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  • importing CSV to SQLite as library · 2 ✖
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549432592 https://github.com/simonw/sqlite-utils/issues/61#issuecomment-549432592 https://api.github.com/repos/simonw/sqlite-utils/issues/61 MDEyOklzc3VlQ29tbWVudDU0OTQzMjU5Mg== simonw 9599 2019-11-04T16:25:01Z 2019-11-04T16:25:01Z OWNER

Yeah I've thought about this a bit and I'm OK leaving it out.

The core idea of sqlite-utils is that if you can create a list, iterator or generator of Python dictionaries you can efficiently insert those into a SQLite table.

The --csv function is actually implemented as just a few lines of code which turn that incoming CSV into a generator of dictionaries:

https://github.com/simonw/sqlite-utils/blob/169ea455fc1f1d5e5b6e44cb339ba7ffa9d49c31/sqlite_utils/cli.py#L364-L368

I could turn this into a reusable helper function but since it wouldn't have anything to do with database inserts (it would just be a helper that turns a CSV into a generator of dictionaries) it doesn't feel like it fits well in the Python library section of this package.

 
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 importing CSV to SQLite as library 491219910  
533818697 https://github.com/simonw/sqlite-utils/issues/61#issuecomment-533818697 https://api.github.com/repos/simonw/sqlite-utils/issues/61 MDEyOklzc3VlQ29tbWVudDUzMzgxODY5Nw== amjith 49260 2019-09-21T18:09:01Z 2019-09-21T18:09:28Z CONTRIBUTOR

@witeshadow The library version doesn't have helpers around CSV (at least not from what I can see in the code).

But here's a snippet that makes it easy to insert from CSV using the library.

``` import csv from sqlite_utils import Database

CSV Reader

csv_file = open("filename.csv") # open the csv file. reader = csv.reader(csv_file) # Create a CSV reader headers = next(reader) # First line is the header docs = (dict(zip(headers, row)) for row in reader)

Now you can use the sqlite_utils library.

db = Database("my_database.db") db["table_name"].insert_all(docs) ```

This snippet is adapted from reading the CLI source code on how it implements the csv option.

 
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 importing CSV to SQLite as library 491219910  

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