Synapse files can be created by uploading content from your local computer or linking to digital files on the web.

Files in Synapse always have a “parent”, which could be a project or a folder. You can organize collections of files into folders and sub-folders, just as you would on your local computer.

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Note: You may optionally follow the Uploading data in bulk tutorial instead. The bulk tutorial may fit your needs better as it limits the amount of code that you are required to write and maintain.

This tutorial will follow a Flattened Data Layout. With this example layout:

.
├── biospecimen_experiment_1
│   ├── fileA.txt
│   └── fileB.txt
├── biospecimen_experiment_2
│   ├── fileC.txt
│   └── fileD.txt
├── single_cell_RNAseq_batch_1
│   ├── SRR12345678_R1.fastq.gz
│   └── SRR12345678_R2.fastq.gz
└── single_cell_RNAseq_batch_2
    ├── SRR12345678_R1.fastq.gz
    └── SRR12345678_R2.fastq.gz

In this tutorial you will:

1. Upload several files to Synapse
2. Print stored attributes about your files
3. List all Folders and Files within my project

• Make sure that you have completed the Folder tutorial.
• The tutorial assumes you have a number of files ready to upload. If you do not, create test or dummy files. You may also use these dummy files used during the creation of these tutorials. These are text files with example file extensions that a researcher may be using.

{!docs/tutorials/python/tutorial_scripts/file.py!lines=5-30}

{!docs/tutorials/python/tutorial_scripts/file.py!lines=32-75}

{!docs/tutorials/python/tutorial_scripts/file.py!lines=77-85}

##################################################
 Uploading file to Synapse storage
##################################################

Uploading [####################]100.00%   2.0bytes/2.0bytes (1.8bytes/s) SRR12345678_R1.fastq.gz Done...

{!docs/tutorials/python/tutorial_scripts/file.py!lines=87-99}

Now that your project has a number of Folders and Files let's explore how we can traverse the content stored within the Project.

{!docs/tutorials/python/tutorial_scripts/file.py!lines=101-111}

Now that you have created your files you'll be able to inspect this on the Files tab of your project in the synapse web UI. It should look similar to:

{!docs/tutorials/python/tutorial_scripts/file.py!}

• [File][synapseclient.File]
• [syn.login][synapseclient.Synapse.login]
• [syn.findEntityId][synapseclient.Synapse.findEntityId]
• [syn.store][synapseclient.Synapse.store]
• [synapseutils.walk][]