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https://github.com/Danamir/imap-attachment-extractor

IMAP attachment exporter, with optional Thunderbird detach mode
https://github.com/Danamir/imap-attachment-extractor

attachment attachment-extractor imap imap-client thunderbird

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IMAP attachment exporter, with optional Thunderbird detach mode

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README 

        
# imap-attachment-extractor

IMAP attachment extractor, with optional Thunderbird detach mode.



#### Prequisites



- Python 3.x

- Use keyring to store password on the system (_Optional_)



#### Installation



##### Installation from release :



 - Download and extract the latest [release](https://github.com/Danamir/imap-attachment-extractor/releases).

 - Open a terminal to the extracted directory.



##### Installation from sources :



```bash

$ curl --location https://github.com/Danamir/imap-attachment-extractor/archive/master.zip --output imap-attachment-extractor-master.zip

$ unzip imap-attachment-extractor-master.zip

$ mv imap-attachment-extractor-master/ imap-attachment-extractor/

$ cd imap-attachment-extractor

```



##### Setup :



Configure Python virtual environment :

```bash

$ python -m venv .env

$ . .env/bin/activate  # on Linux 

-or-

$ .env/Script/activate.bat  # on Windows

```



Install :

```bash

$ python setup.py develop

$ imap_aex --help

-or-

$ python imap_aex.py --help

```



Use configuration file _(optional but recommended)_ :

```bash

$ cp config.ini-dist config.ini  # on Windows use 'copy' instead of 'cp'

```



#### Running



You can use `imap_aex` either only with the CLI, or with the configuration file, or a combination of the two.

When using both, the command line will override the options found in the configuration file.



The only mandatory arguments are `HOST` and `USER` (or `[imap]` section `host` and `user` in the configuration file).



_First run with configuration file_ :  

By default the configuration template is in `dry-run` mode. You can force the execution in CLI with the `--run`

option, or comment the `dry-run=yes` configuration line.



##### Password handling



You can use `keyring` to store a password with the system secured library. Supported on Linux / Windows / MacOS :

```bash

$ keyring set imap_aex: 

```



Or you can prompt the user for password on run with the `--password` option.



##### Mozilla Thunderbird 'detach' mode



It is recommended to use the `--thunderbird` option if you use Mozilla Thunderbird. The extractor will then use the

extended message headers `X-Mozilla-External-Attachment-URL` and `X-Mozilla-Altered` to link to the local extracted

file inside the modified message. This simulates the use of _Detach_ action on an attachment in Mozilla Thunderbird.



##### Running options



Please refer to the CLI documentation. The configuration entries have the same name as the CLI options, but are

placed in specific section.



_CLI only options (those options are not in the configuration file):_

 - `--conf=` : Use a specific configuration file, otherwise use `config.ini`. Can be used to configure multiple

                  hosts, each with its own configuration file.

 - `--help` : Display the CLI help, then exit.

 - `--list` : List the server folders and corresponding extraction paths, then exit.

 - `--run` : Force running, even if `dry-run` found in configuration file.

 

##### CLI documentation

```

IMAP Attachment extractor.



Works on IMAP SSL server by replacing an email after extracting the attachments.

Use keyring tool to store password. Initialize with 'keyring set imap_aex: '.



Usage: imap_aex [--help] [--verbose] [--debug] [--extract-dir=] [--extract-only] [--folder=] [--date=] [options] [HOST] [USER]



Arguments:

  HOST                      IMAP host name.

  USER                      IMAP user name.



Options:

     --all                  Fetch all mail from the folder. Not recommended, prefer '--date' use.

  -c --conf=             Optional configuration file, containing any of the command line options values. [Default: config.ini]

  -d --date=             Date defininition, formatted as [<>]date[to][date]. Date can be y, y-m, or y-m-d.

                              - 2012-12-21 : on this day

                              - 2012-12 : on this month

                              - 2012 : on this year

                              - >2012 : since this year

                              - <2012-12-21 : before this day

                              - 2012-04 to 2012-10 : between those months



     --dry-run              Dump running information and leave the server intact.

     --debug                Debug mode: append modified messages to the server, but don't delete the source message.

     --dir-reg=          Replace Regular expression to be applied before creating directories.

                            Optional replacement separated by ">>", otherwise delete the match.

                            Multiple expressions separated by "::".

                              - ^INBOX\/?                   Remove "INBOX" and "INBOX/" from subdirectory.

                              - ^INBOX$>>Inbox::INBOX\/     Replace "INBOX" by "Inbox", and ignore it as subdirectory.

                              - ^\[Gmail\]\/?               Remove "[Gmail]" and "[Gmail]/" from subdirectory.

                              - ^Drafts$>>Brouillons        Replace by translation.



  -e --extract-dir=      Extract attachment to this directory. [Default: ./]

     --extract-only         Don't detach attachments, extract only.

     --flagged=          Flagged/starred mail behaviour: [Default: skip]

                              - detach:     detach as a normal mail.

                              - extract:    extract only, leave message intact.

                              - skip:       don't extract, leave message intact.

  -f --folder=           Mail folder. [Default: INBOX]



     --help                 Display this help message then exit.

     --inline-images        Handle inline images as attachments.

     --list                 List the server folders then exit.

     --max-size=         Extract attachments bigger than this size. [Default: 100K]

     --no-subdir            Don't create folder subdirectories inside extract dir.

     --password             Prompt for password instead of looking in the keyring.

  -p --port=
             IMAP host SSL port. [Default: 993]

     --run                  Force running, even if dry-run found in config file.

     --thunderbird          Implements thunderbird detach mode, pointing to the extracted file local URL.

  -v --verbose              Display more information.

```