dbf | pure python dbf reader/writer
kandi X-RAY | dbf Summary
kandi X-RAY | dbf Summary
pure python dbf reader/writer
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Top functions reviewed by kandi - BETA
- Build the header block
- Create a new fieldnames list
- Return count of a field
- Ensure value is a unicode string
- Export a table or table to a CSV file
- Return field info
- Return the source table for a thingie
- Create a new tuple
- Create a DataFrame from a CSV file
- Return a new DateTime object with new values replaced
- Removes nullable fields
- Retrieve CLP timestamp from bytes
- Return a new instance with new time replaced
- Checks memcached memoization
- Retrieve a VFP time from a byte string
- Remove a record from the list
- Put data into memory
- Reset a record
- Convert value to string
- Ensure we have memoization
- Checks the memcached memoization
- Retrieve a logical field
- Go back to the last leaf node
- Iterate over the given table
- Retrieve a numeric value
- Create templates from a table
dbf Key Features
dbf Examples and Code Snippets
Community Discussions
Trending Discussions on dbf
QUESTION
I'm trying use JKS XML signature in Lucee, but when test my code ocurring the follow error
cannot load class through its string name, because no definition for the class with the specified name [java.security.KeyStore.PasswordProtection] could be found caused by (java.lang.ClassNotFoundException:java.security.KeyStore.PasswordProtection;java.lang.ClassNotFoundException:java.security.KeyStore.PasswordProtection;)
Lucee "createObject" function does not imports java.security.KeyStore.PasswordProtection
My code:
...ANSWER
Answered 2022-Mar-24 at 10:26PasswordProtection is an inner class of java.security.KeyStore. To instantiate it in Lucee you need to use a $, so change
QUESTION
I couldn't find any public method in ethanfurman/dbf for writing data to a given file path instead of modifying an existed file. I wanna create a dbf file from a list of tuple and the "field_specs" string.
In this solution the author mentioned dbf.Table.export() but I cannot find it from current version of lib.
...ANSWER
Answered 2022-Feb-23 at 19:54To create a table:
QUESTION
I am working on submitting an R package to CRAN. Right now I am trying to reduce the memory footprint of the package. Because this package deals with spatial data that has a very particular format, I want to include a properly formatted shapefile as an example. If I include the full-size original shapefile, there are no warnings (other than file size) in the R CMD checks. However, if I crop the file and include the cropped version in the package (in "inst/extdata") I get this warning:
...ANSWER
Answered 2022-Feb-11 at 23:59This is a known issue[1] where file will mis-identify DBF files with last-update date in the year 2022. Easiest fix is to not use a 2022 update date when saving the file. Alternatively you can simply change the second byte of the file after the fact, e.g.:
QUESTION
i like to query/filter some data with multiple value using sql query. but i got nothing from it. here is my code.
...ANSWER
Answered 2021-Dec-24 at 08:49dinerc seems to be a list of rev_centers so you may need to use IN instead of = , try this:
QUESTION
I'm attempting to work with the Canadian radio station DBF files made public here: https://sms-sgs.ic.gc.ca/eic/site/sms-sgs-prod.nsf/eng/h_00015.html
I'd like to read specifically the fmstatio.dbf file into a Pandas DataFrame. I've tried the two commonly recommended DBF packages in Python.
When using simpledbf (https://pypi.org/project/simpledbf/), I only get the column names when using the dbf.to_dataframe() function.
I also tried dbf on pypi (https://pypi.org/project/dbf/). I'm able to read the DBF file into a table:
...ANSWER
Answered 2021-Dec-13 at 02:48The table says it is "plain old ascii", but it lies. It contains "e with acute accent", which is not surprising given the French content in Canadian databases. To work around this, you need to override the codepage:
QUESTION
I created a script to find all 'pyodbc' drivers:
...ANSWER
Answered 2021-Nov-24 at 20:39What the best way to install "Microsoft Access Driver (*.mdb, *.accdb)" in this [Alpine Linux] Docker image?
You can't. Microsoft only provides "Microsoft Access Driver (*.mdb, *.accdb)" for the Windows platform (unlike their ODBC driver for SQL Server which is available for Windows, Linux, and Mac).
Some alternatives are discussed here:
Working with an Access database in Python on non-Windows platform (Linux or Mac)
QUESTION
I'm trying to rename a finder item called "Invoice Template.pdf" when it is added to my folder with Automator. However, every time the script runs, I get Finder got an error: Can’t set file "Invoice Template.pdf" to "Invoice 11.08.2021.pdf". Any ideas why?
...ANSWER
Answered 2021-Nov-11 at 07:16set dateObj to (current date)
set theMonth to text -1 thru -2 of ("0" & (month of dateObj as number))
set theDay to text -1 thru -2 of ("0" & day of dateObj)
set theYear to year of dateObj
set dateStamp to "" & theMonth & "." & theDay & "." & theYear
set theFileHFS to (choose file of type "com.adobe.pdf") as text
set theName to "Invoice"
tell application "Finder"
set the name of file theFileHFS to theName & " " & dateStamp & ".pdf"
end tell
QUESTION
I am using the python library, dbf, by Ethan Furman to convert a number of dbf files to csv. It works extremely well for that. I would like to further edit some of the fields during the conversion process but am unsure how to do it. Specifically, I would like to replace string fields that contain only 1 or more blanks with empty strings, (eg. " " replace with "") and date fields that contain "00000000" with empty strings "". I would very much appreciate it if someone could describe how to edit the fields and write out the updated records during the conversion process. Obviously, I could write a simple secondary script to edit the csv files output during conversion but I would like to do it all in one step if possible. Here is the code I am using to convert the files:
...ANSWER
Answered 2021-Oct-24 at 20:15By default, when using a dbf table the data types returned are simple -- i.e. int, str, bool, datetime.datetime, etc. But you can make your own data types and have those used instead by specifying them in the default_data_types parameter:
QUESTION
I'm trying to save certain values from one big array to the postman environment to compare these to the values of another postman request.
This is the response code, it's one big array. I want to save all the values of metersToNextBollard as an environment variable with a loop.
...ANSWER
Answered 2021-Sep-07 at 10:43I assume these envirement variables should be unique and looking at the docs I can see that number returns the "DDE-59" value. Looking at your API JSON data, it seems each value is unique and after the number is just pasted "MCA Afstand".
If this is all true, you could create a for loop for your data as following:
QUESTION
I keep getting the same error while creating a database. It seems like something is wrong with the syntax. Here is how I create it:
...ANSWER
Answered 2021-Sep-28 at 18:59I think you have a problem here:
GROUP 4 ('/u01/zdw07/logs/redo04a.log’) SIZE 10M
The closing quote is ’ when it should be '
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install dbf
You can use dbf like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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