|C|13|2|E|F|1Y|G|@]|H|@]|6|$]]]]

Settings (Preferences on Mac) | Editor | File Types | Text
Check patterns there (bottom list) -- you must have had <code>testTreeGen</code> or similar pattern. Just remove it.
UPDATE 2021-02-28:
Since 2020.3 version you should also check under <code>Auto-detect file type by content</code> file type.
See a bit more / with screenshots in this answer: <a href="https://stackoverflow.com/questions/65700794/webstorm-file-association-system-does-not-recognize-a-file">WebStorm File association system does not recognize a file</a>
<hr />
This usually happens when creating new file and instead of using specific file template you use <code>New | File</code> and forgetting to enter file extension (which is required here as opposed to specific file template which adds file extension automatically) -- this is to allow to create ANY file with any extension (e.g. <code>.htaccess</code> or just <code>README</code>).
Since such file (<code>testTreeGen</code> in your case) does not have extension, IDE does not know how to treat it and treats it as plain text (not automatically though -- it asking you to choose correct file type with &quot;text file&quot; type preselected, but vast majority of users just hitting enter instead of reading what that screen says -- &quot;relax, I'm a professional and I know what I'm doing&quot;).
Now, since the <code>testTreeGen</code> pattern is there and it is bigger/more precise that generic <code>*.rb</code> or <code>*.py</code>, file is treated as Text file regardless of file extension -- renaming will not help.
<hr />
Conclusion / advice -- pay a bit more attention to confirmation dialogs.

entityMap|blocks|key|f1qc7|text|我删除了.idea文件夹中，我使用File->+Invalidate+Chache菜单选项，我删除了__pycache__文件夹。我还尝试将新版本签出到新文件夹中，以及将相关文件复制并粘贴到新文件夹中。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|bqinv|所有的解决方案都不起作用，所以似乎如果你错误地声明了这个文件，它在所有项目中都会被全局注册为这个错误的文件类型。|1b4nj|我刚刚重新安装了PyCharm，删除了所有设置。然而，如果我有更多的自定义插件或设置，我就会开始使用全局pycharm设置而不是项目设置。一种选择可能是删除C:\User\\.PyCharm应该包含配置的文件夹，这会将您的PyCharm重置为出厂设置。显然现在不想重复这个错误。|8tv1c|我的简短版本:文件类型没有保存在项目文件夹中，所以如果你没有找到菜单选项来改变它，去玩保存在上面提到的文件夹中的全局设置。^0|4|5|H|O|1E|B|0|0|26|H|0^^$0|$]|1|@$2|3|4|5|6|7|8|M|9|@$A|N|B|O|C|D]|$A|P|B|Q|C|D]|$A|R|B|S|C|D]]|E|@]|F|$]]|$2|G|4|H|6|7|8|T|9|@]|E|@]|F|$]]|$2|I|4|J|6|7|8|U|9|@$A|V|B|W|C|D]]|E|@]|F|$]]|$2|K|4|L|6|7|8|X|9|@]|E|@]|F|$]]]]

I deleted the the <code>.idea</code> folder, I cleared the cache using the <code>File-&gt; Invalidate Chache</code> menu option, I deleted the <code>__pycache__</code> folders. I also tried to check out a new version into a new folder as well as copy and pasted the relevant files into a new folder. 

None of the solutions worked so it seems that if you declare the file wrongly it is globally registered in all projects as this wrong file type.

I just reinstalled PyCharm deleting all settings. However, if I would have had more custom plugs-ins or settings, I would have started playing with the global pycharm settings rather than the project settings. One option might be deleting the <code>C:\User\&lt;username&gt;\.PyCharm&lt;version&gt;</code> folder which should contain the config, this resetting your PyCharm to factory settings. Obviously do not want to replicate the error now.

My short version: The file type is not saved in the project folder so if you do not find a menu option to change it, go and play with the global settings which are saved in the in the folder mentioned above.

entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/e345f5fae6f61216feb8fe0516c0f43a.png|imageAlt|blocks|key|650c6|text|在Settings+-->Editor+-->+File+Types+-->+Text+-->+Registered+(对话框下方的列表框)+-->删除已添加的文件名(应该是您意外创建为文本文件的文件名)，方法是单击右侧的"-“。申请，你应该把这张超速罚单从你的记录中删除。|unstyled|depth|inlineStyleRanges|entityRanges|5p7b|?|atomic|offset|length|6q460|选择文件类型|ordered-list-item|9mjv0|向下滚动，直到您看到文本|5dh1c|选择文本|ecet0|向下滚动到底部，您应该会看到Pycharm认为是文本的文件|ci45g|命中-选项删除文本关联，然后单击确定|5jgh|当您返回到Project视图时，您应该会看到与您指定的扩展名相关联的文件。^0|0|0|1|0|0|0|0|0|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]]|A|@$B|C|D|E|2|F|G|11|H|@]|I|@]|6|$]]|$B|J|D|K|2|L|G|12|H|@]|I|@$M|13|N|14|B|15]]|6|$]]|$B|O|D|P|2|Q|G|16|H|@]|I|@]|6|$]]|$B|R|D|S|2|Q|G|17|H|@]|I|@]|6|$]]|$B|T|D|U|2|Q|G|18|H|@]|I|@]|6|$]]|$B|V|D|W|2|Q|G|19|H|@]|I|@]|6|$]]|$B|X|D|Y|2|Q|G|1A|H|@]|I|@]|6|$]]|$B|Z|D|10|2|Q|G|1B|H|@]|I|@]|6|$]]]]

Go in the Settings -->Editor --> File Types --> Text --> Registered Patterns (lower list box in the dialog) --> Remove the file name that has been added (Should be the file name you accidentally created as text file) by clicking the "-" right hand side. Apply and you should have this speeding ticket off your record.

<a href="https://i.stack.imgur.com/wiheN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wiheN.png" alt="enter image description here"></a>

<ol>
<li>Select File Types</li>
<li>Scroll down until you see [text]</li>
<li>select [text]</li>
<li>scroll down to the bottom, you should see your file that Pycharm thinks is text</li>
<li>hit the [-] option to remove the text association and hit OK</li>
<li>When you go back to Project view you should see the file associated with the extension you gave it.</li>
</ol>

entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://i.stack.imgur.com/bjg9P.png|1|https://i.stack.imgur.com/wcEfX.png|blocks|key|edk50|text|我想我也遇到了同样的问题，您可能需要查看设置-->编辑器-->文件类型-->按内容自动检测文件类型|unstyled|depth|inlineStyleRanges|entityRanges|bli3u|这就是它可能出错的地方|offset|length|6gfnu|这是可能修复它的地方^0|0|0|B|0|0|0|A|1^^$0|$1|$2|3|4|5|6|$7|8]]|9|$2|3|4|5|6|$7|A]]]|B|@$C|D|E|F|2|G|H|Q|I|@]|J|@]|6|$]]|$C|K|E|L|2|G|H|R|I|@]|J|@$M|S|N|T|C|U]]|6|$]]|$C|O|E|P|2|G|H|V|I|@]|J|@$M|W|N|X|C|Y]]|6|$]]]]

I think I had the same problem and you probably have to look in Settings --&gt;Editor --&gt; File Types --&gt; Auto-detect file type by content
<a href="https://i.stack.imgur.com/bjg9P.png" rel="nofollow noreferrer">This is where it can go wrong</a>
<a href="https://i.stack.imgur.com/wcEfX.png" rel="nofollow noreferrer">This is where to possibly fix it</a>

I created a text file, and renamed it into testTreeGen.py.

<img src="https://i.stack.imgur.com/f5YJy.png" alt="enter image description here">

The problem is that PyCharm does not detect it as a python source so that I can't execute it. 

How can I teach PyCharm that this is python script?
I tried remove the file and recreated it, and created another python file and renamed it; all ends up being the file as text file not Python script. 

The version is 3.0.2.

<img src="https://i.stack.imgur.com/1MfqP.png" alt="enter image description here">

<h2>EDIT</h2>

Refactoring does not working.

<img src="https://i.stack.imgur.com/HFRNr.png" alt="enter image description here">
<img src="https://i.stack.imgur.com/bue0w.png" alt="enter image description here">
<img src="https://i.stack.imgur.com/h0xLO.png" alt="enter image description here">

The file property comes back to text (the original file property that I created before the first refactoring) even after I renamed it as python script. 

The weird thing is that no matter where I create the <code>testTreeGen.py</code>, PyCharm creates it as a text file as if it remembers the name of the file should be text file. I can create python script anything but the <code>testTreeGen.py</code>.

Change file type in PyCharm

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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 我创建了一个文本文件，并将其重命名为testTreeGen.py。 ? 问题是PyCharm没有检测到它是python源代码，所以我不能执行它。 我怎么才能让PyCharm知道这是python脚本呢？我尝试删除该文件并重新创建它，然后创建另一个python文件并重命名它；所有这些最终都是文本文件，而不是Python脚...

问在PyCharm中更改文件类型
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